From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.ffmpeg.org (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id 5F8894EE85 for ; Wed, 18 Feb 2026 12:50:12 +0000 (UTC) Authentication-Results: ffbox; dkim=fail (body hash mismatch (got b'oiAUgLODpayU2jpgmLAgIK+MdVYBkcwp2OQbQXGM1yI=', expected b'XJBu1pow7sMgccYqZyRvfHPnMYT2OtHHnYNS4TyiN9A=')) header.d=ffmpeg.org header.i=@ffmpeg.org header.a=rsa-sha256 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ffmpeg.org; i=@ffmpeg.org; q=dns/txt; s=mail; t=1771419007; h=mime-version : to : date : message-id : reply-to : subject : list-id : list-archive : list-archive : list-help : list-owner : list-post : list-subscribe : list-unsubscribe : from : cc : content-type : content-transfer-encoding : from; bh=oiAUgLODpayU2jpgmLAgIK+MdVYBkcwp2OQbQXGM1yI=; b=sbnxHUYB22m8FGF9/17hp2ZfT+83FLDwYd/XToGfuvEQCkBzyuynSV1aN/SCQuQ5DxI4M Fo+CF1Nqic1kwrzOlTshqCv3rKzpHCYD+ptALsc3CV6WkUWBQDSUCtI8XsBdDdMJhrxWGqP A7XuERTWZ8dqEbqQnojPm0fYAVftF0KD3D94KqLO9Y/0RRIBmbzLSaYTXK1zX8TcbMerLfL DEwPi1W7VfLcBpGPDx3waFnZTpYSl2IHh5kgQK+ZDJV4cqJ9xamsNkCsqk15e5kzF/wCrq3 fyLFXh1DBQlrK4+AOv5OX7SsQ7RkLgGcxYJMD5Ox+VCHA3Io5Z0LN2gFBWAQ== Received: from [172.18.0.3] (unknown [172.18.0.3]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id BB1D06911F7; Wed, 18 Feb 2026 14:50:07 +0200 (EET) ARC-Seal: i=1; cv=none; a=rsa-sha256; d=ffmpeg.org; s=arc; t=1771418993; b=gGGFAFWsZ8wy1B2r5Ozll7BhtREWTItVMxLOsHeF7MU1FAhS/sUKhDn1tAM3GnLXvuo92 9ib+8cgvD9M+SPNLIbR+okspBAlJI+UKrqymbXxL7M2+NCys+eQnHpY1cDwp2m5LA4BFRyz 2sBKHS//H4g/l9ierQm9kaVhjnZjj0mjzdeujueB7YdSfZ7rAcTB4psg4S6bIfM4Ve0WqBc izkgHeea24j45uB9j4OfLdHisYmOvC/HIzcfRYHl8Da/qXQVhoOevEEEFkhlTt3erOPLZEQ 1xWH8tqy1GS6LFSHaFu/mZ4zElT4JW1W52af9JcjYRHrKSqrrRHElKO4ev2A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=ffmpeg.org; s=arc; t=1771418993; h=from : sender : reply-to : subject : date : message-id : to : cc : mime-version : content-type : content-transfer-encoding : content-id : content-description : resent-date : resent-from : resent-sender : resent-to : resent-cc : resent-message-id : in-reply-to : references : list-id : list-help : list-unsubscribe : list-subscribe : list-post : list-owner : list-archive; bh=96UyHW2Qp4EY/jIuqv8eB7HP9Pwx3FTqq9TDrukrVc4=; b=J8owZigWN5o6fIGZt8WGKBT4zSVO4fJxW9kYKluWc/L99ILKDsmqqzzbc2CFL9dCm+qiv 7Vt+TnK5IRq5t6mKkRytFffDrFY87mTfm9nd8EKxkQJGyNxlvrAPWC5v4gxtCVp4O/BFIeq ldmTKhQimTtvOuQQWWhepdYF0+l3ZB/d6s6jFy4ImDqt1d47ZKBXNoyBzngem7JYjUYphJ6 01tcUKGqeBA5wFv9tBXuSCMDfTmxLla4h13A97ngp4Fwah9HBQzoBRe5ht4lkxmNedbJeFQ v1WnXPvoWqJYF/8JaGU79t563D/W6p6fCCM9QYY1V0cXtsXqo/VlyQ2Yjb/w== ARC-Authentication-Results: i=1; ffmpeg.org; dkim=pass header.d=ffmpeg.org header.i=@ffmpeg.org; arc=none; dmarc=pass header.from=ffmpeg.org policy.dmarc=quarantine Authentication-Results: ffmpeg.org; dkim=pass header.d=ffmpeg.org header.i=@ffmpeg.org; arc=none (Message is not ARC signed); dmarc=pass (Used From Domain Record) header.from=ffmpeg.org policy.dmarc=quarantine DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ffmpeg.org; i=@ffmpeg.org; q=dns/txt; s=mail; t=1771418986; h=content-type : mime-version : content-transfer-encoding : from : to : reply-to : subject : date : from; bh=XJBu1pow7sMgccYqZyRvfHPnMYT2OtHHnYNS4TyiN9A=; b=BBdBTQnKHN3grE0idiRGmb1PF4KqSWA5xO3FIe7fub4k5Omg9trtpLxzOnmvtTxSt+39h U0w2bRzJQy81WNzIAwHNFqPEnNKXI76G2sGFielghd6EiQuXvGuCay4WpvffYyYIDfDxODp qiG+/Lqs3MM7/kmArEi1YcFnCi8CvwUyiZT4QKQE5jm51Az9m4FyOeG/LJefqoXq53MD7bH a7/5Z3TE9CqBD0IVYY0KJoTJL/i6JtcvR81c06UrDvl7TszRWUvMJxwl8iYKxdE+bE8nPB+ uhwsBtv9h7QKaq62S16OzC7DREYafZ40v/nup/JCLwqw6t4Kke7MZmV/3NdQ== Received: from c8d966988b92 (code.ffmpeg.org [188.245.149.3]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTPS id 9469868FF20 for ; Wed, 18 Feb 2026 14:49:46 +0200 (EET) MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Date: Wed, 18 Feb 2026 12:49:46 -0000 Message-ID: <177141898674.25.407871778758215503@29965ddac10e> Message-ID-Hash: S4AVVS54GWRLNEMQPPQZBDE25YMRWYJK X-Message-ID-Hash: S4AVVS54GWRLNEMQPPQZBDE25YMRWYJK X-MailFrom: code@ffmpeg.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-ffmpeg-devel.ffmpeg.org-0; header-match-ffmpeg-devel.ffmpeg.org-1; header-match-ffmpeg-devel.ffmpeg.org-2; header-match-ffmpeg-devel.ffmpeg.org-3; emergency; member-moderation X-Mailman-Version: 3.3.10 Precedence: list Reply-To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PR] avcodec/hevc/ps: Check bit_depth_cm in/out relation (PR #21783) List-Id: FFmpeg development discussions and patches Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: michaelni via ffmpeg-devel Cc: michaelni Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: PR #21783 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21783 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21783.patch Fixes: Assertion n>0 && n<=25 failed at ./libavcodec/get_bits.h:3 Fixes: 472463689/clusterfuzz-testcase-minimized-ffmpeg_dem_HXVS_fuzzer-6012944883449856 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer >>From 380104efd0590f7447958d9d4038c7a47efeea6f Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 16 Feb 2026 01:38:53 +0100 Subject: [PATCH] avcodec/hevc/ps: Check bit_depth_cm in/out relation Fixes: Assertion n>0 && n<=25 failed at ./libavcodec/get_bits.h:3 Fixes: 472463689/clusterfuzz-testcase-minimized-ffmpeg_dem_HXVS_fuzzer-6012944883449856 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/hevc/ps.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/hevc/ps.c b/libavcodec/hevc/ps.c index 9f7a61e794..46b38564d5 100644 --- a/libavcodec/hevc/ps.c +++ b/libavcodec/hevc/ps.c @@ -1826,6 +1826,10 @@ static int colour_mapping_table(GetBitContext *gb, AVCodecContext *avctx, HEVCPP pps->luma_bit_depth_cm_output = get_ue_golomb(gb) + 8; pps->chroma_bit_depth_cm_output = get_ue_golomb(gb) + 8; + if ( pps-> luma_bit_depth_cm_output < pps-> luma_bit_depth_cm_input + || pps->chroma_bit_depth_cm_output < pps->chroma_bit_depth_cm_input) + return AVERROR_INVALIDDATA; + pps->cm_res_quant_bits = get_bits(gb, 2); pps->cm_delta_flc_bits = get_bits(gb, 2) + 1; -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org