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 097DBC4332F for ; Sat, 19 Nov 2022 10:50:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229836AbiKSKuY (ORCPT ); Sat, 19 Nov 2022 05:50:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229470AbiKSKuS (ORCPT ); Sat, 19 Nov 2022 05:50:18 -0500 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B11E578B11 for ; Sat, 19 Nov 2022 02:50:17 -0800 (PST) Received: by mail-il1-f199.google.com with SMTP id w9-20020a056e021c8900b0030247910269so4870941ill.4 for ; Sat, 19 Nov 2022 02:50:17 -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=vzB/fWeSs8vqh90QDvUL1B2Fa5XtRgr5XG49IFMwCAA=; b=h6QGlZgccZ4ZYJHBUIYcO0uMOErq4sJJ4eewc7QG2oFAWvUHExQtKjUycX/FHJ9hkB wezWEQ0jmE0ucKjxZ0kWBt/NXpIx8fC0EG+MFqrz4yA17eqjxSnX4TfalzqfkFxNQrkm AIecxlJsPibFBJ0hF+8mrVGCR2v1rzJgAZqxX3vLFtSwOKtklF5lMRegL+OIMX20Lzko by7EJDJEZb/9nkpLl6uYxKS7e4oXdfDid9yK0Bw8jY8iE002pbOzMW+fm8igC1XCx7T8 pDs7oKnUGFNpsEtQS45jhpxaJIdp+nLkqujXdIrlYqESRZV3UKxbzrqWwHLWSr7OICEl DSPQ== X-Gm-Message-State: ANoB5plMN3j8VM6o1YaqheRC0k1+Z/T08nwJer0PjcosDcmtGSfgHfcK 8/zi7wxHPxVaIsZVOSGrjM/9nN/5hZMTYmizYYzsu5UMZg3+ X-Google-Smtp-Source: AA0mqf7PKruePwrlERr9cDsT/phLUA028nUgZoOTU2DOjbOZjXFevSWr0qSdQ24MZzngRM6kskFYEswUAD9MMlmgphVpItEUC+1T MIME-Version: 1.0 X-Received: by 2002:a05:6638:26b:b0:375:af9e:ca61 with SMTP id x11-20020a056638026b00b00375af9eca61mr4901032jaq.203.1668855017057; Sat, 19 Nov 2022 02:50:17 -0800 (PST) Date: Sat, 19 Nov 2022 02:50:17 -0800 In-Reply-To: <20221119095108.4564-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000793ce105edd0969e@google.com> Subject: Re: [syzbot] inconsistent lock state in sync_info_debugfs_show 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: { P4107 } 2631 jiffies s: 2805 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: 84368d88 Merge tag 'soc-fixes-6.1-3' of git://git.kern.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=146d20fd880000 kernel config: https://syzkaller.appspot.com/x/.config?x=6f4e5e9899396248 dashboard link: https://syzkaller.appspot.com/bug?extid=007bfe0f3330f6e1e7d1 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=120fe909880000