More regression test output tuning.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@10509

diff --git a/drd/tests/atomic_var.stderr.exp b/drd/tests/atomic_var.stderr.exp
index ddeadf2d45c2d1165956a49158de572840e4c681..fe09faec27f4db732b58021c6118d198b11b5fdf 100644 (file)
--- a/drd/tests/atomic_var.stderr.exp
+++ b/drd/tests/atomic_var.stderr.exp
@@ -3,8 +3,6 @@ Start of test.
 Conflicting load by thread x at 0x........ size 4
    at 0x........: thread_func_2 (atomic_var.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Location 0x........ is 0 bytes inside local var "s_y"
 declared at atomic_var.c:35, in frame #? of thread x
 y = 1

diff --git a/drd/tests/atomic_var.vgtest b/drd/tests/atomic_var.vgtest
index 5b6fdd6c1711f783068dad6085cbf28d1f683ed2..26dc1e5bde1f4afdb1c03b75e28313b4475db197 100644 (file)
--- a/drd/tests/atomic_var.vgtest
+++ b/drd/tests/atomic_var.vgtest
@@ -1,4 +1,4 @@
 prereq: test -e atomic_var && ./supported_libpthread
-vgopts: --var-info=yes --auto-run-dsymutil=yes --check-stack-var=yes --show-confl-seg=no
+vgopts: --var-info=yes --auto-run-dsymutil=yes --check-stack-var=yes --show-confl-seg=no --num-callers=2
 prog: atomic_var
 stderr_filter: filter_stderr_and_thread_no

diff --git a/drd/tests/hg04_race.stderr.exp b/drd/tests/hg04_race.stderr.exp
index 399cc1e8a970c11705bbc7968fd339a57e57353d..e8026a8098d345a8a7e99b6b01026e7a4b80c010 100644 (file)
--- a/drd/tests/hg04_race.stderr.exp
+++ b/drd/tests/hg04_race.stderr.exp
@@ -3,8 +3,6 @@ Thread 3:
 Conflicting load by thread 3 at 0x........ size 4
    at 0x........: th (hg04_race.c:10)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Location 0x........ is 0 bytes inside local var "shared"
 declared at hg04_race.c:6, in frame #? of thread 2
 Other segment start (thread 2)
@@ -15,8 +13,6 @@ Other segment end (thread 2)
 Conflicting store by thread 3 at 0x........ size 4
    at 0x........: th (hg04_race.c:10)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Location 0x........ is 0 bytes inside local var "shared"
 declared at hg04_race.c:6, in frame #? of thread 2
 Other segment start (thread 2)

diff --git a/drd/tests/hg04_race.vgtest b/drd/tests/hg04_race.vgtest
index 38690dc82e04d06c840bd865f3a599d079944cdd..073e468697afe20d3af2bfcc3b657dcf5287f556 100644 (file)
--- a/drd/tests/hg04_race.vgtest
+++ b/drd/tests/hg04_race.vgtest
@@ -1,3 +1,3 @@
 prereq: ./supported_libpthread
-vgopts: --var-info=yes --auto-run-dsymutil=yes
+vgopts: --var-info=yes --auto-run-dsymutil=yes --num-callers=2
 prog: ../../helgrind/tests/hg04_race

diff --git a/drd/tests/hg05_race2.stderr.exp b/drd/tests/hg05_race2.stderr.exp
index 278ac28869e7ef63a783c50cc74fa37ee6c4bfed..ade6e5a78e812a55af04f1c0d961b558006450c2 100644 (file)
--- a/drd/tests/hg05_race2.stderr.exp
+++ b/drd/tests/hg05_race2.stderr.exp
@@ -3,8 +3,6 @@ Thread 3:
 Conflicting load by thread 3 at 0x........ size 4
    at 0x........: th (hg05_race2.c:17)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Location 0x........ is 0 bytes inside foo.poot[5].plop[11],
 declared at hg05_race2.c:24, in frame #? of thread 1
 Other segment start (thread 2)
@@ -15,8 +13,6 @@ Other segment end (thread 2)
 Conflicting store by thread 3 at 0x........ size 4
    at 0x........: th (hg05_race2.c:17)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Location 0x........ is 0 bytes inside foo.poot[5].plop[11],
 declared at hg05_race2.c:24, in frame #? of thread 1
 Other segment start (thread 2)

diff --git a/drd/tests/hg05_race2.stderr.exp-powerpc b/drd/tests/hg05_race2.stderr.exp-powerpc
index dbdae48ce8183a5b492efdce6e163d1a6b6520d6..ab5b31a07c62b9bff7a2d4f33f7d5b81fc1bb049 100644 (file)
--- a/drd/tests/hg05_race2.stderr.exp-powerpc
+++ b/drd/tests/hg05_race2.stderr.exp-powerpc
@@ -3,8 +3,6 @@ Thread 3:
 Conflicting load by thread 3 at 0x........ size 4
    at 0x........: th (hg05_race2.c:17)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Allocation context: unknown.
 Other segment start (thread 2)
    (thread finished, call stack no longer available)
@@ -14,8 +12,6 @@ Other segment end (thread 2)
 Conflicting store by thread 3 at 0x........ size 4
    at 0x........: th (hg05_race2.c:17)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Allocation context: unknown.
 Other segment start (thread 2)
    (thread finished, call stack no longer available)

diff --git a/drd/tests/hg05_race2.vgtest b/drd/tests/hg05_race2.vgtest
index c47d088069dcf3f39446a3cc7504a4025727db5d..2a8a297dc5954fb0907f80ede4b3d86df74e1dc9 100644 (file)
--- a/drd/tests/hg05_race2.vgtest
+++ b/drd/tests/hg05_race2.vgtest
@@ -1,3 +1,3 @@
 prereq: ./supported_libpthread
-vgopts: --var-info=yes --auto-run-dsymutil=yes --check-stack-var=yes
+vgopts: --var-info=yes --auto-run-dsymutil=yes --check-stack-var=yes --num-callers=2
 prog: ../../helgrind/tests/hg05_race2

diff --git a/drd/tests/pth_barrier_race.stderr.exp b/drd/tests/pth_barrier_race.stderr.exp
index 33088ce0d647eb25e87f8814f9eeeb9af29ea444..6fe7eb21a35e2f91fdb17e4965c1736805bd482c 100644 (file)
--- a/drd/tests/pth_barrier_race.stderr.exp
+++ b/drd/tests/pth_barrier_race.stderr.exp
@@ -6,8 +6,6 @@ Conflicting wait call by thread 2:
    at 0x........: pthread_barrier_wait (drd_pthread_intercepts.c:?)
    by 0x........: thread (pth_barrier_race.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 barrier 0x........ was first observed at:
    at 0x........: pthread_barrier_init (drd_pthread_intercepts.c:?)
    by 0x........: main (pth_barrier_race.c:?)

diff --git a/drd/tests/pth_barrier_race.vgtest b/drd/tests/pth_barrier_race.vgtest
index 1f0e7ee84bb122c0dcc8df785361f8c47f35a2c6..a08cdb5be77b0a8d9ac8842de0409bf99c68790e 100644 (file)
--- a/drd/tests/pth_barrier_race.vgtest
+++ b/drd/tests/pth_barrier_race.vgtest
@@ -1,2 +1,3 @@
 prereq: test -e pth_barrier_race && ./supported_libpthread
+vgopts: --num-callers=3
 prog: pth_barrier_race

diff --git a/drd/tests/pth_cond_race.stderr.exp b/drd/tests/pth_cond_race.stderr.exp
index a4743f9130bd00ce7973fac84196a919259414dd..815f508cc00f57569ba8f703e22e31cc809aefca 100644 (file)
--- a/drd/tests/pth_cond_race.stderr.exp
+++ b/drd/tests/pth_cond_race.stderr.exp
@@ -4,8 +4,6 @@ Probably a race condition: condition variable 0x........ has been signaled but t
    at 0x........: pthread_cond_signal* (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (pth_cond_race.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 cond 0x........ was first observed at:
    at 0x........: pthread_cond_init* (drd_pthread_intercepts.c:?)
    by 0x........: main (pth_cond_race.c:?)

