ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun Jun 25 00:00:13 2017 +0200| [63e7bfe78e6d764097e845248f6d77b28b2b235c] | committer: Michael Niedermayer
avcodec/hevc_ps: Fix max_dec_buffer check Fixes: runtime error: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int' Fixes: 2339/clusterfuzz-testcase-minimized-6663164320022528 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=63e7bfe78e6d764097e845248f6d77b28b2b235c --- libavcodec/hevc_ps.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c index 0fa50a1508..6cbf40a6e0 100644 --- a/libavcodec/hevc_ps.c +++ b/libavcodec/hevc_ps.c @@ -941,9 +941,9 @@ int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id, sps->temporal_layer[i].max_dec_pic_buffering = get_ue_golomb_long(gb) + 1; sps->temporal_layer[i].num_reorder_pics = get_ue_golomb_long(gb); sps->temporal_layer[i].max_latency_increase = get_ue_golomb_long(gb) - 1; - if (sps->temporal_layer[i].max_dec_pic_buffering > HEVC_MAX_DPB_SIZE) { + if (sps->temporal_layer[i].max_dec_pic_buffering > (unsigned)HEVC_MAX_DPB_SIZE) { av_log(avctx, AV_LOG_ERROR, "sps_max_dec_pic_buffering_minus1 out of range: %d\n", - sps->temporal_layer[i].max_dec_pic_buffering - 1); + sps->temporal_layer[i].max_dec_pic_buffering - 1U); return AVERROR_INVALIDDATA; } if (sps->temporal_layer[i].num_reorder_pics > sps->temporal_layer[i].max_dec_pic_buffering - 1) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
