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

[Nuo Mi]

On Wed, Oct 16, 2024 at 8:20 PM Nuo Mi <nuomi2021 at gmail.com> wrote:

>
>
> On Mon, Oct 14, 2024 at 11:25 PM Nuo Mi <nuomi2021 at gmail.com> wrote:
>
>> 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
>> <https://github.com/google/oss-fuzz/tree/master/projects/ffmpegReported-by>:
>> Michael Niedermayer <michael at niedermayer.cc>
>>
> will apply.
>
merged.

> Thank you
>
>> ---
>>  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
>>
>>