Lines Matching full:mod
177 static void mod_tree_insert(struct module *mod) in mod_tree_insert() argument
179 mod->core_layout.mtn.mod = mod; in mod_tree_insert()
180 mod->init_layout.mtn.mod = mod; in mod_tree_insert()
182 __mod_tree_insert(&mod->core_layout.mtn); in mod_tree_insert()
183 if (mod->init_layout.size) in mod_tree_insert()
184 __mod_tree_insert(&mod->init_layout.mtn); in mod_tree_insert()
187 static void mod_tree_remove_init(struct module *mod) in mod_tree_remove_init() argument
189 if (mod->init_layout.size) in mod_tree_remove_init()
190 __mod_tree_remove(&mod->init_layout.mtn); in mod_tree_remove_init()
193 static void mod_tree_remove(struct module *mod) in mod_tree_remove() argument
195 __mod_tree_remove(&mod->core_layout.mtn); in mod_tree_remove()
196 mod_tree_remove_init(mod); in mod_tree_remove()
207 return container_of(ltn, struct mod_tree_node, node)->mod; in mod_find()
214 static void mod_tree_insert(struct module *mod) { } in mod_tree_insert() argument
215 static void mod_tree_remove_init(struct module *mod) { } in mod_tree_remove_init() argument
216 static void mod_tree_remove(struct module *mod) { } in mod_tree_remove() argument
220 struct module *mod; in mod_find() local
222 list_for_each_entry_rcu(mod, &modules, list, in mod_find()
224 if (within_module(addr, mod)) in mod_find()
225 return mod; in mod_find()
248 static void mod_update_bounds(struct module *mod) in mod_update_bounds() argument
250 __mod_update_bounds(mod->core_layout.base, mod->core_layout.size); in mod_update_bounds()
251 if (mod->init_layout.size) in mod_update_bounds()
252 __mod_update_bounds(mod->init_layout.base, mod->init_layout.size); in mod_update_bounds()
319 static inline int strong_try_module_get(struct module *mod) in strong_try_module_get() argument
321 BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED); in strong_try_module_get()
322 if (mod && mod->state == MODULE_STATE_COMING) in strong_try_module_get()
324 if (try_module_get(mod)) in strong_try_module_get()
330 static inline void add_taint_module(struct module *mod, unsigned flag, in add_taint_module() argument
334 set_bit(flag, &mod->taints); in add_taint_module()
341 void __noreturn __module_put_and_exit(struct module *mod, long code) in __module_put_and_exit() argument
343 module_put(mod); in __module_put_and_exit()
432 struct module *mod; in each_symbol_section() local
457 list_for_each_entry_rcu(mod, &modules, list, in each_symbol_section()
460 { mod->syms, mod->syms + mod->num_syms, mod->crcs, in each_symbol_section()
462 { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms, in each_symbol_section()
463 mod->gpl_crcs, in each_symbol_section()
465 { mod->gpl_future_syms, in each_symbol_section()
466 mod->gpl_future_syms + mod->num_gpl_future_syms, in each_symbol_section()
467 mod->gpl_future_crcs, in each_symbol_section()
470 { mod->unused_syms, in each_symbol_section()
471 mod->unused_syms + mod->num_unused_syms, in each_symbol_section()
472 mod->unused_crcs, in each_symbol_section()
474 { mod->unused_gpl_syms, in each_symbol_section()
475 mod->unused_gpl_syms + mod->num_unused_gpl_syms, in each_symbol_section()
476 mod->unused_gpl_crcs, in each_symbol_section()
481 if (mod->state == MODULE_STATE_UNFORMED) in each_symbol_section()
484 if (each_symbol_in_section(arr, ARRAY_SIZE(arr), mod, fn, data)) in each_symbol_section()
625 struct module *mod; in find_module_all() local
629 list_for_each_entry_rcu(mod, &modules, list, in find_module_all()
631 if (!even_unformed && mod->state == MODULE_STATE_UNFORMED) in find_module_all()
633 if (strlen(mod->name) == len && !memcmp(mod->name, name, len)) in find_module_all()
634 return mod; in find_module_all()
648 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
650 return mod->percpu; in mod_percpu()
653 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
663 mod->name, align, PAGE_SIZE); in percpu_modalloc()
667 mod->percpu = __alloc_reserved_percpu(pcpusec->sh_size, align); in percpu_modalloc()
668 if (!mod->percpu) { in percpu_modalloc()
670 mod->name, (unsigned long)pcpusec->sh_size); in percpu_modalloc()
673 mod->percpu_size = pcpusec->sh_size; in percpu_modalloc()
677 static void percpu_modfree(struct module *mod) in percpu_modfree() argument
679 free_percpu(mod->percpu); in percpu_modfree()
687 static void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
693 memcpy(per_cpu_ptr(mod->percpu, cpu), from, size); in percpu_modcopy()
698 struct module *mod; in __is_module_percpu_address() local
703 list_for_each_entry_rcu(mod, &modules, list) { in __is_module_percpu_address()
704 if (mod->state == MODULE_STATE_UNFORMED) in __is_module_percpu_address()
706 if (!mod->percpu_size) in __is_module_percpu_address()
709 void *start = per_cpu_ptr(mod->percpu, cpu); in __is_module_percpu_address()
712 if (va >= start && va < start + mod->percpu_size) { in __is_module_percpu_address()
716 per_cpu_ptr(mod->percpu, in __is_module_percpu_address()
745 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
749 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
756 static inline void percpu_modfree(struct module *mod) in percpu_modfree() argument
763 static inline void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
782 static void setup_modinfo_##field(struct module *mod, const char *s) \
784 mod->field = kstrdup(s, GFP_KERNEL); \
789 return scnprintf(buffer, PAGE_SIZE, "%s\n", mk->mod->field); \
791 static int modinfo_##field##_exists(struct module *mod) \
793 return mod->field != NULL; \
795 static void free_modinfo_##field(struct module *mod) \
797 kfree(mod->field); \
798 mod->field = NULL; \
821 static int module_unload_init(struct module *mod) in module_unload_init() argument
827 atomic_set(&mod->refcnt, MODULE_REF_BASE); in module_unload_init()
829 INIT_LIST_HEAD(&mod->source_list); in module_unload_init()
830 INIT_LIST_HEAD(&mod->target_list); in module_unload_init()
833 atomic_inc(&mod->refcnt); in module_unload_init()
898 static void module_unload_free(struct module *mod) in module_unload_free() argument
903 list_for_each_entry_safe(use, tmp, &mod->target_list, target_list) { in module_unload_free()
905 pr_debug("%s unusing %s\n", mod->name, i->name); in module_unload_free()
930 static int try_release_module_ref(struct module *mod) in try_release_module_ref() argument
935 ret = atomic_sub_return(MODULE_REF_BASE, &mod->refcnt); in try_release_module_ref()
