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 BBDF4C433EF for ; Mon, 28 Mar 2022 12:19:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241906AbiC1MVf (ORCPT ); Mon, 28 Mar 2022 08:21:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36972 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233127AbiC1MVe (ORCPT ); Mon, 28 Mar 2022 08:21:34 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DFFB2B87B for ; Mon, 28 Mar 2022 05:19:52 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 58A4660A73 for ; Mon, 28 Mar 2022 12:19:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 361DEC340EC; Mon, 28 Mar 2022 12:19:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1648469991; bh=xfLoFLYLQdeXldJ2/Q7pbJ+KMONwzOD70l2ztYR4DzQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=L9IEI4pQH0K1n8SpASLCyEm5OZExno934w5JG+PlvWreQ70Gtrd3n1gk6EOWyJPDd rPKiI0Xx0tbaUiA2Q08QoP+xthzJ/yO2X0ANMVGLms1AawVYrIzveUxP9PV2izdlHm GspqHxBLPUlo4xBty3uz17tNYKq/gKyDLibyzolY= Date: Mon, 28 Mar 2022 14:19:48 +0200 From: "gregkh@linuxfoundation.org" To: "Zhoujian (jay)" Cc: "linux-kernel@vger.kernel.org" , "tj@kernel.org" , "Huangweidong (C)" , "Wangjing(Hogan)" Subject: Re: [Question] kernfs: NULL pointer dereference in kernfs_dop_revalidate() Message-ID: References: <685d8898ca614138a9c15f8042e3d291@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <685d8898ca614138a9c15f8042e3d291@huawei.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 28, 2022 at 11:59:49AM +0000, Zhoujian (jay) wrote: > Hi, > > We met a kernel panic during boot the new kernel using kexec, the kernel version > is 4.18.0(with some our changes), here is the stack: 4.18.0 is _VERY_ old and obsolete, sorry. Can you duplicate this on 5.17? thanks, greg k-h