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[2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id jm12-20020ad45ecc000000b0069b4cc974ccsi5919968qvb.598.2024.04.20.02.22.15 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 Apr 2024 02:22:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-152207-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-152207-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-152207-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 7CAB11C2093C for ; Sat, 20 Apr 2024 09:22:15 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 85F4D175AD; Sat, 20 Apr 2024 09:22:10 +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 8207C17559 for ; Sat, 20 Apr 2024 09:22:08 +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=1713604930; cv=none; b=fKZM6mMc62BYBCufjaomU+SbgLx5ObETli6nAQaJnxwYLg5VdkMD7YKbXGt162IvEKGdS6QUFCdoA8dEPUY43YNXgweGYmFA2ezNpIXSiH7iOyIbPqZx1Dy0C26ga5uj4D0TsdnDm5MV8B78yJaSafhN6X7t3gy1B+DdTvuYQ+8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713604930; c=relaxed/simple; bh=HmvUXRk6KWF8pkj/3bMmqxGVWO5zIq4abz7LDPgnwg8=; h=Message-ID:Date:MIME-Version:Subject:From:To:References: In-Reply-To:Content-Type; b=OZyap28rFciXJj9VlH1w733JcqX82mzJgXl/1+Z35uQTLBOa3fmMhaWHER63CF7VAfIwPDnMr26HtweGn4z5R0rUWOLGS94b4KXXdfmmjSz5uaj4xM0X2G3IdXImFESVpWZ1yWxxoJMCEKe1bchXK24PGs++2pGG2VLqnc12cNU= 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 fsav115.sakura.ne.jp (fsav115.sakura.ne.jp [27.133.134.242]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 43K9M1qr049580; Sat, 20 Apr 2024 18:22:01 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav115.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav115.sakura.ne.jp); Sat, 20 Apr 2024 18:22:01 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav115.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 43K9M15h049510 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Sat, 20 Apr 2024 18:22:01 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: Date: Sat, 20 Apr 2024 18:22:01 +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] [virtualization?] net-next boot error: WARNING: refcount bug in __free_pages_ok From: Tetsuo Handa To: syzbot , linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <0000000000008d4beb06143d8165@google.com> <81e0cf26-21de-4f75-9b20-3c4f4b0f6ad8@I-love.SAKURA.ne.jp> Content-Language: en-US In-Reply-To: <81e0cf26-21de-4f75-9b20-3c4f4b0f6ad8@I-love.SAKURA.ne.jp> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit #syz fix: mm,page_owner: fix refcount imbalance