ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Mar 22 00:17:05 2017 +0100| [4f727fbc7330e726d003e2961fa676ddaf86f994] | committer: Michael Niedermayer
avcodec/h264_ps: Fix runtime error: signed integer overflow: 2147483647 + 26 cannot be represented in type 'int' Fixes: 902/clusterfuzz-testcase-4561155144024064 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Reviewed-by: "Ronald S. Bultje" <rsbul...@gmail.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4f727fbc7330e726d003e2961fa676ddaf86f994 --- libavcodec/h264_ps.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c index 65d164d..b78ad25 100644 --- a/libavcodec/h264_ps.c +++ b/libavcodec/h264_ps.c @@ -800,8 +800,8 @@ int ff_h264_decode_picture_parameter_set(GetBitContext *gb, AVCodecContext *avct pps->weighted_pred = get_bits1(gb); pps->weighted_bipred_idc = get_bits(gb, 2); - pps->init_qp = get_se_golomb(gb) + 26 + qp_bd_offset; - pps->init_qs = get_se_golomb(gb) + 26 + qp_bd_offset; + pps->init_qp = get_se_golomb(gb) + 26U + qp_bd_offset; + pps->init_qs = get_se_golomb(gb) + 26U + qp_bd_offset; pps->chroma_qp_index_offset[0] = get_se_golomb(gb); if (pps->chroma_qp_index_offset[0] < -12 || pps->chroma_qp_index_offset[0] > 12) { ret = AVERROR_INVALIDDATA; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
