kfence_test.c (64e34b50d7aeee7082287ec39f9d34d4e60f3a04) kfence_test.c (98931dd95fd489fcbfa97da563505a6f071d7c77)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Test cases for KFENCE memory safety error detector. Since the interface with
4 * which KFENCE's reports are obtained is via the console, this is the output we
5 * should verify. For each test case checks the presence (or absence) of
6 * generated reports. Relies on 'console' tracepoint to capture reports as they
7 * appear in the kernel log.
8 *

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291 * even for KFENCE objects; these are required so that
292 * memcg accounting works correctly.
293 */
294 KUNIT_EXPECT_EQ(test, obj_to_index(s, slab, alloc), 0U);
295 KUNIT_EXPECT_EQ(test, objs_per_slab(s, slab), 1);
296
297 if (policy == ALLOCATE_ANY)
298 return alloc;
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Test cases for KFENCE memory safety error detector. Since the interface with
4 * which KFENCE's reports are obtained is via the console, this is the output we
5 * should verify. For each test case checks the presence (or absence) of
6 * generated reports. Relies on 'console' tracepoint to capture reports as they
7 * appear in the kernel log.
8 *

--- 282 unchanged lines hidden (view full) ---

291 * even for KFENCE objects; these are required so that
292 * memcg accounting works correctly.
293 */
294 KUNIT_EXPECT_EQ(test, obj_to_index(s, slab, alloc), 0U);
295 KUNIT_EXPECT_EQ(test, objs_per_slab(s, slab), 1);
296
297 if (policy == ALLOCATE_ANY)
298 return alloc;
299 if (policy == ALLOCATE_LEFT && IS_ALIGNED((unsigned long)alloc, PAGE_SIZE))
299 if (policy == ALLOCATE_LEFT && PAGE_ALIGNED(alloc))
300 return alloc;
300 return alloc;
301 if (policy == ALLOCATE_RIGHT &&
302 !IS_ALIGNED((unsigned long)alloc, PAGE_SIZE))
301 if (policy == ALLOCATE_RIGHT && !PAGE_ALIGNED(alloc))
303 return alloc;
304 } else if (policy == ALLOCATE_NONE)
305 return alloc;
306
307 test_free(alloc);
308
309 if (time_after(jiffies, resched_after))
310 cond_resched();

--- 561 unchanged lines hidden --- 		302 return alloc;
303 } else if (policy == ALLOCATE_NONE)
304 return alloc;
305
306 test_free(alloc);
307
308 if (time_after(jiffies, resched_after))
309 cond_resched();

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