Lines Matching refs:mod
118 static void mod_update_bounds(struct module *mod) in mod_update_bounds() argument
121 struct module_memory *mod_mem = &mod->mem[type]; in mod_update_bounds()
154 static inline int strong_try_module_get(struct module *mod) in strong_try_module_get() argument
156 BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED); in strong_try_module_get()
157 if (mod && mod->state == MODULE_STATE_COMING) in strong_try_module_get()
159 if (try_module_get(mod)) in strong_try_module_get()
165 static inline void add_taint_module(struct module *mod, unsigned flag, in add_taint_module() argument
169 set_bit(flag, &mod->taints); in add_taint_module()
176 void __noreturn __module_put_and_kthread_exit(struct module *mod, long code) in __module_put_and_kthread_exit() argument
178 module_put(mod); in __module_put_and_kthread_exit()
345 struct module *mod; in find_symbol() local
352 list_for_each_entry_rcu(mod, &modules, list, in find_symbol()
355 { mod->syms, mod->syms + mod->num_syms, mod->crcs, in find_symbol()
357 { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms, in find_symbol()
358 mod->gpl_crcs, in find_symbol()
362 if (mod->state == MODULE_STATE_UNFORMED) in find_symbol()
366 if (find_exported_symbol_in_section(&arr[i], mod, fsa)) in find_symbol()
381 struct module *mod; in find_module_all() local
383 list_for_each_entry_rcu(mod, &modules, list, in find_module_all()
385 if (!even_unformed && mod->state == MODULE_STATE_UNFORMED) in find_module_all()
387 if (strlen(mod->name) == len && !memcmp(mod->name, name, len)) in find_module_all()
388 return mod; in find_module_all()
400 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
402 return mod->percpu; in mod_percpu()
405 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
415 mod->name, align, PAGE_SIZE); in percpu_modalloc()
419 mod->percpu = __alloc_reserved_percpu(pcpusec->sh_size, align); in percpu_modalloc()
420 if (!mod->percpu) { in percpu_modalloc()
422 mod->name, (unsigned long)pcpusec->sh_size); in percpu_modalloc()
425 mod->percpu_size = pcpusec->sh_size; in percpu_modalloc()
429 static void percpu_modfree(struct module *mod) in percpu_modfree() argument
431 free_percpu(mod->percpu); in percpu_modfree()
439 static void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
445 memcpy(per_cpu_ptr(mod->percpu, cpu), from, size); in percpu_modcopy()
450 struct module *mod; in __is_module_percpu_address() local
454 list_for_each_entry_rcu(mod, &modules, list) { in __is_module_percpu_address()
455 if (mod->state == MODULE_STATE_UNFORMED) in __is_module_percpu_address()
457 if (!mod->percpu_size) in __is_module_percpu_address()
460 void *start = per_cpu_ptr(mod->percpu, cpu); in __is_module_percpu_address()
463 if (va >= start && va < start + mod->percpu_size) { in __is_module_percpu_address()
467 per_cpu_ptr(mod->percpu, in __is_module_percpu_address()
492 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
496 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
503 static inline void percpu_modfree(struct module *mod) in percpu_modfree() argument
510 static inline void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
529 static void setup_modinfo_##field(struct module *mod, const char *s) \
531 mod->field = kstrdup(s, GFP_KERNEL); \
536 return scnprintf(buffer, PAGE_SIZE, "%s\n", mk->mod->field); \
538 static int modinfo_##field##_exists(struct module *mod) \
540 return mod->field != NULL; \
542 static void free_modinfo_##field(struct module *mod) \
544 kfree(mod->field); \
545 mod->field = NULL; \
571 static int module_unload_init(struct module *mod) in module_unload_init() argument
577 atomic_set(&mod->refcnt, MODULE_REF_BASE); in module_unload_init()
579 INIT_LIST_HEAD(&mod->source_list); in module_unload_init()
580 INIT_LIST_HEAD(&mod->target_list); in module_unload_init()
583 atomic_inc(&mod->refcnt); in module_unload_init()
646 static void module_unload_free(struct module *mod) in module_unload_free() argument
651 list_for_each_entry_safe(use, tmp, &mod->target_list, target_list) { in module_unload_free()
