Lines Matching refs:mod
172 static void mod_tree_insert(struct module *mod) in mod_tree_insert() argument
174 mod->core_layout.mtn.mod = mod; in mod_tree_insert()
175 mod->init_layout.mtn.mod = mod; in mod_tree_insert()
177 __mod_tree_insert(&mod->core_layout.mtn); in mod_tree_insert()
178 if (mod->init_layout.size) in mod_tree_insert()
179 __mod_tree_insert(&mod->init_layout.mtn); in mod_tree_insert()
182 static void mod_tree_remove_init(struct module *mod) in mod_tree_remove_init() argument
184 if (mod->init_layout.size) in mod_tree_remove_init()
185 __mod_tree_remove(&mod->init_layout.mtn); in mod_tree_remove_init()
188 static void mod_tree_remove(struct module *mod) in mod_tree_remove() argument
190 __mod_tree_remove(&mod->core_layout.mtn); in mod_tree_remove()
191 mod_tree_remove_init(mod); in mod_tree_remove()
202 return container_of(ltn, struct mod_tree_node, node)->mod; in mod_find()
209 static void mod_tree_insert(struct module *mod) { } in mod_tree_insert() argument
210 static void mod_tree_remove_init(struct module *mod) { } in mod_tree_remove_init() argument
211 static void mod_tree_remove(struct module *mod) { } in mod_tree_remove() argument
215 struct module *mod; in mod_find() local
217 list_for_each_entry_rcu(mod, &modules, list) { in mod_find()
218 if (within_module(addr, mod)) in mod_find()
219 return mod; in mod_find()
242 static void mod_update_bounds(struct module *mod) in mod_update_bounds() argument
244 __mod_update_bounds(mod->core_layout.base, mod->core_layout.size); in mod_update_bounds()
245 if (mod->init_layout.size) in mod_update_bounds()
246 __mod_update_bounds(mod->init_layout.base, mod->init_layout.size); in mod_update_bounds()
313 static inline int strong_try_module_get(struct module *mod) in strong_try_module_get() argument
315 BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED); in strong_try_module_get()
316 if (mod && mod->state == MODULE_STATE_COMING) in strong_try_module_get()
318 if (try_module_get(mod)) in strong_try_module_get()
324 static inline void add_taint_module(struct module *mod, unsigned flag, in add_taint_module() argument
328 set_bit(flag, &mod->taints); in add_taint_module()
335 void __noreturn __module_put_and_exit(struct module *mod, long code) in __module_put_and_exit() argument
337 module_put(mod); in __module_put_and_exit()
426 struct module *mod; in each_symbol_section() local
451 list_for_each_entry_rcu(mod, &modules, list) { in each_symbol_section()
453 { mod->syms, mod->syms + mod->num_syms, mod->crcs, in each_symbol_section()
455 { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms, in each_symbol_section()
456 mod->gpl_crcs, in each_symbol_section()
458 { mod->gpl_future_syms, in each_symbol_section()
459 mod->gpl_future_syms + mod->num_gpl_future_syms, in each_symbol_section()
460 mod->gpl_future_crcs, in each_symbol_section()
463 { mod->unused_syms, in each_symbol_section()
464 mod->unused_syms + mod->num_unused_syms, in each_symbol_section()
465 mod->unused_crcs, in each_symbol_section()
467 { mod->unused_gpl_syms, in each_symbol_section()
468 mod->unused_gpl_syms + mod->num_unused_gpl_syms, in each_symbol_section()
469 mod->unused_gpl_crcs, in each_symbol_section()
474 if (mod->state == MODULE_STATE_UNFORMED) in each_symbol_section()
477 if (each_symbol_in_section(arr, ARRAY_SIZE(arr), mod, fn, data)) in each_symbol_section()
615 struct module *mod; in find_module_all() local
619 list_for_each_entry_rcu(mod, &modules, list) { in find_module_all()
620 if (!even_unformed && mod->state == MODULE_STATE_UNFORMED) in find_module_all()
622 if (strlen(mod->name) == len && !memcmp(mod->name, name, len)) in find_module_all()
623 return mod; in find_module_all()
637 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
639 return mod->percpu; in mod_percpu()
642 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
652 mod->name, align, PAGE_SIZE); in percpu_modalloc()
656 mod->percpu = __alloc_reserved_percpu(pcpusec->sh_size, align); in percpu_modalloc()
657 if (!mod->percpu) { in percpu_modalloc()
659 mod->name, (unsigned long)pcpusec->sh_size); in percpu_modalloc()
662 mod->percpu_size = pcpusec->sh_size; in percpu_modalloc()
666 static void percpu_modfree(struct module *mod) in percpu_modfree() argument
668 free_percpu(mod->percpu); in percpu_modfree()
676 static void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
682 memcpy(per_cpu_ptr(mod->percpu, cpu), from, size); in percpu_modcopy()
687 struct module *mod; in __is_module_percpu_address() local
692 list_for_each_entry_rcu(mod, &modules, list) { in __is_module_percpu_address()
693 if (mod->state == MODULE_STATE_UNFORMED) in __is_module_percpu_address()
695 if (!mod->percpu_size) in __is_module_percpu_address()
698 void *start = per_cpu_ptr(mod->percpu, cpu); in __is_module_percpu_address()
701 if (va >= start && va < start + mod->percpu_size) { in __is_module_percpu_address()
705 per_cpu_ptr(mod->percpu, in __is_module_percpu_address()
734 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
738 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
745 static inline void percpu_modfree(struct module *mod) in percpu_modfree() argument
752 static inline void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
771 static void setup_modinfo_##field(struct module *mod, const char *s) \
773 mod->field = kstrdup(s, GFP_KERNEL); \
778 return scnprintf(buffer, PAGE_SIZE, "%s\n", mk->mod->field); \
780 static int modinfo_##field##_exists(struct module *mod) \
782 return mod->field != NULL; \
784 static void free_modinfo_##field(struct module *mod) \
786 kfree(mod->field); \
787 mod->field = NULL; \
810 static int module_unload_init(struct module *mod) in module_unload_init() argument
816 atomic_set(&mod->refcnt, MODULE_REF_BASE); in module_unload_init()
818 INIT_LIST_HEAD(&mod->source_list); in module_unload_init()
819 INIT_LIST_HEAD(&mod->target_list); in module_unload_init()
822 atomic_inc(&mod->refcnt); in module_unload_init()
888 static void module_unload_free(struct module *mod) in module_unload_free() argument
893 list_for_each_entry_safe(use, tmp, &mod->target_list, target_list) { in module_unload_free()
895 pr_debug("%s unusing %s\n", mod->name, i->name); in module_unload_free()
920 static int try_release_module_ref(struct module *mod) in try_release_module_ref() argument
925 ret = atomic_sub_return(MODULE_REF_BASE, &mod->refcnt); in try_release_module_ref()
