| Message ID | 20220320134739.28728-1-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 2e069f6b69475683207ea05deb269f9c532633bb |
| 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 |
On Sun, Mar 20, 2022 at 02:47:36PM +0100, Michael Niedermayer wrote: > Fixes: division by 0 > Fixes: 45615/clusterfuzz-testcase-minimized-ffmpeg_dem_ALP_fuzzer-582660348405350 > Fixes: 45625/clusterfuzz-testcase-minimized-ffmpeg_dem_ALP_fuzzer-4821437943250944 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavformat/alp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply patchset [...]
diff --git a/libavformat/alp.c b/libavformat/alp.c index f2428a9e3b..40e4890a38 100644 --- a/libavformat/alp.c +++ b/libavformat/alp.c @@ -122,7 +122,7 @@ static int alp_read_header(AVFormatContext *s) par->format = AV_SAMPLE_FMT_S16; par->sample_rate = hdr->sample_rate; - if (hdr->num_channels > 2) + if (hdr->num_channels > 2 || hdr->num_channels == 0) return AVERROR_INVALIDDATA; av_channel_layout_default(&par->ch_layout, hdr->num_channels);
Fixes: division by 0 Fixes: 45615/clusterfuzz-testcase-minimized-ffmpeg_dem_ALP_fuzzer-582660348405350 Fixes: 45625/clusterfuzz-testcase-minimized-ffmpeg_dem_ALP_fuzzer-4821437943250944 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/alp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)