Module: libav Branch: master Commit: 816e5b997028c8215c804b1e58b2388592ed612b
Author: Luca Barbato <[email protected]> Committer: Luca Barbato <[email protected]> Date: Sat Jan 11 11:32:07 2014 +0100 hevc: Reject impossible slice segment A dependent slice cannot have address 0. Prevent an out of array bound load in ff_hevc_cabac_init(). Sample-Id: 00001406-google Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: [email protected] --- libavcodec/hevc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c index 859b2ab..bc89b17 100644 --- a/libavcodec/hevc.c +++ b/libavcodec/hevc.c @@ -779,6 +779,11 @@ static int hls_slice_header(HEVCContext *s) sh->slice_ctb_addr_rs = sh->slice_segment_addr; + if (!s->sh.slice_ctb_addr_rs && s->sh.dependent_slice_segment_flag) { + av_log(s->avctx, AV_LOG_ERROR, "Impossible slice segment.\n"); + return AVERROR_INVALIDDATA; + } + s->HEVClc.first_qp_group = !s->sh.dependent_slice_segment_flag; if (!s->pps->cu_qp_delta_enabled_flag) _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
