Fixes: infinite loop Fixes: 26440/clusterfuzz-testcase-minimized-ffmpeg_dem_GENH_fuzzer-5632134020333568
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/genh.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/genh.c b/libavformat/genh.c index 61adf49964..544d063aa4 100644 --- a/libavformat/genh.c +++ b/libavformat/genh.c @@ -144,6 +144,9 @@ static int genh_read_header(AVFormatContext *s) } } + if (st->codecpar->block_align <= 0) + return AVERROR_INVALIDDATA; + avio_skip(s->pb, start_offset - avio_tell(s->pb)); avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate); -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