929 ret = atomic_add_unless(&mod->refcnt, MODULE_REF_BASE, 0); in try_release_module_ref()
934 static int try_stop_module(struct module *mod, int flags, int *forced) in try_stop_module() argument
937 if (try_release_module_ref(mod) != 0) { in try_stop_module()
944 mod->state = MODULE_STATE_GOING; in try_stop_module()
958 int module_refcount(struct module *mod) in module_refcount() argument
960 return atomic_read(&mod->refcnt) - MODULE_REF_BASE; in module_refcount()
965 static void free_module(struct module *mod);
970 struct module *mod; in SYSCALL_DEFINE2() local
986 mod = find_module(name); in SYSCALL_DEFINE2()
987 if (!mod) { in SYSCALL_DEFINE2()
992 if (!list_empty(&mod->source_list)) { in SYSCALL_DEFINE2()
999 if (mod->state != MODULE_STATE_LIVE) { in SYSCALL_DEFINE2()
1001 pr_debug("%s already dying\n", mod->name); in SYSCALL_DEFINE2()
1007 if (mod->init && !mod->exit) { in SYSCALL_DEFINE2()
1017 ret = try_stop_module(mod, flags, &forced); in SYSCALL_DEFINE2()
1023 if (mod->exit != NULL) in SYSCALL_DEFINE2()
1024 mod->exit(); in SYSCALL_DEFINE2()
1026 MODULE_STATE_GOING, mod); in SYSCALL_DEFINE2()
1027 klp_module_going(mod); in SYSCALL_DEFINE2()
1028 ftrace_release_mod(mod); in SYSCALL_DEFINE2()
1033 strlcpy(last_unloaded_module, mod->name, sizeof(last_unloaded_module)); in SYSCALL_DEFINE2()
1035 free_module(mod); in SYSCALL_DEFINE2()
1042 static inline void print_unload_info(struct seq_file *m, struct module *mod) in print_unload_info() argument
1047 seq_printf(m, " %i ", module_refcount(mod)); in print_unload_info()
1053 list_for_each_entry(use, &mod->source_list, source_list) { in print_unload_info()
1058 if (mod->init != NULL && mod->exit == NULL) { in print_unload_info()
1103 return sprintf(buffer, "%i\n", module_refcount(mk->mod)); in show_refcnt()
1154 static inline void print_unload_info(struct seq_file *m, struct module *mod) in print_unload_info() argument
1160 static inline void module_unload_free(struct module *mod) in module_unload_free() argument
1170 static inline int module_unload_init(struct module *mod) in module_unload_init() argument
1176 static size_t module_flags_taint(struct module *mod, char *buf) in module_flags_taint() argument
1182 if (taint_flags[i].module && test_bit(i, &mod->taints)) in module_flags_taint()
1194 switch (mk->mod->state) { in show_initstate()
1229 return sprintf(buffer, "%u\n", mk->mod->core_layout.size); in show_coresize()
1238 return sprintf(buffer, "%u\n", mk->mod->init_layout.size); in show_initsize()
1249 l = module_flags_taint(mk->mod, buffer); in show_taint()
1273 static int try_to_force_load(struct module *mod, const char *reason) in try_to_force_load() argument
1277 pr_warn("%s: %s: kernel tainted.\n", mod->name, reason); in try_to_force_load()
1278 add_taint_module(mod, TAINT_FORCED_MODULE, LOCKDEP_NOW_UNRELIABLE); in try_to_force_load()
1294 struct module *mod, in check_version() argument
1308 return try_to_force_load(mod, symname) == 0; in check_version()
1342 struct module *mod) in check_modstruct_version() argument
1356 return check_version(info, "module_layout", mod, crc); in check_modstruct_version()
1372 struct module *mod, in check_version() argument
1379 struct module *mod) in check_modstruct_version() argument
1397 struct module *mod) in verify_namespace_is_imported() argument
1417 mod->name, kernel_symbol_name(sym), namespace); in verify_namespace_is_imported()
1427 static const struct kernel_symbol *resolve_symbol(struct module *mod, in resolve_symbol() argument
1445 !(mod->taints & (1 << TAINT_PROPRIETARY_MODULE)), true); in resolve_symbol()
1449 if (!check_version(info, name, mod, crc)) { in resolve_symbol()
1454 err = verify_namespace_is_imported(info, sym, mod); in resolve_symbol()
1460 err = ref_module(mod, owner); in resolve_symbol()
1475 resolve_symbol_wait(struct module *mod, in resolve_symbol_wait() argument
1483 !IS_ERR(ksym = resolve_symbol(mod, info, name, owner)) in resolve_symbol_wait()
1487 mod->name, owner); in resolve_symbol_wait()
1534 static void add_sect_attrs(struct module *mod, const struct load_info *info) in add_sect_attrs() argument
1578 if (sysfs_create_group(&mod->mkobj.kobj, §_attrs->grp)) in add_sect_attrs()
1581 mod->sect_attrs = sect_attrs; in add_sect_attrs()
1587 static void remove_sect_attrs(struct module *mod) in remove_sect_attrs() argument
1589 if (mod->sect_attrs) { in remove_sect_attrs()
1590 sysfs_remove_group(&mod->mkobj.kobj, in remove_sect_attrs()
1591 &mod->sect_attrs->grp); in remove_sect_attrs()
1594 free_sect_attrs(mod->sect_attrs); in remove_sect_attrs()
1595 mod->sect_attrs = NULL; in remove_sect_attrs()
1632 static void add_notes_attrs(struct module *mod, const struct load_info *info) in add_notes_attrs() argument
1639 if (!mod->sect_attrs) in add_notes_attrs()
1664 nattr->attr.name = mod->sect_attrs->attrs[loaded].name; in add_notes_attrs()
1674 notes_attrs->dir = kobject_create_and_add("notes", &mod->mkobj.kobj); in add_notes_attrs()
1683 mod->notes_attrs = notes_attrs; in add_notes_attrs()
1690 static void remove_notes_attrs(struct module *mod) in remove_notes_attrs() argument
1692 if (mod->notes_attrs) in remove_notes_attrs()
1693 free_notes_attrs(mod->notes_attrs, mod->notes_attrs->notes); in remove_notes_attrs()
1698 static inline void add_sect_attrs(struct module *mod, in add_sect_attrs() argument
1703 static inline void remove_sect_attrs(struct module *mod) in remove_sect_attrs() argument
1707 static inline void add_notes_attrs(struct module *mod, in add_notes_attrs() argument
1712 static inline void remove_notes_attrs(struct module *mod) in remove_notes_attrs() argument
1717 static void del_usage_links(struct module *mod) in del_usage_links() argument
1723 list_for_each_entry(use, &mod->target_list, target_list) in del_usage_links()
1724 sysfs_remove_link(use->target->holders_dir, mod->name); in del_usage_links()
1729 static int add_usage_links(struct module *mod) in add_usage_links() argument
1736 list_for_each_entry(use, &mod->target_list, target_list) { in add_usage_links()
1738 &mod->mkobj.kobj, mod->name); in add_usage_links()
1744 del_usage_links(mod); in add_usage_links()
1749 static void module_remove_modinfo_attrs(struct module *mod, int end);
1751 static int module_add_modinfo_attrs(struct module *mod) in module_add_modinfo_attrs() argument
1758 mod->modinfo_attrs = kzalloc((sizeof(struct module_attribute) * in module_add_modinfo_attrs()
