1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __MM_KASAN_KASAN_H
3 #define __MM_KASAN_KASAN_H
4
5 #include <linux/atomic.h>
6 #include <linux/kasan.h>
7 #include <linux/kasan-tags.h>
8 #include <linux/kfence.h>
9 #include <linux/stackdepot.h>
10
11 #if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
12
13 #include <linux/static_key.h>
14
15 DECLARE_STATIC_KEY_TRUE(kasan_flag_stacktrace);
16
kasan_stack_collection_enabled(void)17 static inline bool kasan_stack_collection_enabled(void)
18 {
19 return static_branch_unlikely(&kasan_flag_stacktrace);
20 }
21
22 #else /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */
23
kasan_stack_collection_enabled(void)24 static inline bool kasan_stack_collection_enabled(void)
25 {
26 return true;
27 }
28
29 #endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */
30
31 #ifdef CONFIG_KASAN_HW_TAGS
32
33 #include "../slab.h"
34
35 DECLARE_STATIC_KEY_TRUE(kasan_flag_vmalloc);
36
37 enum kasan_mode {
38 KASAN_MODE_SYNC,
39 KASAN_MODE_ASYNC,
40 KASAN_MODE_ASYMM,
41 };
42
43 extern enum kasan_mode kasan_mode __ro_after_init;
44
kasan_vmalloc_enabled(void)45 static inline bool kasan_vmalloc_enabled(void)
46 {
47 return static_branch_likely(&kasan_flag_vmalloc);
48 }
49
kasan_async_fault_possible(void)50 static inline bool kasan_async_fault_possible(void)
51 {
52 return kasan_mode == KASAN_MODE_ASYNC || kasan_mode == KASAN_MODE_ASYMM;
53 }
54
kasan_sync_fault_possible(void)55 static inline bool kasan_sync_fault_possible(void)
56 {
57 return kasan_mode == KASAN_MODE_SYNC || kasan_mode == KASAN_MODE_ASYMM;
58 }
59
60 #else /* CONFIG_KASAN_HW_TAGS */
61
kasan_async_fault_possible(void)62 static inline bool kasan_async_fault_possible(void)
63 {
64 return false;
65 }
66
kasan_sync_fault_possible(void)67 static inline bool kasan_sync_fault_possible(void)
68 {
69 return true;
70 }
71
72 #endif /* CONFIG_KASAN_HW_TAGS */
73
74 #ifdef CONFIG_KASAN_GENERIC
75
76 /* Generic KASAN uses per-object metadata to store stack traces. */
kasan_requires_meta(void)77 static inline bool kasan_requires_meta(void)
78 {
79 /*
80 * Technically, Generic KASAN always collects stack traces right now.
81 * However, let's use kasan_stack_collection_enabled() in case the
82 * kasan.stacktrace command-line argument is changed to affect
83 * Generic KASAN.
84 */
85 return kasan_stack_collection_enabled();
86 }
87
88 #else /* CONFIG_KASAN_GENERIC */
89
90 /* Tag-based KASAN modes do not use per-object metadata. */
kasan_requires_meta(void)91 static inline bool kasan_requires_meta(void)
92 {
93 return false;
94 }
95
96 #endif /* CONFIG_KASAN_GENERIC */
97
98 #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
99 #define KASAN_GRANULE_SIZE (1UL << KASAN_SHADOW_SCALE_SHIFT)
100 #else
101 #include <asm/mte-kasan.h>
102 #define KASAN_GRANULE_SIZE MTE_GRANULE_SIZE
103 #endif
104
105 #define KASAN_GRANULE_MASK (KASAN_GRANULE_SIZE - 1)
106
107 #define KASAN_MEMORY_PER_SHADOW_PAGE (KASAN_GRANULE_SIZE << PAGE_SHIFT)
108
109 #ifdef CONFIG_KASAN_GENERIC
110 #define KASAN_PAGE_FREE 0xFF /* freed page */
111 #define KASAN_PAGE_REDZONE 0xFE /* redzone for kmalloc_large allocation */
112 #define KASAN_SLAB_REDZONE 0xFC /* redzone for slab object */
113 #define KASAN_SLAB_FREE 0xFB /* freed slab object */
114 #define KASAN_VMALLOC_INVALID 0xF8 /* inaccessible space in vmap area */
115 #else
116 #define KASAN_PAGE_FREE KASAN_TAG_INVALID
117 #define KASAN_PAGE_REDZONE KASAN_TAG_INVALID
118 #define KASAN_SLAB_REDZONE KASAN_TAG_INVALID
