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 static inline bool kasan_vmalloc_enabled(void) 46 { 47 return static_branch_likely(&kasan_flag_vmalloc); 48 } 49 50 static inline bool kasan_async_fault_possible(void) 51 { 52 return kasan_mode == KASAN_MODE_ASYNC || kasan_mode == KASAN_MODE_ASYMM; 53 } 54 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 62 static inline bool kasan_async_fault_possible(void) 63 { 64 return false; 65 } 66 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. */ 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. */ 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) 273 274 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 } 279 280 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 */ 298 299 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 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 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 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 342 static inline void kasan_init_cache_meta(struct kmem_cache *cache, unsigned int *size) { } 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 357 static inline bool kasan_quarantine_put(struct kmem_cache *cache, void *object) { return false; } 358 static inline void kasan_quarantine_reduce(void) { } 359 static inline void kasan_quarantine_remove_cache(struct kmem_cache *cache) { } 360 #endif 361 362 #ifndef arch_kasan_set_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() 415 416 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 */ 429 430 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) 437 static inline u8 kasan_random_tag(void) { return hw_get_random_tag(); } 438 #else 439 static inline u8 kasan_random_tag(void) { return 0; } 440 #endif 441 442 #ifdef CONFIG_KASAN_HW_TAGS 443 444 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 } 459 460 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 } 488 489 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 */ 541 542 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 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