Received: by 2002:a05:6a10:1d13:0:0:0:0 with SMTP id pp19csp594026pxb; Thu, 19 Aug 2021 06:56:03 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxx1QlQyPlASwnAd6gtroDgSYQfeoLUpG7zzaRyL1m7N7EYmB+/i7GT2tVyfHsQNhtHJXLM X-Received: by 2002:a05:6402:4d1:: with SMTP id n17mr16339568edw.337.1629381362938; Thu, 19 Aug 2021 06:56:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1629381362; cv=none; d=google.com; s=arc-20160816; b=HlOi9+BHVpUgNjtNdi9sbCUz1uDISqZBLDjbMqffTQGxTIbsCP6DnJlvoglreLgiY9 8mdchx66nA38+SNpHb9YOo+7HL45AisTSeos9eM0jaqN5uTjY3CmbiYVZFZPhjLAbutw 3yVVyhCp3tqKpn4pPXoaslsKdCEQw7/oACEa/lkUtxJ2PVXlEIhRXC8KmA64qxDPQnFh 0Irro8PtrR8TaedsbtyRLhASePps56L6b63LF4FJCfwhlt5W5DJMUzUkrGGUJ7cTA9xL w6UXeSiUoysWQwWLgcm/W0fruf7ynCmZJsUibB9365XgYbXG5KQKjqx5xnwQndx2afoo a+8A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=GYwbaeDXLrUEUjObvj+e3oguoHHPDVYHHxhmi/nNtrk=; b=bTUxc8rrX+cMYRUXUujBC2S8o6ECp0vavr5d1U/gjtxtMbcm7kpdj8tgRkowWsydY3 ovbvjgn+fkvgr4SlqPNrRKz3vs7B3jUvykWs3vlfrdtCED3lURfQi4cqw++Pi5sH5ZGr do272tZj4AyrMiNPLWouYmQqb0CCNPq50W+CYoGtB1k8VzLKtWO8rj3y5nQEBvFGTueF mKJGpr7Q7mOIyX2GtlQf5l7C4VxjbzAd7oFdZ26ZmY33Gq17OW02lD+cHDwVF3T6Eqj4 uE8HoTtsb6U4v7J7pP9hbcm1B880+W4oe1aJdWLcwxKJEbWterGejAoJCHBs0Azgvo90 N2wg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id j8si3468982ejn.202.2021.08.19.06.55.26; Thu, 19 Aug 2021 06:56:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240252AbhHSNxr (ORCPT + 99 others); Thu, 19 Aug 2021 09:53:47 -0400 Received: from verein.lst.de ([213.95.11.211]:37743 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240102AbhHSNxr (ORCPT ); Thu, 19 Aug 2021 09:53:47 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 468A26736F; Thu, 19 Aug 2021 15:53:08 +0200 (CEST) Date: Thu, 19 Aug 2021 15:53:08 +0200 From: Christoph Hellwig To: Sven Schnelle Cc: Christoph Hellwig , Hillf Danton , syzbot , axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] general protection fault in wb_timer_fn Message-ID: <20210819135308.GB3395@lst.de> References: <00000000000072e53a05c983ab22@google.com> <20210816091041.3313-1-hdanton@sina.com> <20210816093336.GA3950@lst.de> <20210819090510.GA12194@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 19, 2021 at 03:10:37PM +0200, Sven Schnelle wrote: > Christoph Hellwig writes: > > > On Thu, Aug 19, 2021 at 11:03:42AM +0200, Sven Schnelle wrote: > >> I'm seeing a similar crash in our CI: > > > > This series: > > > > https://lore.kernel.org/linux-block/20210816131910.615153-1-hch@lst.de/T/#t > > > > should fi it. Can you give it a spin? > > I tested it without your patchset and it crashed around every second > try. With that patchset, i wasn't able to reproduce it. Can you send a Tested-by: for the last patch which should fix this?