119 #define KASAN_SLAB_FREE KASAN_TAG_INVALID
120 #define KASAN_VMALLOC_INVALID KASAN_TAG_INVALID /* only used for SW_TAGS */
121 #endif
122
123 #ifdef CONFIG_KASAN_GENERIC
124
125 #define KASAN_SLAB_FREETRACK 0xFA /* freed slab object with free track */
126 #define KASAN_GLOBAL_REDZONE 0xF9 /* redzone for global variable */
127
128 /* Stack redzone shadow values. Compiler ABI, do not change. */
129 #define KASAN_STACK_LEFT 0xF1
130 #define KASAN_STACK_MID 0xF2
131 #define KASAN_STACK_RIGHT 0xF3
132 #define KASAN_STACK_PARTIAL 0xF4
133
134 /* alloca redzone shadow values. */
135 #define KASAN_ALLOCA_LEFT 0xCA
136 #define KASAN_ALLOCA_RIGHT 0xCB
137
138 /* alloca redzone size. Compiler ABI, do not change. */
139 #define KASAN_ALLOCA_REDZONE_SIZE 32
140
141 /* Stack frame marker. Compiler ABI, do not change. */
142 #define KASAN_CURRENT_STACK_FRAME_MAGIC 0x41B58AB3
143
144 /* Dummy value to avoid breaking randconfig/all*config builds. */
145 #ifndef KASAN_ABI_VERSION
146 #define KASAN_ABI_VERSION 1
147 #endif
148
149 #endif /* CONFIG_KASAN_GENERIC */
150
151 /* Metadata layout customization. */
152 #define META_BYTES_PER_BLOCK 1
153 #define META_BLOCKS_PER_ROW 16
154 #define META_BYTES_PER_ROW (META_BLOCKS_PER_ROW * META_BYTES_PER_BLOCK)
155 #define META_MEM_BYTES_PER_ROW (META_BYTES_PER_ROW * KASAN_GRANULE_SIZE)
156 #define META_ROWS_AROUND_ADDR 2
157
158 #define KASAN_STACK_DEPTH 64
159
160 struct kasan_track {
161 u32 pid;
162 depot_stack_handle_t stack;
163 };
164
165 enum kasan_report_type {
166 KASAN_REPORT_ACCESS,
167 KASAN_REPORT_INVALID_FREE,
168 KASAN_REPORT_DOUBLE_FREE,
169 };
170
171 struct kasan_report_info {
172 /* Filled in by kasan_report_*(). */
173 enum kasan_report_type type;
174 void *access_addr;
175 size_t access_size;
176 bool is_write;
177 unsigned long ip;
178
179 /* Filled in by the common reporting code. */
180 void *first_bad_addr;
181 struct kmem_cache *cache;
182 void *object;
183
184 /* Filled in by the mode-specific reporting code. */
185 const char *bug_type;
186 struct kasan_track alloc_track;
187 struct kasan_track free_track;
188 };
189
190 /* Do not change the struct layout: compiler ABI. */
191 struct kasan_source_location {
192 const char *filename;
193 int line_no;
194 int column_no;
195 };
196
197 /* Do not change the struct layout: compiler ABI. */
198 struct kasan_global {
199 const void *beg; /* Address of the beginning of the global variable. */
200 size_t size; /* Size of the global variable. */
201 size_t size_with_redzone; /* Size of the variable + size of the redzone. 32 bytes aligned. */
202 const void *name;
203 const void *module_name; /* Name of the module where the global variable is declared. */
204 unsigned long has_dynamic_init; /* This is needed for C++. */
205 #if KASAN_ABI_VERSION >= 4
206 struct kasan_source_location *location;
207 #endif
208 #if KASAN_ABI_VERSION >= 5
209 char *odr_indicator;
210 #endif
211 };
212
213 /* Structures for keeping alloc and free meta. */
214
215 #ifdef CONFIG_KASAN_GENERIC
216
217 struct kasan_alloc_meta {
218 struct kasan_track alloc_track;
219 /* Free track is stored in kasan_free_meta. */
220 depot_stack_handle_t aux_stack[2];
221 };
222
223 struct qlist_node {
224 struct qlist_node *next;
225 };
226
227 /*
228 * Free meta is stored either in the object itself or in the redzone after the
229 * object. In the former case, free meta offset is 0. In the latter case, the
230 * offset is between 0 and INT_MAX. INT_MAX marks that free meta is not present.