1761 if (!mod->modinfo_attrs) in module_add_modinfo_attrs()
1764 temp_attr = mod->modinfo_attrs; in module_add_modinfo_attrs()
1766 if (!attr->test || attr->test(mod)) { in module_add_modinfo_attrs()
1769 error = sysfs_create_file(&mod->mkobj.kobj, in module_add_modinfo_attrs()
1781 module_remove_modinfo_attrs(mod, --i); in module_add_modinfo_attrs()
1785 static void module_remove_modinfo_attrs(struct module *mod, int end) in module_remove_modinfo_attrs() argument
1790 for (i = 0; (attr = &mod->modinfo_attrs[i]); i++) { in module_remove_modinfo_attrs()
1796 sysfs_remove_file(&mod->mkobj.kobj, &attr->attr); in module_remove_modinfo_attrs()
1798 attr->free(mod); in module_remove_modinfo_attrs()
1800 kfree(mod->modinfo_attrs); in module_remove_modinfo_attrs()
1803 static void mod_kobject_put(struct module *mod) in mod_kobject_put() argument
1806 mod->mkobj.kobj_completion = &c; in mod_kobject_put()
1807 kobject_put(&mod->mkobj.kobj); in mod_kobject_put()
1811 static int mod_sysfs_init(struct module *mod) in mod_sysfs_init() argument
1817 pr_err("%s: module sysfs not initialized\n", mod->name); in mod_sysfs_init()
1822 kobj = kset_find_obj(module_kset, mod->name); in mod_sysfs_init()
1824 pr_err("%s: module is already loaded\n", mod->name); in mod_sysfs_init()
1830 mod->mkobj.mod = mod; in mod_sysfs_init()
1832 memset(&mod->mkobj.kobj, 0, sizeof(mod->mkobj.kobj)); in mod_sysfs_init()
1833 mod->mkobj.kobj.kset = module_kset; in mod_sysfs_init()
1834 err = kobject_init_and_add(&mod->mkobj.kobj, &module_ktype, NULL, in mod_sysfs_init()
1835 "%s", mod->name); in mod_sysfs_init()
1837 mod_kobject_put(mod); in mod_sysfs_init()
1844 static int mod_sysfs_setup(struct module *mod, in mod_sysfs_setup() argument
1851 err = mod_sysfs_init(mod); in mod_sysfs_setup()
1855 mod->holders_dir = kobject_create_and_add("holders", &mod->mkobj.kobj); in mod_sysfs_setup()
1856 if (!mod->holders_dir) { in mod_sysfs_setup()
1861 err = module_param_sysfs_setup(mod, kparam, num_params); in mod_sysfs_setup()
1865 err = module_add_modinfo_attrs(mod); in mod_sysfs_setup()
1869 err = add_usage_links(mod); in mod_sysfs_setup()
1873 add_sect_attrs(mod, info); in mod_sysfs_setup()
1874 add_notes_attrs(mod, info); in mod_sysfs_setup()
1876 kobject_uevent(&mod->mkobj.kobj, KOBJ_ADD); in mod_sysfs_setup()
1880 module_remove_modinfo_attrs(mod, -1); in mod_sysfs_setup()
1882 module_param_sysfs_remove(mod); in mod_sysfs_setup()
1884 kobject_put(mod->holders_dir); in mod_sysfs_setup()
1886 mod_kobject_put(mod); in mod_sysfs_setup()
1891 static void mod_sysfs_fini(struct module *mod) in mod_sysfs_fini() argument
1893 remove_notes_attrs(mod); in mod_sysfs_fini()
1894 remove_sect_attrs(mod); in mod_sysfs_fini()
1895 mod_kobject_put(mod); in mod_sysfs_fini()
1898 static void init_param_lock(struct module *mod) in init_param_lock() argument
1900 mutex_init(&mod->param_lock); in init_param_lock()
1904 static int mod_sysfs_setup(struct module *mod, in mod_sysfs_setup() argument
1912 static void mod_sysfs_fini(struct module *mod) in mod_sysfs_fini() argument
1916 static void module_remove_modinfo_attrs(struct module *mod, int end) in module_remove_modinfo_attrs() argument
1920 static void del_usage_links(struct module *mod) in del_usage_links() argument
1924 static void init_param_lock(struct module *mod) in init_param_lock() argument
1929 static void mod_sysfs_teardown(struct module *mod) in mod_sysfs_teardown() argument
1931 del_usage_links(mod); in mod_sysfs_teardown()
1932 module_remove_modinfo_attrs(mod, -1); in mod_sysfs_teardown()
1933 module_param_sysfs_remove(mod); in mod_sysfs_teardown()
1934 kobject_put(mod->mkobj.drivers_dir); in mod_sysfs_teardown()
1935 kobject_put(mod->holders_dir); in mod_sysfs_teardown()
1936 mod_sysfs_fini(mod); in mod_sysfs_teardown()
1994 void module_disable_ro(const struct module *mod) in module_disable_ro() argument
1999 frob_text(&mod->core_layout, set_memory_rw); in module_disable_ro()
2000 frob_rodata(&mod->core_layout, set_memory_rw); in module_disable_ro()
2001 frob_ro_after_init(&mod->core_layout, set_memory_rw); in module_disable_ro()
2002 frob_text(&mod->init_layout, set_memory_rw); in module_disable_ro()
2003 frob_rodata(&mod->init_layout, set_memory_rw); in module_disable_ro()
2006 void module_enable_ro(const struct module *mod, bool after_init) in module_enable_ro() argument
2011 set_vm_flush_reset_perms(mod->core_layout.base); in module_enable_ro()
2012 set_vm_flush_reset_perms(mod->init_layout.base); in module_enable_ro()
2013 frob_text(&mod->core_layout, set_memory_ro); in module_enable_ro()
2015 frob_rodata(&mod->core_layout, set_memory_ro); in module_enable_ro()
2016 frob_text(&mod->init_layout, set_memory_ro); in module_enable_ro()
2017 frob_rodata(&mod->init_layout, set_memory_ro); in module_enable_ro()
2020 frob_ro_after_init(&mod->core_layout, set_memory_ro); in module_enable_ro()
2023 static void module_enable_nx(const struct module *mod) in module_enable_nx() argument
2025 frob_rodata(&mod->core_layout, set_memory_nx); in module_enable_nx()
2026 frob_ro_after_init(&mod->core_layout, set_memory_nx); in module_enable_nx()
2027 frob_writable_data(&mod->core_layout, set_memory_nx); in module_enable_nx()
2028 frob_rodata(&mod->init_layout, set_memory_nx); in module_enable_nx()
2029 frob_writable_data(&mod->init_layout, set_memory_nx); in module_enable_nx()
2035 struct module *mod; in set_all_modules_text_rw() local
2041 list_for_each_entry_rcu(mod, &modules, list) { in set_all_modules_text_rw()
2042 if (mod->state == MODULE_STATE_UNFORMED) in set_all_modules_text_rw()
2045 frob_text(&mod->core_layout, set_memory_rw); in set_all_modules_text_rw()
2046 frob_text(&mod->init_layout, set_memory_rw); in set_all_modules_text_rw()
2054 struct module *mod; in set_all_modules_text_ro() local
2060 list_for_each_entry_rcu(mod, &modules, list) { in set_all_modules_text_ro()
2066 if (mod->state == MODULE_STATE_UNFORMED || in set_all_modules_text_ro()
2067 mod->state == MODULE_STATE_GOING) in set_all_modules_text_ro()
2070 frob_text(&mod->core_layout, set_memory_ro); in set_all_modules_text_ro()
2071 frob_text(&mod->init_layout, set_memory_ro); in set_all_modules_text_ro()
2076 static void module_enable_nx(const struct module *mod) { } in module_enable_nx() argument
2078 static void module_enable_x(const struct module *mod) in module_enable_x() argument
