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 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 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 45 extern unsigned long kasan_page_alloc_sample; 46 extern unsigned int kasan_page_alloc_sample_order; 47 DECLARE_PER_CPU(long, kasan_page_alloc_skip); 48 49 static inline bool kasan_vmalloc_enabled(void) 50 { 51 return static_branch_likely(&kasan_flag_vmalloc); 52 } 53 54 static inline bool kasan_async_fault_possible(void) 55 { 56 return kasan_mode == KASAN_MODE_ASYNC || kasan_mode == KASAN_MODE_ASYMM; 57 } 58 59 static inline bool kasan_sync_fault_possible(void) 60 { 61 return kasan_mode == KASAN_MODE_SYNC || kasan_mode == KASAN_MODE_ASYMM; 62 } 63 64 static inline bool kasan_sample_page_alloc(unsigned int order) 65 { 66 /* Fast-path for when sampling is disabled. */ 67 if (kasan_page_alloc_sample == 1) 68 return true; 69 70 if (order < kasan_page_alloc_sample_order) 71 return true; 72 73 if (this_cpu_dec_return(kasan_page_alloc_skip) < 0) { 74 this_cpu_write(kasan_page_alloc_skip, 75 kasan_page_alloc_sample - 1); 76 return true; 77 } 78 79 return false; 80 } 81 82 #else /* CONFIG_KASAN_HW_TAGS */ 83 84 static inline bool kasan_async_fault_possible(void) 85 { 86 return false; 87 } 88 89 static inline bool kasan_sync_fault_possible(void) 90 { 91 return true; 92 } 93 94 static inline bool kasan_sample_page_alloc(unsigned int order) 95 { 96 return true; 97 } 98 99 #endif /* CONFIG_KASAN_HW_TAGS */ 100 101 #ifdef CONFIG_KASAN_GENERIC 102 103 /* Generic KASAN uses per-object metadata to store stack traces. */ 104 static inline bool kasan_requires_meta(void) 105 { 106 /* 107 * Technically, Generic KASAN always collects stack traces right now. 108 * However, let's use kasan_stack_collection_enabled() in case the 109 * kasan.stacktrace command-line argument is changed to affect 110 * Generic KASAN. 111 */ 112 return kasan_stack_collection_enabled(); 113 } 114 115 #else /* CONFIG_KASAN_GENERIC */ 116 117 /* Tag-based KASAN modes do not use per-object metadata. */ 118 static inline bool kasan_requires_meta(void) 119 { 120 return false; 121 } 122 123 #endif /* CONFIG_KASAN_GENERIC */ 124 125 #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS) 126 #define KASAN_GRANULE_SIZE (1UL << KASAN_SHADOW_SCALE_SHIFT) 127 #else 128 #include <asm/mte-kasan.h> 129 #define KASAN_GRANULE_SIZE MTE_GRANULE_SIZE 130 #endif 131 132 #define KASAN_GRANULE_MASK (KASAN_GRANULE_SIZE - 1) 133 134 #define KASAN_MEMORY_PER_SHADOW_PAGE (KASAN_GRANULE_SIZE << PAGE_SHIFT) 135 136 #ifdef CONFIG_KASAN_GENERIC 137 #define KASAN_PAGE_FREE 0xFF /* freed page */ 138 #define KASAN_PAGE_REDZONE 0xFE /* redzone for kmalloc_large allocation */ 139 #define KASAN_SLAB_REDZONE 0xFC /* redzone for slab object */ 140 #define KASAN_SLAB_FREE 0xFB /* freed slab object */ 141 #define KASAN_VMALLOC_INVALID 0xF8 /* inaccessible space in vmap area */ 142 #else 143 #define KASAN_PAGE_FREE KASAN_TAG_INVALID 144 #define KASAN_PAGE_REDZONE KASAN_TAG_INVALID 145 #define KASAN_SLAB_REDZONE KASAN_TAG_INVALID 146 #define KASAN_SLAB_FREE KASAN_TAG_INVALID 147 #define KASAN_VMALLOC_INVALID KASAN_TAG_INVALID /* only used for SW_TAGS */ 148 #endif 149 150 #ifdef CONFIG_KASAN_GENERIC 151 152 #define KASAN_SLAB_FREETRACK 0xFA /* freed slab object with free track */ 153 #define KASAN_GLOBAL_REDZONE 0xF9 /* redzone for global variable */ 154 155 /* Stack redzone shadow values. Compiler ABI, do not change. */ 156 #define KASAN_STACK_LEFT 0xF1 157 #define KASAN_STACK_MID 0xF2 158 #define KASAN_STACK_RIGHT 0xF3 159 #define KASAN_STACK_PARTIAL 0xF4 