| Message ID | 20220320134739.28728-3-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 8173a6c130cae04d947fa76007cddfdc591f2583 |
| Headers | show |
| Series | [FFmpeg-devel,1/4] avformat/alp: Check num_channels | expand |
| Context | Check | Description |
|---|---|---|
| yinshiyou/make_loongarch64 | success | Make finished |
| yinshiyou/make_fate_loongarch64 | success | Make fate finished |
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);
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> --- libavformat/apm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)