57 	unsigned long user_addr;  in do_usercopy_stack()  local
81 	user_addr = vm_mmap(NULL, 0, PAGE_SIZE,  in do_usercopy_stack()
84 	if (user_addr >= TASK_SIZE) {  in do_usercopy_stack()
91 		if (copy_to_user((void __user *)user_addr, good_stack,  in do_usercopy_stack()
98 		if (copy_to_user((void __user *)user_addr, bad_stack,  in do_usercopy_stack()
112 		if (copy_from_user(good_stack, (void __user *)user_addr,  in do_usercopy_stack()
119 		if (copy_from_user(bad_stack, (void __user *)user_addr,  in do_usercopy_stack()
127 	vm_munmap(user_addr, PAGE_SIZE);  in do_usercopy_stack()
136 	unsigned long user_addr;  in do_usercopy_slab_size()  local
149 	user_addr = vm_mmap(NULL, 0, PAGE_SIZE,  in do_usercopy_slab_size()
152 	if (user_addr >= TASK_SIZE) {  in do_usercopy_slab_size()
160 	test_user_addr = (void __user *)(user_addr + 16);  in do_usercopy_slab_size()
192 	vm_munmap(user_addr, PAGE_SIZE);  in do_usercopy_slab_size()
206 	unsigned char __user *user_addr;  in do_usercopy_slab_whitelist()  local
232 	user_addr = (void __user *)user_alloc;  in do_usercopy_slab_whitelist()
242 		if (copy_to_user(user_addr, buf + offset, size)) {  in do_usercopy_slab_whitelist()
248 		if (copy_to_user(user_addr, buf + offset - 1, size)) {  in do_usercopy_slab_whitelist()
254 		if (copy_from_user(buf + offset, user_addr, size)) {  in do_usercopy_slab_whitelist()
260 		if (copy_from_user(buf + offset - 1, user_addr, size)) {  in do_usercopy_slab_whitelist()
313 	unsigned long user_addr;  in lkdtm_USERCOPY_KERNEL()  local
315 	user_addr = vm_mmap(NULL, 0, PAGE_SIZE,  in lkdtm_USERCOPY_KERNEL()
318 	if (user_addr >= TASK_SIZE) {  in lkdtm_USERCOPY_KERNEL()
325 	if (copy_to_user((void __user *)user_addr, test_text,  in lkdtm_USERCOPY_KERNEL()
333 	if (copy_to_user((void __user *)user_addr, vm_mmap,  in lkdtm_USERCOPY_KERNEL()
342 	vm_munmap(user_addr, PAGE_SIZE);  in lkdtm_USERCOPY_KERNEL()