ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Mar 19 23:28:53 2022 +0100| [2e069f6b69475683207ea05deb269f9c532633bb] | committer: Michael Niedermayer
avformat/alp: Check 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 Fixes: 45839/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5857286998851584.fuzz Fixes: 45844/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-6552705772945408 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2e069f6b69475683207ea05deb269f9c532633bb --- libavformat/alp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