diff --git a/drd/tests/pth_cond_race.vgtest b/drd/tests/pth_cond_race.vgtest
index bf4e576bee64ae11d10bc6c9adc3a34d9d36c949..201ec98d8c5a5796d32dfdb40d02b5eb8e2b66d9 100644 (file)
--- a/drd/tests/pth_cond_race.vgtest
+++ b/drd/tests/pth_cond_race.vgtest
@@ -1,2 +1,3 @@
 prereq: ./supported_libpthread
+vgopts: --num-callers=3
 prog: pth_cond_race

diff --git a/drd/tests/pth_inconsistent_cond_wait.stderr.exp1 b/drd/tests/pth_inconsistent_cond_wait.stderr.exp1
index ab65a361b093c29ef21e801b356921625cb7581e..092585eef6da22d35c6ec4b5ef5b670de92e87c1 100644 (file)
--- a/drd/tests/pth_inconsistent_cond_wait.stderr.exp1
+++ b/drd/tests/pth_inconsistent_cond_wait.stderr.exp1
@@ -4,8 +4,6 @@ Inconsistent association of condition variable and mutex: condition variable 0x.
    at 0x........: pthread_cond_timedwait* (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (pth_inconsistent_cond_wait.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 cond 0x........ was first observed at:
    at 0x........: pthread_cond_init* (drd_pthread_intercepts.c:?)
    by 0x........: main (pth_inconsistent_cond_wait.c:?)

diff --git a/drd/tests/pth_inconsistent_cond_wait.stderr.exp2 b/drd/tests/pth_inconsistent_cond_wait.stderr.exp2
index 7ec0471f9e950e6d17d79329386f41c741ca8260..98e4c4e649e70a38de74ecfeb59d96cdc3070ce9 100644 (file)
--- a/drd/tests/pth_inconsistent_cond_wait.stderr.exp2
+++ b/drd/tests/pth_inconsistent_cond_wait.stderr.exp2
@@ -4,8 +4,6 @@ Inconsistent association of condition variable and mutex: condition variable 0x.
    at 0x........: pthread_cond_timedwait* (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (pth_inconsistent_cond_wait.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 cond 0x........ was first observed at:
    at 0x........: pthread_cond_init* (drd_pthread_intercepts.c:?)
    by 0x........: main (pth_inconsistent_cond_wait.c:?)

diff --git a/drd/tests/pth_inconsistent_cond_wait.vgtest b/drd/tests/pth_inconsistent_cond_wait.vgtest
index 556b2f27c2156cad3e09f5d0d6e46c554c2c43b8..effa9db5dfe7d200249edb2467724b359e59481c 100644 (file)
--- a/drd/tests/pth_inconsistent_cond_wait.vgtest
+++ b/drd/tests/pth_inconsistent_cond_wait.vgtest
@@ -1,2 +1,3 @@
 prereq: ./supported_libpthread
+vgopts: --num-callers=3
 prog: pth_inconsistent_cond_wait

diff --git a/drd/tests/rwlock_race.stderr.exp b/drd/tests/rwlock_race.stderr.exp
index 726c529e8a50c6ae9451d1306b1a7ec36bf8c755..db3ccefb76400521caf4cff7247a113d735d17a1 100644 (file)
--- a/drd/tests/rwlock_race.stderr.exp
+++ b/drd/tests/rwlock_race.stderr.exp
@@ -3,42 +3,14 @@ Thread 3:
 Conflicting load by thread 3 at 0x........ size 4
    at 0x........: thread_func (rwlock_race.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Location 0x........ is 0 bytes inside local var "s_racy"
 declared at rwlock_race.c:18, in frame #? of thread 3
-Other segment start (thread 2)
-   at 0x........: pthread_rwlock_rdlock* (drd_pthread_intercepts.c:?)
-   by 0x........: thread_func (rwlock_race.c:?)
-   by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
-Other segment end (thread 2)
-   at 0x........: pthread_rwlock_unlock* (drd_pthread_intercepts.c:?)
-   by 0x........: thread_func (rwlock_race.c:?)
-   by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 
 Conflicting store by thread 3 at 0x........ size 4
    at 0x........: thread_func (rwlock_race.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Location 0x........ is 0 bytes inside local var "s_racy"
 declared at rwlock_race.c:18, in frame #? of thread 3
-Other segment start (thread 2)
-   at 0x........: pthread_rwlock_rdlock* (drd_pthread_intercepts.c:?)
-   by 0x........: thread_func (rwlock_race.c:?)
-   by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
-Other segment end (thread 2)
-   at 0x........: pthread_rwlock_unlock* (drd_pthread_intercepts.c:?)
-   by 0x........: thread_func (rwlock_race.c:?)
-   by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Result: 2
 
 ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)

diff --git a/drd/tests/rwlock_race.stderr.exp2 b/drd/tests/rwlock_race.stderr.exp2
index cc30076feb7290076530584d5a41f17293780338..7cd63b95d0572739395a0e67720ce7687b304f12 100644 (file)
--- a/drd/tests/rwlock_race.stderr.exp2
+++ b/drd/tests/rwlock_race.stderr.exp2
@@ -3,26 +3,14 @@ Thread 3:
 Conflicting load by thread 3 at 0x........ size 4
    at 0x........: thread (rwlock_race.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Location 0x........ is 0 bytes inside local var "s_racy"
 declared at rwlock_race.c:17, in frame #? of thread 3
-Other segment start (thread 2)
-   (thread finished, call stack no longer available)
-Other segment end (thread 2)
-   (thread finished, call stack no longer available)
 
 Conflicting store by thread 3 at 0x........ size 4
    at 0x........: thread (rwlock_race.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Location 0x........ is 0 bytes inside local var "s_racy"
 declared at rwlock_race.c:17, in frame #? of thread 3
-Other segment start (thread 2)
-   (thread finished, call stack no longer available)
-Other segment end (thread 2)
-   (thread finished, call stack no longer available)
 Result: 2
 
 ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)

diff --git a/drd/tests/rwlock_race.vgtest b/drd/tests/rwlock_race.vgtest
index 8aba2b9c3d18c60a570120a9fff1c86df87d8e7d..3dc5b3b21efa2cea702d5493ffef6fce1b7afe88 100644 (file)
--- a/drd/tests/rwlock_race.vgtest
+++ b/drd/tests/rwlock_race.vgtest
@@ -1,3 +1,3 @@
 prereq: ./supported_libpthread
-vgopts: --var-info=yes --auto-run-dsymutil=yes
+vgopts: --show-confl-seg=no --var-info=yes --auto-run-dsymutil=yes --num-callers=2
 prog: rwlock_race

diff --git a/drd/tests/tc09_bad_unlock.stderr.exp b/drd/tests/tc09_bad_unlock.stderr.exp
index f78b25f56d5f2265d4347ee210c4ae7d7c000239..870958f64c81dfbacb957d89cbdf5b1df0c001ec 100644 (file)
--- a/drd/tests/tc09_bad_unlock.stderr.exp
+++ b/drd/tests/tc09_bad_unlock.stderr.exp
@@ -13,8 +13,6 @@ Mutex not locked by calling thread: mutex 0x........, recursion count 1, owner 1
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: child_fn (tc09_bad_unlock.c:11)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 mutex 0x........ was first observed at:
    at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
    by 0x........: nearly_main (tc09_bad_unlock.c:31)
@@ -49,8 +47,6 @@ Mutex not locked by calling thread: mutex 0x........, recursion count 1, owner 1
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: child_fn (tc09_bad_unlock.c:11)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 mutex 0x........ was first observed at:
    at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
    by 0x........: nearly_main (tc09_bad_unlock.c:31)

diff --git a/drd/tests/tc09_bad_unlock.stderr.exp-glibc2.8 b/drd/tests/tc09_bad_unlock.stderr.exp-glibc2.8
index 93e58a5dfeccb9b85f0076bbf07feda88b3bc87b..8aeeb0cce3970cd5037cb7fac0d94ef1a301cd95 100644 (file)
--- a/drd/tests/tc09_bad_unlock.stderr.exp-glibc2.8
+++ b/drd/tests/tc09_bad_unlock.stderr.exp-glibc2.8
@@ -13,8 +13,6 @@ Mutex not locked by calling thread: mutex 0x........, recursion count 1, owner 1
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: child_fn (tc09_bad_unlock.c:11)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 mutex 0x........ was first observed at:
    at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
    by 0x........: nearly_main (tc09_bad_unlock.c:31)
@@ -49,8 +47,6 @@ Mutex not locked by calling thread: mutex 0x........, recursion count 1, owner 1
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: child_fn (tc09_bad_unlock.c:11)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 mutex 0x........ was first observed at:
    at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
    by 0x........: nearly_main (tc09_bad_unlock.c:31)