653 pr_debug("%s unusing %s\n", mod->name, i->name); in module_unload_free()
678 static int try_release_module_ref(struct module *mod) in try_release_module_ref() argument
683 ret = atomic_sub_return(MODULE_REF_BASE, &mod->refcnt); in try_release_module_ref()
687 ret = atomic_add_unless(&mod->refcnt, MODULE_REF_BASE, 0); in try_release_module_ref()
692 static int try_stop_module(struct module *mod, int flags, int *forced) in try_stop_module() argument
695 if (try_release_module_ref(mod) != 0) { in try_stop_module()
702 mod->state = MODULE_STATE_GOING; in try_stop_module()
715 int module_refcount(struct module *mod) in module_refcount() argument
717 return atomic_read(&mod->refcnt) - MODULE_REF_BASE; in module_refcount()
722 static void free_module(struct module *mod);
727 struct module *mod; in SYSCALL_DEFINE2() local
744 mod = find_module(name); in SYSCALL_DEFINE2()
745 if (!mod) { in SYSCALL_DEFINE2()
750 if (!list_empty(&mod->source_list)) { in SYSCALL_DEFINE2()
757 if (mod->state != MODULE_STATE_LIVE) { in SYSCALL_DEFINE2()
759 pr_debug("%s already dying\n", mod->name); in SYSCALL_DEFINE2()
765 if (mod->init && !mod->exit) { in SYSCALL_DEFINE2()
774 ret = try_stop_module(mod, flags, &forced); in SYSCALL_DEFINE2()
780 if (mod->exit != NULL) in SYSCALL_DEFINE2()
781 mod->exit(); in SYSCALL_DEFINE2()
783 MODULE_STATE_GOING, mod); in SYSCALL_DEFINE2()
784 klp_module_going(mod); in SYSCALL_DEFINE2()
785 ftrace_release_mod(mod); in SYSCALL_DEFINE2()
790 strscpy(last_unloaded_module.name, mod->name); in SYSCALL_DEFINE2()
791 strscpy(last_unloaded_module.taints, module_flags(mod, buf, false)); in SYSCALL_DEFINE2()
793 free_module(mod); in SYSCALL_DEFINE2()
838 return sprintf(buffer, "%i\n", module_refcount(mk->mod)); in show_refcnt()
882 static inline void module_unload_free(struct module *mod) in module_unload_free() argument
891 static inline int module_unload_init(struct module *mod) in module_unload_init() argument
915 switch (mk->mod->state) { in show_initstate()
950 unsigned int size = mk->mod->mem[MOD_TEXT].size; in show_coresize()
954 size += mk->mod->mem[type].size; in show_coresize()
969 size += mk->mod->mem[type].size; in show_datasize()
983 size += mk->mod->mem[type].size; in show_initsize()
995 l = module_flags_taint(mk->mod->taints, buffer); in show_taint()
1024 int try_to_force_load(struct module *mod, const char *reason) in try_to_force_load() argument
1028 pr_warn("%s: %s: kernel tainted.\n", mod->name, reason); in try_to_force_load()
1029 add_taint_module(mod, TAINT_FORCED_MODULE, LOCKDEP_NOW_UNRELIABLE); in try_to_force_load()
1088 struct module *mod) in verify_namespace_is_imported() argument
1105 mod->name, kernel_symbol_name(sym), namespace); in verify_namespace_is_imported()
1113 static bool inherit_taint(struct module *mod, struct module *owner, const char *name) in inherit_taint() argument
1118 if (mod->using_gplonly_symbols) { in inherit_taint()
1120 mod->name, name, owner->name); in inherit_taint()
1124 if (!test_bit(TAINT_PROPRIETARY_MODULE, &mod->taints)) { in inherit_taint()
1126 mod->name, name, owner->name); in inherit_taint()
1127 set_bit(TAINT_PROPRIETARY_MODULE, &mod->taints); in inherit_taint()
1133 static const struct kernel_symbol *resolve_symbol(struct module *mod, in resolve_symbol() argument
1140 .gplok = !(mod->taints & (1 << TAINT_PROPRIETARY_MODULE)), in resolve_symbol()
1156 mod->using_gplonly_symbols = true; in resolve_symbol()
1158 if (!inherit_taint(mod, fsa.owner, name)) { in resolve_symbol()
1163 if (!check_version(info, name, mod, fsa.crc)) { in resolve_symbol()
1168 err = verify_namespace_is_imported(info, fsa.sym, mod); in resolve_symbol()
1174 err = ref_module(mod, fsa.owner); in resolve_symbol()
1189 resolve_symbol_wait(struct module *mod, in resolve_symbol_wait() argument
1197 !IS_ERR(ksym = resolve_symbol(mod, info, name, owner)) in resolve_symbol_wait()
1201 mod->name, owner); in resolve_symbol_wait()
1206 void __weak module_arch_cleanup(struct module *mod) in module_arch_cleanup() argument
1210 void __weak module_arch_freeing_init(struct module *mod) in module_arch_freeing_init() argument
