From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937418AbdAIWSA (ORCPT ); Mon, 9 Jan 2017 17:18:00 -0500 Received: from terminus.zytor.com ([198.137.202.10]:53524 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933090AbdAIWRx (ORCPT ); Mon, 9 Jan 2017 17:17:53 -0500 Date: Mon, 9 Jan 2017 14:17:42 -0800 From: tip-bot for Junichi Nomura Message-ID: Cc: j-nomura@ce.jp.nec.com, mingo@kernel.org, hpa@zytor.com, bp@suse.de, tglx@linutronix.de, linux-kernel@vger.kernel.org Reply-To: j-nomura@ce.jp.nec.com, mingo@kernel.org, hpa@zytor.com, tglx@linutronix.de, bp@suse.de, linux-kernel@vger.kernel.org In-Reply-To: <7a730dc9-ac17-35c4-fe76-dfc94e5ecd95@ce.jp.nec.com> References: <7a730dc9-ac17-35c4-fe76-dfc94e5ecd95@ce.jp.nec.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/urgent] x86/microcode/intel: Fix allocation size of struct ucode_patch Git-Commit-ID: 9fcf5ba2ef908af916e9002891fbbca20ce4dc98 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 9fcf5ba2ef908af916e9002891fbbca20ce4dc98 Gitweb: http://git.kernel.org/tip/9fcf5ba2ef908af916e9002891fbbca20ce4dc98 Author: Junichi Nomura AuthorDate: Mon, 9 Jan 2017 12:41:46 +0100 Committer: Thomas Gleixner CommitDate: Mon, 9 Jan 2017 23:11:14 +0100 x86/microcode/intel: Fix allocation size of struct ucode_patch We allocate struct ucode_patch here. @size is the size of microcode data and used for kmemdup() later in this function. Fixes: 06b8534cb728 ("x86/microcode: Rework microcode loading") Signed-off-by: Jun'ichi Nomura Signed-off-by: Borislav Petkov Link: http://lkml.kernel.org/r/7a730dc9-ac17-35c4-fe76-dfc94e5ecd95@ce.jp.nec.com Signed-off-by: Thomas Gleixner --- arch/x86/kernel/cpu/microcode/intel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index faec8fa..9434865 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -150,7 +150,7 @@ static struct ucode_patch *__alloc_microcode_buf(void *data, unsigned int size) { struct ucode_patch *p; - p = kzalloc(size, GFP_KERNEL); + p = kzalloc(sizeof(struct ucode_patch), GFP_KERNEL); if (!p) return ERR_PTR(-ENOMEM);