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=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 3A431C4361B for ; Mon, 7 Dec 2020 09:34:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 099232311A for ; Mon, 7 Dec 2020 09:34:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726422AbgLGJep (ORCPT ); Mon, 7 Dec 2020 04:34:45 -0500 Received: from mail-io1-f72.google.com ([209.85.166.72]:45520 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725550AbgLGJeo (ORCPT ); Mon, 7 Dec 2020 04:34:44 -0500 Received: by mail-io1-f72.google.com with SMTP id x7so11436003ion.12 for ; Mon, 07 Dec 2020 01:34:29 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=lM8WLkinSDHgX0CP1qhRRtUnNv9UgUMhc5+FYvvQq+4=; b=YZN3ynfWRzo1SLmGbd4NDuzK1Pca57v2Z23jk2XJIyWxX7x3pQAUd4RpumvmF+OTri 3VPlCyH1PtTIlml6jrOvOtJ/XsJ0jbpyI9NnzUWHSiBmgMBg8drpA/C1zas+wtpn7tZC Xt3I7rdP3VI/zQ1SMeUhldKcaEXcx46G9yP9HUKPlyzWOtv19e+1AslPaw9iDk9u8TEj Hrz0OifrcLKtJQbCx8ER/Bdm3SbsJe0mcszbQjrC2Efv89Pb3bB/DLRPqNqJLT7PUdiH ZPDO+U7QYJOtixlk1TZJ9j0t6wtVWk6MskcUh0Svekorxf03P/nvckRqRjOfnI99Spd4 Wpfg== X-Gm-Message-State: AOAM5300ZqelBR+Wy9gpMehVSVkik4t9+mq3RJlOcvkVH8AOhvpIBegQ LGvVECKku8r+wlv9SC/F89m5G6XBOLkWs595Ztz/V5+Pk5w9 X-Google-Smtp-Source: ABdhPJxiaeneNlDt35Xc9SOPXO/UFyyutzJ3zRt1jb7qr+u3x1AAXCpLVEIA0wmIkUqXkcpOj6N1ezTtw1h2zLhDVr7ppP5/uyYT MIME-Version: 1.0 X-Received: by 2002:a92:c112:: with SMTP id p18mr14337470ile.89.1607333643854; Mon, 07 Dec 2020 01:34:03 -0800 (PST) Date: Mon, 07 Dec 2020 01:34:03 -0800 In-Reply-To: <0000000000002ae6eb05b3bd420c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e0aa9a05b5dc86cb@google.com> Subject: Re: KASAN: slab-out-of-bounds Read in btrfs_scan_one_device From: syzbot To: anand.jain@oracle.com, clm@fb.com, dsterba@suse.com, johannes.thumshirn@wdc.com, josef@toxicpanda.com, jthumshirn@suse.de, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, nborisov@suse.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 0697d9a610998b8bdee6b2390836cb2391d8fd1a Author: Johannes Thumshirn Date: Wed Nov 18 09:03:26 2020 +0000 btrfs: don't access possibly stale fs_info data for printing duplicate device bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10fb0d9b500000 start commit: 521b619a Merge tag 'linux-kselftest-kunit-fixes-5.10-rc3' .. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=e791ddf0875adf65 dashboard link: https://syzkaller.appspot.com/bug?extid=c4b1e5278d93269fd69c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16296f5c500000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1614e746500000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: btrfs: don't access possibly stale fs_info data for printing duplicate device For information about bisection process see: https://goo.gl/tpsmEJ#bisection