939 ret = atomic_add_unless(&mod->refcnt, MODULE_REF_BASE, 0); in try_release_module_ref()
944 static int try_stop_module(struct module *mod, int flags, int *forced) in try_stop_module() argument
947 if (try_release_module_ref(mod) != 0) { in try_stop_module()
954 mod->state = MODULE_STATE_GOING; in try_stop_module()
962 * @mod: the module we're checking
968 int module_refcount(struct module *mod) in module_refcount() argument
970 return atomic_read(&mod->refcnt) - MODULE_REF_BASE; in module_refcount()
975 static void free_module(struct module *mod);
980 struct module *mod; in SYSCALL_DEFINE2() local
996 mod = find_module(name); in SYSCALL_DEFINE2()
997 if (!mod) { in SYSCALL_DEFINE2()
1002 if (!list_empty(&mod->source_list)) { in SYSCALL_DEFINE2()
1009 if (mod->state != MODULE_STATE_LIVE) { in SYSCALL_DEFINE2()
1011 pr_debug("%s already dying\n", mod->name); in SYSCALL_DEFINE2()
1017 if (mod->init && !mod->exit) { in SYSCALL_DEFINE2()
1027 ret = try_stop_module(mod, flags, &forced); in SYSCALL_DEFINE2()
1033 if (mod->exit != NULL) in SYSCALL_DEFINE2()
1034 mod->exit(); in SYSCALL_DEFINE2()
1036 MODULE_STATE_GOING, mod); in SYSCALL_DEFINE2()
1037 klp_module_going(mod); in SYSCALL_DEFINE2()
1038 ftrace_release_mod(mod); in SYSCALL_DEFINE2()
1043 strlcpy(last_unloaded_module, mod->name, sizeof(last_unloaded_module)); in SYSCALL_DEFINE2()
1045 free_module(mod); in SYSCALL_DEFINE2()
1054 static inline void print_unload_info(struct seq_file *m, struct module *mod) in print_unload_info() argument
1059 seq_printf(m, " %i ", module_refcount(mod)); in print_unload_info()
1065 list_for_each_entry(use, &mod->source_list, source_list) { in print_unload_info()
1070 if (mod->init != NULL && mod->exit == NULL) { in print_unload_info()
1115 return sprintf(buffer, "%i\n", module_refcount(mk->mod)); in show_refcnt()
1166 static inline void print_unload_info(struct seq_file *m, struct module *mod) in print_unload_info() argument
1172 static inline void module_unload_free(struct module *mod) in module_unload_free() argument
1181 static inline int module_unload_init(struct module *mod) in module_unload_init() argument
1187 static size_t module_flags_taint(struct module *mod, char *buf) in module_flags_taint() argument
1193 if (taint_flags[i].module && test_bit(i, &mod->taints)) in module_flags_taint()
1205 switch (mk->mod->state) { in show_initstate()
1240 return sprintf(buffer, "%u\n", mk->mod->core_layout.size); in show_coresize()
1249 return sprintf(buffer, "%u\n", mk->mod->init_layout.size); in show_initsize()
1260 l = module_flags_taint(mk->mod, buffer); in show_taint()
1284 static int try_to_force_load(struct module *mod, const char *reason) in try_to_force_load() argument
1288 pr_warn("%s: %s: kernel tainted.\n", mod->name, reason); in try_to_force_load()
1289 add_taint_module(mod, TAINT_FORCED_MODULE, LOCKDEP_NOW_UNRELIABLE); in try_to_force_load()
1305 struct module *mod, in check_version() argument
1319 return try_to_force_load(mod, symname) == 0; in check_version()
1353 struct module *mod) in check_modstruct_version() argument
1367 return check_version(info, "module_layout", mod, crc); in check_modstruct_version()
1383 struct module *mod, in check_version() argument
1390 struct module *mod) in check_modstruct_version() argument
1408 struct module *mod) in verify_namespace_is_imported() argument
1428 mod->name, kernel_symbol_name(sym), namespace); in verify_namespace_is_imported()
1436 static bool inherit_taint(struct module *mod, struct module *owner) in inherit_taint() argument
1441 if (mod->using_gplonly_symbols) { in inherit_taint()
1443 mod->name, owner->name); in inherit_taint()
1447 if (!test_bit(TAINT_PROPRIETARY_MODULE, &mod->taints)) { in inherit_taint()
1449 mod->name, owner->name); in inherit_taint()
1450 set_bit(TAINT_PROPRIETARY_MODULE, &mod->taints); in inherit_taint()
1456 static const struct kernel_symbol *resolve_symbol(struct module *mod, in resolve_symbol() argument
1475 !(mod->taints & (1 << TAINT_PROPRIETARY_MODULE)), true); in resolve_symbol()
1480 mod->using_gplonly_symbols = true; in resolve_symbol()
1482 if (!inherit_taint(mod, owner)) { in resolve_symbol()
1487 if (!check_version(info, name, mod, crc)) { in resolve_symbol()
1492 err = verify_namespace_is_imported(info, sym, mod); in resolve_symbol()
1498 err = ref_module(mod, owner); in resolve_symbol()
1513 resolve_symbol_wait(struct module *mod, in resolve_symbol_wait() argument
1521 !IS_ERR(ksym = resolve_symbol(mod, info, name, owner)) in resolve_symbol_wait()
1525 mod->name, owner); in resolve_symbol_wait()
1592 static void add_sect_attrs(struct module *mod, const struct load_info *info) in add_sect_attrs() argument
1635 if (sysfs_create_group(&mod->mkobj.kobj, §_attrs->grp)) in add_sect_attrs()
1638 mod->sect_attrs = sect_attrs; in add_sect_attrs()
1644 static void remove_sect_attrs(struct module *mod) in remove_sect_attrs() argument
1646 if (mod->sect_attrs) { in remove_sect_attrs()
1647 sysfs_remove_group(&mod->mkobj.kobj, in remove_sect_attrs()
1648 &mod->sect_attrs->grp); in remove_sect_attrs()
1651 free_sect_attrs(mod->sect_attrs); in remove_sect_attrs()
1652 mod->sect_attrs = NULL; in remove_sect_attrs()
1689 static void add_notes_attrs(struct module *mod, const struct load_info *info) in add_notes_attrs() argument
1696 if (!mod->sect_attrs) in add_notes_attrs()
1721 nattr->attr.name = mod->sect_attrs->attrs[loaded].battr.attr.name; in add_notes_attrs()
1731 notes_attrs->dir = kobject_create_and_add("notes", &mod->mkobj.kobj); in add_notes_attrs()
1740 mod->notes_attrs = notes_attrs; in add_notes_attrs()
1747 static void remove_notes_attrs(struct module *mod) in remove_notes_attrs() argument
1749 if (mod->notes_attrs) in remove_notes_attrs()
1750 free_notes_attrs(mod->notes_attrs, mod->notes_attrs->notes); in remove_notes_attrs()
1755 static inline void add_sect_attrs(struct module *mod, in add_sect_attrs() argument
1760 static inline void remove_sect_attrs(struct module *mod) in remove_sect_attrs() argument
1764 static inline void add_notes_attrs(struct module *mod, in add_notes_attrs() argument
1769 static inline void remove_notes_attrs(struct module *mod) in remove_notes_attrs() argument
1774 static void del_usage_links(struct module *mod) in del_usage_links() argument
1780 list_for_each_entry(use, &mod->target_list, target_list) in del_usage_links()