1214 static int module_memory_alloc(struct module *mod, enum mod_mem_type type) in module_memory_alloc() argument
1216 unsigned int size = PAGE_ALIGN(mod->mem[type].size); in module_memory_alloc()
1220 mod->mem[type].size = size; in module_memory_alloc()
1239 mod->mem[type].is_rox = true; in module_memory_alloc()
1253 if (!mod->mem[type].is_rox) in module_memory_alloc()
1257 mod->mem[type].base = ptr; in module_memory_alloc()
1262 static void module_memory_restore_rox(struct module *mod) in module_memory_restore_rox() argument
1265 struct module_memory *mem = &mod->mem[type]; in module_memory_restore_rox()
1272 static void module_memory_free(struct module *mod, enum mod_mem_type type) in module_memory_free() argument
1274 struct module_memory *mem = &mod->mem[type]; in module_memory_free()
1279 static void free_mod_mem(struct module *mod) in free_mod_mem() argument
1282 struct module_memory *mod_mem = &mod->mem[type]; in free_mod_mem()
1290 module_memory_free(mod, type); in free_mod_mem()
1294 lockdep_free_key_range(mod->mem[MOD_DATA].base, mod->mem[MOD_DATA].size); in free_mod_mem()
1295 module_memory_free(mod, MOD_DATA); in free_mod_mem()
1299 static void free_module(struct module *mod) in free_module() argument
1301 trace_module_free(mod); in free_module()
1303 codetag_unload_module(mod); in free_module()
1305 mod_sysfs_teardown(mod); in free_module()
1312 mod->state = MODULE_STATE_UNFORMED; in free_module()
1316 module_arch_cleanup(mod); in free_module()
1319 module_unload_free(mod); in free_module()
1322 destroy_params(mod->kp, mod->num_kp); in free_module()
1324 if (is_livepatch_module(mod)) in free_module()
1325 free_module_elf(mod); in free_module()
1330 list_del_rcu(&mod->list); in free_module()
1331 mod_tree_remove(mod); in free_module()
1333 module_bug_cleanup(mod); in free_module()
1336 if (try_add_tainted_module(mod)) in free_module()
1338 mod->name); in free_module()
1342 module_arch_freeing_init(mod); in free_module()
1343 kfree(mod->args); in free_module()
1344 percpu_modfree(mod); in free_module()
1346 free_mod_mem(mod); in free_module()
1378 static int verify_exported_symbols(struct module *mod) in verify_exported_symbols() argument
1386 { mod->syms, mod->num_syms }, in verify_exported_symbols()
1387 { mod->gpl_syms, mod->num_gpl_syms }, in verify_exported_symbols()
1399 mod->name, kernel_symbol_name(s), in verify_exported_symbols()
1424 static int simplify_symbols(struct module *mod, const struct load_info *info) in simplify_symbols() argument
1448 mod->name); in simplify_symbols()
1463 ksym = resolve_symbol_wait(mod, info, name); in simplify_symbols()
1478 mod->name, name, ret); in simplify_symbols()
1484 secbase = (unsigned long)mod_percpu(mod); in simplify_symbols()
1495 static int apply_relocations(struct module *mod, const struct load_info *info) in apply_relocations() argument
1513 err = klp_apply_section_relocs(mod, info->sechdrs, in apply_relocations()
1520 info->index.sym, i, mod); in apply_relocations()
1523 info->index.sym, i, mod); in apply_relocations()
1531 unsigned int __weak arch_mod_section_prepend(struct module *mod, in arch_mod_section_prepend() argument
1538 long module_get_offset_and_type(struct module *mod, enum mod_mem_type type, in module_get_offset_and_type() argument
1544 mod->mem[type].size += arch_mod_section_prepend(mod, section); in module_get_offset_and_type()
1545 offset = ALIGN(mod->mem[type].size, sechdr->sh_addralign ?: 1); in module_get_offset_and_type()
1546 mod->mem[type].size = offset + sechdr->sh_size; in module_get_offset_and_type()
1561 static void __layout_sections(struct module *mod, struct load_info *info, bool is_init) in __layout_sections() argument
1612 if (codetag_needs_module_section(mod, sname, s->sh_size)) { in __layout_sections()
1622 s->sh_entsize = module_get_offset_and_type(mod, type, s, i); in __layout_sections()
1634 static void layout_sections(struct module *mod, struct load_info *info) in layout_sections() argument
1641 pr_debug("Core section allocation order for %s:\n", mod->name); in layout_sections()
1642 __layout_sections(mod, info, false); in layout_sections()