2080 frob_text(&mod->core_layout, set_memory_x); in module_enable_x()
2081 frob_text(&mod->init_layout, set_memory_x); in module_enable_x()
2084 static void module_enable_nx(const struct module *mod) { } in module_enable_nx() argument
2085 static void module_enable_x(const struct module *mod) { } in module_enable_x() argument
2095 static int copy_module_elf(struct module *mod, struct load_info *info) in copy_module_elf() argument
2100 size = sizeof(*mod->klp_info); in copy_module_elf()
2101 mod->klp_info = kmalloc(size, GFP_KERNEL); in copy_module_elf()
2102 if (mod->klp_info == NULL) in copy_module_elf()
2106 size = sizeof(mod->klp_info->hdr); in copy_module_elf()
2107 memcpy(&mod->klp_info->hdr, info->hdr, size); in copy_module_elf()
2111 mod->klp_info->sechdrs = kmemdup(info->sechdrs, size, GFP_KERNEL); in copy_module_elf()
2112 if (mod->klp_info->sechdrs == NULL) { in copy_module_elf()
2119 mod->klp_info->secstrings = kmemdup(info->secstrings, size, GFP_KERNEL); in copy_module_elf()
2120 if (mod->klp_info->secstrings == NULL) { in copy_module_elf()
2127 mod->klp_info->symndx = symndx; in copy_module_elf()
2135 mod->klp_info->sechdrs[symndx].sh_addr = \ in copy_module_elf()
2136 (unsigned long) mod->core_kallsyms.symtab; in copy_module_elf()
2141 kfree(mod->klp_info->sechdrs); in copy_module_elf()
2143 kfree(mod->klp_info); in copy_module_elf()
2147 static void free_module_elf(struct module *mod) in free_module_elf() argument
2149 kfree(mod->klp_info->sechdrs); in free_module_elf()
2150 kfree(mod->klp_info->secstrings); in free_module_elf()
2151 kfree(mod->klp_info); in free_module_elf()
2154 static int copy_module_elf(struct module *mod, struct load_info *info) in copy_module_elf() argument
2159 static void free_module_elf(struct module *mod) in free_module_elf() argument
2174 void __weak module_arch_cleanup(struct module *mod) in module_arch_cleanup() argument
2178 void __weak module_arch_freeing_init(struct module *mod) in module_arch_freeing_init() argument
2183 static void free_module(struct module *mod) in free_module() argument
2185 trace_module_free(mod); in free_module()
2187 mod_sysfs_teardown(mod); in free_module()
2192 mod->state = MODULE_STATE_UNFORMED; in free_module()
2196 ddebug_remove_module(mod->name); in free_module()
2199 module_arch_cleanup(mod); in free_module()
2202 module_unload_free(mod); in free_module()
2205 destroy_params(mod->kp, mod->num_kp); in free_module()
2207 if (is_livepatch_module(mod)) in free_module()
2208 free_module_elf(mod); in free_module()
2213 list_del_rcu(&mod->list); in free_module()
2214 mod_tree_remove(mod); in free_module()
2216 module_bug_cleanup(mod); in free_module()
2222 module_arch_freeing_init(mod); in free_module()
2223 module_memfree(mod->init_layout.base); in free_module()
2224 kfree(mod->args); in free_module()
2225 percpu_modfree(mod); in free_module()
2228 lockdep_free_key_range(mod->core_layout.base, mod->core_layout.size); in free_module()
2231 module_memfree(mod->core_layout.base); in free_module()
2255 static int verify_exported_symbols(struct module *mod) in verify_exported_symbols() argument
2264 { mod->syms, mod->num_syms }, in verify_exported_symbols()
2265 { mod->gpl_syms, mod->num_gpl_syms }, in verify_exported_symbols()
2266 { mod->gpl_future_syms, mod->num_gpl_future_syms }, in verify_exported_symbols()
2268 { mod->unused_syms, mod->num_unused_syms }, in verify_exported_symbols()
2269 { mod->unused_gpl_syms, mod->num_unused_gpl_syms }, in verify_exported_symbols()
2279 mod->name, kernel_symbol_name(s), in verify_exported_symbols()
2289 static int simplify_symbols(struct module *mod, const struct load_info *info) in simplify_symbols() argument
2311 mod->name); in simplify_symbols()
2326 ksym = resolve_symbol_wait(mod, info, name); in simplify_symbols()
2339 mod->name, name, ret); in simplify_symbols()
2345 secbase = (unsigned long)mod_percpu(mod); in simplify_symbols()
2356 static int apply_relocations(struct module *mod, const struct load_info *info) in apply_relocations() argument
2379 info->index.sym, i, mod); in apply_relocations()
2382 info->index.sym, i, mod); in apply_relocations()
2390 unsigned int __weak arch_mod_section_prepend(struct module *mod, in arch_mod_section_prepend() argument
2398 static long get_offset(struct module *mod, unsigned int *size, in get_offset() argument
2403 *size += arch_mod_section_prepend(mod, section); in get_offset()
2413 static void layout_sections(struct module *mod, struct load_info *info) in layout_sections() argument
2441 s->sh_entsize = get_offset(mod, &mod->core_layout.size, s, i); in layout_sections()
2446 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_sections()
2447 mod->core_layout.text_size = mod->core_layout.size; in layout_sections()
2450 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_sections()
2451 mod->core_layout.ro_size = mod->core_layout.size; in layout_sections()
2454 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_sections()
2455 mod->core_layout.ro_after_init_size = mod->core_layout.size; in layout_sections()
2458 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_sections()
2474 s->sh_entsize = (get_offset(mod, &mod->init_layout.size, s, i) in layout_sections()
2480 mod->init_layout.size = debug_align(mod->init_layout.size); in layout_sections()
2481 mod->init_layout.text_size = mod->init_layout.size; in layout_sections()
2484 mod->init_layout.size = debug_align(mod->init_layout.size); in layout_sections()
2485 mod->init_layout.ro_size = mod->init_layout.size; in layout_sections()
2492 mod->init_layout.ro_after_init_size = mod->init_layout.ro_size; in layout_sections()
2495 mod->init_layout.size = debug_align(mod->init_layout.size); in layout_sections()
2501 static void set_license(struct module *mod, const char *license) in set_license() argument
2509 mod->name, license); in set_license()
2510 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in set_license()
2565 static void setup_modinfo(struct module *mod, struct load_info *info) in setup_modinfo() argument
2572 attr->setup(mod, get_modinfo(info, attr->attr.name)); in setup_modinfo()
2576 static void free_modinfo(struct module *mod) in free_modinfo() argument
2583 attr->free(mod); in free_modinfo()
2599 const struct module *mod) in is_exported() argument
2602 if (!mod) in is_exported()
2605 ks = lookup_exported_symbol(name, mod->syms, mod->syms + mod->num_syms); in is_exported()
