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[2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id wi23-20020a05620a571700b00789e3b35beesi7210231qkn.626.2024.03.26.03.17.45 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 03:17:45 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-118772-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; arc=pass (i=1 spf=pass spfdomain=i-love.sakura.ne.jp); spf=pass (google.com: domain of linux-kernel+bounces-118772-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-118772-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 529761C39F09 for ; Tue, 26 Mar 2024 10:17:45 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 851196F060; Tue, 26 Mar 2024 10:17:30 +0000 (UTC) Received: from www262.sakura.ne.jp (www262.sakura.ne.jp [202.181.97.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6D18D6E614 for ; Tue, 26 Mar 2024 10:17:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.181.97.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711448250; cv=none; b=f59PEz3pX9ImLZ/k6SeQ4FhAQNmZYkvSquXpzkcFtAMwMvWxWP9DBUmtbuZYEEzwEsCM9Fk7T+cBhUoM9ohdWb24vMeg4xQ1uOGlOOTSPTbNDoeanBPQR+stJ0WikOzahNSuM4fbgwwAJw19n1mF2GgMPRsFywjHhl1r1qr4GEo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711448250; c=relaxed/simple; bh=fYqDdIXapUBE0MxV0rIK+zXf297Qb+0D5VWup0Hvs9E=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=hPE/5xdhL5SoPMmwB5/4jkcOKv+1LqSJ7jARXWVlK1cuTs1xcnaEzixE+fKeUEnZMuoAV8F5DX8FpEY0JoYq2ko59oCPKfZsktYnmJ/6AGnFSPzFYUT4K0/UMl/Vhzw4+j19ho3N6CABJsfgjwR5Iz4C4STry7TrghKV0COU0N4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=I-love.SAKURA.ne.jp; spf=pass smtp.mailfrom=I-love.SAKURA.ne.jp; arc=none smtp.client-ip=202.181.97.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=I-love.SAKURA.ne.jp Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=I-love.SAKURA.ne.jp Received: from fsav314.sakura.ne.jp (fsav314.sakura.ne.jp [153.120.85.145]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 42QAHIBd086764; Tue, 26 Mar 2024 19:17:18 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav314.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav314.sakura.ne.jp); Tue, 26 Mar 2024 19:17:18 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav314.sakura.ne.jp) Received: from [192.168.1.6] (M106072142033.v4.enabler.ne.jp [106.72.142.33]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id 42QAHIFa086756 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Tue, 26 Mar 2024 19:17:18 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: <3491cd0a-369c-4827-95b0-eef04bad64e9@I-love.SAKURA.ne.jp> Date: Tue, 26 Mar 2024 19:17:18 +0900 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [mm?] WARNING: refcount bug in __reset_page_owner Content-Language: en-US To: syzbot , linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000015b940614004701@google.com> From: Tetsuo Handa In-Reply-To: <000000000000015b940614004701@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit #syz fix: mm,page_owner: Fix refcount imbalance