diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-12-12 18:36:04 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-03-01 22:19:15 +0300 |
| commit | ee50f727158095f77a4fdadd572e3bd59ac101f2 (patch) | |
| tree | 60e21e3c0620eae9eacd5e5546793fd3b4c413ae /libavcodec/h2645_parse.c | |
| parent | 52f75181bfada2b4b127e744674591c7753c4b7d (diff) | |
avcodec/h2645_parse: Reduce the initial skipped_bytes_pos size with small inputs
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>
Diffstat (limited to 'libavcodec/h2645_parse.c')
| -rw-r--r-- | libavcodec/h2645_parse.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/h2645_parse.c b/libavcodec/h2645_parse.c index a36ef4f5a0..6fbe97ad4a 100644 --- a/libavcodec/h2645_parse.c +++ b/libavcodec/h2645_parse.c @@ -467,7 +467,7 @@ int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length, 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); |