160 161 /* alloca redzone shadow values. */ 162 #define KASAN_ALLOCA_LEFT 0xCA 163 #define KASAN_ALLOCA_RIGHT 0xCB 164 165 /* alloca redzone size. Compiler ABI, do not change. */ 166 #define KASAN_ALLOCA_REDZONE_SIZE 32 167 168 /* Stack frame marker. Compiler ABI, do not change. */ 169 #define KASAN_CURRENT_STACK_FRAME_MAGIC 0x41B58AB3 170 171 /* Dummy value to avoid breaking randconfig/all*config builds. */ 172 #ifndef KASAN_ABI_VERSION 173 #define KASAN_ABI_VERSION 1 174 #endif 175 176 #endif /* CONFIG_KASAN_GENERIC */ 177 178 /* Metadata layout customization. */ 179 #define META_BYTES_PER_BLOCK 1 180 #define META_BLOCKS_PER_ROW 16 181 #define META_BYTES_PER_ROW (META_BLOCKS_PER_ROW * META_BYTES_PER_BLOCK) 182 #define META_MEM_BYTES_PER_ROW (META_BYTES_PER_ROW * KASAN_GRANULE_SIZE) 183 #define META_ROWS_AROUND_ADDR 2 184 185 #define KASAN_STACK_DEPTH 64 186 187 struct kasan_track { 188 u32 pid; 189 depot_stack_handle_t stack; 190 }; 191 192 enum kasan_report_type { 193 KASAN_REPORT_ACCESS, 194 KASAN_REPORT_INVALID_FREE, 195 KASAN_REPORT_DOUBLE_FREE, 196 }; 197 198 struct kasan_report_info { 199 /* Filled in by kasan_report_*(). */ 200 enum kasan_report_type type; 201 void *access_addr; 202 size_t access_size; 203 bool is_write; 204 unsigned long ip; 205 206 /* Filled in by the common reporting code. */ 207 void *first_bad_addr; 208 struct kmem_cache *cache; 209 void *object; 210 211 /* Filled in by the mode-specific reporting code. */ 212 const char *bug_type; 213 struct kasan_track alloc_track; 214 struct kasan_track free_track; 215 }; 216 217 /* Do not change the struct layout: compiler ABI. */ 218 struct kasan_source_location { 219 const char *filename; 220 int line_no; 221 int column_no; 222 }; 223 224 /* Do not change the struct layout: compiler ABI. */ 225 struct kasan_global { 226 const void *beg; /* Address of the beginning of the global variable. */ 227 size_t size; /* Size of the global variable. */ 228 size_t size_with_redzone; /* Size of the variable + size of the redzone. 32 bytes aligned. */ 229 const void *name; 230 const void *module_name; /* Name of the module where the global variable is declared. */ 231 unsigned long has_dynamic_init; /* This is needed for C++. */ 232 #if KASAN_ABI_VERSION >= 4 233 struct kasan_source_location *location; 234 #endif 235 #if KASAN_ABI_VERSION >= 5 236 char *odr_indicator; 237 #endif 238 }; 239 240 /* Structures for keeping alloc and free meta. */ 241 242 #ifdef CONFIG_KASAN_GENERIC 243 244 struct kasan_alloc_meta { 245 struct kasan_track alloc_track; 246 /* Free track is stored in kasan_free_meta. */ 247 depot_stack_handle_t aux_stack[2]; 248 }; 249 250 struct qlist_node { 251 struct qlist_node *next; 252 }; 253 254 /* 255 * Free meta is stored either in the object itself or in the redzone after the 256 * object. In the former case, free meta offset is 0. In the latter case, the 257 * offset is between 0 and INT_MAX. INT_MAX marks that free meta is not present. 258 */ 259 #define KASAN_NO_FREE_META INT_MAX 260 261 /* 262 * Free meta is only used by Generic mode while the object is in quarantine. 263 * After that, slab allocator stores the freelist pointer in the object. 