From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:45436 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751170AbdH0MyF (ORCPT ); Sun, 27 Aug 2017 08:54:05 -0400 Subject: Patch "drm/i915/gvt: Fix the kernel null pointer error" has been added to the 4.12-stable tree To: fred.gao@intel.com, gregkh@linuxfoundation.org, zhenyuw@linux.intel.com Cc: , From: Date: Sun, 27 Aug 2017 14:54:01 +0200 Message-ID: <1503838441113100@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/i915/gvt: Fix the kernel null pointer error to the 4.12-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-i915-gvt-fix-the-kernel-null-pointer-error.patch and it can be found in the queue-4.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From ffeaf9aaf97b4bdaf114d6df52f800d71918768c Mon Sep 17 00:00:00 2001 From: fred gao Date: Wed, 16 Aug 2017 15:48:03 +0800 Subject: drm/i915/gvt: Fix the kernel null pointer error From: fred gao commit ffeaf9aaf97b4bdaf114d6df52f800d71918768c upstream. once error happens in shadow_indirect_ctx function, the variable wa_ctx->indirect_ctx.obj is not initialized but accessed, so the kernel null point panic occurs. Fixes: 894cf7d15634 ("drm/i915/gvt: i915_gem_object_create() returns an error pointer") Signed-off-by: fred gao Signed-off-by: Zhenyu Wang Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/gvt/cmd_parser.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -2754,7 +2754,7 @@ static int shadow_indirect_ctx(struct in unmap_src: i915_gem_object_unpin_map(obj); put_obj: - i915_gem_object_put(wa_ctx->indirect_ctx.obj); + i915_gem_object_put(obj); return ret; } Patches currently in stable-queue which might be from fred.gao@intel.com are queue-4.12/drm-i915-gvt-fix-the-kernel-null-pointer-error.patch