Fixes: OOM
Fixes: 23817/clusterfuzz-testcase-minimized-ffmpeg_BSF_H264_METADATA_fuzzer-6300869057576960
Fixes: 28055/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5706035297517568
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
memset(pkt->nals + pkt->nals_allocated, 0, sizeof(*pkt->nals));
nal = &pkt->nals[pkt->nb_nals];
- nal->skipped_bytes_pos_size = 1024; // initial buffer size
+ nal->skipped_bytes_pos_size = FFMIN(1024, extract_length/3+1); // initial buffer size
nal->skipped_bytes_pos = av_malloc_array(nal->skipped_bytes_pos_size, sizeof(*nal->skipped_bytes_pos));
if (!nal->skipped_bytes_pos)
return AVERROR(ENOMEM);