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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-11-10 22:36:25 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-12-09 21:41:15 +0100 |
| commit | b1bced5433adcf5ad743d929c788b66af9efaf24 (patch) | |
| tree | dad0e4c8b55bbe8e1670d83e86eb477040fd8993 | |
| parent | b29d351f972f801d0374ca8565cee398b8f69160 (diff) | |
| download | ffmpeg-b1bced5433adcf5ad743d929c788b66af9efaf24.tar.gz | |
avformat/vividas: Check sample_rate
Fixes: Assertion c > 0 failed at libavutil/mathematics.c
Fixes: 27001/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-5726041328582656
Fixes: 27453/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-5716060384526336
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, 2 insertions, 0 deletions
diff --git a/libavformat/vividas.c b/libavformat/vividas.c index 4adc125439..96e0631b06 100644 --- a/libavformat/vividas.c +++ b/libavformat/vividas.c @@ -373,6 +373,8 @@ 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) + return AVERROR_INVALIDDATA; avio_seek(pb, 10, SEEK_CUR); // data_1 q = avio_r8(pb); avio_seek(pb, q, SEEK_CUR); // data_2 |