diff --git a/drd/tests/tc09_bad_unlock.vgtest b/drd/tests/tc09_bad_unlock.vgtest
index 6956620ca00d74d9a88baa5f0e184b1f65afbe45..abd97fa421eff64dcc7191d616480c34ded9882f 100644 (file)
--- a/drd/tests/tc09_bad_unlock.vgtest
+++ b/drd/tests/tc09_bad_unlock.vgtest
@@ -1,3 +1,3 @@
 prereq: ./supported_libpthread
-vgopts: --check-stack-var=yes
+vgopts: --check-stack-var=yes --num-callers=3
 prog: ../../helgrind/tests/tc09_bad_unlock

diff --git a/drd/tests/tc19_shadowmem.stderr.exp-32bit b/drd/tests/tc19_shadowmem.stderr.exp-32bit
index da05966de14f170b62c08bb702545c480e25bbee..9a5889776b7ba15d6230d15b2a9b357f33167c6e 100644 (file)
--- a/drd/tests/tc19_shadowmem.stderr.exp-32bit
+++ b/drd/tests/tc19_shadowmem.stderr.exp-32bit
@@ -9,8 +9,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:288)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 0 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -20,8 +18,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:290)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 1 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -31,8 +27,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:292)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 2 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -42,8 +36,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:294)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 3 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -53,8 +45,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:296)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 4 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -64,8 +54,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:298)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 5 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -75,8 +63,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:300)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 6 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -86,8 +72,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:302)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 7 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -97,8 +81,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:304)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 8 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -108,8 +90,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:306)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 9 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -119,8 +99,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:308)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 10 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -130,8 +108,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:310)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 11 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -141,8 +117,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:312)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 12 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -152,8 +126,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:314)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 13 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -163,8 +135,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:316)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 14 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -174,8 +144,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:318)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 15 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -185,8 +153,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:320)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 16 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -196,8 +162,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:322)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 17 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -207,8 +171,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:324)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 18 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -218,8 +180,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:326)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 19 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -229,8 +189,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:328)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 20 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -240,8 +198,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:330)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 21 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -251,8 +207,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:332)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 22 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -262,8 +216,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:334)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 23 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -273,8 +225,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:336)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 24 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -284,8 +234,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:338)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 25 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -295,8 +243,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:340)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 26 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -306,8 +252,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:342)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 27 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -317,8 +261,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:344)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 28 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -328,8 +270,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:346)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 29 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -339,8 +279,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:348)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 30 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -350,8 +288,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:350)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 31 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -361,8 +297,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:352)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 32 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -372,8 +306,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:354)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 33 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -383,8 +315,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:356)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 34 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -394,8 +324,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:358)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 35 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -405,8 +333,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:360)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 36 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -416,8 +342,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:362)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 37 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -427,8 +351,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:364)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 38 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -438,8 +360,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:366)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 39 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -449,8 +369,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:368)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 40 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -460,8 +378,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:370)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 41 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -471,8 +387,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:372)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 42 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -482,8 +396,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:374)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 43 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -493,8 +405,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:376)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 44 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -504,8 +414,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:378)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 45 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -515,8 +423,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:380)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 46 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -526,8 +432,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:382)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 47 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -537,8 +441,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:384)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 48 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -548,8 +450,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:386)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 49 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -559,8 +459,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:388)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 50 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -570,8 +468,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:390)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 51 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -581,8 +477,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:392)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 52 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -592,8 +486,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:394)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 53 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -603,8 +495,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:396)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 54 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -614,8 +504,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:398)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 55 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -625,8 +513,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:400)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 56 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -636,8 +522,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:402)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 57 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -647,8 +531,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:404)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 58 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -658,8 +540,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:406)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 59 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -669,8 +549,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:408)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 60 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -680,8 +558,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:410)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 61 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -691,8 +567,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:412)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 62 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -702,8 +576,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:414)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 63 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -713,8 +585,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:416)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 64 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -724,8 +594,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:418)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 65 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -735,8 +603,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:420)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 66 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -746,8 +612,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:422)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 67 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -757,8 +621,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:424)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 68 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -768,8 +630,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:426)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 69 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -779,8 +639,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:428)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 70 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -790,8 +648,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:430)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 71 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -801,8 +657,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:432)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 72 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -812,8 +666,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:434)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 73 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -823,8 +675,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:436)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 74 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -834,8 +684,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:438)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 75 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -845,8 +693,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:440)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 76 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -856,8 +702,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:442)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 77 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -867,8 +711,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:444)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 78 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -878,8 +720,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:446)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 79 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -889,8 +729,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:448)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 80 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -900,8 +738,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:450)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 81 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -911,8 +747,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:452)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 82 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -922,8 +756,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:454)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 83 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -933,8 +765,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:456)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 84 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -944,8 +774,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:458)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 85 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -955,8 +783,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:460)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 86 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -966,8 +792,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:462)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 87 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -977,8 +801,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:464)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 88 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -988,8 +810,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:466)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 89 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -999,8 +819,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:468)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 90 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1010,8 +828,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:470)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 91 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1021,8 +837,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:472)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 92 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1032,8 +846,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:474)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 93 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1043,8 +855,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:476)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 94 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1054,8 +864,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:478)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 95 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1065,8 +873,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:480)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 96 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1076,8 +882,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:482)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 97 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1087,8 +891,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:484)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 98 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1103,8 +905,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:288)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 0 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1117,8 +917,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:290)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 1 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1128,8 +926,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:292)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 2 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1139,8 +935,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:294)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 3 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1150,8 +944,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:296)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 4 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1161,8 +953,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:298)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 5 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1172,8 +962,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:300)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 6 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1183,8 +971,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:302)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 7 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1194,8 +980,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:304)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 8 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1205,8 +989,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:306)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 9 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1216,8 +998,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:308)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 10 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1227,8 +1007,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:310)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 11 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1238,8 +1016,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:312)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 12 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1249,8 +1025,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:314)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 13 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1260,8 +1034,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:316)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 14 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1271,8 +1043,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:318)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 15 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1282,8 +1052,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:320)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 16 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1293,8 +1061,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:322)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 17 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1304,8 +1070,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:324)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 18 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1315,8 +1079,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:326)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 19 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1326,8 +1088,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:328)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 20 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1337,8 +1097,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:330)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 21 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1348,8 +1106,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:332)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 22 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1359,8 +1115,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:334)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 23 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1370,8 +1124,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:336)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 24 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1381,8 +1133,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:338)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 25 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1392,8 +1142,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:340)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 26 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1403,8 +1151,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:342)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 27 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1414,8 +1160,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:344)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 28 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1425,8 +1169,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:346)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 29 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1436,8 +1178,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:348)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 30 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1447,8 +1187,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:350)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 31 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1458,8 +1196,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:352)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 32 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1469,8 +1205,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:354)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 33 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1480,8 +1214,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:356)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 34 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1491,8 +1223,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:358)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 35 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1502,8 +1232,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:360)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 36 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1513,8 +1241,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:362)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 37 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1524,8 +1250,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:364)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 38 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1535,8 +1259,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:366)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 39 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1546,8 +1268,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:368)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 40 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1557,8 +1277,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:370)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 41 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1568,8 +1286,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:372)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 42 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1579,8 +1295,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:374)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 43 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1590,8 +1304,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:376)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 44 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1601,8 +1313,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:378)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 45 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1612,8 +1322,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:380)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 46 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1623,8 +1331,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:382)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 47 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1634,8 +1340,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:384)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 48 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1645,8 +1349,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:386)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 49 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1656,8 +1358,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:388)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 50 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1667,8 +1367,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:390)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 51 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1678,8 +1376,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:392)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 52 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1689,8 +1385,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:394)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 53 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1700,8 +1394,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:396)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 54 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1711,8 +1403,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:398)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 55 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1722,8 +1412,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:400)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 56 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1733,8 +1421,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:402)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 57 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1744,8 +1430,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:404)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 58 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1755,8 +1439,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:406)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 59 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1766,8 +1448,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:408)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 60 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1777,8 +1457,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:410)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 61 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1788,8 +1466,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:412)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 62 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1799,8 +1475,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:414)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 63 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1810,8 +1484,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:416)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 64 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1821,8 +1493,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:418)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 65 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1832,8 +1502,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:420)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 66 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1843,8 +1511,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:422)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 67 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1854,8 +1520,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:424)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 68 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1865,8 +1529,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:426)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 69 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1876,8 +1538,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:428)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 70 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1887,8 +1547,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:430)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 71 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1898,8 +1556,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:432)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 72 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1909,8 +1565,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:434)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 73 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1920,8 +1574,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:436)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 74 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1931,8 +1583,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:438)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 75 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1942,8 +1592,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:440)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 76 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1953,8 +1601,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:442)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 77 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1964,8 +1610,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:444)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 78 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1975,8 +1619,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:446)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 79 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1986,8 +1628,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:448)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 80 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1997,8 +1637,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:450)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 81 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2008,8 +1646,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:452)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 82 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2019,8 +1655,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:454)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 83 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2030,8 +1664,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:456)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 84 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2041,8 +1673,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:458)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 85 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2052,8 +1682,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:460)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 86 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2063,8 +1691,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:462)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 87 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2074,8 +1700,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:464)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 88 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2085,8 +1709,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:466)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 89 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2096,8 +1718,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:468)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 90 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2107,8 +1727,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:470)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 91 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2118,8 +1736,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:472)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 92 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2129,8 +1745,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:474)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 93 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2140,8 +1754,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:476)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 94 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2151,8 +1763,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:478)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 95 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2162,8 +1772,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:480)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 96 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2173,8 +1781,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:482)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 97 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2189,8 +1795,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:288)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 0 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2200,8 +1804,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:290)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 1 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2211,8 +1813,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:292)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 2 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2222,8 +1822,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:294)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 3 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2233,8 +1831,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:296)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 4 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2244,8 +1840,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:298)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 5 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2255,8 +1849,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:300)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 6 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2266,8 +1858,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:302)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 7 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2277,8 +1867,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:304)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 8 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2288,8 +1876,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:306)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 9 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2299,8 +1885,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:308)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 10 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2310,8 +1894,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:310)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 11 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2321,8 +1903,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:312)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 12 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2332,8 +1912,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:314)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 13 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2343,8 +1921,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:316)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 14 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2354,8 +1930,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:318)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 15 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2365,8 +1939,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:320)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 16 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2376,8 +1948,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:322)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 17 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2387,8 +1957,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:324)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 18 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2398,8 +1966,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:326)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 19 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2409,8 +1975,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:328)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 20 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2420,8 +1984,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:330)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 21 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2431,8 +1993,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:332)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 22 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2442,8 +2002,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:334)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 23 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2453,8 +2011,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:336)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 24 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2464,8 +2020,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:338)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 25 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2475,8 +2029,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:340)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 26 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2486,8 +2038,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:342)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 27 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2497,8 +2047,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:344)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 28 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2508,8 +2056,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:346)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 29 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2519,8 +2065,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:348)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 30 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2530,8 +2074,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:350)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 31 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2541,8 +2083,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:352)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 32 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2552,8 +2092,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:354)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 33 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2563,8 +2101,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:356)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 34 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2574,8 +2110,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:358)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 35 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2585,8 +2119,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:360)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 36 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2596,8 +2128,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:362)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 37 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2607,8 +2137,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:364)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 38 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2618,8 +2146,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:366)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 39 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2629,8 +2155,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:368)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 40 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2640,8 +2164,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:370)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 41 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2651,8 +2173,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:372)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 42 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2662,8 +2182,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:374)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 43 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2673,8 +2191,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:376)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 44 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2684,8 +2200,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:378)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 45 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2695,8 +2209,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:380)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 46 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2706,8 +2218,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:382)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 47 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2717,8 +2227,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:384)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 48 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2728,8 +2236,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:386)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 49 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2739,8 +2245,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:388)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 50 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2750,8 +2254,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:390)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 51 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2761,8 +2263,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:392)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 52 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2772,8 +2272,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:394)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 53 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2783,8 +2281,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:396)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 54 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2794,8 +2290,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:398)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 55 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2805,8 +2299,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:400)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 56 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2816,8 +2308,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:402)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 57 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2827,8 +2317,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:404)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 58 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2838,8 +2326,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:406)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 59 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2849,8 +2335,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:408)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 60 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2860,8 +2344,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:410)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 61 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2871,8 +2353,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:412)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 62 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2882,8 +2362,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:414)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 63 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2893,8 +2371,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:416)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 64 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2904,8 +2380,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:418)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 65 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2915,8 +2389,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:420)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 66 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2926,8 +2398,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:422)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 67 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2937,8 +2407,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:424)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 68 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2948,8 +2416,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:426)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 69 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2959,8 +2425,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:428)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 70 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2970,8 +2434,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:430)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 71 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2981,8 +2443,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:432)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 72 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2992,8 +2452,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:434)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 73 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3003,8 +2461,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:436)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 74 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3014,8 +2470,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:438)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 75 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3025,8 +2479,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:440)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 76 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3036,8 +2488,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:442)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 77 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3047,8 +2497,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:444)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 78 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3058,8 +2506,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:446)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 79 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3069,8 +2515,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:448)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 80 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3080,8 +2524,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:450)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 81 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3091,8 +2533,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:452)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 82 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3102,8 +2542,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:454)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 83 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3113,8 +2551,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:456)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 84 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3124,8 +2560,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:458)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 85 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3135,8 +2569,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:460)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 86 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3146,8 +2578,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:462)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 87 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3157,8 +2587,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:464)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 88 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3168,8 +2596,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:466)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 89 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3179,8 +2605,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:468)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 90 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3190,8 +2614,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:470)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 91 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3201,8 +2623,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:472)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 92 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3212,8 +2632,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:474)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 93 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3223,8 +2641,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:476)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 94 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3234,8 +2650,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:478)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 95 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3250,8 +2664,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:288)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 0 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3260,8 +2672,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:288)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 4 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3271,8 +2681,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:290)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 1 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3281,8 +2689,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:290)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 5 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3292,8 +2698,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:292)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 2 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3302,8 +2706,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:292)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 6 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3313,8 +2715,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:294)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 3 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3323,8 +2723,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:294)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 7 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3334,8 +2732,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:296)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 4 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3344,8 +2740,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:296)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 8 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3355,8 +2749,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:298)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 5 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3365,8 +2757,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:298)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 9 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3376,8 +2766,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:300)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 6 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3386,8 +2774,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:300)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 10 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3397,8 +2783,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:302)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 7 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3407,8 +2791,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:302)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 11 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3418,8 +2800,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:304)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 8 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3428,8 +2808,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:304)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 12 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3439,8 +2817,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:306)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 9 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3449,8 +2825,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:306)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 13 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3460,8 +2834,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:308)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 10 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3470,8 +2842,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:308)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 14 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3481,8 +2851,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:310)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 11 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3491,8 +2859,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:310)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 15 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3502,8 +2868,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:312)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 12 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3512,8 +2876,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:312)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 16 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3523,8 +2885,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:314)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 13 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3533,8 +2893,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:314)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 17 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3544,8 +2902,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:316)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 14 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3554,8 +2910,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:316)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 18 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3565,8 +2919,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:318)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 15 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3575,8 +2927,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:318)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 19 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3586,8 +2936,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:320)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 16 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3596,8 +2944,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:320)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 20 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3607,8 +2953,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:322)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 17 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3617,8 +2961,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:322)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 21 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3628,8 +2970,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:324)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 18 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3638,8 +2978,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:324)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 22 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3649,8 +2987,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:326)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 19 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3659,8 +2995,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:326)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 23 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3670,8 +3004,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:328)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 20 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3680,8 +3012,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:328)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 24 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3691,8 +3021,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:330)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 21 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3701,8 +3029,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:330)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 25 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3712,8 +3038,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:332)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 22 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3722,8 +3046,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:332)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 26 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3733,8 +3055,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:334)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 23 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3743,8 +3063,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:334)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 27 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3754,8 +3072,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:336)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 24 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3764,8 +3080,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:336)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 28 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3775,8 +3089,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:338)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 25 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3785,8 +3097,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:338)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 29 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3796,8 +3106,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:340)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 26 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3806,8 +3114,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:340)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 30 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3817,8 +3123,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:342)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 27 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3827,8 +3131,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:342)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 31 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3838,8 +3140,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:344)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 28 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3848,8 +3148,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:344)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 32 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3859,8 +3157,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:346)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 29 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3869,8 +3165,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:346)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 33 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3880,8 +3174,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:348)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 30 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3890,8 +3182,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:348)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 34 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3901,8 +3191,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:350)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 31 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3911,8 +3199,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:350)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 35 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3922,8 +3208,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:352)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 32 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3932,8 +3216,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:352)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 36 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3943,8 +3225,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:354)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 33 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3953,8 +3233,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:354)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 37 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3964,8 +3242,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:356)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 34 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3974,8 +3250,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:356)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 38 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3985,8 +3259,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:358)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 35 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3995,8 +3267,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:358)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 39 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4006,8 +3276,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:360)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 36 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4016,8 +3284,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:360)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 40 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4027,8 +3293,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:362)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 37 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4037,8 +3301,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:362)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 41 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4048,8 +3310,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:364)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 38 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4058,8 +3318,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:364)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 42 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4069,8 +3327,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:366)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 39 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4079,8 +3335,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:366)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 43 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4090,8 +3344,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:368)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 40 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4100,8 +3352,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:368)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 44 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4111,8 +3361,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:370)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 41 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4121,8 +3369,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:370)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 45 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4132,8 +3378,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:372)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 42 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4142,8 +3386,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:372)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 46 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4153,8 +3395,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:374)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 43 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4163,8 +3403,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:374)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 47 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4174,8 +3412,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:376)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 44 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4184,8 +3420,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:376)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 48 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4195,8 +3429,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:378)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 45 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4205,8 +3437,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:378)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 49 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4216,8 +3446,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:380)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 46 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4226,8 +3454,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:380)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 50 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4237,8 +3463,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:382)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 47 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4247,8 +3471,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:382)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 51 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4258,8 +3480,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:384)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 48 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4268,8 +3488,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:384)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 52 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4279,8 +3497,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:386)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 49 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4289,8 +3505,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:386)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 53 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4300,8 +3514,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:388)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 50 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4310,8 +3522,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:388)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 54 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4321,8 +3531,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:390)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 51 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4331,8 +3539,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:390)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 55 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4342,8 +3548,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:392)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 52 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4352,8 +3556,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:392)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 56 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4363,8 +3565,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:394)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 53 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4373,8 +3573,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:394)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 57 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4384,8 +3582,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:396)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 54 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4394,8 +3590,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:396)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 58 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4405,8 +3599,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:398)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 55 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4415,8 +3607,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:398)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 59 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4426,8 +3616,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:400)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 56 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4436,8 +3624,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:400)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 60 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4447,8 +3633,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:402)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 57 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4457,8 +3641,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:402)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 61 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4468,8 +3650,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:404)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 58 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4478,8 +3658,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:404)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 62 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4489,8 +3667,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:406)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 59 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4499,8 +3675,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:406)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 63 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4510,8 +3684,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:408)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 60 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4520,8 +3692,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:408)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 64 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4531,8 +3701,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:410)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 61 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4541,8 +3709,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:410)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 65 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4552,8 +3718,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:412)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 62 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4562,8 +3726,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:412)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 66 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4573,8 +3735,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:414)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 63 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4583,8 +3743,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:414)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 67 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4594,8 +3752,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:416)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 64 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4604,8 +3760,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:416)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 68 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4615,8 +3769,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:418)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 65 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4625,8 +3777,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:418)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 69 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4636,8 +3786,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:420)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 66 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4646,8 +3794,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:420)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 70 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4657,8 +3803,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:422)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 67 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4667,8 +3811,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:422)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 71 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4678,8 +3820,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:424)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 68 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4688,8 +3828,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:424)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 72 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4699,8 +3837,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:426)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 69 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4709,8 +3845,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:426)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 73 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4720,8 +3854,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:428)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 70 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4730,8 +3862,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:428)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 74 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4741,8 +3871,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:430)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 71 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4751,8 +3879,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:430)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 75 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4762,8 +3888,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:432)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 72 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4772,8 +3896,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:432)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 76 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4783,8 +3905,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:434)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 73 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4793,8 +3913,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:434)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 77 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4804,8 +3922,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:436)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 74 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4814,8 +3930,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:436)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 78 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4825,8 +3939,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:438)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 75 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4835,8 +3947,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:438)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 79 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4846,8 +3956,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:440)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 76 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4856,8 +3964,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:440)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 80 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4867,8 +3973,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:442)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 77 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4877,8 +3981,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:442)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 81 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4888,8 +3990,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:444)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 78 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4898,8 +3998,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:444)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 82 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4909,8 +4007,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:446)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 79 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4919,8 +4015,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:446)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 83 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4930,8 +4024,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:448)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 80 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4940,8 +4032,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:448)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 84 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4951,8 +4041,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:450)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 81 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4961,8 +4049,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:450)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 85 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4972,8 +4058,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:452)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 82 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4982,8 +4066,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:452)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 86 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4993,8 +4075,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:454)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 83 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5003,8 +4083,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:454)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 87 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5014,8 +4092,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:456)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 84 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5024,8 +4100,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:456)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 88 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5035,8 +4109,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:458)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 85 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5045,8 +4117,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:458)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 89 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5056,8 +4126,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:460)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 86 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5066,8 +4134,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:460)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 90 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5077,8 +4143,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:462)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 87 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5087,8 +4151,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:462)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 91 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5098,8 +4160,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:464)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 88 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5108,8 +4168,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:464)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 92 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5119,8 +4177,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:466)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 89 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5129,8 +4185,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:466)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 93 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5140,8 +4194,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:468)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 90 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5150,8 +4202,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:468)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 94 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5161,8 +4211,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:470)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 91 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -5171,8 +4219,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:470)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 95 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)

