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 E9EA3C3A59D for ; Sun, 23 Oct 2022 16:08:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230361AbiJWQIZ (ORCPT ); Sun, 23 Oct 2022 12:08:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230136AbiJWQIW (ORCPT ); Sun, 23 Oct 2022 12:08:22 -0400 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2521768CC1 for ; Sun, 23 Oct 2022 09:08:22 -0700 (PDT) Received: by mail-io1-f69.google.com with SMTP id y4-20020a5e9204000000b006bbffbc3d27so5185613iop.5 for ; Sun, 23 Oct 2022 09:08:22 -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=7epgeZqNBvzj5gC80crbhaYdIlZKNwX+R2sHVW9JIwU=; b=Jnd1SSR/bCHV8DrkVC73AslbDB66WTWcAqZEqwloYjxz0+WtSAFPSuIWIZFQ1mp8Af Y7o6CjACIsOAgZTQ+w1eLmuS8ErmZpqKJd9iBRGCNffDSb28asxnCg1O1BILGr7IWFzM +ccMlsdFBn9HhWZyb3eTKtdoC+BTwZmvzrdQDYaYBcxawxGk61EF0sZ77/nx/dz4xApA wWEW5p2wk7M+n92Sj2cqRbPsi0c8sX1ic2hxIDBpv+7mJCUgbBk7IjkQWIn4jCyLjotC c3MjRDtHD5qQQ8NuG1ngpqCPwDfvxFvriD4puxEaUm7vAeOWiAea4svjruTwnEdeGG1k H0Gw== X-Gm-Message-State: ACrzQf0Q89wxXQlJYFnZqoBC6ZO0CLR1yLhdx5vsXg269Oq9kjynV8ga D1hpevn/e3sYweO5lEJZ9CYle7w1KLdORfGlK4SjUbqTWWub X-Google-Smtp-Source: AMsMyM6TO/k+QCLX9WfdzBnG78z+vPeyhly4YZIJ5p/YulzmSNVhV+TjvSklvG4Qwu1aUUs8aCONRfydYwYAccWPqIYLVfWpYe/N MIME-Version: 1.0 X-Received: by 2002:a05:6638:140b:b0:363:fdeb:fc6d with SMTP id k11-20020a056638140b00b00363fdebfc6dmr19614493jad.135.1666541301496; Sun, 23 Oct 2022 09:08:21 -0700 (PDT) Date: Sun, 23 Oct 2022 09:08:21 -0700 In-Reply-To: <20221023135812.2493-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000047843305ebb5e2df@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: { P4079 } 2646 jiffies s: 2653 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=1613fd6e880000 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=15434bc2880000