2684 static void layout_symtab(struct module *mod, struct load_info *info) in layout_symtab() argument
2693 symsect->sh_entsize = get_offset(mod, &mod->init_layout.size, symsect, in layout_symtab()
2702 if (i == 0 || is_livepatch_module(mod) || in layout_symtab()
2711 info->symoffs = ALIGN(mod->core_layout.size, symsect->sh_addralign ?: 1); in layout_symtab()
2712 info->stroffs = mod->core_layout.size = info->symoffs + ndst * sizeof(Elf_Sym); in layout_symtab()
2713 mod->core_layout.size += strtab_size; in layout_symtab()
2714 info->core_typeoffs = mod->core_layout.size; in layout_symtab()
2715 mod->core_layout.size += ndst * sizeof(char); in layout_symtab()
2716 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_symtab()
2720 strsect->sh_entsize = get_offset(mod, &mod->init_layout.size, strsect, in layout_symtab()
2725 mod->init_layout.size = ALIGN(mod->init_layout.size, in layout_symtab()
2727 info->mod_kallsyms_init_off = mod->init_layout.size; in layout_symtab()
2728 mod->init_layout.size += sizeof(struct mod_kallsyms); in layout_symtab()
2729 info->init_typeoffs = mod->init_layout.size; in layout_symtab()
2730 mod->init_layout.size += nsrc * sizeof(char); in layout_symtab()
2731 mod->init_layout.size = debug_align(mod->init_layout.size); in layout_symtab()
2739 static void add_kallsyms(struct module *mod, const struct load_info *info) in add_kallsyms() argument
2748 mod->kallsyms = mod->init_layout.base + info->mod_kallsyms_init_off; in add_kallsyms()
2750 mod->kallsyms->symtab = (void *)symsec->sh_addr; in add_kallsyms()
2751 mod->kallsyms->num_symtab = symsec->sh_size / sizeof(Elf_Sym); in add_kallsyms()
2753 mod->kallsyms->strtab = (void *)info->sechdrs[info->index.str].sh_addr; in add_kallsyms()
2754 mod->kallsyms->typetab = mod->init_layout.base + info->init_typeoffs; in add_kallsyms()
2760 mod->core_kallsyms.symtab = dst = mod->core_layout.base + info->symoffs; in add_kallsyms()
2761 mod->core_kallsyms.strtab = s = mod->core_layout.base + info->stroffs; in add_kallsyms()
2762 mod->core_kallsyms.typetab = mod->core_layout.base + info->core_typeoffs; in add_kallsyms()
2763 src = mod->kallsyms->symtab; in add_kallsyms()
2764 for (ndst = i = 0; i < mod->kallsyms->num_symtab; i++) { in add_kallsyms()
2765 mod->kallsyms->typetab[i] = elf_type(src + i, info); in add_kallsyms()
2766 if (i == 0 || is_livepatch_module(mod) || in add_kallsyms()
2769 mod->core_kallsyms.typetab[ndst] = in add_kallsyms()
2770 mod->kallsyms->typetab[i]; in add_kallsyms()
2772 dst[ndst++].st_name = s - mod->core_kallsyms.strtab; in add_kallsyms()
2773 s += strlcpy(s, &mod->kallsyms->strtab[src[i].st_name], in add_kallsyms()
2777 mod->core_kallsyms.num_symtab = ndst; in add_kallsyms()
2780 static inline void layout_symtab(struct module *mod, struct load_info *info) in layout_symtab() argument
2784 static void add_kallsyms(struct module *mod, const struct load_info *info) in add_kallsyms() argument
2789 static void dynamic_debug_setup(struct module *mod, struct _ddebug *debug, unsigned int num) in dynamic_debug_setup() argument
2793 ddebug_add_module(debug, num, mod->name); in dynamic_debug_setup()
2796 static void dynamic_debug_remove(struct module *mod, struct _ddebug *debug) in dynamic_debug_remove() argument
2799 ddebug_remove_module(mod->name); in dynamic_debug_remove()
2813 static void kmemleak_load_module(const struct module *mod, in kmemleak_load_module() argument
2819 kmemleak_scan_area(mod, sizeof(struct module), GFP_KERNEL); in kmemleak_load_module()
2833 static inline void kmemleak_load_module(const struct module *mod, in kmemleak_load_module() argument
2845 const void *mod = info->hdr; in module_sig_check() local
2853 memcmp(mod + info->len - markerlen, MODULE_SIG_STRING, markerlen) == 0) { in module_sig_check()
2856 err = mod_verify_sig(mod, info); in module_sig_check()
2937 static int check_modinfo_livepatch(struct module *mod, struct load_info *info) in check_modinfo_livepatch() argument
2940 mod->klp = true; in check_modinfo_livepatch()
2941 add_taint_module(mod, TAINT_LIVEPATCH, LOCKDEP_STILL_OK); in check_modinfo_livepatch()
2943 mod->name); in check_modinfo_livepatch()
2949 static int check_modinfo_livepatch(struct module *mod, struct load_info *info) in check_modinfo_livepatch() argument
2953 mod->name); in check_modinfo_livepatch()
2961 static void check_modinfo_retpoline(struct module *mod, struct load_info *info) in check_modinfo_retpoline() argument
2967 mod->name); in check_modinfo_retpoline()
3076 info->index.mod = find_sec(info, ".gnu.linkonce.this_module"); in setup_load_info()
3077 if (!info->index.mod) { in setup_load_info()
3083 info->mod = (void *)info->hdr + info->sechdrs[info->index.mod].sh_offset; in setup_load_info()
3090 info->name = info->mod->name; in setup_load_info()
3102 static int check_modinfo(struct module *mod, struct load_info *info, int flags) in check_modinfo() argument
3112 err = try_to_force_load(mod, "bad vermagic"); in check_modinfo()
3124 mod->name); in check_modinfo()
3125 add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK); in check_modinfo()
3128 check_modinfo_retpoline(mod, info); in check_modinfo()
3131 add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK); in check_modinfo()
3133 "is unknown, you have been warned.\n", mod->name); in check_modinfo()
3136 err = check_modinfo_livepatch(mod, info); in check_modinfo()
3141 set_license(mod, get_modinfo(info, "license")); in check_modinfo()
3146 static int find_module_sections(struct module *mod, struct load_info *info) in find_module_sections() argument
3148 mod->kp = section_objs(info, "__param", in find_module_sections()
3149 sizeof(*mod->kp), &mod->num_kp); in find_module_sections()
3150 mod->syms = section_objs(info, "__ksymtab", in find_module_sections()
3151 sizeof(*mod->syms), &mod->num_syms); in find_module_sections()
3152 mod->crcs = section_addr(info, "__kcrctab"); in find_module_sections()
3153 mod->gpl_syms = section_objs(info, "__ksymtab_gpl", in find_module_sections()
3154 sizeof(*mod->gpl_syms), in find_module_sections()
3155 &mod->num_gpl_syms); in find_module_sections()
3156 mod->gpl_crcs = section_addr(info, "__kcrctab_gpl"); in find_module_sections()
3157 mod->gpl_future_syms = section_objs(info, in find_module_sections()
3159 sizeof(*mod->gpl_future_syms), in find_module_sections()
3160 &mod->num_gpl_future_syms); in find_module_sections()
