drm/amdgpu: information leak in amdgpu_info_ioctl()

We recently changed the drm_amdgpu_info_device struct so now there is a 4 byte hole at the end. We need to initialize it so we don't disclose secret information from the stack. Fixes: fa92754 ('drm/amdgpu: add VCE harvesting instance query') Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
zandrey · Jul 29, 2015 · c193fa9 · c193fa9
1 parent 8faf0e0
commit c193fa9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -416,7 +416,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 		return n ? -EFAULT : 0;
 	}
 	case AMDGPU_INFO_DEV_INFO: {
-		struct drm_amdgpu_info_device dev_info;
+		struct drm_amdgpu_info_device dev_info = {};
 		struct amdgpu_cu_info cu_info;
 
 		dev_info.device_id = dev->pdev->device;