[asterisk-commits] rmudgett: branch 1.8 r398703 - /branches/1.8/main/astmm.c

[SVN commits to the Asterisk project]

Author: rmudgett
Date: Mon Sep  9 18:15:38 2013
New Revision: 398703

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=398703
Log:
MALLOC_DEBUG: Change fence magic number to be completely different from the freed magic number.

Race conditions between freeing a nul terminated string and
ast_strdup()'ing it are more likely to be detected if the fence and freed
magic numbers are completely different.

Modified:
    branches/1.8/main/astmm.c

Modified: branches/1.8/main/astmm.c
URL: http://svnview.digium.com/svn/asterisk/branches/1.8/main/astmm.c?view=diff&rev=398703&r1=398702&r2=398703
==============================================================================
--- branches/1.8/main/astmm.c (original)
+++ branches/1.8/main/astmm.c Mon Sep  9 18:15:38 2013
@@ -70,7 +70,7 @@
 #undef vasprintf
 #undef asprintf
 
-#define FENCE_MAGIC		0xdeadbeef	/*!< Allocated memory high/low fence overwrite check. */
+#define FENCE_MAGIC		0xfeedbabe	/*!< Allocated memory high/low fence overwrite check. */
 #define FREED_MAGIC		0xdeaddead	/*!< Freed memory wipe filler. */
 #define MALLOC_FILLER	0x55		/*!< Malloced memory filler.  Must not be zero. */