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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-07-23 01:46:20 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-08-02 17:31:13 +0200 |
| commit | 32556fa62b1d0615f621fd8f71bdfe3b72e43896 (patch) | |
| tree | 10a1952be6e1e5fce5f2166c23ff3b312e4cd79e /libavformat | |
| parent | 3e97d96e6f239894317fc6eb778b25ce67ce5451 (diff) | |
| download | ffmpeg-32556fa62b1d0615f621fd8f71bdfe3b72e43896.tar.gz | |
avformat/avr: Check sample rate
Fixes: 54979/clusterfuzz-testcase-minimized-ffmpeg_dem_AVR_fuzzer-6681035461230592
Fixes: Timeout
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/avr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/avr.c b/libavformat/avr.c index 1cc4d56bfb..dce977b6ac 100644 --- a/libavformat/avr.c +++ b/libavformat/avr.c @@ -70,6 +70,9 @@ static int avr_read_header(AVFormatContext *s) avio_skip(s->pb, 1); // replay speed st->codecpar->sample_rate = avio_rb24(s->pb); + if (st->codecpar->sample_rate == 0) + return AVERROR_INVALIDDATA; + avio_skip(s->pb, 4 * 3); avio_skip(s->pb, 2 * 3); avio_skip(s->pb, 20); |