264 */ 265 struct kasan_free_meta { 266 struct qlist_node quarantine_link; 267 struct kasan_track free_track; 268 }; 269 270 #endif /* CONFIG_KASAN_GENERIC */ 271 272 #if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS) 273 274 struct kasan_stack_ring_entry { 275 void *ptr; 276 size_t size; 277 u32 pid; 278 depot_stack_handle_t stack; 279 bool is_free; 280 }; 281 282 struct kasan_stack_ring { 283 rwlock_t lock; 284 size_t size; 285 atomic64_t pos; 286 struct kasan_stack_ring_entry *entries; 287 }; 288 289 #endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */ 290 291 #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS) 292 293 static inline const void *kasan_shadow_to_mem(const void *shadow_addr) 294 { 295 return (void *)(((unsigned long)shadow_addr - KASAN_SHADOW_OFFSET) 296 << KASAN_SHADOW_SCALE_SHIFT); 297 } 298 299 static inline bool addr_has_metadata(const void *addr) 300 { 301 return (kasan_reset_tag(addr) >= 302 kasan_shadow_to_mem((void *)KASAN_SHADOW_START)); 303 } 304 305 /** 306 * kasan_check_range - Check memory region, and report if invalid access. 307 * @addr: the accessed address 308 * @size: the accessed size 309 * @write: true if access is a write access 310 * @ret_ip: return address 311 * @return: true if access was valid, false if invalid 312 */ 313 bool kasan_check_range(unsigned long addr, size_t size, bool write, 314 unsigned long ret_ip); 315 316 #else /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */ 317 318 static inline bool addr_has_metadata(const void *addr) 319 { 320 return (is_vmalloc_addr(addr) || virt_addr_valid(addr)); 321 } 322 323 #endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */ 324 325 void *kasan_find_first_bad_addr(void *addr, size_t size); 326 void kasan_complete_mode_report_info(struct kasan_report_info *info); 327 void kasan_metadata_fetch_row(char *buffer, void *row); 328 329 #if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS) 330 void kasan_print_tags(u8 addr_tag, const void *addr); 331 #else 332 static inline void kasan_print_tags(u8 addr_tag, const void *addr) { } 333 #endif 334 335 #if defined(CONFIG_KASAN_STACK) 336 void kasan_print_address_stack_frame(const void *addr); 337 #else 338 static inline void kasan_print_address_stack_frame(const void *addr) { } 339 #endif 340 341 #ifdef CONFIG_KASAN_GENERIC 342 void kasan_print_aux_stacks(struct kmem_cache *cache, const void *object); 343 #else 344 static inline void kasan_print_aux_stacks(struct kmem_cache *cache, const void *object) { } 345 #endif 346 347 bool kasan_report(unsigned long addr, size_t size, 348 bool is_write, unsigned long ip); 349 void kasan_report_invalid_free(void *object, unsigned long ip, enum kasan_report_type type); 350 351 struct slab *kasan_addr_to_slab(const void *addr); 352 353 #ifdef CONFIG_KASAN_GENERIC 354 void kasan_init_cache_meta(struct kmem_cache *cache, unsigned int *size); 355 void kasan_init_object_meta(struct kmem_cache *cache, const void *object); 356 struct kasan_alloc_meta *kasan_get_alloc_meta(struct kmem_cache *cache, 357 const void *object); 358 struct kasan_free_meta *kasan_get_free_meta(struct kmem_cache *cache, 359 const void *object); 360 #else 361 static inline void kasan_init_cache_meta(struct kmem_cache *cache, unsigned int *size) { } 362 static inline void kasan_init_object_meta(struct kmem_cache *cache, const void *object) { } 363 #endif 364 365 depot_stack_handle_t kasan_save_stack(gfp_t flags, bool can_alloc); 366 void kasan_set_track(struct kasan_track *track, gfp_t flags); 367 void kasan_save_alloc_info(struct kmem_cache *cache, void *object, gfp_t flags); 368 void kasan_save_free_info(struct kmem_cache *cache, void *object); 369 370 #if defined(CONFIG_KASAN_GENERIC) && \ 371 (defined(CONFIG_SLAB) || defined(CONFIG_SLUB)) 372 bool kasan_quarantine_put(struct kmem_cache *cache, void *object); 373 void kasan_quarantine_reduce(void); 374 void kasan_quarantine_remove_cache(struct kmem_cache *cache); 375 #else 376 static inline bool kasan_quarantine_put(struct