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| author | Robin Watts <robin@peeved.(none)> | 2014-01-17 07:04:40 -0800 |
|---|---|---|
| committer | Robin Watts <robin.watts@artifex.com> | 2014-01-17 15:06:42 +0000 |
| commit | ef3d3c01d57aed1204f1b77a93d5106ac8223ea8 (patch) | |
| tree | a16ddcdfabdcea881535b1a2999f773b33acd6ff /source/fitz/memento.c | |
| parent | 776ee05584156f6737ec7603b2f2f68d3a301bab (diff) | |
| download | mupdf-ef3d3c01d57aed1204f1b77a93d5106ac8223ea8.tar.xz | |
Fix more Memento/Valgrind interactions.
Seen when valgrinding a memento build of mudraw on:
e0e44ed8692671b820de72c6c0a32608_asan_heap-uaf_8c2b76_1530_2026.pdf
Diffstat (limited to 'source/fitz/memento.c')
| -rw-r--r-- | source/fitz/memento.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/source/fitz/memento.c b/source/fitz/memento.c index 8b19c599..76b9f1fe 100644 --- a/source/fitz/memento.c +++ b/source/fitz/memento.c @@ -1174,8 +1174,12 @@ void *Memento_realloc(void *blk, size_t newsize) } newmemblk->rawsize = newsize; #ifndef MEMENTO_LEAKONLY + VALGRIND_MAKE_MEM_DEFINED(newmemblk->preblk, Memento_PreSize); memset(newmemblk->preblk, MEMENTO_PREFILL, Memento_PreSize); + VALGRIND_MAKE_MEM_UNDEFINED(newmemblk->preblk, Memento_PreSize); + VALGRIND_MAKE_MEM_DEFINED(MEMBLK_POSTPTR(newmemblk), Memento_PostSize); memset(MEMBLK_POSTPTR(newmemblk), MEMENTO_POSTFILL, Memento_PostSize); + VALGRIND_MAKE_MEM_UNDEFINED(MEMBLK_POSTPTR(newmemblk), Memento_PostSize); #endif Memento_addBlockHead(&globals.used, newmemblk, 2); return MEMBLK_TOBLK(newmemblk); |