1781 sysfs_remove_link(use->target->holders_dir, mod->name); in del_usage_links()
1786 static int add_usage_links(struct module *mod) in add_usage_links() argument
1793 list_for_each_entry(use, &mod->target_list, target_list) { in add_usage_links()
1795 &mod->mkobj.kobj, mod->name); in add_usage_links()
1801 del_usage_links(mod); in add_usage_links()
1806 static void module_remove_modinfo_attrs(struct module *mod, int end);
1808 static int module_add_modinfo_attrs(struct module *mod) in module_add_modinfo_attrs() argument
1815 mod->modinfo_attrs = kzalloc((sizeof(struct module_attribute) * in module_add_modinfo_attrs()
1818 if (!mod->modinfo_attrs) in module_add_modinfo_attrs()
1821 temp_attr = mod->modinfo_attrs; in module_add_modinfo_attrs()
1823 if (!attr->test || attr->test(mod)) { in module_add_modinfo_attrs()
1826 error = sysfs_create_file(&mod->mkobj.kobj, in module_add_modinfo_attrs()
1838 module_remove_modinfo_attrs(mod, --i); in module_add_modinfo_attrs()
1840 kfree(mod->modinfo_attrs); in module_add_modinfo_attrs()
1844 static void module_remove_modinfo_attrs(struct module *mod, int end) in module_remove_modinfo_attrs() argument
1849 for (i = 0; (attr = &mod->modinfo_attrs[i]); i++) { in module_remove_modinfo_attrs()
1855 sysfs_remove_file(&mod->mkobj.kobj, &attr->attr); in module_remove_modinfo_attrs()
1857 attr->free(mod); in module_remove_modinfo_attrs()
1859 kfree(mod->modinfo_attrs); in module_remove_modinfo_attrs()
1862 static void mod_kobject_put(struct module *mod) in mod_kobject_put() argument
1865 mod->mkobj.kobj_completion = &c; in mod_kobject_put()
1866 kobject_put(&mod->mkobj.kobj); in mod_kobject_put()
1870 static int mod_sysfs_init(struct module *mod) in mod_sysfs_init() argument
1876 pr_err("%s: module sysfs not initialized\n", mod->name); in mod_sysfs_init()
1881 kobj = kset_find_obj(module_kset, mod->name); in mod_sysfs_init()
1883 pr_err("%s: module is already loaded\n", mod->name); in mod_sysfs_init()
1889 mod->mkobj.mod = mod; in mod_sysfs_init()
1891 memset(&mod->mkobj.kobj, 0, sizeof(mod->mkobj.kobj)); in mod_sysfs_init()
1892 mod->mkobj.kobj.kset = module_kset; in mod_sysfs_init()
1893 err = kobject_init_and_add(&mod->mkobj.kobj, &module_ktype, NULL, in mod_sysfs_init()
1894 "%s", mod->name); in mod_sysfs_init()
1896 mod_kobject_put(mod); in mod_sysfs_init()
1903 static int mod_sysfs_setup(struct module *mod, in mod_sysfs_setup() argument
1910 err = mod_sysfs_init(mod); in mod_sysfs_setup()
1914 mod->holders_dir = kobject_create_and_add("holders", &mod->mkobj.kobj); in mod_sysfs_setup()
1915 if (!mod->holders_dir) { in mod_sysfs_setup()
1920 err = module_param_sysfs_setup(mod, kparam, num_params); in mod_sysfs_setup()
1924 err = module_add_modinfo_attrs(mod); in mod_sysfs_setup()
1928 err = add_usage_links(mod); in mod_sysfs_setup()
1932 add_sect_attrs(mod, info); in mod_sysfs_setup()
1933 add_notes_attrs(mod, info); in mod_sysfs_setup()
1935 kobject_uevent(&mod->mkobj.kobj, KOBJ_ADD); in mod_sysfs_setup()
1939 module_remove_modinfo_attrs(mod, -1); in mod_sysfs_setup()
1941 module_param_sysfs_remove(mod); in mod_sysfs_setup()
1943 kobject_put(mod->holders_dir); in mod_sysfs_setup()
1945 mod_kobject_put(mod); in mod_sysfs_setup()
1950 static void mod_sysfs_fini(struct module *mod) in mod_sysfs_fini() argument
1952 remove_notes_attrs(mod); in mod_sysfs_fini()
1953 remove_sect_attrs(mod); in mod_sysfs_fini()
1954 mod_kobject_put(mod); in mod_sysfs_fini()
1957 static void init_param_lock(struct module *mod) in init_param_lock() argument
1959 mutex_init(&mod->param_lock); in init_param_lock()
1963 static int mod_sysfs_setup(struct module *mod, in mod_sysfs_setup() argument
1971 static void mod_sysfs_fini(struct module *mod) in mod_sysfs_fini() argument
1975 static void module_remove_modinfo_attrs(struct module *mod, int end) in module_remove_modinfo_attrs() argument
1979 static void del_usage_links(struct module *mod) in del_usage_links() argument
1983 static void init_param_lock(struct module *mod) in init_param_lock() argument
1988 static void mod_sysfs_teardown(struct module *mod) in mod_sysfs_teardown() argument
1990 del_usage_links(mod); in mod_sysfs_teardown()
1991 module_remove_modinfo_attrs(mod, -1); in mod_sysfs_teardown()
1992 module_param_sysfs_remove(mod); in mod_sysfs_teardown()
1993 kobject_put(mod->mkobj.drivers_dir); in mod_sysfs_teardown()
1994 kobject_put(mod->holders_dir); in mod_sysfs_teardown()
1995 mod_sysfs_fini(mod); in mod_sysfs_teardown()
2028 static void module_enable_x(const struct module *mod) in module_enable_x() argument
2030 frob_text(&mod->core_layout, set_memory_x); in module_enable_x()
2031 frob_text(&mod->init_layout, set_memory_x); in module_enable_x()
2034 static void module_enable_x(const struct module *mod) { } in module_enable_x() argument
2068 static void module_enable_ro(const struct module *mod, bool after_init) in module_enable_ro() argument
2073 set_vm_flush_reset_perms(mod->core_layout.base); in module_enable_ro()
2074 set_vm_flush_reset_perms(mod->init_layout.base); in module_enable_ro()
2075 frob_text(&mod->core_layout, set_memory_ro); in module_enable_ro()
2077 frob_rodata(&mod->core_layout, set_memory_ro); in module_enable_ro()
2078 frob_text(&mod->init_layout, set_memory_ro); in module_enable_ro()
2079 frob_rodata(&mod->init_layout, set_memory_ro); in module_enable_ro()
2082 frob_ro_after_init(&mod->core_layout, set_memory_ro); in module_enable_ro()
2085 static void module_enable_nx(const struct module *mod) in module_enable_nx() argument
2087 frob_rodata(&mod->core_layout, set_memory_nx); in module_enable_nx()
2088 frob_ro_after_init(&mod->core_layout, set_memory_nx); in module_enable_nx()
2089 frob_writable_data(&mod->core_layout, set_memory_nx); in module_enable_nx()
2090 frob_rodata(&mod->init_layout, set_memory_nx); in module_enable_nx()
2091 frob_writable_data(&mod->init_layout, set_memory_nx); in module_enable_nx()
2095 char *secstrings, struct module *mod) in module_enforce_rwx_sections() argument
2103 mod->name, secstrings + sechdrs[i].sh_name, i); in module_enforce_rwx_sections()
2112 static void module_enable_nx(const struct module *mod) { } in module_enable_nx() argument
2113 static void module_enable_ro(const struct module *mod, bool after_init) {} in module_enable_ro() argument
2115 char *secstrings, struct module *mod) in module_enforce_rwx_sections() argument
2125 * index from info to mod->klp_info.