diff --git a/drd/tests/tc19_shadowmem.stderr.exp-64bit b/drd/tests/tc19_shadowmem.stderr.exp-64bit
index 2f05773aaceebc668b848025e7cce1c9c490282e..7daac179d44d030378e02017836d41d196de5404 100644 (file)
--- a/drd/tests/tc19_shadowmem.stderr.exp-64bit
+++ b/drd/tests/tc19_shadowmem.stderr.exp-64bit
@@ -9,8 +9,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:288)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 0 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -20,8 +18,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:290)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 1 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -31,8 +27,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:292)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 2 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -42,8 +36,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:294)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 3 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -53,8 +45,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:296)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 4 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -64,8 +54,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:298)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 5 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -75,8 +63,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:300)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 6 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -86,8 +72,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:302)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 7 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -97,8 +81,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:304)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 8 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -108,8 +90,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:306)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 9 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -119,8 +99,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:308)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 10 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -130,8 +108,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:310)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 11 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -141,8 +117,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:312)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 12 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -152,8 +126,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:314)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 13 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -163,8 +135,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:316)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 14 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -174,8 +144,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:318)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 15 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -185,8 +153,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:320)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 16 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -196,8 +162,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:322)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 17 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -207,8 +171,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:324)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 18 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -218,8 +180,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:326)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 19 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -229,8 +189,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:328)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 20 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -240,8 +198,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:330)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 21 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -251,8 +207,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:332)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 22 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -262,8 +216,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:334)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 23 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -273,8 +225,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:336)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 24 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -284,8 +234,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:338)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 25 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -295,8 +243,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:340)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 26 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -306,8 +252,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:342)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 27 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -317,8 +261,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:344)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 28 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -328,8 +270,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:346)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 29 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -339,8 +279,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:348)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 30 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -350,8 +288,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:350)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 31 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -361,8 +297,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:352)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 32 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -372,8 +306,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:354)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 33 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -383,8 +315,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:356)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 34 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -394,8 +324,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:358)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 35 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -405,8 +333,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:360)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 36 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -416,8 +342,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:362)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 37 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -427,8 +351,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:364)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 38 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -438,8 +360,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:366)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 39 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -449,8 +369,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:368)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 40 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -460,8 +378,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:370)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 41 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -471,8 +387,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:372)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 42 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -482,8 +396,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:374)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 43 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -493,8 +405,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:376)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 44 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -504,8 +414,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:378)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 45 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -515,8 +423,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:380)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 46 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -526,8 +432,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:382)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 47 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -537,8 +441,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:384)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 48 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -548,8 +450,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:386)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 49 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -559,8 +459,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:388)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 50 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -570,8 +468,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:390)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 51 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -581,8 +477,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:392)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 52 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -592,8 +486,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:394)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 53 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -603,8 +495,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:396)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 54 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -614,8 +504,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:398)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 55 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -625,8 +513,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:400)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 56 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -636,8 +522,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:402)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 57 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -647,8 +531,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:404)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 58 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -658,8 +540,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:406)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 59 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -669,8 +549,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:408)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 60 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -680,8 +558,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:410)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 61 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -691,8 +567,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:412)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 62 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -702,8 +576,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:414)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 63 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -713,8 +585,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:416)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 64 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -724,8 +594,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:418)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 65 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -735,8 +603,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:420)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 66 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -746,8 +612,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:422)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 67 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -757,8 +621,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:424)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 68 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -768,8 +630,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:426)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 69 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -779,8 +639,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:428)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 70 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -790,8 +648,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:430)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 71 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -801,8 +657,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:432)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 72 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -812,8 +666,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:434)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 73 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -823,8 +675,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:436)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 74 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -834,8 +684,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:438)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 75 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -845,8 +693,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:440)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 76 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -856,8 +702,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:442)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 77 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -867,8 +711,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:444)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 78 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -878,8 +720,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:446)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 79 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -889,8 +729,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:448)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 80 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -900,8 +738,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:450)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 81 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -911,8 +747,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:452)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 82 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -922,8 +756,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:454)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 83 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -933,8 +765,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:456)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 84 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -944,8 +774,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:458)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 85 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -955,8 +783,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:460)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 86 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -966,8 +792,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:462)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 87 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -977,8 +801,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:464)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 88 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -988,8 +810,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:466)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 89 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -999,8 +819,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:468)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 90 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1010,8 +828,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:470)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 91 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1021,8 +837,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:472)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 92 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1032,8 +846,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:474)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 93 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1043,8 +855,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:476)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 94 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1054,8 +864,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:478)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 95 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1065,8 +873,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:480)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 96 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1076,8 +882,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:482)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 97 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1087,8 +891,6 @@ Conflicting store by thread x at 0x........ size 1
    at 0x........: child8 (tc19_shadowmem.c:33)
    by 0x........: steer (tc19_shadowmem.c:484)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 98 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1103,8 +905,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:288)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 0 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1117,8 +917,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:290)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 1 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1128,8 +926,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:292)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 2 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1139,8 +935,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:294)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 3 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1150,8 +944,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:296)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 4 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1161,8 +953,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:298)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 5 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1172,8 +962,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:300)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 6 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1183,8 +971,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:302)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 7 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1194,8 +980,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:304)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 8 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1205,8 +989,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:306)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 9 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1216,8 +998,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:308)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 10 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1227,8 +1007,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:310)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 11 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1238,8 +1016,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:312)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 12 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1249,8 +1025,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:314)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 13 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1260,8 +1034,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:316)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 14 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1271,8 +1043,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:318)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 15 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1282,8 +1052,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:320)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 16 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1293,8 +1061,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:322)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 17 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1304,8 +1070,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:324)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 18 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1315,8 +1079,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:326)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 19 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1326,8 +1088,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:328)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 20 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1337,8 +1097,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:330)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 21 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1348,8 +1106,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:332)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 22 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1359,8 +1115,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:334)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 23 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1370,8 +1124,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:336)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 24 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1381,8 +1133,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:338)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 25 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1392,8 +1142,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:340)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 26 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1403,8 +1151,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:342)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 27 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1414,8 +1160,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:344)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 28 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1425,8 +1169,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:346)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 29 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1436,8 +1178,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:348)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 30 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1447,8 +1187,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:350)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 31 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1458,8 +1196,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:352)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 32 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1469,8 +1205,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:354)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 33 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1480,8 +1214,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:356)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 34 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1491,8 +1223,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:358)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 35 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1502,8 +1232,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:360)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 36 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1513,8 +1241,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:362)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 37 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1524,8 +1250,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:364)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 38 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1535,8 +1259,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:366)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 39 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1546,8 +1268,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:368)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 40 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1557,8 +1277,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:370)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 41 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1568,8 +1286,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:372)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 42 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1579,8 +1295,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:374)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 43 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1590,8 +1304,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:376)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 44 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1601,8 +1313,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:378)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 45 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1612,8 +1322,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:380)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 46 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1623,8 +1331,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:382)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 47 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1634,8 +1340,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:384)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 48 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1645,8 +1349,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:386)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 49 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1656,8 +1358,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:388)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 50 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1667,8 +1367,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:390)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 51 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1678,8 +1376,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:392)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 52 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1689,8 +1385,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:394)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 53 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1700,8 +1394,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:396)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 54 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1711,8 +1403,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:398)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 55 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1722,8 +1412,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:400)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 56 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1733,8 +1421,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:402)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 57 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1744,8 +1430,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:404)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 58 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1755,8 +1439,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:406)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 59 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1766,8 +1448,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:408)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 60 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1777,8 +1457,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:410)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 61 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1788,8 +1466,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:412)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 62 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1799,8 +1475,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:414)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 63 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1810,8 +1484,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:416)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 64 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1821,8 +1493,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:418)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 65 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1832,8 +1502,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:420)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 66 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1843,8 +1511,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:422)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 67 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1854,8 +1520,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:424)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 68 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1865,8 +1529,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:426)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 69 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1876,8 +1538,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:428)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 70 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1887,8 +1547,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:430)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 71 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1898,8 +1556,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:432)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 72 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1909,8 +1565,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:434)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 73 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1920,8 +1574,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:436)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 74 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1931,8 +1583,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:438)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 75 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1942,8 +1592,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:440)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 76 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1953,8 +1601,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:442)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 77 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1964,8 +1610,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:444)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 78 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1975,8 +1619,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:446)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 79 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1986,8 +1628,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:448)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 80 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -1997,8 +1637,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:450)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 81 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2008,8 +1646,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:452)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 82 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2019,8 +1655,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:454)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 83 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2030,8 +1664,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:456)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 84 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2041,8 +1673,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:458)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 85 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2052,8 +1682,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:460)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 86 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2063,8 +1691,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:462)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 87 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2074,8 +1700,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:464)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 88 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2085,8 +1709,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:466)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 89 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2096,8 +1718,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:468)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 90 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2107,8 +1727,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:470)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 91 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2118,8 +1736,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:472)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 92 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2129,8 +1745,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:474)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 93 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2140,8 +1754,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:476)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 94 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2151,8 +1763,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:478)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 95 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2162,8 +1772,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:480)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 96 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2173,8 +1781,6 @@ Conflicting store by thread x at 0x........ size 2
