Fixes: Infinite loop
Fixes: 26016/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-6195663833137152
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
m->in_block = 0;
- if (m->flags % 2 == 0)
+ if (m->flags % 2 == 0) {
+ if (m->size <= 0)
+ return AVERROR_INVALIDDATA;
avio_seek(pb, m->pos + m->size, SEEK_SET);
+ }
}
return AVERROR_EOF;