2127 static int copy_module_elf(struct module *mod, struct load_info *info) in copy_module_elf() argument
2132 size = sizeof(*mod->klp_info); in copy_module_elf()
2133 mod->klp_info = kmalloc(size, GFP_KERNEL); in copy_module_elf()
2134 if (mod->klp_info == NULL) in copy_module_elf()
2138 size = sizeof(mod->klp_info->hdr); in copy_module_elf()
2139 memcpy(&mod->klp_info->hdr, info->hdr, size); in copy_module_elf()
2143 mod->klp_info->sechdrs = kmemdup(info->sechdrs, size, GFP_KERNEL); in copy_module_elf()
2144 if (mod->klp_info->sechdrs == NULL) { in copy_module_elf()
2151 mod->klp_info->secstrings = kmemdup(info->secstrings, size, GFP_KERNEL); in copy_module_elf()
2152 if (mod->klp_info->secstrings == NULL) { in copy_module_elf()
2159 mod->klp_info->symndx = symndx; in copy_module_elf()
2167 mod->klp_info->sechdrs[symndx].sh_addr = \ in copy_module_elf()
2168 (unsigned long) mod->core_kallsyms.symtab; in copy_module_elf()
2173 kfree(mod->klp_info->sechdrs); in copy_module_elf()
2175 kfree(mod->klp_info); in copy_module_elf()
2179 static void free_module_elf(struct module *mod) in free_module_elf() argument
2181 kfree(mod->klp_info->sechdrs); in free_module_elf()
2182 kfree(mod->klp_info->secstrings); in free_module_elf()
2183 kfree(mod->klp_info); in free_module_elf()
2186 static int copy_module_elf(struct module *mod, struct load_info *info) in copy_module_elf() argument
2191 static void free_module_elf(struct module *mod) in free_module_elf() argument
2206 void __weak module_arch_cleanup(struct module *mod) in module_arch_cleanup() argument
2210 void __weak module_arch_freeing_init(struct module *mod) in module_arch_freeing_init() argument
2215 static void free_module(struct module *mod) in free_module() argument
2217 trace_module_free(mod); in free_module()
2219 mod_sysfs_teardown(mod); in free_module()
2224 mod->state = MODULE_STATE_UNFORMED; in free_module()
2228 ddebug_remove_module(mod->name); in free_module()
2231 module_arch_cleanup(mod); in free_module()
2234 module_unload_free(mod); in free_module()
2237 destroy_params(mod->kp, mod->num_kp); in free_module()
2239 if (is_livepatch_module(mod)) in free_module()
2240 free_module_elf(mod); in free_module()
2245 list_del_rcu(&mod->list); in free_module()
2246 mod_tree_remove(mod); in free_module()
2248 module_bug_cleanup(mod); in free_module()
2249 /* Wait for RCU-sched synchronizing before releasing mod->list and buglist. */ in free_module()
2254 module_arch_freeing_init(mod); in free_module()
2255 module_memfree(mod->init_layout.base); in free_module()
2256 kfree(mod->args); in free_module()
2257 percpu_modfree(mod); in free_module()
2260 lockdep_free_key_range(mod->core_layout.base, mod->core_layout.size); in free_module()
2263 module_memfree(mod->core_layout.base); in free_module()
2287 static int verify_exported_symbols(struct module *mod) in verify_exported_symbols() argument
2296 { mod->syms, mod->num_syms }, in verify_exported_symbols()
2297 { mod->gpl_syms, mod->num_gpl_syms }, in verify_exported_symbols()
2298 { mod->gpl_future_syms, mod->num_gpl_future_syms }, in verify_exported_symbols()
2300 { mod->unused_syms, mod->num_unused_syms }, in verify_exported_symbols()
2301 { mod->unused_gpl_syms, mod->num_unused_gpl_syms }, in verify_exported_symbols()
2311 mod->name, kernel_symbol_name(s), in verify_exported_symbols()
2321 static int simplify_symbols(struct module *mod, const struct load_info *info) in simplify_symbols() argument
2343 mod->name); in simplify_symbols()
2358 ksym = resolve_symbol_wait(mod, info, name); in simplify_symbols()
2371 mod->name, name, ret); in simplify_symbols()
2377 secbase = (unsigned long)mod_percpu(mod); in simplify_symbols()
2388 static int apply_relocations(struct module *mod, const struct load_info *info) in apply_relocations() argument
2406 err = klp_apply_section_relocs(mod, info->sechdrs, in apply_relocations()
2413 info->index.sym, i, mod); in apply_relocations()
2416 info->index.sym, i, mod); in apply_relocations()
2424 unsigned int __weak arch_mod_section_prepend(struct module *mod, in arch_mod_section_prepend() argument
2432 static long get_offset(struct module *mod, unsigned int *size, in get_offset() argument
2437 *size += arch_mod_section_prepend(mod, section); in get_offset()
2447 static void layout_sections(struct module *mod, struct load_info *info) in layout_sections() argument
2475 s->sh_entsize = get_offset(mod, &mod->core_layout.size, s, i); in layout_sections()
2480 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_sections()
2481 mod->core_layout.text_size = mod->core_layout.size; in layout_sections()
2484 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_sections()
2485 mod->core_layout.ro_size = mod->core_layout.size; in layout_sections()
2488 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_sections()
2489 mod->core_layout.ro_after_init_size = mod->core_layout.size; in layout_sections()
2492 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_sections()
2508 s->sh_entsize = (get_offset(mod, &mod->init_layout.size, s, i) in layout_sections()
2514 mod->init_layout.size = debug_align(mod->init_layout.size); in layout_sections()
2515 mod->init_layout.text_size = mod->init_layout.size; in layout_sections()
2518 mod->init_layout.size = debug_align(mod->init_layout.size); in layout_sections()
2519 mod->init_layout.ro_size = mod->init_layout.size; in layout_sections()
2526 mod->init_layout.ro_after_init_size = mod->init_layout.ro_size; in layout_sections()
2529 mod->init_layout.size = debug_align(mod->init_layout.size); in layout_sections()
2535 static void set_license(struct module *mod, const char *license) in set_license() argument
2543 mod->name, license); in set_license()
2544 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in set_license()
2599 static void setup_modinfo(struct module *mod, struct load_info *info) in setup_modinfo() argument
2606 attr->setup(mod, get_modinfo(info, attr->attr.name)); in setup_modinfo()
2610 static void free_modinfo(struct module *mod) in free_modinfo() argument
2617 attr->free(mod); in free_modinfo()
2633 const struct module *mod) in is_exported() argument
2636 if (!mod) in is_exported()
2639 ks = lookup_exported_symbol(name, mod->syms, mod->syms + mod->num_syms); in is_exported()
2718 static void layout_symtab(struct module *mod, struct load_info *info) in layout_symtab() argument
2727 symsect->sh_entsize = get_offset(mod, &mod->init_layout.size, symsect, in layout_symtab()
2736 if (i == 0 || is_livepatch_module(mod) || in layout_symtab()
