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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-04-27 22:16:51 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-01 00:41:28 +0200 |
| commit | fe026fd0cba152cad783fe5b370b2dd5101fb2c9 (patch) | |
| tree | 24340c05de2162d22c78f1d909d33ae1ea837ce5 | |
| parent | 1fbd6f8d05f11a171265c51579107f45d33b4b4a (diff) | |
| download | ffmpeg-fe026fd0cba152cad783fe5b370b2dd5101fb2c9.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>
(cherry picked from commit f7dd408d64013ae177c1f8d0e04418e5075db5bc)
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 6a5bf51f5d..62c4f40517 100644 --- a/libavcodec/h264dec.c +++ b/libavcodec/h264dec.c @@ -680,6 +680,10 @@ 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) |