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| author | Sergei Golubchik <serg@mariadb.org> | 2018-01-20 12:50:28 +0100 |
|---|---|---|
| committer | Sergei Golubchik <serg@mariadb.org> | 2018-01-22 11:39:54 +0100 |
| commit | a966d422ca56d1772b9f975a8ef48442ae528f0a (patch) | |
| tree | a94f7e5a256b3860834cc15f15da627741303644 | |
| parent | 22ae3843db6c8b2a84ca5d16cd99025abb52cc27 (diff) | |
| download | mariadb-git-a966d422ca56d1772b9f975a8ef48442ae528f0a.tar.gz | |
improve ASAN instrumentation: TRASH
mark freed memory as not accessible, not merely undefined
| -rw-r--r-- | include/my_valgrind.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/my_valgrind.h b/include/my_valgrind.h index 6fcc4dfa54a..9baed2e01d6 100644 --- a/include/my_valgrind.h +++ b/include/my_valgrind.h @@ -39,9 +39,9 @@ #endif /* HAVE_VALGRIND */ #ifndef DBUG_OFF -#define TRASH_FILL(A,B,C) do { memset(A, C, B); MEM_UNDEFINED(A, B); } while (0) +#define TRASH_FILL(A,B,C) do { MEM_UNDEFINED(A,B); memset(A,C,B); } while(0) #else -#define TRASH_FILL(A,B,C) do { MEM_CHECK_ADDRESSABLE(A,B);MEM_UNDEFINED(A,B);} while (0) +#define TRASH_FILL(A,B,C) do { MEM_UNDEFINED(A,B); } while(0) #endif -#define TRASH_ALLOC(A,B) TRASH_FILL(A,B,0xA5) -#define TRASH_FREE(A,B) TRASH_FILL(A,B,0x8F) +#define TRASH_ALLOC(A,B) do { TRASH_FILL(A,B,0xA5); MEM_UNDEFINED(A,B); } while(0) +#define TRASH_FREE(A,B) do { TRASH_FILL(A,B,0x8F); MEM_NOACCESS(A,B); } while(0) |