2745 info->symoffs = ALIGN(mod->core_layout.size, symsect->sh_addralign ?: 1); in layout_symtab()
2746 info->stroffs = mod->core_layout.size = info->symoffs + ndst * sizeof(Elf_Sym); in layout_symtab()
2747 mod->core_layout.size += strtab_size; in layout_symtab()
2748 info->core_typeoffs = mod->core_layout.size; in layout_symtab()
2749 mod->core_layout.size += ndst * sizeof(char); in layout_symtab()
2750 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_symtab()
2754 strsect->sh_entsize = get_offset(mod, &mod->init_layout.size, strsect, in layout_symtab()
2759 mod->init_layout.size = ALIGN(mod->init_layout.size, in layout_symtab()
2761 info->mod_kallsyms_init_off = mod->init_layout.size; in layout_symtab()
2762 mod->init_layout.size += sizeof(struct mod_kallsyms); in layout_symtab()
2763 info->init_typeoffs = mod->init_layout.size; in layout_symtab()
2764 mod->init_layout.size += nsrc * sizeof(char); in layout_symtab()
2765 mod->init_layout.size = debug_align(mod->init_layout.size); in layout_symtab()
2773 static void add_kallsyms(struct module *mod, const struct load_info *info) in add_kallsyms() argument
2782 mod->kallsyms = mod->init_layout.base + info->mod_kallsyms_init_off; in add_kallsyms()
2784 mod->kallsyms->symtab = (void *)symsec->sh_addr; in add_kallsyms()
2785 mod->kallsyms->num_symtab = symsec->sh_size / sizeof(Elf_Sym); in add_kallsyms()
2787 mod->kallsyms->strtab = (void *)info->sechdrs[info->index.str].sh_addr; in add_kallsyms()
2788 mod->kallsyms->typetab = mod->init_layout.base + info->init_typeoffs; in add_kallsyms()
2794 mod->core_kallsyms.symtab = dst = mod->core_layout.base + info->symoffs; in add_kallsyms()
2795 mod->core_kallsyms.strtab = s = mod->core_layout.base + info->stroffs; in add_kallsyms()
2796 mod->core_kallsyms.typetab = mod->core_layout.base + info->core_typeoffs; in add_kallsyms()
2797 src = mod->kallsyms->symtab; in add_kallsyms()
2798 for (ndst = i = 0; i < mod->kallsyms->num_symtab; i++) { in add_kallsyms()
2799 mod->kallsyms->typetab[i] = elf_type(src + i, info); in add_kallsyms()
2800 if (i == 0 || is_livepatch_module(mod) || in add_kallsyms()
2803 mod->core_kallsyms.typetab[ndst] = in add_kallsyms()
2804 mod->kallsyms->typetab[i]; in add_kallsyms()
2806 dst[ndst++].st_name = s - mod->core_kallsyms.strtab; in add_kallsyms()
2807 s += strlcpy(s, &mod->kallsyms->strtab[src[i].st_name], in add_kallsyms()
2811 mod->core_kallsyms.num_symtab = ndst; in add_kallsyms()
2814 static inline void layout_symtab(struct module *mod, struct load_info *info) in layout_symtab() argument
2818 static void add_kallsyms(struct module *mod, const struct load_info *info) in add_kallsyms() argument
2823 static void dynamic_debug_setup(struct module *mod, struct _ddebug *debug, unsigned int num) in dynamic_debug_setup() argument
2827 ddebug_add_module(debug, num, mod->name); in dynamic_debug_setup()
2830 static void dynamic_debug_remove(struct module *mod, struct _ddebug *debug) in dynamic_debug_remove() argument
2833 ddebug_remove_module(mod->name); in dynamic_debug_remove()
2854 static void kmemleak_load_module(const struct module *mod, in kmemleak_load_module() argument
2860 kmemleak_scan_area(mod, sizeof(struct module), GFP_KERNEL); in kmemleak_load_module()
2874 static inline void kmemleak_load_module(const struct module *mod, in kmemleak_load_module() argument
2886 const void *mod = info->hdr; in module_sig_check() local
2894 memcmp(mod + info->len - markerlen, MODULE_SIG_STRING, markerlen) == 0) { in module_sig_check()
2897 err = mod_verify_sig(mod, info); in module_sig_check()
2978 static int check_modinfo_livepatch(struct module *mod, struct load_info *info) in check_modinfo_livepatch() argument
2981 mod->klp = true; in check_modinfo_livepatch()
2982 add_taint_module(mod, TAINT_LIVEPATCH, LOCKDEP_STILL_OK); in check_modinfo_livepatch()
2984 mod->name); in check_modinfo_livepatch()
2990 static int check_modinfo_livepatch(struct module *mod, struct load_info *info) in check_modinfo_livepatch() argument
2994 mod->name); in check_modinfo_livepatch()
3002 static void check_modinfo_retpoline(struct module *mod, struct load_info *info) in check_modinfo_retpoline() argument
3008 mod->name); in check_modinfo_retpoline()
3087 * Set info->mod to the temporary copy of the module in info->hdr. The final one
3121 info->index.mod = find_sec(info, ".gnu.linkonce.this_module"); in setup_load_info()
3122 if (!info->index.mod) { in setup_load_info()
3127 /* This is temporary: point mod into copy of data. */ in setup_load_info()
3128 info->mod = (void *)info->hdr + info->sechdrs[info->index.mod].sh_offset; in setup_load_info()
3132 * on-disk struct mod 'name' field. in setup_load_info()
3135 info->name = info->mod->name; in setup_load_info()
3147 static int check_modinfo(struct module *mod, struct load_info *info, int flags) in check_modinfo() argument
3157 err = try_to_force_load(mod, "bad vermagic"); in check_modinfo()
3169 mod->name); in check_modinfo()
3170 add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK); in check_modinfo()
3173 check_modinfo_retpoline(mod, info); in check_modinfo()
3176 add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK); in check_modinfo()
3178 "is unknown, you have been warned.\n", mod->name); in check_modinfo()
3181 err = check_modinfo_livepatch(mod, info); in check_modinfo()
3186 set_license(mod, get_modinfo(info, "license")); in check_modinfo()
3191 static int find_module_sections(struct module *mod, struct load_info *info) in find_module_sections() argument
3193 mod->kp = section_objs(info, "__param", in find_module_sections()
3194 sizeof(*mod->kp), &mod->num_kp); in find_module_sections()
3195 mod->syms = section_objs(info, "__ksymtab", in find_module_sections()
3196 sizeof(*mod->syms), &mod->num_syms); in find_module_sections()
3197 mod->crcs = section_addr(info, "__kcrctab"); in find_module_sections()
3198 mod->gpl_syms = section_objs(info, "__ksymtab_gpl", in find_module_sections()
3199 sizeof(*mod->gpl_syms), in find_module_sections()
3200 &mod->num_gpl_syms); in find_module_sections()
3201 mod->gpl_crcs = section_addr(info, "__kcrctab_gpl"); in find_module_sections()
3202 mod->gpl_future_syms = section_objs(info, in find_module_sections()
3204 sizeof(*mod->gpl_future_syms), in find_module_sections()
3205 &mod->num_gpl_future_syms); in find_module_sections()
3206 mod->gpl_future_crcs = section_addr(info, "__kcrctab_gpl_future"); in find_module_sections()
3209 mod->unused_syms = section_objs(info, "__ksymtab_unused", in find_module_sections()
3210 sizeof(*mod->unused_syms), in find_module_sections()
