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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-03-20 00:01:16 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-03-27 11:59:51 +0200 |
| commit | 8173a6c130cae04d947fa76007cddfdc591f2583 (patch) | |
| tree | b9f716262a9a4188c990eb400684b64caf6052c1 /libavformat | |
| parent | 7ec28e1d4cef723485f50f7a08859752b79b570c (diff) | |
avformat/apm: Check channels
Fixes: division by 0
Fixes: 45643/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4957777905188864.fuzz
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/apm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/apm.c b/libavformat/apm.c index 91eea86a57..baf7d2f941 100644 --- a/libavformat/apm.c +++ b/libavformat/apm.c @@ -140,7 +140,7 @@ static int apm_read_header(AVFormatContext *s) if (par->bits_per_coded_sample != 4) return AVERROR_INVALIDDATA; - if (channels > 2) + if (channels > 2 || channels == 0) return AVERROR_INVALIDDATA; av_channel_layout_default(&par->ch_layout, channels); |