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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 19:34:28 +0200 |
| commit | e7e5114c506957f40aafd794e06de1a7e341e9d5 (patch) | |
| tree | 457d05ac24e041e893eff0bd17bdaa35d36c685c /libavcodec/cinepak.c | |
| parent | e830902934a29df05c7af65aef2a480b15f572c4 (diff) | |
| download | ffmpeg-e7e5114c506957f40aafd794e06de1a7e341e9d5.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>
Diffstat (limited to 'libavcodec/cinepak.c')
| -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 4746289b76..f651c489bf 100644 --- a/libavcodec/cinepak.c +++ b/libavcodec/cinepak.c @@ -135,7 +135,7 @@ 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; |