3211 &mod->num_unused_syms); in find_module_sections()
3212 mod->unused_crcs = section_addr(info, "__kcrctab_unused"); in find_module_sections()
3213 mod->unused_gpl_syms = section_objs(info, "__ksymtab_unused_gpl", in find_module_sections()
3214 sizeof(*mod->unused_gpl_syms), in find_module_sections()
3215 &mod->num_unused_gpl_syms); in find_module_sections()
3216 mod->unused_gpl_crcs = section_addr(info, "__kcrctab_unused_gpl"); in find_module_sections()
3219 mod->ctors = section_objs(info, ".ctors", in find_module_sections()
3220 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
3221 if (!mod->ctors) in find_module_sections()
3222 mod->ctors = section_objs(info, ".init_array", in find_module_sections()
3223 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
3230 mod->name); in find_module_sections()
3235 mod->noinstr_text_start = section_objs(info, ".noinstr.text", 1, in find_module_sections()
3236 &mod->noinstr_text_size); in find_module_sections()
3239 mod->tracepoints_ptrs = section_objs(info, "__tracepoints_ptrs", in find_module_sections()
3240 sizeof(*mod->tracepoints_ptrs), in find_module_sections()
3241 &mod->num_tracepoints); in find_module_sections()
3244 mod->srcu_struct_ptrs = section_objs(info, "___srcu_struct_ptrs", in find_module_sections()
3245 sizeof(*mod->srcu_struct_ptrs), in find_module_sections()
3246 &mod->num_srcu_structs); in find_module_sections()
3249 mod->bpf_raw_events = section_objs(info, "__bpf_raw_tp_map", in find_module_sections()
3250 sizeof(*mod->bpf_raw_events), in find_module_sections()
3251 &mod->num_bpf_raw_events); in find_module_sections()
3254 mod->jump_entries = section_objs(info, "__jump_table", in find_module_sections()
3255 sizeof(*mod->jump_entries), in find_module_sections()
3256 &mod->num_jump_entries); in find_module_sections()
3259 mod->trace_events = section_objs(info, "_ftrace_events", in find_module_sections()
3260 sizeof(*mod->trace_events), in find_module_sections()
3261 &mod->num_trace_events); in find_module_sections()
3262 mod->trace_evals = section_objs(info, "_ftrace_eval_map", in find_module_sections()
3263 sizeof(*mod->trace_evals), in find_module_sections()
3264 &mod->num_trace_evals); in find_module_sections()
3267 mod->trace_bprintk_fmt_start = section_objs(info, "__trace_printk_fmt", in find_module_sections()
3268 sizeof(*mod->trace_bprintk_fmt_start), in find_module_sections()
3269 &mod->num_trace_bprintk_fmt); in find_module_sections()
3273 mod->ftrace_callsites = section_objs(info, FTRACE_CALLSITE_SECTION, in find_module_sections()
3274 sizeof(*mod->ftrace_callsites), in find_module_sections()
3275 &mod->num_ftrace_callsites); in find_module_sections()
3278 mod->ei_funcs = section_objs(info, "_error_injection_whitelist", in find_module_sections()
3279 sizeof(*mod->ei_funcs), in find_module_sections()
3280 &mod->num_ei_funcs); in find_module_sections()
3283 mod->kprobes_text_start = section_objs(info, ".kprobes.text", 1, in find_module_sections()
3284 &mod->kprobes_text_size); in find_module_sections()
3285 mod->kprobe_blacklist = section_objs(info, "_kprobe_blacklist", in find_module_sections()
3287 &mod->num_kprobe_blacklist); in find_module_sections()
3290 mod->static_call_sites = section_objs(info, ".static_call_sites", in find_module_sections()
3291 sizeof(*mod->static_call_sites), in find_module_sections()
3292 &mod->num_static_call_sites); in find_module_sections()
3294 mod->extable = section_objs(info, "__ex_table", in find_module_sections()
3295 sizeof(*mod->extable), &mod->num_exentries); in find_module_sections()
3298 pr_warn("%s: Ignoring obsolete parameters\n", mod->name); in find_module_sections()
3306 static int move_module(struct module *mod, struct load_info *info) in move_module() argument
3312 ptr = module_alloc(mod->core_layout.size); in move_module()
3322 memset(ptr, 0, mod->core_layout.size); in move_module()
3323 mod->core_layout.base = ptr; in move_module()
3325 if (mod->init_layout.size) { in move_module()
3326 ptr = module_alloc(mod->init_layout.size); in move_module()
3335 module_memfree(mod->core_layout.base); in move_module()
3338 memset(ptr, 0, mod->init_layout.size); in move_module()
3339 mod->init_layout.base = ptr; in move_module()
3341 mod->init_layout.base = NULL; in move_module()
3353 dest = mod->init_layout.base in move_module()
3356 dest = mod->core_layout.base + shdr->sh_entsize; in move_module()
3369 static int check_module_license_and_versions(struct module *mod) in check_module_license_and_versions() argument
3378 if (strcmp(mod->name, "ndiswrapper") == 0) in check_module_license_and_versions()
3382 if (strcmp(mod->name, "driverloader") == 0) in check_module_license_and_versions()
3383 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in check_module_license_and_versions()
3387 if (strcmp(mod->name, "lve") == 0) in check_module_license_and_versions()
3388 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in check_module_license_and_versions()
3392 pr_warn("%s: module license taints kernel.\n", mod->name); in check_module_license_and_versions()
3395 if ((mod->num_syms && !mod->crcs) in check_module_license_and_versions()
3396 || (mod->num_gpl_syms && !mod->gpl_crcs) in check_module_license_and_versions()
3397 || (mod->num_gpl_future_syms && !mod->gpl_future_crcs) in check_module_license_and_versions()
3399 || (mod->num_unused_syms && !mod->unused_crcs) in check_module_license_and_versions()
3400 || (mod->num_unused_gpl_syms && !mod->unused_gpl_crcs) in check_module_license_and_versions()
3403 return try_to_force_load(mod, in check_module_license_and_versions()
3410 static void flush_module_icache(const struct module *mod) in flush_module_icache() argument
3417 if (mod->init_layout.base) in flush_module_icache()
3418 flush_icache_range((unsigned long)mod->init_layout.base, in flush_module_icache()
3419 (unsigned long)mod->init_layout.base in flush_module_icache()
3420 + mod->init_layout.size); in flush_module_icache()
3421 flush_icache_range((unsigned long)mod->core_layout.base, in flush_module_icache()
3422 (unsigned long)mod->core_layout.base + mod->core_layout.size); in flush_module_icache()
3428 struct module *mod) in module_frob_arch_sections() argument
3456 struct module *mod; in layout_and_allocate() local
3460 err = check_modinfo(info->mod, info, flags); in layout_and_allocate()
3466 info->secstrings, info->mod); in layout_and_allocate()
3471 info->secstrings, info->mod); in layout_and_allocate()
3499 layout_sections(info->mod, info); in layout_and_allocate()
3500 layout_symtab(info->mod, info); in layout_and_allocate()