kmem_cache *cache, void *object) { return false; } 377 static inline void kasan_quarantine_reduce(void) { } 378 static inline void kasan_quarantine_remove_cache(struct kmem_cache *cache) { } 379 #endif 380 381 #ifndef arch_kasan_set_tag 382 static inline const void *arch_kasan_set_tag(const void *addr, u8 tag) 383 { 384 return addr; 385 } 386 #endif 387 #ifndef arch_kasan_get_tag 388 #define arch_kasan_get_tag(addr) 0 389 #endif 390 391 #define set_tag(addr, tag) ((void *)arch_kasan_set_tag((addr), (tag))) 392 #define get_tag(addr) arch_kasan_get_tag(addr) 393 394 #ifdef CONFIG_KASAN_HW_TAGS 395 396 #ifndef arch_enable_tagging_sync 397 #define arch_enable_tagging_sync() 398 #endif 399 #ifndef arch_enable_tagging_async 400 #define arch_enable_tagging_async() 401 #endif 402 #ifndef arch_enable_tagging_asymm 403 #define arch_enable_tagging_asymm() 404 #endif 405 #ifndef arch_force_async_tag_fault 406 #define arch_force_async_tag_fault() 407 #endif 408 #ifndef arch_get_random_tag 409 #define arch_get_random_tag() (0xFF) 410 #endif 411 #ifndef arch_get_mem_tag 412 #define arch_get_mem_tag(addr) (0xFF) 413 #endif 414 #ifndef arch_set_mem_tag_range 415 #define arch_set_mem_tag_range(addr, size, tag, init) ((void *)(addr)) 416 #endif 417 418 #define hw_enable_tagging_sync() arch_enable_tagging_sync() 419 #define hw_enable_tagging_async() arch_enable_tagging_async() 420 #define hw_enable_tagging_asymm() arch_enable_tagging_asymm() 421 #define hw_force_async_tag_fault() arch_force_async_tag_fault() 422 #define hw_get_random_tag() arch_get_random_tag() 423 #define hw_get_mem_tag(addr) arch_get_mem_tag(addr) 424 #define hw_set_mem_tag_range(addr, size, tag, init) \ 425 arch_set_mem_tag_range((addr), (size), (tag), (init)) 426 427 void kasan_enable_tagging(void); 428 429 #else /* CONFIG_KASAN_HW_TAGS */ 430 431 #define hw_enable_tagging_sync() 432 #define hw_enable_tagging_async() 433 #define hw_enable_tagging_asymm() 434 435 static inline void kasan_enable_tagging(void) { } 436 437 #endif /* CONFIG_KASAN_HW_TAGS */ 438 439 #if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS) 440 void __init kasan_init_tags(void); 441 #endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */ 442 443 #if defined(CONFIG_KASAN_HW_TAGS) && IS_ENABLED(CONFIG_KASAN_KUNIT_TEST) 444 445 void kasan_force_async_fault(void); 446 447 #else /* CONFIG_KASAN_HW_TAGS && CONFIG_KASAN_KUNIT_TEST */ 448 449 static inline void kasan_force_async_fault(void) { } 450 451 #endif /* CONFIG_KASAN_HW_TAGS && CONFIG_KASAN_KUNIT_TEST */ 452 453 #ifdef CONFIG_KASAN_SW_TAGS 454 u8 kasan_random_tag(void); 455 #elif defined(CONFIG_KASAN_HW_TAGS) 456 static inline u8 kasan_random_tag(void) { return hw_get_random_tag(); } 457 #else 458 static inline u8 kasan_random_tag(void) { return 0; } 459 #endif 460 461 #ifdef CONFIG_KASAN_HW_TAGS 462 463 static inline void kasan_poison(const void *addr, size_t size, u8 value, bool init) 464 { 465 addr = kasan_reset_tag(addr); 466 467 /* Skip KFENCE memory if called explicitly outside of sl*b. */ 468 if (is_kfence_address(addr)) 469 return; 470 471 if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK)) 472 return; 473 if (WARN_ON(size & KASAN_GRANULE_MASK)) 474 return; 475 476 hw_set_mem_tag_range((void *)addr, size, value, init); 477 } 478 479 static inline void kasan_unpoison(const void *addr, size_t size, bool init) 480 { 481 u8 tag = get_tag(addr); 482 483 addr = kasan_reset_tag(addr); 484 485 /* Skip KFENCE memory if called explicitly outside of sl*b. */ 486 if (is_kfence_address(addr)) 487 return; 488 489 if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK)) 490 return; 491 /* 492 * Explicitly initialize the memory with the precise object size to 493 * avoid overwriting the slab redzone. This disables initialization in 494 * the arch code and may thus lead to performance penalty. This penalty 495 * does not affect production builds, as slab redzones are not enabled 496 * there. 