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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-09-25 20:08:37 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-09-26 19:32:42 +0200 |
| commit | abebd87764992dc22c82802bdc75d40aac14ab86 (patch) | |
| tree | 85fa6408a674a134d6070ba7b136c800e8bce2ca /libavcodec/dxtory.c | |
| parent | c3d1c7f903892455161fa1f722e01a7eaf2c6451 (diff) | |
| download | ffmpeg-abebd87764992dc22c82802bdc75d40aac14ab86.tar.gz | |
avcodec/dxtory: Fix negative shift in dx2_decode_slice_410()
Fixes: left shift of negative value -768
Fixes: 25574/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-6012596027916288
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/dxtory.c')
| -rw-r--r-- | libavcodec/dxtory.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/dxtory.c b/libavcodec/dxtory.c index a82532c467..bc95e0e7e1 100644 --- a/libavcodec/dxtory.c +++ b/libavcodec/dxtory.c @@ -637,7 +637,7 @@ static int dx2_decode_slice_410(GetBitContext *gb, AVFrame *frame, V[huvborder] = decode_sym(gb, lru[2]) ^ 0x80; } - Y += ystride << 2; + Y += ystride * 4; U += ustride; V += vstride; } |