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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 19:47:33 +0200 |
| commit | 693faadd30c569d772cae2c6702895745348c5bd (patch) | |
| tree | 23109034f5cc2c040e978b456ecab5408584d8fe | |
| parent | 9806028fbba5dc7a2af6dd5b0a08057180cccc79 (diff) | |
| download | ffmpeg-693faadd30c569d772cae2c6702895745348c5bd.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 082d0b232a..d0d07bc9ef 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; |