    at 0x........: child16 (tc19_shadowmem.c:57)
    by 0x........: steer (tc19_shadowmem.c:482)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 97 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2189,8 +1795,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:288)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 0 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2200,8 +1804,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:290)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 1 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2211,8 +1813,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:292)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 2 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2222,8 +1822,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:294)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 3 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2233,8 +1831,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:296)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 4 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2244,8 +1840,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:298)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 5 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2255,8 +1849,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:300)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 6 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2266,8 +1858,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:302)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 7 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2277,8 +1867,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:304)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 8 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2288,8 +1876,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:306)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 9 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2299,8 +1885,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:308)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 10 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2310,8 +1894,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:310)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 11 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2321,8 +1903,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:312)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 12 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2332,8 +1912,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:314)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 13 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2343,8 +1921,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:316)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 14 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2354,8 +1930,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:318)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 15 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2365,8 +1939,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:320)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 16 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2376,8 +1948,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:322)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 17 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2387,8 +1957,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:324)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 18 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2398,8 +1966,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:326)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 19 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2409,8 +1975,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:328)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 20 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2420,8 +1984,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:330)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 21 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2431,8 +1993,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:332)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 22 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2442,8 +2002,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:334)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 23 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2453,8 +2011,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:336)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 24 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2464,8 +2020,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:338)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 25 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2475,8 +2029,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:340)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 26 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2486,8 +2038,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:342)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 27 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2497,8 +2047,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:344)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 28 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2508,8 +2056,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:346)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 29 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2519,8 +2065,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:348)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 30 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2530,8 +2074,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:350)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 31 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2541,8 +2083,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:352)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 32 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2552,8 +2092,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:354)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 33 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2563,8 +2101,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:356)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 34 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2574,8 +2110,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:358)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 35 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2585,8 +2119,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:360)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 36 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2596,8 +2128,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:362)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 37 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2607,8 +2137,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:364)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 38 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2618,8 +2146,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:366)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 39 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2629,8 +2155,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:368)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 40 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2640,8 +2164,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:370)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 41 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2651,8 +2173,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:372)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 42 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2662,8 +2182,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:374)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 43 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2673,8 +2191,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:376)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 44 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2684,8 +2200,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:378)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 45 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2695,8 +2209,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:380)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 46 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2706,8 +2218,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:382)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 47 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2717,8 +2227,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:384)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 48 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2728,8 +2236,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:386)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 49 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2739,8 +2245,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:388)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 50 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2750,8 +2254,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:390)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 51 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2761,8 +2263,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:392)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 52 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2772,8 +2272,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:394)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 53 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2783,8 +2281,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:396)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 54 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2794,8 +2290,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:398)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 55 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2805,8 +2299,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:400)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 56 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2816,8 +2308,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:402)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 57 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2827,8 +2317,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:404)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 58 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2838,8 +2326,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:406)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 59 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2849,8 +2335,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:408)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 60 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2860,8 +2344,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:410)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 61 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2871,8 +2353,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:412)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 62 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2882,8 +2362,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:414)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 63 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2893,8 +2371,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:416)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 64 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2904,8 +2380,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:418)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 65 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2915,8 +2389,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:420)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 66 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2926,8 +2398,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:422)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 67 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2937,8 +2407,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:424)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 68 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2948,8 +2416,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:426)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 69 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2959,8 +2425,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:428)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 70 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2970,8 +2434,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:430)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 71 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2981,8 +2443,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:432)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 72 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -2992,8 +2452,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:434)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 73 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3003,8 +2461,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:436)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 74 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3014,8 +2470,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:438)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 75 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3025,8 +2479,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:440)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 76 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3036,8 +2488,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:442)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 77 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3047,8 +2497,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:444)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 78 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3058,8 +2506,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:446)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 79 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3069,8 +2515,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:448)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 80 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3080,8 +2524,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:450)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 81 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3091,8 +2533,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:452)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 82 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3102,8 +2542,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:454)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 83 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3113,8 +2551,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:456)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 84 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3124,8 +2560,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:458)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 85 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3135,8 +2569,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:460)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 86 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3146,8 +2578,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:462)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 87 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3157,8 +2587,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:464)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 88 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3168,8 +2596,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:466)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 89 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3179,8 +2605,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:468)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 90 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3190,8 +2614,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:470)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 91 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3201,8 +2623,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:472)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 92 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3212,8 +2632,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:474)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 93 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3223,8 +2641,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:476)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 94 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3234,8 +2650,6 @@ Conflicting store by thread x at 0x........ size 4
    at 0x........: child32 (tc19_shadowmem.c:81)
    by 0x........: steer (tc19_shadowmem.c:478)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 95 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3250,8 +2664,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:288)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 0 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3261,8 +2673,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:290)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 1 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3272,8 +2682,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:292)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 2 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3283,8 +2691,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:294)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 3 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3294,8 +2700,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:296)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 4 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3305,8 +2709,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:298)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 5 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3316,8 +2718,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:300)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 6 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3327,8 +2727,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:302)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 7 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3338,8 +2736,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:304)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 8 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3349,8 +2745,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:306)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 9 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3360,8 +2754,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:308)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 10 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3371,8 +2763,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:310)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 11 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3382,8 +2772,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:312)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 12 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3393,8 +2781,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:314)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 13 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3404,8 +2790,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:316)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 14 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3415,8 +2799,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:318)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 15 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3426,8 +2808,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:320)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 16 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3437,8 +2817,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:322)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 17 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3448,8 +2826,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:324)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 18 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3459,8 +2835,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:326)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 19 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3470,8 +2844,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:328)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 20 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3481,8 +2853,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:330)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 21 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3492,8 +2862,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:332)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 22 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3503,8 +2871,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:334)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 23 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3514,8 +2880,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:336)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 24 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3525,8 +2889,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:338)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 25 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3536,8 +2898,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:340)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 26 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3547,8 +2907,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:342)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 27 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3558,8 +2916,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:344)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 28 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3569,8 +2925,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:346)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 29 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3580,8 +2934,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:348)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 30 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3591,8 +2943,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:350)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 31 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3602,8 +2952,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:352)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 32 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3613,8 +2961,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:354)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 33 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3624,8 +2970,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:356)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 34 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3635,8 +2979,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:358)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 35 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3646,8 +2988,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:360)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 36 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3657,8 +2997,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:362)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 37 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3668,8 +3006,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:364)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 38 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3679,8 +3015,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:366)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 39 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3690,8 +3024,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:368)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 40 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3701,8 +3033,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:370)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 41 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3712,8 +3042,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:372)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 42 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3723,8 +3051,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:374)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 43 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3734,8 +3060,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:376)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 44 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3745,8 +3069,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:378)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 45 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3756,8 +3078,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:380)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 46 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3767,8 +3087,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:382)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 47 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3778,8 +3096,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:384)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 48 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3789,8 +3105,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:386)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 49 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3800,8 +3114,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:388)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 50 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3811,8 +3123,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:390)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 51 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3822,8 +3132,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:392)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 52 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3833,8 +3141,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:394)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 53 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3844,8 +3150,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:396)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 54 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3855,8 +3159,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:398)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 55 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3866,8 +3168,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:400)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 56 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3877,8 +3177,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:402)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 57 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3888,8 +3186,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:404)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 58 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3899,8 +3195,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:406)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 59 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3910,8 +3204,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:408)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 60 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3921,8 +3213,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:410)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 61 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3932,8 +3222,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:412)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 62 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3943,8 +3231,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:414)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 63 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3954,8 +3240,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:416)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 64 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3965,8 +3249,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:418)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 65 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3976,8 +3258,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:420)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 66 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3987,8 +3267,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:422)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 67 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -3998,8 +3276,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:424)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 68 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4009,8 +3285,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:426)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 69 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4020,8 +3294,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:428)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 70 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4031,8 +3303,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:430)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 71 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4042,8 +3312,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:432)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 72 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4053,8 +3321,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:434)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 73 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4064,8 +3330,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:436)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 74 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4075,8 +3339,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:438)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 75 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4086,8 +3348,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:440)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 76 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4097,8 +3357,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:442)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 77 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4108,8 +3366,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:444)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 78 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4119,8 +3375,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:446)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 79 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4130,8 +3384,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:448)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 80 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4141,8 +3393,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:450)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 81 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4152,8 +3402,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:452)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 82 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4163,8 +3411,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:454)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 83 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4174,8 +3420,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:456)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 84 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4185,8 +3429,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:458)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 85 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4196,8 +3438,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:460)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 86 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4207,8 +3447,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:462)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 87 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4218,8 +3456,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:464)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 88 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4229,8 +3465,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:466)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 89 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4240,8 +3474,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:468)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 90 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)
@@ -4251,8 +3483,6 @@ Conflicting store by thread x at 0x........ size 8
    at 0x........: child64 (tc19_shadowmem.c:105)
    by 0x........: steer (tc19_shadowmem.c:470)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 Address 0x........ is at offset 91 from 0x......... Allocation context:
    at 0x........: malloc (vg_replace_malloc.c:...)
    by 0x........: main (tc19_shadowmem.c:144)