3161 mod->gpl_future_crcs = section_addr(info, "__kcrctab_gpl_future"); in find_module_sections()
3164 mod->unused_syms = section_objs(info, "__ksymtab_unused", in find_module_sections()
3165 sizeof(*mod->unused_syms), in find_module_sections()
3166 &mod->num_unused_syms); in find_module_sections()
3167 mod->unused_crcs = section_addr(info, "__kcrctab_unused"); in find_module_sections()
3168 mod->unused_gpl_syms = section_objs(info, "__ksymtab_unused_gpl", in find_module_sections()
3169 sizeof(*mod->unused_gpl_syms), in find_module_sections()
3170 &mod->num_unused_gpl_syms); in find_module_sections()
3171 mod->unused_gpl_crcs = section_addr(info, "__kcrctab_unused_gpl"); in find_module_sections()
3174 mod->ctors = section_objs(info, ".ctors", in find_module_sections()
3175 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
3176 if (!mod->ctors) in find_module_sections()
3177 mod->ctors = section_objs(info, ".init_array", in find_module_sections()
3178 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
3185 mod->name); in find_module_sections()
3191 mod->tracepoints_ptrs = section_objs(info, "__tracepoints_ptrs", in find_module_sections()
3192 sizeof(*mod->tracepoints_ptrs), in find_module_sections()
3193 &mod->num_tracepoints); in find_module_sections()
3196 mod->srcu_struct_ptrs = section_objs(info, "___srcu_struct_ptrs", in find_module_sections()
3197 sizeof(*mod->srcu_struct_ptrs), in find_module_sections()
3198 &mod->num_srcu_structs); in find_module_sections()
3201 mod->bpf_raw_events = section_objs(info, "__bpf_raw_tp_map", in find_module_sections()
3202 sizeof(*mod->bpf_raw_events), in find_module_sections()
3203 &mod->num_bpf_raw_events); in find_module_sections()
3206 mod->jump_entries = section_objs(info, "__jump_table", in find_module_sections()
3207 sizeof(*mod->jump_entries), in find_module_sections()
3208 &mod->num_jump_entries); in find_module_sections()
3211 mod->trace_events = section_objs(info, "_ftrace_events", in find_module_sections()
3212 sizeof(*mod->trace_events), in find_module_sections()
3213 &mod->num_trace_events); in find_module_sections()
3214 mod->trace_evals = section_objs(info, "_ftrace_eval_map", in find_module_sections()
3215 sizeof(*mod->trace_evals), in find_module_sections()
3216 &mod->num_trace_evals); in find_module_sections()
3219 mod->trace_bprintk_fmt_start = section_objs(info, "__trace_printk_fmt", in find_module_sections()
3220 sizeof(*mod->trace_bprintk_fmt_start), in find_module_sections()
3221 &mod->num_trace_bprintk_fmt); in find_module_sections()
3225 mod->ftrace_callsites = section_objs(info, "__mcount_loc", in find_module_sections()
3226 sizeof(*mod->ftrace_callsites), in find_module_sections()
3227 &mod->num_ftrace_callsites); in find_module_sections()
3230 mod->ei_funcs = section_objs(info, "_error_injection_whitelist", in find_module_sections()
3231 sizeof(*mod->ei_funcs), in find_module_sections()
3232 &mod->num_ei_funcs); in find_module_sections()
3234 mod->extable = section_objs(info, "__ex_table", in find_module_sections()
3235 sizeof(*mod->extable), &mod->num_exentries); in find_module_sections()
3238 pr_warn("%s: Ignoring obsolete parameters\n", mod->name); in find_module_sections()
3246 static int move_module(struct module *mod, struct load_info *info) in move_module() argument
3252 ptr = module_alloc(mod->core_layout.size); in move_module()
3262 memset(ptr, 0, mod->core_layout.size); in move_module()
3263 mod->core_layout.base = ptr; in move_module()
3265 if (mod->init_layout.size) { in move_module()
3266 ptr = module_alloc(mod->init_layout.size); in move_module()
3275 module_memfree(mod->core_layout.base); in move_module()
3278 memset(ptr, 0, mod->init_layout.size); in move_module()
3279 mod->init_layout.base = ptr; in move_module()
3281 mod->init_layout.base = NULL; in move_module()
3293 dest = mod->init_layout.base in move_module()
3296 dest = mod->core_layout.base + shdr->sh_entsize; in move_module()
3309 static int check_module_license_and_versions(struct module *mod) in check_module_license_and_versions() argument
3318 if (strcmp(mod->name, "ndiswrapper") == 0) in check_module_license_and_versions()
3322 if (strcmp(mod->name, "driverloader") == 0) in check_module_license_and_versions()
3323 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in check_module_license_and_versions()
3327 if (strcmp(mod->name, "lve") == 0) in check_module_license_and_versions()
3328 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in check_module_license_and_versions()
3332 pr_warn("%s: module license taints kernel.\n", mod->name); in check_module_license_and_versions()
3335 if ((mod->num_syms && !mod->crcs) in check_module_license_and_versions()
3336 || (mod->num_gpl_syms && !mod->gpl_crcs) in check_module_license_and_versions()
3337 || (mod->num_gpl_future_syms && !mod->gpl_future_crcs) in check_module_license_and_versions()
3339 || (mod->num_unused_syms && !mod->unused_crcs) in check_module_license_and_versions()
3340 || (mod->num_unused_gpl_syms && !mod->unused_gpl_crcs) in check_module_license_and_versions()
3343 return try_to_force_load(mod, in check_module_license_and_versions()
3350 static void flush_module_icache(const struct module *mod) in flush_module_icache() argument
3363 if (mod->init_layout.base) in flush_module_icache()
3364 flush_icache_range((unsigned long)mod->init_layout.base, in flush_module_icache()
3365 (unsigned long)mod->init_layout.base in flush_module_icache()
3366 + mod->init_layout.size); in flush_module_icache()
3367 flush_icache_range((unsigned long)mod->core_layout.base, in flush_module_icache()
3368 (unsigned long)mod->core_layout.base + mod->core_layout.size); in flush_module_icache()
3376 struct module *mod) in module_frob_arch_sections() argument
3404 struct module *mod; in layout_and_allocate() local
3408 err = check_modinfo(info->mod, info, flags); in layout_and_allocate()
3414 info->secstrings, info->mod); in layout_and_allocate()
3442 layout_sections(info->mod, info); in layout_and_allocate()
3443 layout_symtab(info->mod, info); in layout_and_allocate()
3446 err = move_module(info->mod, info); in layout_and_allocate()
3451 mod = (void *)info->sechdrs[info->index.mod].sh_addr; in layout_and_allocate()
3452 kmemleak_load_module(mod, info); in layout_and_allocate()
3453 return mod; in layout_and_allocate()
