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Commit 0be52de9 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: validate amdgpu_vm_bo_map parameters 



Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarJammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 271c8125

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

+7 −0
Original line number Diff line number Diff line
@@ -936,6 +936,13 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, 
	uint64_t eaddr;

	int r;



	/* validate the parameters */

	if (saddr & AMDGPU_GPU_PAGE_MASK || offset & AMDGPU_GPU_PAGE_MASK ||

	    size == 0 || size & AMDGPU_GPU_PAGE_MASK) {

		amdgpu_bo_unreserve(bo_va->bo);

		return -EINVAL;

	}



	/* make sure object fit at this offset */

	eaddr = saddr + size;

	if ((saddr >= eaddr) || (offset + size > amdgpu_bo_size(bo_va->bo))) {