diff --git a/drd/tests/tc19_shadowmem.vgtest b/drd/tests/tc19_shadowmem.vgtest
index 8bcb9a111d52675a513ce930182a2016cbd23502..18691f0e10e0ec14a8e4e9b003bc740449d02ee6 100644 (file)
--- a/drd/tests/tc19_shadowmem.vgtest
+++ b/drd/tests/tc19_shadowmem.vgtest
@@ -1,4 +1,4 @@
 prereq: ./supported_libpthread
 prog: ../../helgrind/tests/tc19_shadowmem
-vgopts: --error-limit=no --var-info=yes --auto-run-dsymutil=yes --show-confl-seg=no
+vgopts: --error-limit=no --var-info=yes --auto-run-dsymutil=yes --show-confl-seg=no --num-callers=3
 stderr_filter: filter_stderr_and_thread_no

diff --git a/drd/tests/tc22_exit_w_lock.stderr.exp-64bit b/drd/tests/tc22_exit_w_lock.stderr.exp-64bit
index 5f09567332b9fbbf85bffb81cd3b8e646bb3e8ea..a2fa1fe9efc41c6481b53d2937b799cf7df2cccc 100644 (file)
--- a/drd/tests/tc22_exit_w_lock.stderr.exp-64bit
+++ b/drd/tests/tc22_exit_w_lock.stderr.exp-64bit
@@ -6,7 +6,5 @@ mutex 0x........ was first observed at:
    at 0x........: pthread_mutex_lock (drd_pthread_intercepts.c:?)
    by 0x........: child_fn1 (tc22_exit_w_lock.c:18)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 
 ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)

