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. ........ Merged revisions 398703 from http://svn.asterisk.org/svn/asterisk/branches/1.8 ........ Merged revisions 398721 from http://svn.asterisk.org/svn/asterisk/branches/11 ........ Merged revisions 398726 from http://svn.asterisk.org/svn/asterisk/branches/12 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@398732 65c4cc65-6c06-0410-ace0-fbb531ad65f3
12 years ago · 35b5549df8
parent 9fb34542d1
commit 35b5549df8
1 changed files with 1 additions and 1 deletions
--- a/main/astmm.c
+++ b/main/astmm.c
@ -71,7 +71,7 @@ enum func_type {
 #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. */