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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-16 23:44:24 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-17 20:35:20 +0200 |
| commit | dcbebc931eb94b894478b1fa604c420f98e39132 (patch) | |
| tree | e7e1fc4eb4187761c1f1c8ce7c7ddd428610a26b | |
| parent | e05148dfe6d2727f1bb08c8da385ac85ed27c0cf (diff) | |
| download | ffmpeg-dcbebc931eb94b894478b1fa604c420f98e39132.tar.gz | |
avcodec/hq_hqa: Fix: runtime error: signed integer overflow: -255 * 10180917 cannot be represented in type 'int'
Fixes: 1626/clusterfuzz-testcase-minimized-6416580571299840
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3d9cb583c8f005a260d255853ef5f1c21e8599a0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/hq_hqa.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/hq_hqa.c b/libavcodec/hq_hqa.c index b5113f3ca9..d18464769d 100644 --- a/libavcodec/hq_hqa.c +++ b/libavcodec/hq_hqa.c @@ -82,7 +82,7 @@ static int hq_decode_block(HQContext *c, GetBitContext *gb, int16_t block[64], pos += ff_hq_ac_skips[val]; if (pos >= 64) break; - block[ff_zigzag_direct[pos]] = (ff_hq_ac_syms[val] * q[pos]) >> 12; + block[ff_zigzag_direct[pos]] = (int)(ff_hq_ac_syms[val] * (unsigned)q[pos]) >> 12; pos++; } |