diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-11-05 14:52:33 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-11-05 15:04:57 +0100 |
| commit | 93f30f825c08477fe8f76be00539e96014cc83c8 (patch) | |
| tree | e5ac4f84268cea4637e561f01aa0ed364885fde6 /libavcodec/hevc_ps.c | |
| parent | a813cdda487e252681df36f675332b04c2e0e5a6 (diff) | |
avcodec/hevc_ps: Check chroma_format_idc
Fixes out of array access
Fixes: 24d05e8b84676799c735c9e27d97895e/asan_heap-oob_1b70f6a_2955_7c3652a7f370f9f3ef40642bc2c99bb2.bit
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/hevc_ps.c')
| -rw-r--r-- | libavcodec/hevc_ps.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c index 427cf098aa..14f908e8de 100644 --- a/libavcodec/hevc_ps.c +++ b/libavcodec/hevc_ps.c @@ -834,6 +834,10 @@ int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id, } sps->chroma_format_idc = get_ue_golomb_long(gb); + if (sps->chroma_format_idc > 3U) { + av_log(avctx, AV_LOG_ERROR, "chroma_format_idc %d is invalid\n", sps->chroma_format_idc); + return AVERROR_INVALIDDATA; + } if (sps->chroma_format_idc == 3) sps->separate_colour_plane_flag = get_bits1(gb); |