231 */
232 #define KASAN_NO_FREE_META INT_MAX
233
234 /*
235 * Free meta is only used by Generic mode while the object is in quarantine.
236 * After that, slab allocator stores the freelist pointer in the object.
237 */
238 struct kasan_free_meta {
239 struct qlist_node quarantine_link;
240 struct kasan_track free_track;
241 };
242
243 #endif /* CONFIG_KASAN_GENERIC */
244
245 #if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
246
247 struct kasan_stack_ring_entry {
248 void *ptr;
249 size_t size;
250 u32 pid;
251 depot_stack_handle_t stack;
252 bool is_free;
253 };
254
255 struct kasan_stack_ring {
256 rwlock_t lock;
257 size_t size;
258 atomic64_t pos;
259 struct kasan_stack_ring_entry *entries;
260 };
261
262 #endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */
263
264 #if IS_ENABLED(CONFIG_KASAN_KUNIT_TEST)
265 /* Used in KUnit-compatible KASAN tests. */
266 struct kunit_kasan_status {
267 bool report_found;
268 bool sync_fault;
269 };
270 #endif
271
272 #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
273
kasan_shadow_to_mem(const void * shadow_addr)274 static inline const void *kasan_shadow_to_mem(const void *shadow_addr)
275 {
276 return (void *)(((unsigned long)shadow_addr - KASAN_SHADOW_OFFSET)
277 << KASAN_SHADOW_SCALE_SHIFT);
278 }
279
addr_has_metadata(const void * addr)280 static inline bool addr_has_metadata(const void *addr)
281 {
282 return (kasan_reset_tag(addr) >=
283 kasan_shadow_to_mem((void *)KASAN_SHADOW_START));
284 }
285
286 /**
287 * kasan_check_range - Check memory region, and report if invalid access.
288 * @addr: the accessed address
289 * @size: the accessed size
290 * @write: true if access is a write access
291 * @ret_ip: return address
292 * @return: true if access was valid, false if invalid
293 */
294 bool kasan_check_range(unsigned long addr, size_t size, bool write,
295 unsigned long ret_ip);
296
297 #else /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
298
addr_has_metadata(const void * addr)299 static inline bool addr_has_metadata(const void *addr)
300 {
301 return (is_vmalloc_addr(addr) || virt_addr_valid(addr));
302 }
303
304 #endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
305
306 void *kasan_find_first_bad_addr(void *addr, size_t size);
307 void kasan_complete_mode_report_info(struct kasan_report_info *info);
308 void kasan_metadata_fetch_row(char *buffer, void *row);
309
310 #if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
311 void kasan_print_tags(u8 addr_tag, const void *addr);
312 #else
kasan_print_tags(u8 addr_tag,const void * addr)313 static inline void kasan_print_tags(u8 addr_tag, const void *addr) { }
314 #endif
315
316 #if defined(CONFIG_KASAN_STACK)
317 void kasan_print_address_stack_frame(const void *addr);
318 #else
kasan_print_address_stack_frame(const void * addr)319 static inline void kasan_print_address_stack_frame(const void *addr) { }
320 #endif
321
322 #ifdef CONFIG_KASAN_GENERIC
323 void kasan_print_aux_stacks(struct kmem_cache *cache, const void *object);
324 #else
kasan_print_aux_stacks(struct kmem_cache * cache,const void * object)325 static inline void kasan_print_aux_stacks(struct kmem_cache *cache, const void *object) { }
326 #endif
327
328 bool kasan_report(unsigned long addr, size_t size,
329 bool is_write, unsigned long ip);
330 void kasan_report_invalid_free(void *object, unsigned long ip, enum kasan_report_type type);
331
332 struct slab *kasan_addr_to_slab(const void *addr);
333
334 #ifdef CONFIG_KASAN_GENERIC
335 void kasan_init_cache_meta(struct kmem_cache *cache, unsigned int *size);
336 void kasan_init_object_meta(struct kmem_cache *cache, const void *object);
337 struct kasan_alloc_meta *kasan_get_alloc_meta(struct kmem_cache *cache,
338 const void *object);
339 struct kasan_free_meta *kasan_get_free_meta(struct kmem_cache *cache,
340 const void *object);
341 #else
kasan_init_cache_meta(struct kmem_cache * cache,unsigned int * size)342 static inline void kasan_init_cache_meta(struct kmem_cache *cache, unsigned int *size) { }