diff --git a/drd/tests/tc22_exit_w_lock.vgtest b/drd/tests/tc22_exit_w_lock.vgtest
index c57698e79ffea3bc88dc8b2e40cf5dde24033e8f..f5ecbcd33b09ae21b4d8bdff767aa57f8887daf5 100644 (file)
--- a/drd/tests/tc22_exit_w_lock.vgtest
+++ b/drd/tests/tc22_exit_w_lock.vgtest
@@ -1,2 +1,3 @@
 prereq: ./supported_libpthread
+vgopts: --num-callers=3
 prog: ../../helgrind/tests/tc22_exit_w_lock

diff --git a/drd/tests/tc23_bogus_condwait.stderr.exp b/drd/tests/tc23_bogus_condwait.stderr.exp
index 9f6eb2cb5452893aea3386bec57189c03e584399..992e57cb3479408c3fe22d6efe33b7ed4124bcfc 100644 (file)
--- a/drd/tests/tc23_bogus_condwait.stderr.exp
+++ b/drd/tests/tc23_bogus_condwait.stderr.exp
@@ -12,8 +12,6 @@ Probably a race condition: condition variable 0x........ has been signaled but t
    at 0x........: pthread_cond_signal* (drd_pthread_intercepts.c:?)
    by 0x........: rescue_me (tc23_bogus_condwait.c:20)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 cond 0x........ was first observed at:
    at 0x........: pthread_cond_init* (drd_pthread_intercepts.c:?)
    by 0x........: main (tc23_bogus_condwait.c:56)
@@ -31,8 +29,6 @@ Probably a race condition: condition variable 0x........ has been signaled but t
    at 0x........: pthread_cond_signal* (drd_pthread_intercepts.c:?)
    by 0x........: rescue_me (tc23_bogus_condwait.c:24)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 cond 0x........ was first observed at:
    at 0x........: pthread_cond_init* (drd_pthread_intercepts.c:?)
    by 0x........: main (tc23_bogus_condwait.c:56)
@@ -60,8 +56,6 @@ Probably a race condition: condition variable 0x........ has been signaled but t
    at 0x........: pthread_cond_signal* (drd_pthread_intercepts.c:?)
    by 0x........: rescue_me (tc23_bogus_condwait.c:28)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 cond 0x........ was first observed at:
    at 0x........: pthread_cond_init* (drd_pthread_intercepts.c:?)
    by 0x........: main (tc23_bogus_condwait.c:56)
@@ -82,8 +76,6 @@ Probably a race condition: condition variable 0x........ has been signaled but t
    at 0x........: pthread_cond_signal* (drd_pthread_intercepts.c:?)
    by 0x........: rescue_me (tc23_bogus_condwait.c:32)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 cond 0x........ was first observed at:
    at 0x........: pthread_cond_init* (drd_pthread_intercepts.c:?)
    by 0x........: main (tc23_bogus_condwait.c:56)
@@ -97,8 +89,6 @@ Mutex not locked by calling thread: mutex 0x........, recursion count 2, owner 1
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: grab_the_lock (tc23_bogus_condwait.c:42)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 mutex 0x........ was first observed at:
    at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
    by 0x........: main (tc23_bogus_condwait.c:53)

diff --git a/drd/tests/tc23_bogus_condwait.vgtest b/drd/tests/tc23_bogus_condwait.vgtest
index 87b4c3ba1ccca579b3c94f0dd1ed1f01debbbc50..edbbef7c64bff5c0067d6889d7de4b1c9d9154ae 100644 (file)
--- a/drd/tests/tc23_bogus_condwait.vgtest
+++ b/drd/tests/tc23_bogus_condwait.vgtest
@@ -1,2 +1,3 @@
 prereq: ./supported_libpthread
+vgopts: --num-callers=3
 prog: ../../helgrind/tests/tc23_bogus_condwait

diff --git a/drd/tests/thread_name.stderr.exp b/drd/tests/thread_name.stderr.exp
index 0437b7d7182928a36fd07162a640a72d93c55c6d..b74a4ada90012f2e85cbde97f83a079f3d647cfd 100644 (file)
--- a/drd/tests/thread_name.stderr.exp
+++ b/drd/tests/thread_name.stderr.exp
@@ -7,8 +7,6 @@ The object at address 0x........ is not a mutex.
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (thread_name.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 
 thread_func instance 2
 
@@ -18,8 +16,6 @@ The object at address 0x........ is not a mutex.
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (thread_name.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 
 thread_func instance 3
 
@@ -29,8 +25,6 @@ The object at address 0x........ is not a mutex.
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (thread_name.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 
 thread_func instance 4
 
@@ -40,8 +34,6 @@ The object at address 0x........ is not a mutex.
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (thread_name.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 
 thread_func instance 5
 
@@ -51,8 +43,6 @@ The object at address 0x........ is not a mutex.
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (thread_name.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 
 thread_func instance 6
 
@@ -62,8 +52,6 @@ The object at address 0x........ is not a mutex.
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (thread_name.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 
 thread_func instance 7
 
@@ -73,8 +61,6 @@ The object at address 0x........ is not a mutex.
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (thread_name.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 
 thread_func instance 8
 
@@ -84,8 +70,6 @@ The object at address 0x........ is not a mutex.
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (thread_name.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 
 thread_func instance 9
 
@@ -95,8 +79,6 @@ The object at address 0x........ is not a mutex.
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (thread_name.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 
 thread_func instance 10
 
@@ -106,7 +88,5 @@ The object at address 0x........ is not a mutex.
    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
    by 0x........: thread_func (thread_name.c:?)
    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
-   by 0x........: (within libpthread-?.?.so)
-   by 0x........: clone (in /...libc...)
 
 ERROR SUMMARY: 10 errors from 10 contexts (suppressed: 0 from 0)

diff --git a/drd/tests/thread_name.vgtest b/drd/tests/thread_name.vgtest
index d0e6fb2e2f18acb54b3dd7901709d4760b2cb3be..9307b8ca341ecbff860f3ac10c2a711bdac5da51 100644 (file)
--- a/drd/tests/thread_name.vgtest
+++ b/drd/tests/thread_name.vgtest
@@ -1,3 +1,3 @@
 prereq: test -e thread_name && ./supported_libpthread
-vgopts: --var-info=yes --auto-run-dsymutil=yes --check-stack-var=yes
+vgopts: --var-info=yes --auto-run-dsymutil=yes --check-stack-var=yes --num-callers=3
 prog: thread_name