From patchwork Mon Nov 30 22:10:34 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamal Mostafa X-Patchwork-Id: 550439 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) by ozlabs.org (Postfix) with ESMTP id 08EFF140216; Tue, 1 Dec 2015 09:13:13 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1a3Wh5-0000jg-0X; Mon, 30 Nov 2015 22:13:11 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1a3Web-0007eD-Fl for kernel-team@lists.ubuntu.com; Mon, 30 Nov 2015 22:10:37 +0000 Received: from 1.general.kamal.us.vpn ([10.172.68.52] helo=fourier) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.76) (envelope-from ) id 1a3Web-0001hx-9I; Mon, 30 Nov 2015 22:10:37 +0000 Received: from kamal by fourier with local (Exim 4.82) (envelope-from ) id 1a3WeZ-0003Ke-36; Mon, 30 Nov 2015 14:10:35 -0800 From: Kamal Mostafa To: Dan Carpenter Subject: [3.19.y-ckt stable] Patch "devres: fix a for loop bounds check" has been added to staging queue Date: Mon, 30 Nov 2015 14:10:34 -0800 Message-Id: <1448921434-12778-1-git-send-email-kamal@canonical.com> X-Mailer: git-send-email 1.9.1 X-Extended-Stable: 3.19 Cc: Tejun Heo , Greg Kroah-Hartman , Kamal Mostafa , kernel-team@lists.ubuntu.com X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.14 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: kernel-team-bounces@lists.ubuntu.com This is a note to let you know that I have just added a patch titled devres: fix a for loop bounds check to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree which can be found at: http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue This patch is scheduled to be released in version 3.19.8-ckt11. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.19.y-ckt tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Kamal ------ From 200c2c883d7f5b87c2c260fb4d9043888c26abc9 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Mon, 21 Sep 2015 19:21:51 +0300 Subject: devres: fix a for loop bounds check commit 1f35d04a02a652f14566f875aef3a6f2af4cb77b upstream. The iomap[] array has PCIM_IOMAP_MAX (6) elements and not DEVICE_COUNT_RESOURCE (16). This bug was found using a static checker. It may be that the "if (!(mask & (1 << i)))" check means we never actually go past the end of the array in real life. Fixes: ec04b075843d ('iomap: implement pcim_iounmap_regions()') Signed-off-by: Dan Carpenter Acked-by: Tejun Heo Signed-off-by: Greg Kroah-Hartman Signed-off-by: Kamal Mostafa --- lib/devres.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 1.9.1 diff --git a/lib/devres.c b/lib/devres.c index 0f1dd2e..dfdd1a4 100644 --- a/lib/devres.c +++ b/lib/devres.c @@ -395,7 +395,7 @@ void pcim_iounmap_regions(struct pci_dev *pdev, int mask) if (!iomap) return; - for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + for (i = 0; i < PCIM_IOMAP_MAX; i++) { if (!(mask & (1 << i))) continue;