1644 pr_debug("Init section allocation order for %s:\n", mod->name); in layout_sections()
1645 __layout_sections(mod, info, true); in layout_sections()
1648 static void module_license_taint_check(struct module *mod, const char *license) in module_license_taint_check() argument
1656 mod->name, license); in module_license_taint_check()
1657 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in module_license_taint_check()
1662 static void setup_modinfo(struct module *mod, struct load_info *info) in setup_modinfo() argument
1669 attr->setup(mod, get_modinfo(info, attr->attr.name)); in setup_modinfo()
1673 static void free_modinfo(struct module *mod) in free_modinfo() argument
1680 attr->free(mod); in free_modinfo()
1992 info->index.mod = mod_idx; in elf_validity_cache_index_mod()
2269 info->mod = (void *)info->hdr + info->sechdrs[info->index.mod].sh_offset; in elf_validity_cache_copy()
2276 info->name = info->mod->name; in elf_validity_cache_copy()
2298 static int check_modinfo_livepatch(struct module *mod, struct load_info *info) in check_modinfo_livepatch() argument
2304 if (set_livepatch_module(mod)) in check_modinfo_livepatch()
2308 mod->name); in check_modinfo_livepatch()
2312 static void check_modinfo_retpoline(struct module *mod, struct load_info *info) in check_modinfo_retpoline() argument
2318 mod->name); in check_modinfo_retpoline()
2401 static void module_augment_kernel_taints(struct module *mod, struct load_info *info) in module_augment_kernel_taints() argument
2409 mod->name); in module_augment_kernel_taints()
2410 add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2413 check_modinfo_retpoline(mod, info); in module_augment_kernel_taints()
2416 add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2418 "is unknown, you have been warned.\n", mod->name); in module_augment_kernel_taints()
2421 if (is_livepatch_module(mod)) { in module_augment_kernel_taints()
2422 add_taint_module(mod, TAINT_LIVEPATCH, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2424 mod->name); in module_augment_kernel_taints()
2427 module_license_taint_check(mod, get_modinfo(info, "license")); in module_augment_kernel_taints()
2432 mod->name); in module_augment_kernel_taints()
2433 add_taint_module(mod, TAINT_TEST, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2436 mod->sig_ok = info->sig_ok; in module_augment_kernel_taints()
2437 if (!mod->sig_ok) { in module_augment_kernel_taints()
2440 "kernel\n", mod->name); in module_augment_kernel_taints()
2441 add_taint_module(mod, TAINT_UNSIGNED_MODULE, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2450 if (strcmp(mod->name, "ndiswrapper") == 0) in module_augment_kernel_taints()
2454 if (strcmp(mod->name, module_license_offenders[i]) == 0) in module_augment_kernel_taints()
2455 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in module_augment_kernel_taints()
2460 pr_warn("%s: module license taints kernel.\n", mod->name); in module_augment_kernel_taints()
2464 static int check_modinfo(struct module *mod, struct load_info *info, int flags) in check_modinfo() argument
2474 err = try_to_force_load(mod, "bad vermagic"); in check_modinfo()
2483 err = check_modinfo_livepatch(mod, info); in check_modinfo()
2490 static int find_module_sections(struct module *mod, struct load_info *info) in find_module_sections() argument
2492 mod->kp = section_objs(info, "__param", in find_module_sections()
2493 sizeof(*mod->kp), &mod->num_kp); in find_module_sections()
2494 mod->syms = section_objs(info, "__ksymtab", in find_module_sections()
2495 sizeof(*mod->syms), &mod->num_syms); in find_module_sections()
2496 mod->crcs = section_addr(info, "__kcrctab"); in find_module_sections()
2497 mod->gpl_syms = section_objs(info, "__ksymtab_gpl", in find_module_sections()
2498 sizeof(*mod->gpl_syms), in find_module_sections()
2499 &mod->num_gpl_syms); in find_module_sections()
2500 mod->gpl_crcs = section_addr(info, "__kcrctab_gpl"); in find_module_sections()
2503 mod->ctors = section_objs(info, ".ctors", in find_module_sections()
2504 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
2505 if (!mod->ctors) in find_module_sections()
