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h264: check that luma and chroma depth match 

Fixes out of array access

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-02-21 15:00:59 +01:00
parent 59015c1118
commit bdeb61ccc6
1 changed files with 1 additions and 1 deletions
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2
libavcodec/h264_ps.c
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@ -380,7 +380,7 @@ int ff_h264_decode_seq_parameter_set(H264Context *h){
}
sps->bit_depth_luma = get_ue_golomb(&h->gb) + 8;
sps->bit_depth_chroma = get_ue_golomb(&h->gb) + 8;
if (sps->bit_depth_luma > 14U || sps->bit_depth_chroma > 14U) {
if (sps->bit_depth_luma > 14U || sps->bit_depth_chroma > 14U || sps->bit_depth_luma != sps->bit_depth_chroma) {
av_log(h->avctx, AV_LOG_ERROR, "illegal bit depth value (%d, %d)\n",
sps->bit_depth_luma, sps->bit_depth_chroma);
goto fail;