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avcodec/vvc/thread: Check frame to be non NULL 

Fixes: NULL pointer dereference
Fixes: 71303/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VVC_fuzzer-4875859050168320

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reported-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Nuo Mi 2024-10-14 23:25:32 +08:00
parent 72e5381123
commit b611410569
1 changed files with 1 additions and 1 deletions
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libavcodec/vvc/dec.c
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@ -996,7 +996,7 @@ static int vvc_decode_frame(AVCodecContext *avctx, AVFrame *output,
if (ret < 0) if (ret < 0)
return ret; return ret;
if (!fc->ft) if (!fc->ft || !fc->ref)
return avpkt->size; return avpkt->size;
ret = submit_frame(s, fc, output, got_output); ret = submit_frame(s, fc, output, got_output);