2506 mod->ctors = section_objs(info, ".init_array", in find_module_sections()
2507 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
2514 mod->name); in find_module_sections()
2519 mod->noinstr_text_start = section_objs(info, ".noinstr.text", 1, in find_module_sections()
2520 &mod->noinstr_text_size); in find_module_sections()
2523 mod->tracepoints_ptrs = section_objs(info, "__tracepoints_ptrs", in find_module_sections()
2524 sizeof(*mod->tracepoints_ptrs), in find_module_sections()
2525 &mod->num_tracepoints); in find_module_sections()
2528 mod->srcu_struct_ptrs = section_objs(info, "___srcu_struct_ptrs", in find_module_sections()
2529 sizeof(*mod->srcu_struct_ptrs), in find_module_sections()
2530 &mod->num_srcu_structs); in find_module_sections()
2533 mod->bpf_raw_events = section_objs(info, "__bpf_raw_tp_map", in find_module_sections()
2534 sizeof(*mod->bpf_raw_events), in find_module_sections()
2535 &mod->num_bpf_raw_events); in find_module_sections()
2538 mod->btf_data = any_section_objs(info, ".BTF", 1, &mod->btf_data_size); in find_module_sections()
2539 mod->btf_base_data = any_section_objs(info, ".BTF.base", 1, in find_module_sections()
2540 &mod->btf_base_data_size); in find_module_sections()
2543 mod->jump_entries = section_objs(info, "__jump_table", in find_module_sections()
2544 sizeof(*mod->jump_entries), in find_module_sections()
2545 &mod->num_jump_entries); in find_module_sections()
2548 mod->trace_events = section_objs(info, "_ftrace_events", in find_module_sections()
2549 sizeof(*mod->trace_events), in find_module_sections()
2550 &mod->num_trace_events); in find_module_sections()
2551 mod->trace_evals = section_objs(info, "_ftrace_eval_map", in find_module_sections()
2552 sizeof(*mod->trace_evals), in find_module_sections()
2553 &mod->num_trace_evals); in find_module_sections()
2556 mod->trace_bprintk_fmt_start = section_objs(info, "__trace_printk_fmt", in find_module_sections()
2557 sizeof(*mod->trace_bprintk_fmt_start), in find_module_sections()
2558 &mod->num_trace_bprintk_fmt); in find_module_sections()
2562 mod->ftrace_callsites = section_objs(info, FTRACE_CALLSITE_SECTION, in find_module_sections()
2563 sizeof(*mod->ftrace_callsites), in find_module_sections()
2564 &mod->num_ftrace_callsites); in find_module_sections()
2567 mod->ei_funcs = section_objs(info, "_error_injection_whitelist", in find_module_sections()
2568 sizeof(*mod->ei_funcs), in find_module_sections()
2569 &mod->num_ei_funcs); in find_module_sections()
2572 mod->kprobes_text_start = section_objs(info, ".kprobes.text", 1, in find_module_sections()
2573 &mod->kprobes_text_size); in find_module_sections()
2574 mod->kprobe_blacklist = section_objs(info, "_kprobe_blacklist", in find_module_sections()
2576 &mod->num_kprobe_blacklist); in find_module_sections()
2579 mod->printk_index_start = section_objs(info, ".printk_index", in find_module_sections()
2580 sizeof(*mod->printk_index_start), in find_module_sections()
2581 &mod->printk_index_size); in find_module_sections()
2584 mod->static_call_sites = section_objs(info, ".static_call_sites", in find_module_sections()
2585 sizeof(*mod->static_call_sites), in find_module_sections()
2586 &mod->num_static_call_sites); in find_module_sections()
2589 mod->kunit_suites = section_objs(info, ".kunit_test_suites", in find_module_sections()
2590 sizeof(*mod->kunit_suites), in find_module_sections()
2591 &mod->num_kunit_suites); in find_module_sections()
2592 mod->kunit_init_suites = section_objs(info, ".kunit_init_test_suites", in find_module_sections()
2593 sizeof(*mod->kunit_init_suites), in find_module_sections()
2594 &mod->num_kunit_init_suites); in find_module_sections()
2597 mod->extable = section_objs(info, "__ex_table", in find_module_sections()
2598 sizeof(*mod->extable), &mod->num_exentries); in find_module_sections()
2601 pr_warn("%s: Ignoring obsolete parameters\n", mod->name); in find_module_sections()
2604 mod->dyndbg_info.descs = section_objs(info, "__dyndbg", in find_module_sections()
2605 sizeof(*mod->dyndbg_info.descs), in find_module_sections()
2606 &mod->dyndbg_info.num_descs); in find_module_sections()
