Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int' Fixes: 27369/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOBICLIP_fuzzer-5083469356728320
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/mobiclip.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/mobiclip.c b/libavcodec/mobiclip.c index 9fa88e84a0..8504959b22 100644 --- a/libavcodec/mobiclip.c +++ b/libavcodec/mobiclip.c @@ -1146,6 +1146,8 @@ static int predict_motion(AVCodecContext *avctx, mv.x = mv.x + get_se_golomb(gb); mv.y = mv.y + get_se_golomb(gb); } + if (mv.x >= INT_MAX || mv.y >= INT_MAX) + return AVERROR_INVALIDDATA; motion[offsetm].x = mv.x; motion[offsetm].y = mv.y; -- 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".