kasan_init_object_meta(struct kmem_cache * cache,const void * object)343 static inline void kasan_init_object_meta(struct kmem_cache *cache, const void *object) { }
344 #endif
345
346 depot_stack_handle_t kasan_save_stack(gfp_t flags, bool can_alloc);
347 void kasan_set_track(struct kasan_track *track, gfp_t flags);
348 void kasan_save_alloc_info(struct kmem_cache *cache, void *object, gfp_t flags);
349 void kasan_save_free_info(struct kmem_cache *cache, void *object);
350
351 #if defined(CONFIG_KASAN_GENERIC) && \
352 (defined(CONFIG_SLAB) || defined(CONFIG_SLUB))
353 bool kasan_quarantine_put(struct kmem_cache *cache, void *object);
354 void kasan_quarantine_reduce(void);
355 void kasan_quarantine_remove_cache(struct kmem_cache *cache);
356 #else
kasan_quarantine_put(struct kmem_cache * cache,void * object)357 static inline bool kasan_quarantine_put(struct kmem_cache *cache, void *object) { return false; }
kasan_quarantine_reduce(void)358 static inline void kasan_quarantine_reduce(void) { }
kasan_quarantine_remove_cache(struct kmem_cache * cache)359 static inline void kasan_quarantine_remove_cache(struct kmem_cache *cache) { }
360 #endif
361
362 #ifndef arch_kasan_set_tag
arch_kasan_set_tag(const void * addr,u8 tag)363 static inline const void *arch_kasan_set_tag(const void *addr, u8 tag)
364 {
365 return addr;
366 }
367 #endif
368 #ifndef arch_kasan_get_tag
369 #define arch_kasan_get_tag(addr) 0
370 #endif
371
372 #define set_tag(addr, tag) ((void *)arch_kasan_set_tag((addr), (tag)))
373 #define get_tag(addr) arch_kasan_get_tag(addr)
374
375 #ifdef CONFIG_KASAN_HW_TAGS
376
377 #ifndef arch_enable_tagging_sync
378 #define arch_enable_tagging_sync()
379 #endif
380 #ifndef arch_enable_tagging_async
381 #define arch_enable_tagging_async()
382 #endif
383 #ifndef arch_enable_tagging_asymm
384 #define arch_enable_tagging_asymm()
385 #endif
386 #ifndef arch_force_async_tag_fault
387 #define arch_force_async_tag_fault()
388 #endif
389 #ifndef arch_get_random_tag
390 #define arch_get_random_tag() (0xFF)
391 #endif
392 #ifndef arch_get_mem_tag
393 #define arch_get_mem_tag(addr) (0xFF)
394 #endif
395 #ifndef arch_set_mem_tag_range
396 #define arch_set_mem_tag_range(addr, size, tag, init) ((void *)(addr))
397 #endif
398
399 #define hw_enable_tagging_sync() arch_enable_tagging_sync()
400 #define hw_enable_tagging_async() arch_enable_tagging_async()
401 #define hw_enable_tagging_asymm() arch_enable_tagging_asymm()
402 #define hw_force_async_tag_fault() arch_force_async_tag_fault()
403 #define hw_get_random_tag() arch_get_random_tag()
404 #define hw_get_mem_tag(addr) arch_get_mem_tag(addr)
405 #define hw_set_mem_tag_range(addr, size, tag, init) \
406 arch_set_mem_tag_range((addr), (size), (tag), (init))
407
408 void kasan_enable_tagging(void);
409
410 #else /* CONFIG_KASAN_HW_TAGS */
411
412 #define hw_enable_tagging_sync()
413 #define hw_enable_tagging_async()
414 #define hw_enable_tagging_asymm()
415
kasan_enable_tagging(void)416 static inline void kasan_enable_tagging(void) { }
417
418 #endif /* CONFIG_KASAN_HW_TAGS */
419
420 #if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
421 void __init kasan_init_tags(void);
422 #endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */
423
424 #if defined(CONFIG_KASAN_HW_TAGS) && IS_ENABLED(CONFIG_KASAN_KUNIT_TEST)
425
426 void kasan_force_async_fault(void);
427
428 #else /* CONFIG_KASAN_HW_TAGS && CONFIG_KASAN_KUNIT_TEST */
429
kasan_force_async_fault(void)430 static inline void kasan_force_async_fault(void) { }
431
432 #endif /* CONFIG_KASAN_HW_TAGS && CONFIG_KASAN_KUNIT_TEST */
433
434 #ifdef CONFIG_KASAN_SW_TAGS
435 u8 kasan_random_tag(void);
436 #elif defined(CONFIG_KASAN_HW_TAGS)
kasan_random_tag(void)437 static inline u8 kasan_random_tag(void) { return hw_get_random_tag(); }
438 #else
kasan_random_tag(void)439 static inline u8 kasan_random_tag(void) { return 0; }
440 #endif
441