2607 mod->dyndbg_info.classes = section_objs(info, "__dyndbg_classes", in find_module_sections()
2608 sizeof(*mod->dyndbg_info.classes), in find_module_sections()
2609 &mod->dyndbg_info.num_classes); in find_module_sections()
2615 static int move_module(struct module *mod, struct load_info *info) in move_module() argument
2623 if (!mod->mem[type].size) { in move_module()
2624 mod->mem[type].base = NULL; in move_module()
2628 ret = module_memory_alloc(mod, type); in move_module()
2636 pr_debug("Final section addresses for %s:\n", mod->name); in move_module()
2650 if (codetag_needs_module_section(mod, sname, shdr->sh_size)) { in move_module()
2651 dest = codetag_alloc_module_section(mod, sname, shdr->sh_size, in move_module()
2652 arch_mod_section_prepend(mod, i), shdr->sh_addralign); in move_module()
2666 dest = mod->mem[type].base + offset; in move_module()
2676 if (i == info->index.mod && in move_module()
2696 module_memory_restore_rox(mod); in move_module()
2698 module_memory_free(mod, t); in move_module()
2700 codetag_free_module_sections(mod); in move_module()
2705 static int check_export_symbol_versions(struct module *mod) in check_export_symbol_versions() argument
2708 if ((mod->num_syms && !mod->crcs) || in check_export_symbol_versions()
2709 (mod->num_gpl_syms && !mod->gpl_crcs)) { in check_export_symbol_versions()
2710 return try_to_force_load(mod, in check_export_symbol_versions()
2717 static void flush_module_icache(const struct module *mod) in flush_module_icache() argument
2725 const struct module_memory *mod_mem = &mod->mem[type]; in flush_module_icache()
2742 struct module *mod) in module_frob_arch_sections() argument
2770 struct module *mod; in layout_and_allocate() local
2776 info->secstrings, info->mod); in layout_and_allocate()
2781 info->secstrings, info->mod); in layout_and_allocate()
2811 layout_sections(info->mod, info); in layout_and_allocate()
2812 layout_symtab(info->mod, info); in layout_and_allocate()
2815 err = move_module(info->mod, info); in layout_and_allocate()
2820 mod = (void *)info->sechdrs[info->index.mod].sh_addr; in layout_and_allocate()
2821 kmemleak_load_module(mod, info); in layout_and_allocate()
2822 codetag_module_replaced(info->mod, mod); in layout_and_allocate()
2824 return mod; in layout_and_allocate()
2828 static void module_deallocate(struct module *mod, struct load_info *info) in module_deallocate() argument
2830 percpu_modfree(mod); in module_deallocate()
2831 module_arch_freeing_init(mod); in module_deallocate()
2832 codetag_free_module_sections(mod); in module_deallocate()
2834 free_mod_mem(mod); in module_deallocate()
2844 static int post_relocation(struct module *mod, const struct load_info *info) in post_relocation() argument
2847 sort_extable(mod->extable, mod->extable + mod->num_exentries); in post_relocation()
2850 percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr, in post_relocation()
2854 add_kallsyms(mod, info); in post_relocation()
2857 return module_finalize(info->hdr, info->sechdrs, mod); in post_relocation()
2861 static void do_mod_ctors(struct module *mod) in do_mod_ctors() argument
2866 for (i = 0; i < mod->num_ctors; i++) in do_mod_ctors()
2867 mod->ctors[i](); in do_mod_ctors()
2914 static noinline int do_init_module(struct module *mod) in do_init_module() argument
2922 const struct module_memory *mod_mem = &mod->mem[type]; in do_init_module()
2936 freeinit->init_text = mod->mem[MOD_INIT_TEXT].base; in do_init_module()
2937 freeinit->init_data = mod->mem[MOD_INIT_DATA].base; in do_init_module()
2938 freeinit->init_rodata = mod->mem[MOD_INIT_RODATA].base; in do_init_module()
2940 do_mod_ctors(mod); in do_init_module()
2942 if (mod->init != NULL) in do_init_module()
2943 ret = do_one_initcall(mod->init); in do_init_module()
2951 __func__, mod->name, ret, __func__); in do_init_module()
2956 mod->state = MODULE_STATE_LIVE; in do_init_module()
2958 MODULE_STATE_LIVE, mod); in do_init_module()
2961 kobject_uevent(&mod->mkobj.kobj, KOBJ_ADD); in do_init_module()
2971 if (!mod->async_probe_requested) in do_init_module()
