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 A3932C54EE9 for ; Mon, 19 Sep 2022 11:37:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229940AbiISLhk (ORCPT ); Mon, 19 Sep 2022 07:37:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56940 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229906AbiISLh3 (ORCPT ); Mon, 19 Sep 2022 07:37:29 -0400 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1C252AC7C for ; Mon, 19 Sep 2022 04:37:27 -0700 (PDT) Received: by mail-il1-f199.google.com with SMTP id q3-20020a056e0220e300b002f5e648e02eso900487ilv.3 for ; Mon, 19 Sep 2022 04:37:27 -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; bh=JMjjfVC91TTUNQZvcqF9zdl5PYrQQuOY0rItvZ1mhQo=; b=ji9Mm8Oco+q9VHTIL7/1s6OLBnJ9m/P3yX5/cmFFM+zM3ylwbHjVTkKNDVKSw6dIut /lUDTd0qgWT3q3gVpVeNzMkGwgNqjKIhdAgMgbSIvBGISBfZpDepkR7mey/Zh2RIBqnC 41BPTuZ34ah2+scJq2asWks3OUXH0yCbaE2yKqCADfxWiVdYc8wgYN4wfptXAZ1iuV3S 94hGUELr8WcuNm5U69bVxyMY61FKXQdTV++k/QlW+IeuVD8OzvB+EtIHnSeOqXZsyCe4 XrOyJd3qkLmm2MNcX1yjpIAtnuHFPhJUmKarjZFsBd/axOK/2+98UzPZwRQS6BNvJTlI JMng== X-Gm-Message-State: ACrzQf3sjfOtCEzZLy+qZxDNRGdIfG/ZE/igivwTtwvCEX9fFhxfbC6O j2uTqHnPztYlBS7S/X7UJeJb/cfb5XKJIBJErcBItu45kh+M X-Google-Smtp-Source: AMsMyM5ouRz2wth5Sbyk0LnirCenat8zoIHe+G3pHVIoW2u1S0dDL9uL+VQKaLt5YLxM29l+r1E378HrNuPNyVi7J8HTvYGIEIp4 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a86:b0:2f5:96eb:52d2 with SMTP id k6-20020a056e021a8600b002f596eb52d2mr2396283ilv.91.1663587447049; Mon, 19 Sep 2022 04:37:27 -0700 (PDT) Date: Mon, 19 Sep 2022 04:37:27 -0700 In-Reply-To: <20220919111036.1016-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d5957405e90622e1@google.com> Subject: Re: [syzbot] INFO: task hung in hub_port_init (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: { P3497 } 2645 jiffies s: 2025 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: a6b44374 Merge branch 'for-next/core', remote-tracking.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=120d7937080000 kernel config: https://syzkaller.appspot.com/x/.config?x=14bf9ec0df433b27 dashboard link: https://syzkaller.appspot.com/bug?extid=76629376e06e2c2ad626 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 patch: https://syzkaller.appspot.com/x/patch.diff?x=11a15337080000