From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomas Henzl Subject: Re: [PATCH 10/12] megaraid_sas : SMAP restriction-do not access user memory from IOCTL code Date: Mon, 19 Oct 2015 17:32:08 +0200 Message-ID: <56250CF8.2010003@redhat.com> References: <201510150818.t9F8IDfb029670@palmhbs0.lsi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: Received: from mx1.redhat.com ([209.132.183.28]:57457 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753463AbbJSPcL (ORCPT ); Mon, 19 Oct 2015 11:32:11 -0400 In-Reply-To: <201510150818.t9F8IDfb029670@palmhbs0.lsi.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: sumit.saxena@avagotech.com, linux-scsi@vger.kernel.org, stable@vger.kernel.org, martin.petersen@oracle.com, hch@infradead.org, jbottomley@parallels.com, kashyap.desai@avagotech.com, kiran-kumar.kasturi@avagotech.com Cc: uday.lingala@avagotech.com On 15.10.2015 10:10, sumit.saxena@avagotech.com wrote: > This is an issue on SMAP enabled CPUs and 32 bit apps running on 64 bit OS. Donot access user memory from kernel code. > SMAP bit restricts to access user memory from kernel code. Corresponding Redhat Bugzilla id for this is:[Bug 1267911]. > > Cc: > Signed-off-by: Sumit Saxena > Signed-off-by: Kashyap Desai Reviewed-by: Tomas Henzl Tomas