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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-04-27 22:16:51 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-07-12 21:55:22 +0200 |
| commit | f7dd408d64013ae177c1f8d0e04418e5075db5bc (patch) | |
| tree | f42f12fa525b3b7c6a263ebd057e61fe610f6d9a | |
| parent | 1537f40516d625fc5fa57db4fdfb737312fbc500 (diff) | |
| download | ffmpeg-f7dd408d64013ae177c1f8d0e04418e5075db5bc.tar.gz | |
avcodec/h264dec: Skip late SEI
Fixes: Race condition
Fixes: clusterfuzz-testcase-minimized-mediasource_MP2T_AVC_pipeline_integration_fuzzer-6282675434094592
Found-by: google ClusterFuzz
Tested-by: Dan Sanders <sandersd@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/h264dec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/h264dec.c b/libavcodec/h264dec.c index d80bc6b17f..2a5b53ea56 100644 --- a/libavcodec/h264dec.c +++ b/libavcodec/h264dec.c @@ -672,6 +672,10 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size) avpriv_request_sample(avctx, "data partitioning"); break; case H264_NAL_SEI: + if (h->setup_finished) { + avpriv_request_sample(avctx, "Late SEI"); + break; + } ret = ff_h264_sei_decode(&h->sei, &nal->gb, &h->ps, avctx); h->has_recovery_point = h->has_recovery_point || h->sei.recovery_point.recovery_frame_cnt != -1; if (avctx->debug & FF_DEBUG_GREEN_MD) |