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 D31B7C43217 for ; Tue, 11 Oct 2022 15:05:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231676AbiJKPFp (ORCPT ); Tue, 11 Oct 2022 11:05:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231657AbiJKPDt (ORCPT ); Tue, 11 Oct 2022 11:03:49 -0400 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B593A485B for ; Tue, 11 Oct 2022 07:59:02 -0700 (PDT) Received: by mail-io1-f71.google.com with SMTP id 75-20020a6b144e000000b006bbed69b669so4980105iou.21 for ; Tue, 11 Oct 2022 07:59:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=qF3bHglYM71ubF3LjTgpbSJ9mSeb4/93dHfb62LacMI=; b=Vz3zFPTL4y5lEZl4PoOBuS7JHkk8ve84L/dGTsHUnhutOH3QJn231v5Y7/46NTQVfB yZAm5gkdGHnZ4z/ihR8HYmVDnvzeHGU8T5a/VJWS5AA3Gh57J15QrEZGiEjL3Po82C2g iW6NbKszckSx/CI3DOc9JLO69z1KEzDu8ZQ2BXgYNPZwNw6+6hxUP5HZhjN+jIrzPVzM S/4elHXkHyrSMc4ALuugGvfwZPPO0sNoTr2kpNGhFDZ2YDA9jTpRWOa+moMiTl/TqVwX GJ87Xotqi/55oJciMYNrgsCeMGb6W2RFQ2wvvUj4KSg+JTTc9DFMRClCTjg6c8t4/V80 EoIA== X-Gm-Message-State: ACrzQf0/NVK5Aj2k8j+HFEiRyifoN1EHaVHS/gdSi545PSRH4McLXPKy LlytlPgiiOF0ULifah/pB8UvTsG836TNvdEJ4ns/RZaulHoJ X-Google-Smtp-Source: AMsMyM7uxTnyHSXsJBUCAatNCZgPs4iJZ2j8Qh6dtKm925bfqUNqLgDkazQ+wb9lkhqiH6twZ7i/aeZ9BwembhcAYrUl5e7ItM9m MIME-Version: 1.0 X-Received: by 2002:a05:6602:168d:b0:6bc:36a0:254b with SMTP id s13-20020a056602168d00b006bc36a0254bmr4588645iow.80.1665500243768; Tue, 11 Oct 2022 07:57:23 -0700 (PDT) Date: Tue, 11 Oct 2022 07:57:23 -0700 In-Reply-To: <00000000000037b96205eabe49b5@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000673b6305eac37e1f@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in move_expired_inodes (2) From: syzbot To: hirofumi@mail.parknet.co.jp, jack@suse.cz, lczerner@redhat.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tytso@mit.edu 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 cbfecb927f429a6fa613d74b998496bd71e4438a Author: Lukas Czerner Date: Thu Aug 25 10:06:57 2022 +0000 fs: record I_DIRTY_TIME even if inode already has I_DIRTY_INODE bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17e93452880000 start commit: 493ffd6605b2 Merge tag 'ucount-rlimits-cleanups-for-v5.19'.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=14193452880000 console output: https://syzkaller.appspot.com/x/log.txt?x=10193452880000 kernel config: https://syzkaller.appspot.com/x/.config?x=d19f5d16783f901 dashboard link: https://syzkaller.appspot.com/bug?extid=6ba92bd00d5093f7e371 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1724028a880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17419234880000 Reported-by: syzbot+6ba92bd00d5093f7e371@syzkaller.appspotmail.com Fixes: cbfecb927f42 ("fs: record I_DIRTY_TIME even if inode already has I_DIRTY_INODE") For information about bisection process see: https://goo.gl/tpsmEJ#bisection