From: Richard Mudgett Date: Mon, 9 Sep 2013 23:21:46 +0000 (+0000) Subject: MALLOC_DEBUG: Change fence magic number to be completely different from the freed... X-Git-Tag: 11.6.0-rc1~3^2~18 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3f6b151a72c01d6796564fafdef13028439cad75;p=thirdparty%2Fasterisk.git 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 git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@398721 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- diff --git a/main/astmm.c b/main/astmm.c index f3e1b36290..5ef5799b86 100644 --- a/main/astmm.c +++ b/main/astmm.c @@ -70,7 +70,7 @@ 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. */