Lines Matching +full:deep +full:- +full:touch

1 // SPDX-License-Identifier: GPL-2.0
4  * bad alignment, bad loops, bad locking, bad scheduling, deep stacks, and
42  * - function marked noinline
43  * - stack variables are marked volatile
44  * - stack variables are written (memset()) and read (pr_info())
45  * - function has external effects (pr_info())
57 		return recursive_loop(remaining - 1);  in recursive_loop()
125 /* Same as above but will only get a canary with -fstack-protector-strong */
180 volatile unsigned int huge = INT_MAX - 2;
212 /* Intentionally using old-style flex array definition of 1 byte. */
236 	/* For both, touch all bytes in the actual member size. */  in lkdtm_ARRAY_BOUNDS()
237 	for (i = 0; i < sizeof(checked->data); i++)  in lkdtm_ARRAY_BOUNDS()
238 		checked->data[i] = 'A';  in lkdtm_ARRAY_BOUNDS()
240 	 * For the uninstrumented flex array member, also touch 1 byte  in lkdtm_ARRAY_BOUNDS()
243 	for (i = 0; i < sizeof(not_checked->data) + 1; i++)  in lkdtm_ARRAY_BOUNDS()
244 		not_checked->data[i] = 'A';  in lkdtm_ARRAY_BOUNDS()
247 	for (i = 0; i < sizeof(checked->data) + 1; i++)  in lkdtm_ARRAY_BOUNDS()
248 		checked->data[i] = 'B';  in lkdtm_ARRAY_BOUNDS()
271 	 *	test_head.next->prev = &good.node  in lkdtm_CORRUPT_LIST_ADD()
322 	const unsigned char *ptr = stack - 1;  in lkdtm_STACK_GUARD_PAGE_LEADING()
375 	 * To test the post-write pinning verification we need to call  in lkdtm_UNSET_SMEP()
408 	pr_err("XFAIL: this test is x86_64-only\n");  in lkdtm_UNSET_SMEP()
421 		.type = 3,	/* expand-up, writable, accessed data */  in lkdtm_DOUBLE_FAULT()
423 		.d = 1,		/* 32-bit */  in lkdtm_DOUBLE_FAULT()
433 	 * Put our zero-limit segment in SS and then trigger a fault.  The  in lkdtm_DOUBLE_FAULT()
434 	 * 4-byte access to (%esp) will fault with #SS, and the attempt to  in lkdtm_DOUBLE_FAULT()
438 	 * would also double-fault, resulting in the NMI or MCE being lost.  in lkdtm_DOUBLE_FAULT()
445 	pr_err("XFAIL: this test is ia32-only\n");  in lkdtm_DOUBLE_FAULT()
485 	pr_err("XFAIL: this test is arm64-only\n");  in lkdtm_CORRUPT_PAC()