From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:39053 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751273AbbJQUgv (ORCPT ); Sat, 17 Oct 2015 16:36:51 -0400 Subject: Patch "drm/amdgpu: fix overflow on 32bit systems" has been added to the 4.2-stable tree To: christian.koenig@amd.com, Jammy.Zhou@amd.com, gregkh@linuxfoundation.org Cc: , From: Date: Sat, 17 Oct 2015 13:36:50 -0700 Message-ID: <144511421043111@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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/amdgpu: fix overflow on 32bit systems to the 4.2-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-amdgpu-fix-overflow-on-32bit-systems.patch and it can be found in the queue-4.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From b7d698d7fd7d132c6ebe56d230584f2cae6c94ee Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Mon, 7 Sep 2015 12:32:09 +0200 Subject: drm/amdgpu: fix overflow on 32bit systems MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: =?UTF-8?q?Christian=20K=C3=B6nig?= commit b7d698d7fd7d132c6ebe56d230584f2cae6c94ee upstream. mem->start is a long, so this can overflow on 32bit systems. Signed-off-by: Christian König Reviewed-by: Jammy Zhou Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -787,7 +787,7 @@ int amdgpu_vm_bo_update(struct amdgpu_de int r; if (mem) { - addr = mem->start << PAGE_SHIFT; + addr = (u64)mem->start << PAGE_SHIFT; if (mem->mem_type != TTM_PL_TT) addr += adev->vm_manager.vram_base_offset; } else { Patches currently in stable-queue which might be from christian.koenig@amd.com are queue-4.2/drm-amdgpu-fix-overflow-on-32bit-systems.patch queue-4.2/drm-amdgpu-fix-the-uvd-suspend-sequence-order.patch queue-4.2/drm-amdgpu-disable-uvd-pg.patch queue-4.2/drm-amdgpu-fix-max_vblank_count-value-for-current-display-engines.patch queue-4.2/drm-amdgpu-make-uvd-handle-checking-more-strict.patch