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 1504646973 for ; Sat, 19 Jul 2025 03:24:18 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id 2430268C044; Sat, 19 Jul 2025 06:24:13 +0300 (EEST) Received: from mail-oi1-f171.google.com (mail-oi1-f171.google.com [209.85.167.171]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTPS id 69F8268B6AC for ; Sat, 19 Jul 2025 06:24:06 +0300 (EEST) Received: by mail-oi1-f171.google.com with SMTP id 5614622812f47-41cfa50c73dso1524390b6e.0 for ; Fri, 18 Jul 2025 20:24:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1752895444; x=1753500244; darn=ffmpeg.org; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc:subject:date:message-id:reply-to; bh=a1TQgsXpscARLeNd2Qd7XoU3/ss6WFIWj1jMQtpfqtk=; b=HoSfTnEQYEnHM+hp7/kJOnOluP8zr4ZH/SV8PwZxrfIUd8MzXbUQU5sag3DUdl8OwC /D/S7c3rUZAUOVxur+Gae56WzocIYhYp435SSifEFZPmWYhU3Q/1xw+YUBLbGzYpmbMO 1xuOn9btYvSJjnzBld7lQ3FGN0Qw6mG/nry4nT2wonMphmkk6GG0Qugr1USphplA03nE hNmozSIrAppPLW4KNyFXtGsgmlHGN4u9qUsukbI6nS1d448yQP76NCr0xwAyA3U4/klI 9svTmHMz5YNMCZtAdJC7aPtJwSXsJAm0iHOoBczL9P8SPnWDnBDno/a9WdlGsNI8pW9Y vwJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752895444; x=1753500244; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=a1TQgsXpscARLeNd2Qd7XoU3/ss6WFIWj1jMQtpfqtk=; b=l3RAIWdqS7Ix4WtV9eHb0O/vAOLPiNxDp+lxQbYag4sgfcObsyPKbubsBzYSPLWdfF oPVwpmSsz83ZkJZndWRVJblDOIlmPcIVYQZ4acpwXQWzSQZKDMbAg+TRS6OWWltiJHAP etUKtmfTDszaXOGqp2T1JjYGAGeqBM0Lbw7hmDj1oWU88oQTem1zClV8km7LYt2Y1DgE rCMSz6jD6TLzxStlMouNuvhnz2ih0kfNhpAnDqO3nZcnK21GS8bdMZO2ce1AjMWFF0pv VRjzP6k4iHmOzycdxjMUoMxNoEiQ1nHGcL3z3e3xudzieIYiWuTig3XEGHQIuxn6R+Eh XxiA== X-Gm-Message-State: AOJu0YzyauE546IFSHOHDe1ipsnF9OhBg35mtUHPqYLwxpI1cs1LXNlq u4eVRoYeGvR6sVXJaJ/AW70hzCVYWL5/zgfnkjnV2GwTt9M4fqOwJRuhutALEw== X-Gm-Gg: ASbGncsgn9qGTrYIVh5JNkpj89E4yq+hqzmSGCJCpXNDyyqjn3wFtENW/37hU/XcopZ NZZrOB1pGtS88SWTE5K9vhXQVYQ/HNeML4PX9VdhLAVQ5E4lgdvdMoCDEMGJNuiPXrXcQ+z1DAy kWjXWT1OAB5enmm7flFiKh6V9O4svsmD8lzT20t2VS9/NTcc/1OX9Va4lEicbzYwUGqT4K4/Gqk Zk0YwU6mWpvHJBWTKlyy2FTjb0+X+GoA9T13kO3GJ/9Dqp+BcUo7AxA8Q3oEMC9/oYSEbvfRSh/ lRMa9PwU+Rv7BcllWgLlUXnllCURaFoOBNmUbVsqhWRAwxh9xNKVijx54/DutPl9lr6EVOH5ULE DyA3raT3incb07iwzAVk= X-Google-Smtp-Source: AGHT+IFDw4JlvT/xIKsDOE33M1+f6VbkzXFWI4d3R7Jz+Z5FFlJRIY/syxBDNf7okhl1QfPcvsE8rA== X-Received: by 2002:a05:6808:17a2:b0:406:67b7:8b62 with SMTP id 5614622812f47-41e4748ed00mr5658808b6e.38.1752895443949; Fri, 18 Jul 2025 20:24:03 -0700 (PDT) Received: from Gryph ([2800:2121:b000:82e:e8d6:73cc:c016:88b6]) by smtp.gmail.com with ESMTPSA id 5614622812f47-41fd507c548sm855419b6e.33.2025.07.18.20.24.01 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Jul 2025 20:24:02 -0700 (PDT) From: James Almer To: ffmpeg-devel@ffmpeg.org Date: Sat, 19 Jul 2025 00:23:47 -0300 Message-ID: <20250719032347.10012-1-jamrial@gmail.com> X-Mailer: git-send-email 2.50.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] avcodec/ffv1dec: don't add offsets to more NULL pointers X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Fixes: libavcodec/ffv1dec.c:453:43: runtime error: applying zero offset to null pointer Signed-off-by: James Almer --- libavcodec/ffv1dec.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index d613aa5395..cf5ca1bae3 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -442,16 +442,20 @@ static int decode_slice(AVCodecContext *c, void *arg) decode_plane(f, sc, &gb, p->data[0] + ps*x + y*p->linesize[0] , width, height, p->linesize[0], 0, 0, 2, ac); decode_plane(f, sc, &gb, p->data[0] + ps*x + y*p->linesize[0] + (ps>>1), width, height, p->linesize[0], 1, 1, 2, ac); } else if (f->use32bit) { - uint8_t *planes[4] = { p->data[0] + ps * x + y * p->linesize[0], - p->data[1] + ps * x + y * p->linesize[1], - p->data[2] + ps * x + y * p->linesize[2] }; + uint8_t *planes[4] = { p->data[0] + ps * x + y * p->linesize[0] }; + if (f->chroma_planes) { + planes[1] = p->data[1] + ps * x + y * p->linesize[1]; + planes[2] = p->data[2] + ps * x + y * p->linesize[2]; + } if (f->transparency) planes[3] = p->data[3] + ps * x + y * p->linesize[3]; decode_rgb_frame32(f, sc, &gb, planes, width, height, p->linesize); } else { - uint8_t *planes[4] = { p->data[0] + ps * x + y * p->linesize[0], - p->data[1] + ps * x + y * p->linesize[1], - p->data[2] + ps * x + y * p->linesize[2] }; + uint8_t *planes[4] = { p->data[0] + ps * x + y * p->linesize[0] }; + if (f->chroma_planes) { + planes[1] = p->data[1] + ps * x + y * p->linesize[1]; + planes[2] = p->data[2] + ps * x + y * p->linesize[2]; + } if (f->transparency) planes[3] = p->data[3] + ps * x + y * p->linesize[3]; decode_rgb_frame(f, sc, &gb, planes, width, height, p->linesize); -- 2.50.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".