3503 err = move_module(info->mod, info); in layout_and_allocate()
3508 mod = (void *)info->sechdrs[info->index.mod].sh_addr; in layout_and_allocate()
3509 kmemleak_load_module(mod, info); in layout_and_allocate()
3510 return mod; in layout_and_allocate()
3513 /* mod is no longer valid after this! */
3514 static void module_deallocate(struct module *mod, struct load_info *info) in module_deallocate() argument
3516 percpu_modfree(mod); in module_deallocate()
3517 module_arch_freeing_init(mod); in module_deallocate()
3518 module_memfree(mod->init_layout.base); in module_deallocate()
3519 module_memfree(mod->core_layout.base); in module_deallocate()
3529 static int post_relocation(struct module *mod, const struct load_info *info) in post_relocation() argument
3532 sort_extable(mod->extable, mod->extable + mod->num_exentries); in post_relocation()
3535 percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr, in post_relocation()
3539 add_kallsyms(mod, info); in post_relocation()
3542 return module_finalize(info->hdr, info->sechdrs, mod); in post_relocation()
3548 struct module *mod; in finished_loading() local
3558 mod = find_module_all(name, strlen(name), true); in finished_loading()
3559 ret = !mod || mod->state == MODULE_STATE_LIVE; in finished_loading()
3566 static void do_mod_ctors(struct module *mod) in do_mod_ctors() argument
3571 for (i = 0; i < mod->num_ctors; i++) in do_mod_ctors()
3572 mod->ctors[i](); in do_mod_ctors()
3604 static noinline int do_init_module(struct module *mod) in do_init_module() argument
3614 freeinit->module_init = mod->init_layout.base; in do_init_module()
3617 * We want to find out whether @mod uses async during init. Clear in do_init_module()
3622 do_mod_ctors(mod); in do_init_module()
3624 if (mod->init != NULL) in do_init_module()
3625 ret = do_one_initcall(mod->init); in do_init_module()
3633 __func__, mod->name, ret, __func__); in do_init_module()
3638 mod->state = MODULE_STATE_LIVE; in do_init_module()
3640 MODULE_STATE_LIVE, mod); in do_init_module()
3659 if (!mod->async_probe_requested && (current->flags & PF_USED_ASYNC)) in do_init_module()
3662 ftrace_free_mem(mod, mod->init_layout.base, mod->init_layout.base + in do_init_module()
3663 mod->init_layout.size); in do_init_module()
3666 module_put(mod); in do_init_module()
3667 trim_init_extable(mod); in do_init_module()
3670 rcu_assign_pointer(mod->kallsyms, &mod->core_kallsyms); in do_init_module()
3672 module_enable_ro(mod, true); in do_init_module()
3673 mod_tree_remove_init(mod); in do_init_module()
3674 module_arch_freeing_init(mod); in do_init_module()
3675 mod->init_layout.base = NULL; in do_init_module()
3676 mod->init_layout.size = 0; in do_init_module()
3677 mod->init_layout.ro_size = 0; in do_init_module()
3678 mod->init_layout.ro_after_init_size = 0; in do_init_module()
3679 mod->init_layout.text_size = 0; in do_init_module()
3705 mod->state = MODULE_STATE_GOING; in do_init_module()
3707 module_put(mod); in do_init_module()
3709 MODULE_STATE_GOING, mod); in do_init_module()
3710 klp_module_going(mod); in do_init_module()
3711 ftrace_release_mod(mod); in do_init_module()
3712 free_module(mod); in do_init_module()
3730 static int add_unformed_module(struct module *mod) in add_unformed_module() argument
3735 mod->state = MODULE_STATE_UNFORMED; in add_unformed_module()
3739 old = find_module_all(mod->name, strlen(mod->name), true); in add_unformed_module()
3745 finished_loading(mod->name)); in add_unformed_module()
3753 mod_update_bounds(mod); in add_unformed_module()
3754 list_add_rcu(&mod->list, &modules); in add_unformed_module()
3755 mod_tree_insert(mod); in add_unformed_module()
3764 static int complete_formation(struct module *mod, struct load_info *info) in complete_formation() argument
3771 err = verify_exported_symbols(mod); in complete_formation()
3776 module_bug_finalize(info->hdr, info->sechdrs, mod); in complete_formation()
3778 module_enable_ro(mod, false); in complete_formation()
3779 module_enable_nx(mod); in complete_formation()
3780 module_enable_x(mod); in complete_formation()
3784 mod->state = MODULE_STATE_COMING; in complete_formation()
3794 static int prepare_coming_module(struct module *mod) in prepare_coming_module() argument
3798 ftrace_module_enable(mod); in prepare_coming_module()
3799 err = klp_module_coming(mod); in prepare_coming_module()
3804 MODULE_STATE_COMING, MODULE_STATE_GOING, mod); in prepare_coming_module()
3807 klp_module_going(mod); in prepare_coming_module()
3815 struct module *mod = arg; in unknown_module_param_cb() local
3819 mod->async_probe_requested = true; in unknown_module_param_cb()
3835 struct module *mod; in load_module() local
3864 if (!check_modstruct_version(info, info->mod)) { in load_module()
3870 mod = layout_and_allocate(info, flags); in load_module()
3871 if (IS_ERR(mod)) { in load_module()
3872 err = PTR_ERR(mod); in load_module()
3876 audit_log_kern_module(mod->name); in load_module()
3879 err = add_unformed_module(mod); in load_module()
3884 mod->sig_ok = info->sig_ok; in load_module()
3885 if (!mod->sig_ok) { in load_module()
3888 "kernel\n", mod->name); in load_module()
3889 add_taint_module(mod, TAINT_UNSIGNED_MODULE, LOCKDEP_STILL_OK); in load_module()
3894 err = percpu_modalloc(mod, info); in load_module()
3899 err = module_unload_init(mod); in load_module()
3903 init_param_lock(mod); in load_module()
3907 err = find_module_sections(mod, info); in load_module()
3911 err = check_module_license_and_versions(mod); in load_module()
3916 setup_modinfo(mod, info); in load_module()
3919 err = simplify_symbols(mod, info); in load_module()
3923 err = apply_relocations(mod, info); in load_module()
3927 err = post_relocation(mod, info); in load_module()
3931 flush_module_icache(mod); in load_module()
3934 mod->args = strndup_user(uargs, ~0UL >> 1); in load_module()
3935 if (IS_ERR(mod->args)) { in load_module()
3936 err = PTR_ERR(mod->args); in load_module()
3940 dynamic_debug_setup(mod, info->debug, info->num_debug); in load_module()
3943 ftrace_module_init(mod); in load_module()
3946 err = complete_formation(mod, info); in load_module()
3950 err = prepare_coming_module(mod); in load_module()
3955 after_dashes = parse_args(mod->name, mod->args, mod->kp, mod->num_kp, in load_module()
3956 -32768, 32767, mod, in load_module()
3963 mod->name, after_dashes); in load_module()
3967 err = mod_sysfs_setup(mod, info, mod->kp, mod->num_kp); in load_module()
3971 if (is_livepatch_module(mod)) { in load_module()
3972 err = copy_module_elf(mod, info); in load_module()
