ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Oct 18 01:50:25 2023 +0200| [5feceed0082c74a3a8e9426dd590c8c61a0c8b88] | committer: Michael Niedermayer
avcodec/hevc_ps: Check cpb_cnt_minus1 before storing it Fixes: index 32 out of bounds for type 'uint32_t [32]' Fixes: 63003/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4685160840560640 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=5feceed0082c74a3a8e9426dd590c8c61a0c8b88 --- libavcodec/hevc_ps.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c index a6b64b92e3..fb997066d9 100644 --- a/libavcodec/hevc_ps.c +++ b/libavcodec/hevc_ps.c @@ -417,12 +417,13 @@ static int decode_hrd(GetBitContext *gb, int common_inf_present, hdr->flags.low_delay_hrd_flag = get_bits1(gb); if (!hdr->flags.low_delay_hrd_flag) { - hdr->cpb_cnt_minus1[i] = get_ue_golomb_long(gb); - if (hdr->cpb_cnt_minus1[i] > 31) { + unsigned cpb_cnt_minus1 = get_ue_golomb_long(gb); + if (cpb_cnt_minus1 > 31) { av_log(NULL, AV_LOG_ERROR, "nb_cpb %d invalid\n", - hdr->cpb_cnt_minus1[i]); + cpb_cnt_minus1); return AVERROR_INVALIDDATA; } + hdr->cpb_cnt_minus1[i] = cpb_cnt_minus1; } if (hdr->flags.nal_hrd_parameters_present_flag) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
