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[FFmpeg-devel] avcodec/vvc/thread: Check frame to be non NULL

Message ID 20241014152532.78427-1-nuomi2021@gmail.com
State New
Headers show
Series [FFmpeg-devel] avcodec/vvc/thread: Check frame to be non NULL | expand

Checks

Context Check Description
yinshiyou/make_loongarch64 success Make finished
yinshiyou/make_fate_loongarch64 fail Make fate failed

Commit Message

Nuo Mi Oct. 14, 2024, 3:25 p.m. UTC 
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>
---
 libavcodec/vvc/dec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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);