From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:41748 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752115AbcIIQHf (ORCPT ); Fri, 9 Sep 2016 12:07:35 -0400 Subject: Patch "drm/vc4: Fix oops when userspace hands in a bad BO." has been added to the 4.7-stable tree To: eric@anholt.net, gregkh@linuxfoundation.org Cc: , From: Date: Fri, 09 Sep 2016 18:07:23 +0200 Message-ID: <14734372439326@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled drm/vc4: Fix oops when userspace hands in a bad BO. to the 4.7-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-vc4-fix-oops-when-userspace-hands-in-a-bad-bo.patch and it can be found in the queue-4.7 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 552416c146fadc67cd9b53ef7adf88d3381c43a6 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Tue, 26 Jul 2016 13:47:15 -0700 Subject: drm/vc4: Fix oops when userspace hands in a bad BO. From: Eric Anholt commit 552416c146fadc67cd9b53ef7adf88d3381c43a6 upstream. We'd end up NULL pointer dereferencing because we didn't take the error path out in the parent. Fixes igt vc4_lookup_fail test. Signed-off-by: Eric Anholt Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.") Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/vc4/vc4_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/vc4/vc4_gem.c +++ b/drivers/gpu/drm/vc4/vc4_gem.c @@ -575,7 +575,7 @@ vc4_cl_lookup_bos(struct drm_device *dev fail: drm_free_large(handles); - return 0; + return ret; } static int Patches currently in stable-queue which might be from eric@anholt.net are queue-4.7/drm-vc4-fix-oops-when-userspace-hands-in-a-bad-bo.patch queue-4.7/drm-vc4-use-drm_free_large-on-handles-to-match-its-allocation.patch queue-4.7/drm-vc4-fix-overflow-mem-unreferencing-when-the-binner-runs-dry.patch