3457 static void module_deallocate(struct module *mod, struct load_info *info) in module_deallocate() argument
3459 percpu_modfree(mod); in module_deallocate()
3460 module_arch_freeing_init(mod); in module_deallocate()
3461 module_memfree(mod->init_layout.base); in module_deallocate()
3462 module_memfree(mod->core_layout.base); in module_deallocate()
3472 static int post_relocation(struct module *mod, const struct load_info *info) in post_relocation() argument
3475 sort_extable(mod->extable, mod->extable + mod->num_exentries); in post_relocation()
3478 percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr, in post_relocation()
3482 add_kallsyms(mod, info); in post_relocation()
3485 return module_finalize(info->hdr, info->sechdrs, mod); in post_relocation()
3491 struct module *mod; in finished_loading() local
3501 mod = find_module_all(name, strlen(name), true); in finished_loading()
3502 ret = !mod || mod->state == MODULE_STATE_LIVE; in finished_loading()
3509 static void do_mod_ctors(struct module *mod) in do_mod_ctors() argument
3514 for (i = 0; i < mod->num_ctors; i++) in do_mod_ctors()
3515 mod->ctors[i](); in do_mod_ctors()
3555 static noinline int do_init_module(struct module *mod) in do_init_module() argument
3565 freeinit->module_init = mod->init_layout.base; in do_init_module()
3573 do_mod_ctors(mod); in do_init_module()
3575 if (mod->init != NULL) in do_init_module()
3576 ret = do_one_initcall(mod->init); in do_init_module()
3584 __func__, mod->name, ret, __func__); in do_init_module()
3589 mod->state = MODULE_STATE_LIVE; in do_init_module()
3591 MODULE_STATE_LIVE, mod); in do_init_module()
3610 if (!mod->async_probe_requested && (current->flags & PF_USED_ASYNC)) in do_init_module()
3613 ftrace_free_mem(mod, mod->init_layout.base, mod->init_layout.base + in do_init_module()
3614 mod->init_layout.size); in do_init_module()
3617 module_put(mod); in do_init_module()
3618 trim_init_extable(mod); in do_init_module()
3621 rcu_assign_pointer(mod->kallsyms, &mod->core_kallsyms); in do_init_module()
3623 module_enable_ro(mod, true); in do_init_module()
3624 mod_tree_remove_init(mod); in do_init_module()
3625 module_arch_freeing_init(mod); in do_init_module()
3626 mod->init_layout.base = NULL; in do_init_module()
3627 mod->init_layout.size = 0; in do_init_module()
3628 mod->init_layout.ro_size = 0; in do_init_module()
3629 mod->init_layout.ro_after_init_size = 0; in do_init_module()
3630 mod->init_layout.text_size = 0; in do_init_module()
3656 mod->state = MODULE_STATE_GOING; in do_init_module()
3658 module_put(mod); in do_init_module()
3660 MODULE_STATE_GOING, mod); in do_init_module()
3661 klp_module_going(mod); in do_init_module()
3662 ftrace_release_mod(mod); in do_init_module()
3663 free_module(mod); in do_init_module()
3681 static int add_unformed_module(struct module *mod) in add_unformed_module() argument
3686 mod->state = MODULE_STATE_UNFORMED; in add_unformed_module()
3690 old = find_module_all(mod->name, strlen(mod->name), true); in add_unformed_module()
3696 finished_loading(mod->name)); in add_unformed_module()
3704 mod_update_bounds(mod); in add_unformed_module()
3705 list_add_rcu(&mod->list, &modules); in add_unformed_module()
3706 mod_tree_insert(mod); in add_unformed_module()
3715 static int complete_formation(struct module *mod, struct load_info *info) in complete_formation() argument
3722 err = verify_exported_symbols(mod); in complete_formation()
3727 module_bug_finalize(info->hdr, info->sechdrs, mod); in complete_formation()
3729 module_enable_ro(mod, false); in complete_formation()
3730 module_enable_nx(mod); in complete_formation()
3731 module_enable_x(mod); in complete_formation()
3735 mod->state = MODULE_STATE_COMING; in complete_formation()
3745 static int prepare_coming_module(struct module *mod) in prepare_coming_module() argument
3749 ftrace_module_enable(mod); in prepare_coming_module()
3750 err = klp_module_coming(mod); in prepare_coming_module()
3755 MODULE_STATE_COMING, mod); in prepare_coming_module()
3762 struct module *mod = arg; in unknown_module_param_cb() local
3766 mod->async_probe_requested = true; in unknown_module_param_cb()
3782 struct module *mod; in load_module() local
3808 if (!check_modstruct_version(info, info->mod)) { in load_module()
3814 mod = layout_and_allocate(info, flags); in load_module()
3815 if (IS_ERR(mod)) { in load_module()
3816 err = PTR_ERR(mod); in load_module()
3820 audit_log_kern_module(mod->name); in load_module()
3823 err = add_unformed_module(mod); in load_module()
3828 mod->sig_ok = info->sig_ok; in load_module()
3829 if (!mod->sig_ok) { in load_module()
3832 "kernel\n", mod->name); in load_module()
3833 add_taint_module(mod, TAINT_UNSIGNED_MODULE, LOCKDEP_STILL_OK); in load_module()
3838 err = percpu_modalloc(mod, info); in load_module()
3843 err = module_unload_init(mod); in load_module()
3847 init_param_lock(mod); in load_module()
3851 err = find_module_sections(mod, info); in load_module()
3855 err = check_module_license_and_versions(mod); in load_module()
3860 setup_modinfo(mod, info); in load_module()
3863 err = simplify_symbols(mod, info); in load_module()
3867 err = apply_relocations(mod, info); in load_module()
3871 err = post_relocation(mod, info); in load_module()
3875 flush_module_icache(mod); in load_module()
3878 mod->args = strndup_user(uargs, ~0UL >> 1); in load_module()
3879 if (IS_ERR(mod->args)) { in load_module()
3880 err = PTR_ERR(mod->args); in load_module()
3884 dynamic_debug_setup(mod, info->debug, info->num_debug); in load_module()
3887 ftrace_module_init(mod); in load_module()
3890 err = complete_formation(mod, info); in load_module()
3894 err = prepare_coming_module(mod); in load_module()
3899 after_dashes = parse_args(mod->name, mod->args, mod->kp, mod->num_kp, in load_module()
3900 -32768, 32767, mod, in load_module()
3907 mod->name, after_dashes); in load_module()
3911 err = mod_sysfs_setup(mod, info, mod->kp, mod->num_kp); in load_module()
3915 if (is_livepatch_module(mod)) { in load_module()
3916 err = copy_module_elf(mod, info); in load_module()
3925 trace_module_load(mod); in load_module()
3927 return do_init_module(mod); in load_module()
3930 mod_sysfs_teardown(mod); in load_module()
3932 mod->state = MODULE_STATE_GOING; in load_module()
3933 destroy_params(mod->kp, mod->num_kp); in load_module()
3935 MODULE_STATE_GOING, mod); in load_module()
3936 klp_module_going(mod); in load_module()
