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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-02-08 14:29:02 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-02-09 19:37:27 +0100 |
| commit | 7e5034f97e41d3f8112c1f8da3b5274ab99ef6f8 (patch) | |
| tree | edfce610e7a6c3e1caa4da0bd6ef167c3da7d900 /libavformat/3dostr.c | |
| parent | d7cb8c51f05a2a73e899d88348d92c0f5f72d2fd (diff) | |
avformat/3dostr: Check sample_rate
Fixes: signed integer overflow: -1268324762623155200 * 8 cannot be represented in type 'long'
Fixes: 30123/clusterfuzz-testcase-minimized-ffmpeg_dem_THREEDOSTR_fuzzer-6710765123928064
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/3dostr.c')
| -rw-r--r-- | libavformat/3dostr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/3dostr.c b/libavformat/3dostr.c index 2a35d661c3..534f205fc4 100644 --- a/libavformat/3dostr.c +++ b/libavformat/3dostr.c @@ -103,7 +103,7 @@ static int threedostr_read_header(AVFormatContext *s) st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; st->codecpar->sample_rate = avio_rb32(s->pb); st->codecpar->channels = avio_rb32(s->pb); - if (st->codecpar->channels <= 0) + if (st->codecpar->channels <= 0 || st->codecpar->sample_rate <= 0) return AVERROR_INVALIDDATA; codec = avio_rl32(s->pb); avio_skip(s->pb, 4); |