47 static int test_check_nonzero_user(char *kmem, char __user *umem, size_t size)  in test_check_nonzero_user()  argument
64 	kmem += start;  in test_check_nonzero_user()
81 	memset(kmem, 0x0, size);  in test_check_nonzero_user()
83 		kmem[i] = 0xff;  in test_check_nonzero_user()
85 		kmem[i] = 0xff;  in test_check_nonzero_user()
87 	ret |= test(copy_to_user(umem, kmem, size),  in test_check_nonzero_user()
94 			int expected = is_zeroed(kmem + start, len);  in test_check_nonzero_user()
105 static int test_copy_struct_from_user(char *kmem, char __user *umem,  in test_copy_struct_from_user()  argument
133 	memset(kmem, 0x0, size);  in test_copy_struct_from_user()
134 	ret |= test(copy_struct_from_user(kmem, ksize, umem, usize),  in test_copy_struct_from_user()
136 	ret |= test(memcmp(kmem, expected, ksize),  in test_copy_struct_from_user()
146 	memset(kmem, 0x0, size);  in test_copy_struct_from_user()
147 	ret |= test(copy_struct_from_user(kmem, ksize, umem, usize),  in test_copy_struct_from_user()
149 	ret |= test(memcmp(kmem, expected, ksize),  in test_copy_struct_from_user()
156 	memset(kmem, 0x0, size);  in test_copy_struct_from_user()
157 	ret |= test(copy_struct_from_user(kmem, ksize, umem, usize) != -E2BIG,  in test_copy_struct_from_user()
168 	memset(kmem, 0x0, size);  in test_copy_struct_from_user()
169 	ret |= test(copy_struct_from_user(kmem, ksize, umem, usize),  in test_copy_struct_from_user()
171 	ret |= test(memcmp(kmem, expected, ksize),  in test_copy_struct_from_user()
183 	char *kmem;  in test_user_copy_init()  local
194 	kmem = kmalloc(PAGE_SIZE * 2, GFP_KERNEL);  in test_user_copy_init()
195 	if (!kmem)  in test_user_copy_init()
203 		kfree(kmem);  in test_user_copy_init()
213 	memset(kmem, 0x3a, PAGE_SIZE * 2);  in test_user_copy_init()
214 	ret |= test(copy_to_user(usermem, kmem, PAGE_SIZE),  in test_user_copy_init()
216 	memset(kmem, 0x0, PAGE_SIZE);  in test_user_copy_init()
217 	ret |= test(copy_from_user(kmem, usermem, PAGE_SIZE),  in test_user_copy_init()
219 	ret |= test(memcmp(kmem, kmem + PAGE_SIZE, PAGE_SIZE),  in test_user_copy_init()
248 	ret |= test_check_nonzero_user(kmem, usermem, 2 * PAGE_SIZE);  in test_user_copy_init()
250 	ret |= test_copy_struct_from_user(kmem, usermem, 2 * PAGE_SIZE);  in test_user_copy_init()
257 	memset(kmem, 0x5a, PAGE_SIZE);  in test_user_copy_init()
258 	memset(kmem + PAGE_SIZE, 0, PAGE_SIZE);  in test_user_copy_init()
261 	ret |= test(!copy_from_user(kmem, (char __user *)(kmem + PAGE_SIZE),  in test_user_copy_init()
266 	ret |= test(memcmp(kmem + PAGE_SIZE, kmem, PAGE_SIZE),  in test_user_copy_init()
276 	ret |= test(!copy_from_user(bad_usermem, (char __user *)kmem,  in test_user_copy_init()
280 	ret |= test(!copy_to_user((char __user *)kmem, kmem + PAGE_SIZE,  in test_user_copy_init()
283 	ret |= test(!copy_to_user((char __user *)kmem, bad_usermem,  in test_user_copy_init()
290 		ret |= test(!get_user(val_##size, (size __user *)kmem),	    \  in test_user_copy_init()
298 		ret |= test(!put_user(val_##size, (size __user *)kmem),	    \  in test_user_copy_init()
311 	kfree(kmem);  in test_user_copy_init()