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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-12-26 11:50:28 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-10 16:04:26 +0200 |
| commit | 7ce729649f55ac65637237cd4bc602c9576867ae (patch) | |
| tree | 39a7041c08ec22215503a4aa29ce769d85c56167 | |
| parent | 273f53e57d92ebe24ff85c1ac4b5b7a9839c97f9 (diff) | |
| download | ffmpeg-7ce729649f55ac65637237cd4bc602c9576867ae.tar.gz | |
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>
(cherry picked from commit 66deab3a2609aa9462709c82be5d4efbb6af2a08)
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 0b0b8943ee..cc486ff5cc 100644 --- a/libavformat/vividas.c +++ b/libavformat/vividas.c @@ -368,7 +368,7 @@ 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); |