442 #ifdef CONFIG_KASAN_HW_TAGS
443
kasan_poison(const void * addr,size_t size,u8 value,bool init)444 static inline void kasan_poison(const void *addr, size_t size, u8 value, bool init)
445 {
446 addr = kasan_reset_tag(addr);
447
448 /* Skip KFENCE memory if called explicitly outside of sl*b. */
449 if (is_kfence_address(addr))
450 return;
451
452 if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK))
453 return;
454 if (WARN_ON(size & KASAN_GRANULE_MASK))
455 return;
456
457 hw_set_mem_tag_range((void *)addr, size, value, init);
458 }
459
kasan_unpoison(const void * addr,size_t size,bool init)460 static inline void kasan_unpoison(const void *addr, size_t size, bool init)
461 {
462 u8 tag = get_tag(addr);
463
464 addr = kasan_reset_tag(addr);
465
466 /* Skip KFENCE memory if called explicitly outside of sl*b. */
467 if (is_kfence_address(addr))
468 return;
469
470 if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK))
471 return;
472 /*
473 * Explicitly initialize the memory with the precise object size to
474 * avoid overwriting the slab redzone. This disables initialization in
475 * the arch code and may thus lead to performance penalty. This penalty
476 * does not affect production builds, as slab redzones are not enabled
477 * there.
478 */
479 if (__slub_debug_enabled() &&
480 init && ((unsigned long)size & KASAN_GRANULE_MASK)) {
481 init = false;
482 memzero_explicit((void *)addr, size);
483 }
484 size = round_up(size, KASAN_GRANULE_SIZE);
485
486 hw_set_mem_tag_range((void *)addr, size, tag, init);
487 }
488
kasan_byte_accessible(const void * addr)489 static inline bool kasan_byte_accessible(const void *addr)
490 {
491 u8 ptr_tag = get_tag(addr);
492 u8 mem_tag = hw_get_mem_tag((void *)addr);
493
494 return ptr_tag == KASAN_TAG_KERNEL || ptr_tag == mem_tag;
495 }
496
497 #else /* CONFIG_KASAN_HW_TAGS */
498
499 /**
500 * kasan_poison - mark the memory range as inaccessible
501 * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE
502 * @size - range size, must be aligned to KASAN_GRANULE_SIZE
503 * @value - value that's written to metadata for the range
504 * @init - whether to initialize the memory range (only for hardware tag-based)
505 *
506 * The size gets aligned to KASAN_GRANULE_SIZE before marking the range.
507 */
508 void kasan_poison(const void *addr, size_t size, u8 value, bool init);
509
510 /**
511 * kasan_unpoison - mark the memory range as accessible
512 * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE
513 * @size - range size, can be unaligned
514 * @init - whether to initialize the memory range (only for hardware tag-based)
515 *
516 * For the tag-based modes, the @size gets aligned to KASAN_GRANULE_SIZE before
517 * marking the range.
518 * For the generic mode, the last granule of the memory range gets partially
519 * unpoisoned based on the @size.
520 */
521 void kasan_unpoison(const void *addr, size_t size, bool init);
522
523 bool kasan_byte_accessible(const void *addr);
524
525 #endif /* CONFIG_KASAN_HW_TAGS */
526
527 #ifdef CONFIG_KASAN_GENERIC
528
529 /**
530 * kasan_poison_last_granule - mark the last granule of the memory range as
531 * inaccessible
532 * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE
533 * @size - range size
534 *
535 * This function is only available for the generic mode, as it's the only mode
536 * that has partially poisoned memory granules.
537 */
538 void kasan_poison_last_granule(const void *address, size_t size);
539
540 #else /* CONFIG_KASAN_GENERIC */
541
kasan_poison_last_granule(const void * address,size_t size)542 static inline void kasan_poison_last_granule(const void *address, size_t size) { }
543
544 #endif /* CONFIG_KASAN_GENERIC */
545
546 #ifndef kasan_arch_is_ready
kasan_arch_is_ready(void)547 static inline bool kasan_arch_is_ready(void) { return true; }
548 #elif !defined(CONFIG_KASAN_GENERIC) || !defined(CONFIG_KASAN_OUTLINE)
549 #error kasan_arch_is_ready only works in KASAN generic outline mode!
