[FFmpeg-devel] [PATCH] avcodec/vvc/thread: Check frame to be non NULL
Nuo Mi
nuomi2021 at gmail.com
Mon Oct 14 18:25:32 EEST 2024
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 at niedermayer.cc>
---
libavcodec/vvc/dec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/vvc/dec.c b/libavcodec/vvc/dec.c
index edf2607f50..522fa8416e 100644
--- a/libavcodec/vvc/dec.c
+++ b/libavcodec/vvc/dec.c
@@ -1000,7 +1000,7 @@ static int vvc_decode_frame(AVCodecContext *avctx, AVFrame *output,
if (ret < 0)
return ret;
- if (!fc->ft)
+ if (!fc->ft || !fc->ref)
return avpkt->size;
ret = submit_frame(s, fc, output, got_output);
--
2.34.1
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