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 3F338C10F1B for ; Tue, 27 Dec 2022 08:17:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229979AbiL0IRJ (ORCPT ); Tue, 27 Dec 2022 03:17:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58762 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230442AbiL0IQ7 (ORCPT ); Tue, 27 Dec 2022 03:16:59 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0952F2606 for ; Tue, 27 Dec 2022 00:16:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1672128975; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ljg5NU43DDRYF7vGHKsQzw7qYWtLIbrheA8Q3DkBSgg=; b=AFD3UWPOetQ2phXrCdNdQRNkz7FNxKcyc+3rYsupIZwS4LBPLFaEG1AFw/94M5kEuJvgwA urzUVgblsFIzuH4qs6OXevSRIlsACvQnGe8oEzWzvKS0FYqaW0t5f17iBa+7U7GByi+Mw5 3v9VrV47LOj1okdQSdl5YR6GXVoMD8g= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-513-EkbfqwXUPfGAI6qwWpJCRw-1; Tue, 27 Dec 2022 03:16:09 -0500 X-MC-Unique: EkbfqwXUPfGAI6qwWpJCRw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 57A011C0A582; Tue, 27 Dec 2022 08:16:09 +0000 (UTC) Received: from T590 (ovpn-8-22.pek2.redhat.com [10.72.8.22]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 528F8140EBF6; Tue, 27 Dec 2022 08:16:05 +0000 (UTC) Date: Tue, 27 Dec 2022 16:16:01 +0800 From: Ming Lei To: Changhui Zhong , Greg Kroah-Hartman , stable@vger.kernel.org Cc: linux-block@vger.kernel.org Subject: Re: [bug report] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000058 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi Greg, On Tue, Dec 27, 2022 at 04:00:37PM +0800, Ming Lei wrote: > Hi Changhui, > > On Mon, Dec 26, 2022 at 11:11:44AM +0800, Changhui Zhong wrote: > > Hello, > > Below issue was triggered with ( v6.0.15-996-g988abd970566), pls help check it > > There isn't commit 988abd970566 in linux-6.0.y, so I guess the above > build must integrate other patches not in 6.0.y > > From the source code in cki build[1], looks commit 80bd4a7aab4c ("blk-mq: move > the srcu_struct used for quiescing to the tagset") is included, but > commit 8537380bb988 ("blk-mq: skip non-mq queues in blk_mq_quiesce_queue") > is missed, that is why this panic is triggered. I just found that patch of blk-mq-move-the-srcu_struct-used-for-quiescing-to-th.patch is queued in stable-queue/queue-6.0, but that patch depends on commit 8537380bb988 ("blk-mq: skip non-mq queues in blk_mq_quiesce_queue"). which needs to be added to queue-6.0 too. Thanks, Ming