From: Julian Seward <jseward@acm.org>
Date: Tue, 24 Jun 2008 09:48:39 +0000 (+0000)
Subject: Suppress false positives in Memcheck caused by very clever coding in zlib.
X-Git-Tag: svn/VALGRIND_3_4_0~437
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5187274475e33dc39e89969d4a675d4b965f2dc4;p=thirdparty%2Fvalgrind.git

Suppress false positives in Memcheck caused by very clever coding in zlib.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8275
---

diff --git a/xfree-4.supp b/xfree-4.supp
index 0ccc46e518..b41fc17ba6 100644
--- a/xfree-4.supp
+++ b/xfree-4.supp
@@ -302,6 +302,19 @@
    fun:for__add_to_lf_table
 }
 
+# zlib-1.2.x uses uninitialised memory in some tricky way which
+# apparently is harmless (it must amount to a vectorised while-loop,
+# nothing else makes sense).  Fools Memcheck though.  See the mentioned
+# URL for details.
+{
+   zlib-1.2.x trickyness: See http://www.zlib.net/zlib_faq.html#faq36
+   Memcheck:Cond
+   obj:/lib64/libz.so.1.2.*
+   obj:/lib64/libz.so.1.2.*
+   fun:deflate
+}
+
+
 ##----------------------------------------------------------------------##
 
 ## More general versions of some of the old X suppressions above