| Message ID | 20230416222518.21308-5-michael@niedermayer.cc |
|---|---|
| State | New |
| Headers | show |
| Series | [FFmpeg-devel,1/5] avcodec/pcm_rechunk_bsf: unref packet before putting a new one in | expand |
| Context | Check | Description |
|---|---|---|
| andriy/make_x86 | success | Make finished |
| andriy/make_fate_x86 | success | Make fate finished |
On Mon, Apr 17, 2023 at 12:25:18AM +0200, Michael Niedermayer wrote: > Fixes: assertion failure in bitreader > Fixes: 45982/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-627318668066816 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/hevc_ps.c | 4 ++++ > 1 file changed, 4 insertions(+) will apply with adaptions to current git master [...]
diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c index 2f505ba2f7a..d8664ebda7b 100644 --- a/libavcodec/hevc_ps.c +++ b/libavcodec/hevc_ps.c @@ -1545,6 +1545,10 @@ static int pps_scc_extension(GetBitContext *gb, AVCodecContext *avctx, pps->luma_bit_depth_entry_minus8 = get_ue_golomb(gb); if (!pps->monochrome_palette_flag) pps->chroma_bit_depth_entry_minus8 = get_ue_golomb(gb); + + if (pps->chroma_bit_depth_entry_minus8 > 8 || pps->chroma_bit_depth_entry_minus8 > 8) + return AVERROR_INVALIDDATA; + num_comps = pps->monochrome_palette_flag ? 1 : 3; for (int comp = 0; comp < num_comps; comp++) for (int i = 0; i < pps->pps_num_palette_predictor_initializers; i++)
Fixes: assertion failure in bitreader Fixes: 45982/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-627318668066816 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/hevc_ps.c | 4 ++++ 1 file changed, 4 insertions(+)