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 2B6ABC46467 for ; Sat, 7 Jan 2023 21:50:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232674AbjAGVuU (ORCPT ); Sat, 7 Jan 2023 16:50:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45328 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229785AbjAGVuR (ORCPT ); Sat, 7 Jan 2023 16:50:17 -0500 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3EF11EAD4 for ; Sat, 7 Jan 2023 13:50:16 -0800 (PST) Received: by mail-io1-f72.google.com with SMTP id o16-20020a056602225000b006e032e361ccso2624750ioo.13 for ; Sat, 07 Jan 2023 13:50:16 -0800 (PST) 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=6k+H6lhwQBNIKrh/bVF8+cjR/i/05AANvEicWqMt7Kk=; b=B22l6JKCJQE79/4wK0qj9bOq5LU9o83A7EhJWcq6CD41i7ClVOXpHkxDOwooq54wB/ kpoRQw75riKwY5Sdrz/IfVG5UaPKPV3WMuv3GYpbQLJlrjE1dWncf8tdAnhQruRMWgrO fMmq7iusyx0ne7M+qzJ37GVZQzDGClMZu7DO5Vd1CrOPYMVLd0xxpcexBJ8p4HtGZ1Hu 5DDMC+gfILfDdamoe+gyhkJinIG4N6JoW5lkqKtCs+3NQxgpTLUC7yVMG1ti5zH836vv O75kPSH5zJ5SghIiJXGUrSP5homjjbkYqrABFkxxfKPy06p2/WjfRShFGdgeelDBt5Rn o7oQ== X-Gm-Message-State: AFqh2kpM6ouNbGzBI1iVUldhix2EzH4oVpiG5JJyWpZnsFAfIHqJjZuo dwABPwkqHJLir1rpgcW2ikG8CX9Yy54GwEcYqJbu1LpZU4Ux X-Google-Smtp-Source: AMrXdXt1YpgWIytNhVMXcFWTVWTPXUC9kyNS+ULIT/oAYW8rhwrRJ9ibX2IfGy1HUaj1A3IDB0Q0xXVgrVO+0RUqulWfMP/MF3Se MIME-Version: 1.0 X-Received: by 2002:a05:6e02:349c:b0:30c:5345:1b6c with SMTP id bp28-20020a056e02349c00b0030c53451b6cmr2426410ilb.76.1673128216206; Sat, 07 Jan 2023 13:50:16 -0800 (PST) Date: Sat, 07 Jan 2023 13:50:16 -0800 In-Reply-To: <20230107132243.5042-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000fda2c405f1b38462@google.com> Subject: Re: [syzbot] KASAN: wild-memory-access Read in io_wq_worker_running From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: INFO: rcu detected stall in corrupted rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P5521 } 2676 jiffies s: 2809 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: 9b43a525 Merge tag 'nfs-for-6.2-2' of git://git.linux-.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master console output: https://syzkaller.appspot.com/x/log.txt?x=13fe4f24480000 kernel config: https://syzkaller.appspot.com/x/.config?x=ff5cf657dd0e7643 dashboard link: https://syzkaller.appspot.com/bug?extid=d56ec896af3637bdb7e4 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=1249e6d6480000