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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-10-03 19:33:01 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-10-03 19:47:43 +0200 |
| commit | 75f5fe165cedc63ea89514b3e9f6da67fd1038ec (patch) | |
| tree | c138bd908a7bfbdc795ad9ee2504e6961a46054e | |
| parent | 665f70209a95b573f1b2b35851d00298f04ffd0f (diff) | |
| download | ffmpeg-75f5fe165cedc63ea89514b3e9f6da67fd1038ec.tar.gz | |
avcodec/cinepak: fix integer underflow
Fixes out of array access
Fixes: asan_heap-oob_4da0ba_6_asan_heap-oob_4da0ba_241_cvid_crash.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit e7e5114c506957f40aafd794e06de1a7e341e9d5)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/cinepak.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/cinepak.c b/libavcodec/cinepak.c index 5bd3f1349b..ce0f1a9db8 100644 --- a/libavcodec/cinepak.c +++ b/libavcodec/cinepak.c @@ -134,7 +134,7 @@ static int cinepak_decode_vectors (CinepakContext *s, cvid_strip *strip, const uint8_t *eod = (data + size); uint32_t flag, mask; uint8_t *cb0, *cb1, *cb2, *cb3; - unsigned int x, y; + int x, y; char *ip0, *ip1, *ip2, *ip3; flag = 0; |