From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,GB_FAKE_RF_SHORT,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22841C4320A for ; Mon, 26 Jul 2021 18:20:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F318D60F8F for ; Mon, 26 Jul 2021 18:20:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231712AbhGZRkU (ORCPT ); Mon, 26 Jul 2021 13:40:20 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:54226 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230032AbhGZRkT (ORCPT ); Mon, 26 Jul 2021 13:40:19 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id CE00C21FC9; Mon, 26 Jul 2021 18:20:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1627323646; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=zvcca5rVCR4CoCExSBTtbcM2L1tcOj4RbRxvRtxzheU=; b=YvSRhrfwP2WTwokqIt9aSq5KQEOnDfqpq9pBO5ksujDwYmhn+0Mj/6aQJALg8hMiH1Z7PX 27Etyy8H6Z2K4y3dE8SSSor2UuK+cqmPoqjcpBt98WfFbtsIF9rHSXweJ7afDg2VeEFdrV qE3zgKhExx83r8B0zecZwKCxK7uTeOc= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1627323646; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=zvcca5rVCR4CoCExSBTtbcM2L1tcOj4RbRxvRtxzheU=; b=gYUJmRUPS4hazKGJc8CitKYRTmfV4FjJ8TZ1OgdpyniMCi8oHPt0HSNhtsEmU42PlwGqgB ICj2LdVkT66gTYBQ== Received: from quack2.suse.cz (unknown [10.100.200.198]) by relay2.suse.de (Postfix) with ESMTP id B2F66A3B81; Mon, 26 Jul 2021 18:20:43 +0000 (UTC) Received: by quack2.suse.cz (Postfix, from userid 1000) id 823841E3B13; Mon, 26 Jul 2021 20:20:39 +0200 (CEST) Date: Mon, 26 Jul 2021 20:20:39 +0200 From: Jan Kara To: syzbot Cc: axboe@kernel.dk, ground_handling@unex-aviation.co.id, hare@suse.de, hch@lst.de, jack@suse.cz, jeffm@suse.com, linux-kernel@vger.kernel.org, mszeredi@redhat.com, reiserfs-devel@vger.kernel.org, syzkaller-bugs@googlegroups.com, yukuai3@huawei.com Subject: Re: [syzbot] WARNING in reiserfs_put_super Message-ID: <20210726182039.GP20621@quack2.suse.cz> References: <000000000000ebd6da05b00bcea6@google.com> <000000000000ba466405c7f7f1c7@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000ba466405c7f7f1c7@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun 25-07-21 12:50:09, syzbot wrote: > syzbot has bisected this issue to: > > commit f902b02600028dfc0c9df811eb711ac7d7fca09f > Author: Christoph Hellwig > Date: Thu Nov 14 14:34:32 2019 +0000 > > block: refactor rescan_partitions Looks unlikely. Also because the first report of this problem was 307 days ago - i.e., before this commit landed. I rather think the reproducer isn't quite reliable... Honza > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=166889b2300000 > start commit: 90d856e71443 Add linux-next specific files for 20210723 > git tree: linux-next > final oops: https://syzkaller.appspot.com/x/report.txt?x=156889b2300000 > console output: https://syzkaller.appspot.com/x/log.txt?x=116889b2300000 > kernel config: https://syzkaller.appspot.com/x/.config?x=298516715f6ad5cd > dashboard link: https://syzkaller.appspot.com/bug?extid=fcdd69a8426baab36109 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=146b2066300000 > > Reported-by: syzbot+fcdd69a8426baab36109@syzkaller.appspotmail.com > Fixes: f902b0260002 ("block: refactor rescan_partitions") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection -- Jan Kara SUSE Labs, CR