From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id C6C0D4B2F7 for ; Mon, 3 Jun 2024 13:06:52 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id BE81468D682; Mon, 3 Jun 2024 16:06:49 +0300 (EEST) Received: from sender-op-o11.zoho.eu (sender-op-o11.zoho.eu [136.143.169.11]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 8B3EA68D5FF for ; Mon, 3 Jun 2024 16:06:42 +0300 (EEST) ARC-Seal: i=1; a=rsa-sha256; t=1717419999; cv=none; d=zohomail.eu; s=zohoarc; b=PW2SBhrA9G1IHdb/9F4gEMtK/P9EV0MY+5XQ1TuFG0Tm5qX4uznq4LSkr3T6frYQTSvhQ8xZIK27A7OqU2m6bdfndQW3BpYUs/3n60Pqq5tfvGmTWR58dONV5kkaZbvggX5vsTt3+S0gwkFsNGdbKaLm5pG6x5BO5jNgbCBgCLU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.eu; s=zohoarc; t=1717419999; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=JCMzJ6D2gHo/KnLtPsN6Nh9Ht7hp/XUu8Yp0HijPNPk=; b=BxYpcsxq3ZTK0a58o1ud5eDI8JJYCeejdt6+XVzG4ucB94Ff878/ZD+aEWTLSooZoE+iKZ/HgXfnVgPODboXFE3M+UkhOJGiLl2I5jW28S1smr8+xuuuJMPONzI+tTnjEWrpsSfq7qbUYaCC3ETHMlf3+8yvKzYoAEvauCWL+m4= ARC-Authentication-Results: i=1; mx.zohomail.eu; dkim=pass header.i=frankplowman.com; spf=pass smtp.mailfrom=post@frankplowman.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1717419999; s=zmail; d=frankplowman.com; i=post@frankplowman.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=JCMzJ6D2gHo/KnLtPsN6Nh9Ht7hp/XUu8Yp0HijPNPk=; b=I1rGpjTyrdUfN1QCFvlsIIhxLvUBkWgm62Kk1GaSWv3M6XyQ/PuiQonzu26xX8g2 WmQ4JgCTl9ebl9EM6OakvirK3nPc6p3rrQgfWswJM2nxVo53VChFk+Xrh+zIkNOrUpE lhHvLNvmaVGgqSVFNxs+w43Er7KIDZI4wX9YjOlY= Received: by mx.zoho.eu with SMTPS id 1717419998281909.8374483829011; Mon, 3 Jun 2024 15:06:38 +0200 (CEST) From: Frank Plowman To: ffmpeg-devel@ffmpeg.org Date: Mon, 3 Jun 2024 14:06:35 +0100 Message-ID: <20240603130635.16140-1-post@frankplowman.com> X-Mailer: git-send-email 2.45.1 MIME-Version: 1.0 X-ZohoMailClient: External Subject: [FFmpeg-devel] [PATCH] lavc/vvc: Reallocate pixel buffers if pixel shift changes 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 Cc: Frank Plowman 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: Allocations in the following lines depend on the pixel shift, and so these buffers must be reallocated if the pixel shift changes. Patch fixes segmentation faults in fuzzed bitstreams. Signed-off-by: Frank Plowman --- libavcodec/vvc/dec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/vvc/dec.c b/libavcodec/vvc/dec.c index e53ad4e607..f5603306f3 100644 --- a/libavcodec/vvc/dec.c +++ b/libavcodec/vvc/dec.c @@ -214,7 +214,8 @@ static void pixel_buffer_nz_tl_init(TabList *l, VVCFrameContext *fc) const int c_end = chroma_idc ? VVC_MAX_SAMPLE_ARRAYS : 1; const int changed = fc->tab.sz.chroma_format_idc != chroma_idc || fc->tab.sz.width != width || fc->tab.sz.height != height || - fc->tab.sz.ctu_width != ctu_width || fc->tab.sz.ctu_height != ctu_height; + fc->tab.sz.ctu_width != ctu_width || fc->tab.sz.ctu_height != ctu_height || + fc->tab.sz.pixel_shift != ps; tl_init(l, 0, changed); -- 2.45.1 _______________________________________________ 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".