3940 module_bug_cleanup(mod); in load_module()
3944 ftrace_release_mod(mod); in load_module()
3945 dynamic_debug_remove(mod, info->debug); in load_module()
3947 kfree(mod->args); in load_module()
3949 module_arch_cleanup(mod); in load_module()
3951 free_modinfo(mod); in load_module()
3953 module_unload_free(mod); in load_module()
3957 list_del_rcu(&mod->list); in load_module()
3958 mod_tree_remove(mod); in load_module()
3965 lockdep_free_key_range(mod->core_layout.base, mod->core_layout.size); in load_module()
3967 module_deallocate(mod, info); in load_module()
4047 static const char *find_kallsyms_symbol(struct module *mod, in find_kallsyms_symbol() argument
4054 struct mod_kallsyms *kallsyms = rcu_dereference_sched(mod->kallsyms); in find_kallsyms_symbol()
4057 if (within_module_init(addr, mod)) in find_kallsyms_symbol()
4058 nextval = (unsigned long)mod->init_layout.base+mod->init_layout.text_size; in find_kallsyms_symbol()
4060 nextval = (unsigned long)mod->core_layout.base+mod->core_layout.text_size; in find_kallsyms_symbol()
4098 void * __weak dereference_module_function_descriptor(struct module *mod, in dereference_module_function_descriptor() argument
4113 struct module *mod; in module_address_lookup() local
4116 mod = __module_address(addr); in module_address_lookup()
4117 if (mod) { in module_address_lookup()
4119 *modname = mod->name; in module_address_lookup()
4121 ret = find_kallsyms_symbol(mod, addr, size, offset); in module_address_lookup()
4135 struct module *mod; in lookup_module_symbol_name() local
4138 list_for_each_entry_rcu(mod, &modules, list) { in lookup_module_symbol_name()
4139 if (mod->state == MODULE_STATE_UNFORMED) in lookup_module_symbol_name()
4141 if (within_module(addr, mod)) { in lookup_module_symbol_name()
4144 sym = find_kallsyms_symbol(mod, addr, NULL, NULL); in lookup_module_symbol_name()
4161 struct module *mod; in lookup_module_symbol_attrs() local
4164 list_for_each_entry_rcu(mod, &modules, list) { in lookup_module_symbol_attrs()
4165 if (mod->state == MODULE_STATE_UNFORMED) in lookup_module_symbol_attrs()
4167 if (within_module(addr, mod)) { in lookup_module_symbol_attrs()
4170 sym = find_kallsyms_symbol(mod, addr, size, offset); in lookup_module_symbol_attrs()
4174 strlcpy(modname, mod->name, MODULE_NAME_LEN); in lookup_module_symbol_attrs()
4189 struct module *mod; in module_get_kallsym() local
4192 list_for_each_entry_rcu(mod, &modules, list) { in module_get_kallsym()
4195 if (mod->state == MODULE_STATE_UNFORMED) in module_get_kallsym()
4197 kallsyms = rcu_dereference_sched(mod->kallsyms); in module_get_kallsym()
4204 strlcpy(module_name, mod->name, MODULE_NAME_LEN); in module_get_kallsym()
4205 *exported = is_exported(name, *value, mod); in module_get_kallsym()
4216 static unsigned long find_kallsyms_symbol_value(struct module *mod, const char *name) in find_kallsyms_symbol_value() argument
4219 struct mod_kallsyms *kallsyms = rcu_dereference_sched(mod->kallsyms); in find_kallsyms_symbol_value()
4234 struct module *mod; in module_kallsyms_lookup_name() local
4241 if ((mod = find_module_all(name, colon - name, false)) != NULL) in module_kallsyms_lookup_name()
4242 ret = find_kallsyms_symbol_value(mod, colon+1); in module_kallsyms_lookup_name()
4244 list_for_each_entry_rcu(mod, &modules, list) { in module_kallsyms_lookup_name()
4245 if (mod->state == MODULE_STATE_UNFORMED) in module_kallsyms_lookup_name()
4247 if ((ret = find_kallsyms_symbol_value(mod, name)) != 0) in module_kallsyms_lookup_name()
4259 struct module *mod; in module_kallsyms_on_each_symbol() local
4265 list_for_each_entry(mod, &modules, list) { in module_kallsyms_on_each_symbol()
4267 struct mod_kallsyms *kallsyms = mod->kallsyms; in module_kallsyms_on_each_symbol()
4269 if (mod->state == MODULE_STATE_UNFORMED) in module_kallsyms_on_each_symbol()
4278 mod, kallsyms_symbol_value(sym)); in module_kallsyms_on_each_symbol()
4291 static char *module_flags(struct module *mod, char *buf) in module_flags() argument
4295 BUG_ON(mod->state == MODULE_STATE_UNFORMED); in module_flags()
4296 if (mod->taints || in module_flags()
4297 mod->state == MODULE_STATE_GOING || in module_flags()
4298 mod->state == MODULE_STATE_COMING) { in module_flags()
4300 bx += module_flags_taint(mod, buf + bx); in module_flags()
4302 if (mod->state == MODULE_STATE_GOING) in module_flags()
4305 if (mod->state == MODULE_STATE_COMING) in module_flags()
4334 struct module *mod = list_entry(p, struct module, list); in m_show() local
4339 if (mod->state == MODULE_STATE_UNFORMED) in m_show()
4343 mod->name, mod->init_layout.size + mod->core_layout.size); in m_show()
4344 print_unload_info(m, mod); in m_show()
4348 mod->state == MODULE_STATE_GOING ? "Unloading" : in m_show()
4349 mod->state == MODULE_STATE_COMING ? "Loading" : in m_show()
4352 value = m->private ? NULL : mod->core_layout.base; in m_show()
4356 if (mod->taints) in m_show()
4357 seq_printf(m, " %s", module_flags(mod, buf)); in m_show()
4413 struct module *mod; in search_module_extables() local
4416 mod = __module_address(addr); in search_module_extables()
4417 if (!mod) in search_module_extables()
4420 if (!mod->num_exentries) in search_module_extables()
4423 e = search_extable(mod->extable, in search_module_extables()
4424 mod->num_exentries, in search_module_extables()
4463 struct module *mod; in __module_address() local
4470 mod = mod_find(addr); in __module_address()
4471 if (mod) { in __module_address()
4472 BUG_ON(!within_module(addr, mod)); in __module_address()
4473 if (mod->state == MODULE_STATE_UNFORMED) in __module_address()
4474 mod = NULL; in __module_address()
4476 return mod; in __module_address()
4508 struct module *mod = __module_address(addr); in __module_text_address() local
4509 if (mod) { in __module_text_address()
4511 if (!within(addr, mod->init_layout.base, mod->init_layout.text_size) in __module_text_address()
4512 && !within(addr, mod->core_layout.base, mod->core_layout.text_size)) in __module_text_address()
4513 mod = NULL; in __module_text_address()
4515 return mod; in __module_text_address()
4522 struct module *mod; in print_modules() local
4528 list_for_each_entry_rcu(mod, &modules, list) { in print_modules()
4529 if (mod->state == MODULE_STATE_UNFORMED) in print_modules()
4531 pr_cont(" %s%s", mod->name, module_flags(mod, buf)); in print_modules()
4542 void module_layout(struct module *mod, in module_layout() argument