From mboxrd@z Thu Jan 1 00:00:00 1970 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 B8BF217BD8 for ; Sat, 20 Apr 2024 09:22:16 +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=1713604938; cv=none; b=bSGcyxD6RcYFM5qF50ZUxCAuTyblksl/3D7EcxZUT+TmkKrxTqgTuE7Rh0fXTfGKMLS/wGnDi+O+fFul8f0mS191Z1jfnH/+GhEwQT5LmkmdXwHfsO4UDdJqF/WZYlggqJd/ZBcf1CT0VQZ6CjKq2KMh90EwZ11fCwcFmZrfNu0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713604938; c=relaxed/simple; bh=HmvUXRk6KWF8pkj/3bMmqxGVWO5zIq4abz7LDPgnwg8=; h=Message-ID:Date:MIME-Version:Subject:From:To:References: In-Reply-To:Content-Type; b=B8hnWReB7XCzsrH+YPZx3a19PmHMM5FKFth0UbWX2/Ou3ZBnr7lA1FnP8BsEG4wppvlnLSegDo0yzzyviARF8szwUhT5EzFK3e+vsqj6Zqz5+F8iF69B0Um4LNh3cZyNj0g0siHsr1kTx7TaHiVVtA7U8c11W/WoiYbKZdDzkdk= 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 fsav120.sakura.ne.jp (fsav120.sakura.ne.jp [27.133.134.247]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 43K9MAAJ049708; Sat, 20 Apr 2024 18:22:10 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav120.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav120.sakura.ne.jp); Sat, 20 Apr 2024 18:22:10 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav120.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 43K9MAAr049703 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Sat, 20 Apr 2024 18:22:10 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: <6585d53b-106a-4673-beb6-1888567fd695@I-love.SAKURA.ne.jp> Date: Sat, 20 Apr 2024 18:22:10 +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?] upstream boot error: WARNING: refcount bug in __free_pages_ok From: Tetsuo Handa To: syzbot , linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000cfd4800613fe79b1@google.com> <1533d619-20c4-4f0d-a29e-7342d8f54c9c@I-love.SAKURA.ne.jp> Content-Language: en-US In-Reply-To: <1533d619-20c4-4f0d-a29e-7342d8f54c9c@I-love.SAKURA.ne.jp> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit #syz fix: mm,page_owner: fix refcount imbalance