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[147.75.48.161]) by mx.google.com with ESMTPS id f13-20020a170902684d00b001e003f31d59si6944404pln.137.2024.03.26.03.35.31 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 03:35:32 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-118763-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161; 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-118763-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-118763-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 sy.mirrors.kernel.org (Postfix) with ESMTPS id F2504B253B5 for ; Tue, 26 Mar 2024 10:14:34 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id ECBB26CDC4; Tue, 26 Mar 2024 10:14:15 +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 A1DC953809; Tue, 26 Mar 2024 10:14:12 +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=1711448055; cv=none; b=hqglNoeUnCu8nx2NXZr69OarQXPodpvj/TJ1bqUOnF+0fgibLmedEYua1+8egto8dNcjYnF082xWslFpqeDIBj2IWkxv87VMvxWUp1K8ErfECdUU0NlteRgpFY6QWQF7HAUwGnvl8O12syNpMMUJ0v4KfP2Y0djgrfLeBYt5I/w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711448055; c=relaxed/simple; bh=JGRP3b7RyHt0jY8rO1qj8kXKS7IMTy0Xcjt1MUCQvNQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=WvYBe7HPwUxBvMbJGPDHOO5/2qOTtQch8JpfZk1reG8IXc48f6Ruzx1xuzE7PspTugIanQng3TCv1p8N7P2GbsO9hbcSLfNaSkJgJgEOCf0L+DMtb/wJB+xLNKrd6QEML8fciCdnvyVNnkxVbsVd27K2YuHxp6GMN1Hs6n0rxUU= 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 fsav117.sakura.ne.jp (fsav117.sakura.ne.jp [27.133.134.244]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 42QADk2S086096; Tue, 26 Mar 2024 19:13:46 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav117.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav117.sakura.ne.jp); Tue, 26 Mar 2024 19:13:46 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav117.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 42QADk68086093 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Tue, 26 Mar 2024 19:13:46 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: <27e443af-398f-4e8b-8b75-b5b172546dfb@I-love.SAKURA.ne.jp> Date: Tue, 26 Mar 2024 19:13:45 +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?] usb-testing boot error: WARNING: refcount bug in __reset_page_owner Content-Language: en-US To: Oscar Salvador , syzbot Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000151f4a06148c0966@google.com> From: Tetsuo Handa In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2024/03/26 18:16, Oscar Salvador wrote: > On Tue, Mar 26, 2024 at 01:25:40AM -0700, syzbot wrote: >> Hello, >> >> syzbot found the following issue on: >> > ... >> ------------[ cut here ]------------ >> refcount_t: decrement hit 0; leaking memory. >> WARNING: CPU: 0 PID: 1 at lib/refcount.c:31 refcount_warn_saturate+0x1ed/0x210 lib/refcount.c:31 > > This is fixed by [1] > > [1] https://lore.kernel.org/linux-mm/20240326063036.6242-1-osalvador@suse.de/ > > The correct format is shown below. #syz fix: mm,page_owner: Fix refcount imbalance