497 */ 498 if (__slub_debug_enabled() && 499 init && ((unsigned long)size & KASAN_GRANULE_MASK)) { 500 init = false; 501 memzero_explicit((void *)addr, size); 502 } 503 size = round_up(size, KASAN_GRANULE_SIZE); 504 505 hw_set_mem_tag_range((void *)addr, size, tag, init); 506 } 507 508 static inline bool kasan_byte_accessible(const void *addr) 509 { 510 u8 ptr_tag = get_tag(addr); 511 u8 mem_tag = hw_get_mem_tag((void *)addr); 512 513 return ptr_tag == KASAN_TAG_KERNEL || ptr_tag == mem_tag; 514 } 515 516 #else /* CONFIG_KASAN_HW_TAGS */ 517 518 /** 519 * kasan_poison - mark the memory range as inaccessible 520 * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE 521 * @size - range size, must be aligned to KASAN_GRANULE_SIZE 522 * @value - value that's written to metadata for the range 523 * @init - whether to initialize the memory range (only for hardware tag-based) 524 * 525 * The size gets aligned to KASAN_GRANULE_SIZE before marking the range. 526 */ 527 void kasan_poison(const void *addr, size_t size, u8 value, bool init); 528 529 /** 530 * kasan_unpoison - mark the memory range as accessible 531 * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE 532 * @size - range size, can be unaligned 533 * @init - whether to initialize the memory range (only for hardware tag-based) 534 * 535 * For the tag-based modes, the @size gets aligned to KASAN_GRANULE_SIZE before 536 * marking the range. 537 * For the generic mode, the last granule of the memory range gets partially 538 * unpoisoned based on the @size. 539 */ 540 void kasan_unpoison(const void *addr, size_t size, bool init); 541 542 bool kasan_byte_accessible(const void *addr); 543 544 #endif /* CONFIG_KASAN_HW_TAGS */ 545 546 #ifdef CONFIG_KASAN_GENERIC 547 548 /** 549 * kasan_poison_last_granule - mark the last granule of the memory range as 550 * inaccessible 551 * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE 552 * @size - range size 553 * 554 * This function is only available for the generic mode, as it's the only mode 555 * that has partially poisoned memory granules. 556 */ 557 void kasan_poison_last_granule(const void *address, size_t size); 558 559 #else /* CONFIG_KASAN_GENERIC */ 560 561 static inline void kasan_poison_last_granule(const void *address, size_t size) { } 562 563 #endif /* CONFIG_KASAN_GENERIC */ 564 565 #ifndef kasan_arch_is_ready 566 static inline bool kasan_arch_is_ready(void) { return true; } 567 #elif !defined(CONFIG_KASAN_GENERIC) || !defined(CONFIG_KASAN_OUTLINE) 568 #error kasan_arch_is_ready only works in KASAN generic outline mode! 569 #endif 570 571 #if IS_ENABLED(CONFIG_KASAN_KUNIT_TEST) 572 573 void kasan_kunit_test_suite_start(void); 574 void kasan_kunit_test_suite_end(void); 575 576 #else /* CONFIG_KASAN_KUNIT_TEST */ 577 578 static inline void kasan_kunit_test_suite_start(void) { } 579 static inline void kasan_kunit_test_suite_end(void) { } 580 581 #endif /* CONFIG_KASAN_KUNIT_TEST */ 582 583 #if IS_ENABLED(CONFIG_KASAN_KUNIT_TEST) || IS_ENABLED(CONFIG_KASAN_MODULE_TEST) 584 585 bool kasan_save_enable_multi_shot(void); 586 void kasan_restore_multi_shot(bool enabled); 587 588 #endif 589 590 /* 591 * Exported functions for interfaces called from assembly or from generated 592 * code. Declared here to avoid warnings about missing declarations. 