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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 474CBC77B7A for ; Sun, 11 Jun 2023 21:18:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232893AbjFKVSe (ORCPT ); Sun, 11 Jun 2023 17:18:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229597AbjFKVSc (ORCPT ); Sun, 11 Jun 2023 17:18:32 -0400 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 489681B1 for ; Sun, 11 Jun 2023 14:18:30 -0700 (PDT) Received: by mail-io1-f69.google.com with SMTP id ca18e2360f4ac-777a93b3277so365353139f.3 for ; Sun, 11 Jun 2023 14:18:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686518309; x=1689110309; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=++zemBX/2RrOYOFOLtSc1QjMmPmCs+Z/n8b0jPh3c7o=; b=TY1F8Fh8usnRTOG8sGnW6SRb8zPggFjwY7KiDIWj+8mv8PtXoyv05Vf02254d4dc0Q wtmaHa8H/G3WsUBkHAOLGDWo4pbfB0DgKKElemDe0HT56f6YtZ7oW3bZ559ZCF4qDUwp NoxoPXTA7QIkHiIPGZvD44ygSxA1dcytuoWsvIT/tjR1W/VM3puk+ZHlbkarIY5jG+Kx oySAn7ohdC7j62PRgjZ3AqbzHpzKRycXkLGtLty9PeF/bSX64e/65/6ehH/HDPc3odps xncjlr9+MCDHv7C0MLmo5y0RO8NcbepjnPwVlXlK56+P6wYqtebSYMAasDFtwkC/UGKO 4BXQ== X-Gm-Message-State: AC+VfDyrlvTk2jrSaAg8x1TZlxneH640F9gOl5Q/waHrE9UcoeW98agB Co7NCNrGvg+iRCCyUgXX7rYnVVlxNbtxeVZTzKZh++YmWGgm X-Google-Smtp-Source: ACHHUZ5uexlpBPtPJccaNdHhmErmovEuc0aJEQv+DulBACxbzELH3wDT/Ehuljo6vWiQkQ7yLj0tlIJ2iLEPDZLXWLeSG1iJZatu MIME-Version: 1.0 X-Received: by 2002:a6b:fd15:0:b0:777:afc6:8da0 with SMTP id c21-20020a6bfd15000000b00777afc68da0mr2935869ioi.1.1686518309621; Sun, 11 Jun 2023 14:18:29 -0700 (PDT) Date: Sun, 11 Jun 2023 14:18:29 -0700 In-Reply-To: <000000000000da4f6b05eb9bf593@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c0951105fde12435@google.com> Subject: Re: [syzbot] [nilfs?] general protection fault in nilfs_clear_dirty_page From: syzbot To: axboe@kernel.dk, dsterba@suse.com, hch@lst.de, konishi.ryusuke@gmail.com, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nilfs@vger.kernel.org, syzkaller-bugs@googlegroups.com, wqu@suse.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 4a445b7b6178d88956192c0202463063f52e8667 Author: Qu Wenruo Date: Sat Aug 13 08:06:53 2022 +0000 btrfs: don't merge pages into bio if their page offset is not contiguous bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17778475280000 start commit: 022ce8862dff Merge tag 'i2c-for-6.4-rc6' of git://git.kern.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=14f78475280000 console output: https://syzkaller.appspot.com/x/log.txt?x=10f78475280000 kernel config: https://syzkaller.appspot.com/x/.config?x=7474de833c217bf4 dashboard link: https://syzkaller.appspot.com/bug?extid=53369d11851d8f26735c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13e9d48b280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12d7fa63280000 Reported-by: syzbot+53369d11851d8f26735c@syzkaller.appspotmail.com Fixes: 4a445b7b6178 ("btrfs: don't merge pages into bio if their page offset is not contiguous") For information about bisection process see: https://goo.gl/tpsmEJ#bisection