From: Paul Floyd <pjfloyd@wanadoo.fr>
Date: Wed, 1 Dec 2021 23:25:20 +0000 (+0100)
Subject: Bug 446281 Add a DRD suppression for fwrite
X-Git-Tag: VALGRIND_3_19_0~63
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=53ad200bfa6cdab92d6f471c9d6b2811a79335fc;p=thirdparty%2Fvalgrind.git

Bug 446281 Add a DRD suppression for fwrite

Add a suppression for fwrite-like functions.
Helgrind already has a similar suppression.
---

diff --git a/NEWS b/NEWS
index 76e598fb7f..e7b53a515c 100644
--- a/NEWS
+++ b/NEWS
@@ -54,6 +54,9 @@ are not entered into bugzilla tend to get forgotten about or ignored.
 445354  arm64 backend: incorrect code emitted for doubleword CAS
 445415  arm64 front end: alignment checks missing for atomic instructions
 445668  Inline stack frame generation is broken for Rust binaries
+446139  DRD/Helgrind with std::shared_timed_mutex::try_lock_until and try_lock_shared_until false positives
+446138  DRD/Helgrind with std::timed_mutex::try_lock_until false positives
+446281  Add a DRD suppression for fwrite
 
 To see details of a given bug, visit
   https://bugs.kde.org/show_bug.cgi?id=XXXXXX
diff --git a/glibc-2.X-drd.supp.in b/glibc-2.X-drd.supp.in
index 9a9b6f0752..b8c8ac0ad5 100644
--- a/glibc-2.X-drd.supp.in
+++ b/glibc-2.X-drd.supp.in
@@ -37,6 +37,13 @@
    fun:random_r
    fun:random
 }
+{
+   drd-glibc-io-xsputn-mempcpy
+   drd:ConflictingAccess
+   fun:__GI_mempcpy
+   fun:_IO_*xsputn*
+   obj:@GLIBC_LIBC_PATH@ 
+}
 
 #
 # Suppression patterns for libstdc++, the implementation of the standard C++