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[2620:137:e000::1:20]) by mx.google.com with ESMTP id c20-20020a621c14000000b0052532423856si9576637pfc.262.2022.06.23.01.27.09; Thu, 23 Jun 2022 01:27:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=OgQGfNAJ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230324AbiFWHzQ (ORCPT + 99 others); Thu, 23 Jun 2022 03:55:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229549AbiFWHzP (ORCPT ); Thu, 23 Jun 2022 03:55:15 -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 89F7A47043; Thu, 23 Jun 2022 00:55:14 -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 236BD61B01; Thu, 23 Jun 2022 07:55:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 17098C3411B; Thu, 23 Jun 2022 07:55:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1655970913; bh=fPqGc0qej9i/SABjSJ2TQXIOK2RVumdkJZyalDrgWKM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OgQGfNAJAOEXzVEnmeHeyarQXal8i0fWYk1GGoQVXJiQTvyUYRl68bDNBUeaPuv/1 Xa25yZ0lXuxMDg+Ax2hIJnoDxhnewmMVCMWisK/y4Vb5JWiI8xIHvzCcKdCskFwG3Z mw261Uo253JkkQNH+1ayttRqAlxSac6O2UZXlxP0= Date: Thu, 23 Jun 2022 09:55:10 +0200 From: Greg KH To: xu xin Cc: anton@tuxera.com, linux-ntfs-dev@lists.sourceforge.net, linux-kernel@vger.kernel.org, stable@vger.kernel.org, xu.xin16@zte.com.cn, linux-fsdevel@vger.kernel.org Subject: Re: Bug report: ntfs_read_block may crash system Message-ID: References: <20220623033635.973929-1-xu.xin16@zte.com.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220623033635.973929-1-xu.xin16@zte.com.cn> X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 23, 2022 at 03:36:35AM +0000, xu xin wrote: > >From Zeal Robot > > Hi! Zeal Robot found a potential risky bug about NTFS under the help of syzkaller. > This will cause OS crash when CONFIG_NTFS_FS is set and panic_on_oops is on. Do you have a proposed fix for this as you can easily reproduce this? And it looks like you need root permisions for this, right? thanks, greg k-h