2974 ftrace_free_mem(mod, mod->mem[MOD_INIT_TEXT].base, in do_init_module()
2975 mod->mem[MOD_INIT_TEXT].base + mod->mem[MOD_INIT_TEXT].size); in do_init_module()
2978 module_put(mod); in do_init_module()
2979 trim_init_extable(mod); in do_init_module()
2982 rcu_assign_pointer(mod->kallsyms, &mod->core_kallsyms); in do_init_module()
2984 ret = module_enable_rodata_ro_after_init(mod); in do_init_module()
2988 mod->name, ret); in do_init_module()
2990 mod_tree_remove_init(mod); in do_init_module()
2991 module_arch_freeing_init(mod); in do_init_module()
2993 mod->mem[type].base = NULL; in do_init_module()
2994 mod->mem[type].size = 0; in do_init_module()
2999 mod->btf_data = NULL; in do_init_module()
3000 mod->btf_base_data = NULL; in do_init_module()
3032 mod->state = MODULE_STATE_GOING; in do_init_module()
3034 module_put(mod); in do_init_module()
3036 MODULE_STATE_GOING, mod); in do_init_module()
3037 klp_module_going(mod); in do_init_module()
3038 ftrace_release_mod(mod); in do_init_module()
3039 free_module(mod); in do_init_module()
3056 struct module *mod; in finished_loading() local
3066 mod = find_module_all(name, strlen(name), true); in finished_loading()
3067 ret = !mod || mod->state == MODULE_STATE_LIVE in finished_loading()
3068 || mod->state == MODULE_STATE_GOING; in finished_loading()
3119 static int add_unformed_module(struct module *mod) in add_unformed_module() argument
3123 mod->state = MODULE_STATE_UNFORMED; in add_unformed_module()
3126 err = module_patient_check_exists(mod->name, FAIL_DUP_MOD_LOAD); in add_unformed_module()
3130 mod_update_bounds(mod); in add_unformed_module()
3131 list_add_rcu(&mod->list, &modules); in add_unformed_module()
3132 mod_tree_insert(mod); in add_unformed_module()
3140 static int complete_formation(struct module *mod, struct load_info *info) in complete_formation() argument
3147 err = verify_exported_symbols(mod); in complete_formation()
3152 module_bug_finalize(info->hdr, info->sechdrs, mod); in complete_formation()
3153 module_cfi_finalize(info->hdr, info->sechdrs, mod); in complete_formation()
3155 err = module_enable_rodata_ro(mod); in complete_formation()
3158 err = module_enable_data_nx(mod); in complete_formation()
3161 err = module_enable_text_rox(mod); in complete_formation()
3169 mod->state = MODULE_STATE_COMING; in complete_formation()
3175 module_bug_cleanup(mod); in complete_formation()
3181 static int prepare_coming_module(struct module *mod) in prepare_coming_module() argument
3185 ftrace_module_enable(mod); in prepare_coming_module()
3186 err = klp_module_coming(mod); in prepare_coming_module()
3191 MODULE_STATE_COMING, MODULE_STATE_GOING, mod); in prepare_coming_module()
3194 klp_module_going(mod); in prepare_coming_module()
3202 struct module *mod = arg; in unknown_module_param_cb() local
3206 if (kstrtobool(val, &mod->async_probe_requested)) in unknown_module_param_cb()
3207 mod->async_probe_requested = true; in unknown_module_param_cb()
3237 if (!check_modstruct_version(info, info->mod)) in early_mod_check()
3240 err = check_modinfo(info->mod, info, flags); in early_mod_check()
3245 err = module_patient_check_exists(info->mod->name, FAIL_DUP_MOD_BECOMING); in early_mod_check()
3258 struct module *mod; in load_module() local
3293 mod = layout_and_allocate(info, flags); in load_module()
3294 if (IS_ERR(mod)) { in load_module()
3295 err = PTR_ERR(mod); in load_module()
3301 audit_log_kern_module(mod->name); in load_module()
3304 err = add_unformed_module(mod); in load_module()
3312 module_augment_kernel_taints(mod, info); in load_module()
3315 err = percpu_modalloc(mod, info); in load_module()
3320 err = module_unload_init(mod); in load_module()
3324 init_param_lock(mod); in load_module()
3330 err = find_module_sections(mod, info); in load_module()
3334 err = check_export_symbol_versions(mod); in load_module()
3339 setup_modinfo(mod, info); in load_module()
3342 err = simplify_symbols(mod, info); in load_module()
3346 err = apply_relocations(mod, info); in load_module()
3350 err = post_relocation(mod, info); in load_module()
3354 flush_module_icache(mod); in load_module()
3357 mod->args = strndup_user(uargs, ~0UL >> 1); in load_module()
