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 DCFC2ECAAA1 for ; Mon, 24 Oct 2022 18:58:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231193AbiJXS6f (ORCPT ); Mon, 24 Oct 2022 14:58:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232936AbiJXS5o (ORCPT ); Mon, 24 Oct 2022 14:57:44 -0400 Received: from mail-io1-xd45.google.com (mail-io1-xd45.google.com [IPv6:2607:f8b0:4864:20::d45]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9FB901EB564 for ; Mon, 24 Oct 2022 10:37:44 -0700 (PDT) Received: by mail-io1-xd45.google.com with SMTP id q16-20020a5e9410000000b006bfe9222a2aso1164597ioj.15 for ; Mon, 24 Oct 2022 10:37:44 -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=px1z7jXV/l5+I2kX7FaOIU8JAVr+5+wG2+rm0rbU2Aw=; b=P0LkXKdK84RtTiqGqmqj6kdlHoqB/TLBGwtz28jOeZKAe7r+2CaOESMnTtm3lsACG1 v+8AQTbWGLOYupHw59ty2Pb2HUtVFK/h1LteVysZ/ahZs0KTc3JF7/YJWy3A6If6oU/f kOzN1/R1tlAMZr1yE4fR0Rx3/8j9OtkwrKt/easXF3wtSqw0zooqg9H+hAQNR5KlFpIk dlTX7ubAoZfBQ1EEvUmtic6ON09DeCWxhpoCsM3yXQuZLtlUGUrbdIZvbis48KqG+qAU P76mKE0+i6pfZEZB8JqhaDoOLCi/q7nxksctbYGUq8VuMuS92inEpzceitfGTQe/Xybt YcdQ== X-Gm-Message-State: ACrzQf0SLmvcqez7szx8UwIJzTmB0BITLEkc1WXAGGAdPI/kcIq3OuBV GuvJQaFD6Rl7tUAjc1Lb+Jv17sz4lSJi0zvw3H5qgzpjZKup X-Google-Smtp-Source: AMsMyM4BEYz5x1dx1hVWrup+gD5wfreGDYNunKN10djrQksWDMLgcjefHvjZUj4dgve0GTvLtJUwwFtaEf4ytvwT6dyS+VsXo5X6 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:160c:b0:2fc:1bc4:1811 with SMTP id t12-20020a056e02160c00b002fc1bc41811mr21874502ilu.306.1666632685209; Mon, 24 Oct 2022 10:31:25 -0700 (PDT) Date: Mon, 24 Oct 2022 10:31:25 -0700 In-Reply-To: <20221024070414.2711-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002c4dbe05ebcb295e@google.com> Subject: Re: [syzbot] BUG: corrupted list in p9_fd_cancel (2) 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: { P4081 } 2634 jiffies s: 2749 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: d47136c2 Merge tag 'hwmon-for-v6.1-rc2' of git://git.k.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=15754f4a880000 kernel config: https://syzkaller.appspot.com/x/.config?x=4789759e8a6d5f57 dashboard link: https://syzkaller.appspot.com/bug?extid=9b69b8d10ab4a7d88056 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=1338856a880000