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 79EAEC38A2D for ; Mon, 24 Oct 2022 04:22:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229871AbiJXEW2 (ORCPT ); Mon, 24 Oct 2022 00:22:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229536AbiJXEW0 (ORCPT ); Mon, 24 Oct 2022 00:22:26 -0400 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 716C46AA38 for ; Sun, 23 Oct 2022 21:22:25 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id u2-20020a056e021a4200b002f9ecfa353cso8136538ilv.20 for ; Sun, 23 Oct 2022 21:22:25 -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=MlyBCNpOtvhCz8HWK9S61rmpnR5b87b9y2Ds3Fl5h/4=; b=6CO7nqVOC0zMavdABLOTFPwBM01Y2KI+ZzYgaPmnrUeg2qLclm+kI1y5qy+NDSR+SI 14KbrH/8NGw8p+ivbHbon6dxr4Fr+F22cw/vmPBQA9d/thMmNMulpT5jE7nEz0i8KFji 6U1OCozLNeRXFMZhonx+fMwnFpQg71I1TvkSFY8fnalf4KSIj4z/N2fHyJMVfI6Ffi8W N+bySmM+rt7b+qm+Ixll7f7oLs0gK6r7O38Orji9Y3gDBfUzV0aHQjBC38i+hk+gqEBv +rzTmTJ0Pef8NCncvac2yu1amvIgyQmfWTGj8ZIqZZmcTd4ycGqGU91Rds9Y7giFGVzA vQYw== X-Gm-Message-State: ACrzQf0e6UDjxDZ3svVoTJrvgIhg3z/rNjyBMqNYgz47plKDlPoUen7X AXVqFuIFYL0GSRt73eAGmcDx+MwvIfoGDwQfWCJuSzFuyWx1 X-Google-Smtp-Source: AMsMyM7jdGUmipeZNhGyTVAo9oa6uQw5KunSo+b1ZTD/ZdH6xF+KubgnzKlEy2BfAnNdxEis7aQbLletur558C5tR0p77a2OTxc/ MIME-Version: 1.0 X-Received: by 2002:a05:6638:1314:b0:363:b321:8721 with SMTP id r20-20020a056638131400b00363b3218721mr22964828jad.271.1666585344796; Sun, 23 Oct 2022 21:22:24 -0700 (PDT) Date: Sun, 23 Oct 2022 21:22:24 -0700 In-Reply-To: <20221024012302.2611-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000076ee7c05ebc0238d@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 } 2640 jiffies s: 2857 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: aae703b0 Merge tag 'for-6.1-rc1-tag' 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=161be616880000 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=153d373a880000