3358 if (IS_ERR(mod->args)) { in load_module()
3359 err = PTR_ERR(mod->args); in load_module()
3363 init_build_id(mod, info); in load_module()
3366 ftrace_module_init(mod); in load_module()
3369 err = complete_formation(mod, info); in load_module()
3373 err = prepare_coming_module(mod); in load_module()
3377 mod->async_probe_requested = async_probe; in load_module()
3380 after_dashes = parse_args(mod->name, mod->args, mod->kp, mod->num_kp, in load_module()
3381 -32768, 32767, mod, in load_module()
3388 mod->name, after_dashes); in load_module()
3392 err = mod_sysfs_setup(mod, info, mod->kp, mod->num_kp); in load_module()
3396 if (is_livepatch_module(mod)) { in load_module()
3397 err = copy_module_elf(mod, info); in load_module()
3405 codetag_load_module(mod); in load_module()
3408 trace_module_load(mod); in load_module()
3410 return do_init_module(mod); in load_module()
3413 mod_sysfs_teardown(mod); in load_module()
3415 mod->state = MODULE_STATE_GOING; in load_module()
3416 destroy_params(mod->kp, mod->num_kp); in load_module()
3418 MODULE_STATE_GOING, mod); in load_module()
3419 klp_module_going(mod); in load_module()
3421 mod->state = MODULE_STATE_GOING; in load_module()
3424 module_bug_cleanup(mod); in load_module()
3428 ftrace_release_mod(mod); in load_module()
3430 kfree(mod->args); in load_module()
3432 module_arch_cleanup(mod); in load_module()
3434 free_modinfo(mod); in load_module()
3436 module_unload_free(mod); in load_module()
3440 list_del_rcu(&mod->list); in load_module()
3441 mod_tree_remove(mod); in load_module()
3450 lockdep_free_key_range(mod->mem[type].base, in load_module()
3451 mod->mem[type].size); in load_module()
3454 module_memory_restore_rox(mod); in load_module()
3455 module_deallocate(mod, info); in load_module()
3642 char *module_flags(struct module *mod, char *buf, bool show_state) in module_flags() argument
3646 BUG_ON(mod->state == MODULE_STATE_UNFORMED); in module_flags()
3647 if (!mod->taints && !show_state) in module_flags()
3649 if (mod->taints || in module_flags()
3650 mod->state == MODULE_STATE_GOING || in module_flags()
3651 mod->state == MODULE_STATE_COMING) { in module_flags()
3653 bx += module_flags_taint(mod->taints, buf + bx); in module_flags()
3655 if (mod->state == MODULE_STATE_GOING && show_state) in module_flags()
3658 if (mod->state == MODULE_STATE_COMING && show_state) in module_flags()
3671 struct module *mod; in search_module_extables() local
3674 mod = __module_address(addr); in search_module_extables()
3675 if (!mod) in search_module_extables()
3678 if (!mod->num_exentries) in search_module_extables()
3687 return search_extable(mod->extable, mod->num_exentries, addr); in search_module_extables()
3712 struct module *mod; in __module_address() local
3725 mod = mod_find(addr, &mod_tree); in __module_address()
3726 if (mod) { in __module_address()
3727 BUG_ON(!within_module(addr, mod)); in __module_address()
3728 if (mod->state == MODULE_STATE_UNFORMED) in __module_address()
3729 mod = NULL; in __module_address()
3731 return mod; in __module_address()
3748 void module_for_each_mod(int(*func)(struct module *mod, void *data), void *data) in module_for_each_mod() argument
3750 struct module *mod; in module_for_each_mod() local
3753 list_for_each_entry_rcu(mod, &modules, list) { in module_for_each_mod()
3754 if (mod->state == MODULE_STATE_UNFORMED) in module_for_each_mod()
3756 if (func(mod, data)) in module_for_each_mod()
3770 struct module *mod = __module_address(addr); in __module_text_address() local
3771 if (mod) { in __module_text_address()
3773 if (!within_module_mem_type(addr, mod, MOD_TEXT) && in __module_text_address()
3774 !within_module_mem_type(addr, mod, MOD_INIT_TEXT)) in __module_text_address()
3775 mod = NULL; in __module_text_address()
3777 return mod; in __module_text_address()
3783 struct module *mod; in print_modules() local
3789 list_for_each_entry_rcu(mod, &modules, list) { in print_modules()
3790 if (mod->state == MODULE_STATE_UNFORMED) in print_modules()
3792 pr_cont(" %s%s", mod->name, module_flags(mod, buf, true)); in print_modules()