593 */ 594 595 asmlinkage void kasan_unpoison_task_stack_below(const void *watermark); 596 void __asan_register_globals(struct kasan_global *globals, size_t size); 597 void __asan_unregister_globals(struct kasan_global *globals, size_t size); 598 void __asan_handle_no_return(void); 599 void __asan_alloca_poison(unsigned long addr, size_t size); 600 void __asan_allocas_unpoison(const void *stack_top, const void *stack_bottom); 601 602 void __asan_load1(unsigned long addr); 603 void __asan_store1(unsigned long addr); 604 void __asan_load2(unsigned long addr); 605 void __asan_store2(unsigned long addr); 606 void __asan_load4(unsigned long addr); 607 void __asan_store4(unsigned long addr); 608 void __asan_load8(unsigned long addr); 609 void __asan_store8(unsigned long addr); 610 void __asan_load16(unsigned long addr); 611 void __asan_store16(unsigned long addr); 612 void __asan_loadN(unsigned long addr, size_t size); 613 void __asan_storeN(unsigned long addr, size_t size); 614 615 void __asan_load1_noabort(unsigned long addr); 616 void __asan_store1_noabort(unsigned long addr); 617 void __asan_load2_noabort(unsigned long addr); 618 void __asan_store2_noabort(unsigned long addr); 619 void __asan_load4_noabort(unsigned long addr); 620 void __asan_store4_noabort(unsigned long addr); 621 void __asan_load8_noabort(unsigned long addr); 622 void __asan_store8_noabort(unsigned long addr); 623 void __asan_load16_noabort(unsigned long addr); 624 void __asan_store16_noabort(unsigned long addr); 625 void __asan_loadN_noabort(unsigned long addr, size_t size); 626 void __asan_storeN_noabort(unsigned long addr, size_t size); 627 628 void __asan_report_load1_noabort(unsigned long addr); 629 void __asan_report_store1_noabort(unsigned long addr); 630 void __asan_report_load2_noabort(unsigned long addr); 631 void __asan_report_store2_noabort(unsigned long addr); 632 void __asan_report_load4_noabort(unsigned long addr); 633 void __asan_report_store4_noabort(unsigned long addr); 634 void __asan_report_load8_noabort(unsigned long addr); 635 void __asan_report_store8_noabort(unsigned long addr); 636 void __asan_report_load16_noabort(unsigned long addr); 637 void __asan_report_store16_noabort(unsigned long addr); 638 void __asan_report_load_n_noabort(unsigned long addr, size_t size); 639 void __asan_report_store_n_noabort(unsigned long addr, size_t size); 640 641 void __asan_set_shadow_00(const void *addr, size_t size); 642 void __asan_set_shadow_f1(const void *addr, size_t size); 643 void __asan_set_shadow_f2(const void *addr, size_t size); 644 void __asan_set_shadow_f3(const void *addr, size_t size); 645 void __asan_set_shadow_f5(const void *addr, size_t size); 646 void __asan_set_shadow_f8(const void *addr, size_t size); 647 648 void __hwasan_load1_noabort(unsigned long addr); 649 void __hwasan_store1_noabort(unsigned long addr); 650 void __hwasan_load2_noabort(unsigned long addr); 651 void __hwasan_store2_noabort(unsigned long addr); 652 void __hwasan_load4_noabort(unsigned long addr); 653 void __hwasan_store4_noabort(unsigned long addr); 654 void __hwasan_load8_noabort(unsigned long addr); 655 void __hwasan_store8_noabort(unsigned long addr); 656 void __hwasan_load16_noabort(unsigned long addr); 657 void __hwasan_store16_noabort(unsigned long addr); 658 void __hwasan_loadN_noabort(unsigned long addr, size_t size); 659 void __hwasan_storeN_noabort(unsigned long addr, size_t size); 660 661 void __hwasan_tag_memory(unsigned long addr, u8 tag, unsigned long size); 662 663 #endif /* __MM_KASAN_KASAN_H */ 664