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 <stable@xxxxxxxxxxxxxxx> know about it.
>From b7d698d7fd7d132c6ebe56d230584f2cae6c94ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@xxxxxxx>
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?= <christian.koenig@xxxxxxx>
commit b7d698d7fd7d132c6ebe56d230584f2cae6c94ee upstream.
mem->start is a long, so this can overflow on 32bit systems.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Reviewed-by: Jammy Zhou <Jammy.Zhou@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxx 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
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html