550 #endif
551
552 #if IS_ENABLED(CONFIG_KASAN_KUNIT_TEST) || IS_ENABLED(CONFIG_KASAN_MODULE_TEST)
553
554 bool kasan_save_enable_multi_shot(void);
555 void kasan_restore_multi_shot(bool enabled);
556
557 #endif
558
559 /*
560 * Exported functions for interfaces called from assembly or from generated
561 * code. Declared here to avoid warnings about missing declarations.
562 */
563
564 asmlinkage void kasan_unpoison_task_stack_below(const void *watermark);
565 void __asan_register_globals(struct kasan_global *globals, size_t size);
566 void __asan_unregister_globals(struct kasan_global *globals, size_t size);
567 void __asan_handle_no_return(void);
568 void __asan_alloca_poison(unsigned long addr, size_t size);
569 void __asan_allocas_unpoison(const void *stack_top, const void *stack_bottom);
570
571 void __asan_load1(unsigned long addr);
572 void __asan_store1(unsigned long addr);
573 void __asan_load2(unsigned long addr);
574 void __asan_store2(unsigned long addr);
575 void __asan_load4(unsigned long addr);
576 void __asan_store4(unsigned long addr);
577 void __asan_load8(unsigned long addr);
578 void __asan_store8(unsigned long addr);
579 void __asan_load16(unsigned long addr);
580 void __asan_store16(unsigned long addr);
581 void __asan_loadN(unsigned long addr, size_t size);
582 void __asan_storeN(unsigned long addr, size_t size);
583
584 void __asan_load1_noabort(unsigned long addr);
585 void __asan_store1_noabort(unsigned long addr);
586 void __asan_load2_noabort(unsigned long addr);
587 void __asan_store2_noabort(unsigned long addr);
588 void __asan_load4_noabort(unsigned long addr);
589 void __asan_store4_noabort(unsigned long addr);
590 void __asan_load8_noabort(unsigned long addr);
591 void __asan_store8_noabort(unsigned long addr);
592 void __asan_load16_noabort(unsigned long addr);
593 void __asan_store16_noabort(unsigned long addr);
594 void __asan_loadN_noabort(unsigned long addr, size_t size);
595 void __asan_storeN_noabort(unsigned long addr, size_t size);
596
597 void __asan_report_load1_noabort(unsigned long addr);
598 void __asan_report_store1_noabort(unsigned long addr);
599 void __asan_report_load2_noabort(unsigned long addr);
600 void __asan_report_store2_noabort(unsigned long addr);
601 void __asan_report_load4_noabort(unsigned long addr);
602 void __asan_report_store4_noabort(unsigned long addr);
603 void __asan_report_load8_noabort(unsigned long addr);
604 void __asan_report_store8_noabort(unsigned long addr);
605 void __asan_report_load16_noabort(unsigned long addr);
606 void __asan_report_store16_noabort(unsigned long addr);
607 void __asan_report_load_n_noabort(unsigned long addr, size_t size);
608 void __asan_report_store_n_noabort(unsigned long addr, size_t size);
609
610 void __asan_set_shadow_00(const void *addr, size_t size);
611 void __asan_set_shadow_f1(const void *addr, size_t size);
612 void __asan_set_shadow_f2(const void *addr, size_t size);
613 void __asan_set_shadow_f3(const void *addr, size_t size);
614 void __asan_set_shadow_f5(const void *addr, size_t size);
615 void __asan_set_shadow_f8(const void *addr, size_t size);
616
617 void __hwasan_load1_noabort(unsigned long addr);
618 void __hwasan_store1_noabort(unsigned long addr);
619 void __hwasan_load2_noabort(unsigned long addr);
620 void __hwasan_store2_noabort(unsigned long addr);
621 void __hwasan_load4_noabort(unsigned long addr);
622 void __hwasan_store4_noabort(unsigned long addr);
623 void __hwasan_load8_noabort(unsigned long addr);
624 void __hwasan_store8_noabort(unsigned long addr);
625 void __hwasan_load16_noabort(unsigned long addr);
626 void __hwasan_store16_noabort(unsigned long addr);
627 void __hwasan_loadN_noabort(unsigned long addr, size_t size);
628 void __hwasan_storeN_noabort(unsigned long addr, size_t size);
629
630 void __hwasan_tag_memory(unsigned long addr, u8 tag, unsigned long size);
631
632 #endif /* __MM_KASAN_KASAN_H */
633