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 50E27125C7 for ; Sat, 20 Apr 2024 09:21:51 +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=1713604914; cv=none; b=kV65zqyxMQi9KDV1G9x6JXUXzgZQNfiL3AQjLjrHJaAy9bpsFFmGxr6ofuo7CcIKtqC0ULo7F1TCTcYFbqMF7TkOU7LHCov7q4Skxk8TFY69O9v2JvJllpDREHiJx+5AugomhWWU8Xxga09JQ3/P6QBW9TBhAJsn7NyUOZLH2es= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713604914; c=relaxed/simple; bh=HmvUXRk6KWF8pkj/3bMmqxGVWO5zIq4abz7LDPgnwg8=; h=Message-ID:Date:MIME-Version:Subject:From:To:References: In-Reply-To:Content-Type; b=gUlMHo9Bg5bIWivgLuRbHmtUwRCCfOZd9rUp6463hyPJwF3gesXQAMVZmf6TiNsFjXA2JDUZED78UApIDUEoxyfx9eTTk2ZLQw/tf0iGaHKKalspEztjAxdwaBjC2j1cfKi5ux1V+pJiwQIML5vGXUkzJ2S1gzVi8vsnNPbRi0w= 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 fsav112.sakura.ne.jp (fsav112.sakura.ne.jp [27.133.134.239]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 43K9Lju5049007; Sat, 20 Apr 2024 18:21:45 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav112.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav112.sakura.ne.jp); Sat, 20 Apr 2024 18:21:45 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav112.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 43K9LiC8049003 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Sat, 20 Apr 2024 18:21:45 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: Date: Sat, 20 Apr 2024 18:21:44 +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?] linux-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: <000000000000d305050611b50d09@google.com> <789a4e0e-d78d-4448-a568-bf3f21b9ab83@I-love.SAKURA.ne.jp> Content-Language: en-US In-Reply-To: <789a4e0e-d78d-4448-a568-bf3f21b9ab83@I-love.SAKURA.ne.jp> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit #syz fix: mm,page_owner: fix refcount imbalance