Fixes: null pointer dereference Fixes: 27730/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CDGRAPHICS_fuzzer-6212402236096512
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/cdgraphics.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/cdgraphics.c b/libavcodec/cdgraphics.c index 965f43684a..263459d0f2 100644 --- a/libavcodec/cdgraphics.c +++ b/libavcodec/cdgraphics.c @@ -369,6 +369,9 @@ static void cdg_decode_flush(AVCodecContext *avctx) { CDGraphicsContext *cc = avctx->priv_data; + if (!cc->frame->data[0]) + return; + memset(cc->frame->data[0], 0, cc->frame->linesize[0] * avctx->height); if (!avctx->frame_number) memset(cc->frame->data[1], 0, AVPALETTE_SIZE); -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
