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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-12-26 11:50:28 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-01-05 02:00:05 +0100 |
| commit | 66deab3a2609aa9462709c82be5d4efbb6af2a08 (patch) | |
| tree | 63974534b804c037c3ae06bf4d7f7a2120f6070c | |
| parent | 7ce40dde03ea56684f2cb6b40991a90bc38c3ad9 (diff) | |
avformat/vividas: Check number of audio channels
Fixes: division by 0
Fixes: 28597/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-5752201490333696
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/vividas.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/vividas.c b/libavformat/vividas.c index 96e0631b06..d745770dc4 100644 --- a/libavformat/vividas.c +++ b/libavformat/vividas.c @@ -373,7 +373,7 @@ static int track_header(VividasDemuxContext *viv, AVFormatContext *s, uint8_t * avio_rl16(pb); //codec_subid st->codecpar->channels = avio_rl16(pb); // channels st->codecpar->sample_rate = avio_rl32(pb); // sample_rate - if (st->codecpar->sample_rate <= 0) + if (st->codecpar->sample_rate <= 0 || st->codecpar->channels <= 0) return AVERROR_INVALIDDATA; avio_seek(pb, 10, SEEK_CUR); // data_1 q = avio_r8(pb); |