ffmpeg | branch: release/3.1 | Michael Niedermayer <mich...@niedermayer.cc> | Wed May 31 22:02:07 2017 +0200| [317690375e78904e8bd11f4c0f46d8ddf29a8b65] | committer: Michael Niedermayer
avcodec/hevc_ps: Fix runtime error: signed integer overflow: 2147483628 + 256 cannot be represented in type 'int' Fixes: 1909/clusterfuzz-testcase-minimized-6732072662073344 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 6726328f7940a76c43b4d97ac37ababf363d042f) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=317690375e78904e8bd11f4c0f46d8ddf29a8b65 --- libavcodec/hevc_ps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c index 83f2ec2bac..895046722f 100644 --- a/libavcodec/hevc_ps.c +++ b/libavcodec/hevc_ps.c @@ -738,7 +738,7 @@ static int scaling_list_data(GetBitContext *gb, AVCodecContext *avctx, ScalingLi ff_hevc_diag_scan8x8_x[i]; scaling_list_delta_coef = get_se_golomb(gb); - next_coef = (next_coef + scaling_list_delta_coef + 256) % 256; + next_coef = (next_coef + 256U + scaling_list_delta_coef) % 256; sl->sl[size_id][matrix_id][pos] = next_coef; } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
