Fixes: out of array access Fixes: 69098/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG2VIDEO_fuzzer-6107989688778752
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/mpegvideo_enc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c index eda23056301..dc9a0009f53 100644 --- a/libavcodec/mpegvideo_enc.c +++ b/libavcodec/mpegvideo_enc.c @@ -1266,6 +1266,8 @@ static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg) /* shift buffer entries */ for (int i = flush_offset; i <= MAX_B_FRAMES; i++) s->input_picture[i - flush_offset] = s->input_picture[i]; + for (int i = MAX_B_FRAMES + 1 - flush_offset; i <= MAX_B_FRAMES; i++) + s->input_picture[i] = NULL; s->input_picture[encoding_delay] = pic; -- 2.45.2 _______________________________________________ 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".
