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avformat/westwood_vqa: Fix 2g packets 

Fixes: signed integer overflow: 2147483424 * 2 cannot be represented in type 'int'
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_WSVQA_fuzzer-4576211411795968

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 86f73277bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-03-26 01:00:13 +01:00
parent f1e7da6d85
commit 0af7379725
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1 changed files with 1 additions and 1 deletions
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libavformat/westwood_vqa.c
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@ -232,7 +232,7 @@ static int wsvqa_read_packet(AVFormatContext *s,
break; break;
case SND2_TAG: case SND2_TAG:
/* 2 samples/byte, 1 or 2 samples per frame depending on stereo */ /* 2 samples/byte, 1 or 2 samples per frame depending on stereo */
pkt->duration = (chunk_size * 2) / wsvqa->channels; pkt->duration = (chunk_size * 2LL) / wsvqa->channels;
break; break;
} }
break; break;