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-rw-r--r--virt/kvm/kvm_main.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 22cdb96..383f492 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -651,7 +651,9 @@ int __kvm_set_memory_region(struct kvm *kvm,
/* We can read the guest memory with __xxx_user() later on. */
if (user_alloc &&
((mem->userspace_addr & (PAGE_SIZE - 1)) ||
- !access_ok(VERIFY_WRITE, mem->userspace_addr, mem->memory_size)))
+ !access_ok(VERIFY_WRITE,
+ (void __user *)(unsigned long)mem->userspace_addr,
+ mem->memory_size)))
goto out;
if (mem->slot >= KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS)
goto out;