From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 9 Jun 2009 11:12:07 +0000 (+0000)
Subject: Fixed bug in DRD's realloc() wrapper.
X-Git-Tag: svn/VALGRIND_3_5_0~515
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b4443ebc0aa660dd39f62c15df293efcb985ecfe;p=thirdparty%2Fvalgrind.git

Fixed bug in DRD's realloc() wrapper.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@10282
---

diff --git a/drd/drd_main.c b/drd/drd_main.c
index 4752748f8c..121d4dfa78 100644
--- a/drd/drd_main.c
+++ b/drd/drd_main.c
@@ -318,7 +318,7 @@ void drd_stop_using_mem(const Addr a1, const SizeT len,
 {
    const Addr a2 = a1 + len;
 
-   tl_assert(a1 < a2);
+   tl_assert(a1 <= a2);
 
    if (UNLIKELY(DRD_(any_address_is_traced)()))
    {
diff --git a/drd/drd_malloc_wrappers.c b/drd/drd_malloc_wrappers.c
index 457ca82474..d0109f1504 100644
--- a/drd/drd_malloc_wrappers.c
+++ b/drd/drd_malloc_wrappers.c
@@ -198,7 +198,7 @@ static void* DRD_(realloc)(ThreadId tid, void* p_old, SizeT new_size)
    else if (old_size > new_size)
    {
       /* new size is smaller */
-      s_stop_using_mem_callback(mc->data + new_size, old_size);
+      s_stop_using_mem_callback(mc->data + new_size, old_size - new_size);
       mc->size = new_size;
       mc->where = VG_(record_ExeContext)(tid, 0);
       p_new = p_old;