FFmpeg/libavcodec
Michael Niedermayer 50ac656fdd avcodec/rasc: Check frame before clearing
Fixes: null pointer dereference
Fixes: 27737/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RASC_fuzzer-5769028685266944

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 380a3a0adfae7aa898d2ec8a5b0d5cd949a11111)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
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