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