3981 trace_module_load(mod); in load_module()
3983 return do_init_module(mod); in load_module()
3986 mod_sysfs_teardown(mod); in load_module()
3988 mod->state = MODULE_STATE_GOING; in load_module()
3989 destroy_params(mod->kp, mod->num_kp); in load_module()
3991 MODULE_STATE_GOING, mod); in load_module()
3992 klp_module_going(mod); in load_module()
3996 module_bug_cleanup(mod); in load_module()
4000 ftrace_release_mod(mod); in load_module()
4001 dynamic_debug_remove(mod, info->debug); in load_module()
4003 kfree(mod->args); in load_module()
4005 module_arch_cleanup(mod); in load_module()
4007 free_modinfo(mod); in load_module()
4009 module_unload_free(mod); in load_module()
4013 list_del_rcu(&mod->list); in load_module()
4014 mod_tree_remove(mod); in load_module()
4016 /* Wait for RCU-sched synchronizing before releasing mod->list. */ in load_module()
4021 lockdep_free_key_range(mod->core_layout.base, mod->core_layout.size); in load_module()
4023 module_deallocate(mod, info); in load_module()
4102 static const char *find_kallsyms_symbol(struct module *mod, in find_kallsyms_symbol() argument
4109 struct mod_kallsyms *kallsyms = rcu_dereference_sched(mod->kallsyms); in find_kallsyms_symbol()
4112 if (within_module_init(addr, mod)) in find_kallsyms_symbol()
4113 nextval = (unsigned long)mod->init_layout.base+mod->init_layout.text_size; in find_kallsyms_symbol()
4115 nextval = (unsigned long)mod->core_layout.base+mod->core_layout.text_size; in find_kallsyms_symbol()
4153 void * __weak dereference_module_function_descriptor(struct module *mod, in dereference_module_function_descriptor() argument
4168 struct module *mod; in module_address_lookup() local
4171 mod = __module_address(addr); in module_address_lookup()
4172 if (mod) { in module_address_lookup()
4174 *modname = mod->name; in module_address_lookup()
4176 ret = find_kallsyms_symbol(mod, addr, size, offset); in module_address_lookup()
4190 struct module *mod; in lookup_module_symbol_name() local
4193 list_for_each_entry_rcu(mod, &modules, list) { in lookup_module_symbol_name()
4194 if (mod->state == MODULE_STATE_UNFORMED) in lookup_module_symbol_name()
4196 if (within_module(addr, mod)) { in lookup_module_symbol_name()
4199 sym = find_kallsyms_symbol(mod, addr, NULL, NULL); in lookup_module_symbol_name()
4216 struct module *mod; in lookup_module_symbol_attrs() local
4219 list_for_each_entry_rcu(mod, &modules, list) { in lookup_module_symbol_attrs()
4220 if (mod->state == MODULE_STATE_UNFORMED) in lookup_module_symbol_attrs()
4222 if (within_module(addr, mod)) { in lookup_module_symbol_attrs()
4225 sym = find_kallsyms_symbol(mod, addr, size, offset); in lookup_module_symbol_attrs()
4229 strlcpy(modname, mod->name, MODULE_NAME_LEN); in lookup_module_symbol_attrs()
4244 struct module *mod; in module_get_kallsym() local
4247 list_for_each_entry_rcu(mod, &modules, list) { in module_get_kallsym()
4250 if (mod->state == MODULE_STATE_UNFORMED) in module_get_kallsym()
4252 kallsyms = rcu_dereference_sched(mod->kallsyms); in module_get_kallsym()
4259 strlcpy(module_name, mod->name, MODULE_NAME_LEN); in module_get_kallsym()
4260 *exported = is_exported(name, *value, mod); in module_get_kallsym()
4271 static unsigned long find_kallsyms_symbol_value(struct module *mod, const char *name) in find_kallsyms_symbol_value() argument
4274 struct mod_kallsyms *kallsyms = rcu_dereference_sched(mod->kallsyms); in find_kallsyms_symbol_value()
4289 struct module *mod; in module_kallsyms_lookup_name() local
4296 if ((mod = find_module_all(name, colon - name, false)) != NULL) in module_kallsyms_lookup_name()
4297 ret = find_kallsyms_symbol_value(mod, colon+1); in module_kallsyms_lookup_name()
4299 list_for_each_entry_rcu(mod, &modules, list) { in module_kallsyms_lookup_name()
4300 if (mod->state == MODULE_STATE_UNFORMED) in module_kallsyms_lookup_name()
4302 if ((ret = find_kallsyms_symbol_value(mod, name)) != 0) in module_kallsyms_lookup_name()
4314 struct module *mod; in module_kallsyms_on_each_symbol() local
4320 list_for_each_entry(mod, &modules, list) { in module_kallsyms_on_each_symbol()
4322 struct mod_kallsyms *kallsyms = mod->kallsyms; in module_kallsyms_on_each_symbol()
4324 if (mod->state == MODULE_STATE_UNFORMED) in module_kallsyms_on_each_symbol()
4333 mod, kallsyms_symbol_value(sym)); in module_kallsyms_on_each_symbol()
4346 static char *module_flags(struct module *mod, char *buf) in module_flags() argument
4350 BUG_ON(mod->state == MODULE_STATE_UNFORMED); in module_flags()
4351 if (mod->taints || in module_flags()
4352 mod->state == MODULE_STATE_GOING || in module_flags()
4353 mod->state == MODULE_STATE_COMING) { in module_flags()
4355 bx += module_flags_taint(mod, buf + bx); in module_flags()
4357 if (mod->state == MODULE_STATE_GOING) in module_flags()
4360 if (mod->state == MODULE_STATE_COMING) in module_flags()
4389 struct module *mod = list_entry(p, struct module, list); in m_show() local
4394 if (mod->state == MODULE_STATE_UNFORMED) in m_show()
4398 mod->name, mod->init_layout.size + mod->core_layout.size); in m_show()
4399 print_unload_info(m, mod); in m_show()
4403 mod->state == MODULE_STATE_GOING ? "Unloading" : in m_show()
4404 mod->state == MODULE_STATE_COMING ? "Loading" : in m_show()
4407 value = m->private ? NULL : mod->core_layout.base; in m_show()
4411 if (mod->taints) in m_show()
4412 seq_printf(m, " %s", module_flags(mod, buf)); in m_show()
4469 struct module *mod; in search_module_extables() local
4472 mod = __module_address(addr); in search_module_extables()
4473 if (!mod) in search_module_extables()
4476 if (!mod->num_exentries) in search_module_extables()
4479 e = search_extable(mod->extable, in search_module_extables()
4480 mod->num_exentries, in search_module_extables()
4519 struct module *mod; in __module_address() local
4526 mod = mod_find(addr); in __module_address()
4527 if (mod) { in __module_address()
4528 BUG_ON(!within_module(addr, mod)); in __module_address()
4529 if (mod->state == MODULE_STATE_UNFORMED) in __module_address()
4530 mod = NULL; in __module_address()
4532 return mod; in __module_address()
4563 struct module *mod = __module_address(addr); in __module_text_address() local
4564 if (mod) { in __module_text_address()
4566 if (!within(addr, mod->init_layout.base, mod->init_layout.text_size) in __module_text_address()
4567 && !within(addr, mod->core_layout.base, mod->core_layout.text_size)) in __module_text_address()
4568 mod = NULL; in __module_text_address()
4570 return mod; in __module_text_address()
4576 struct module *mod; in print_modules() local
4582 list_for_each_entry_rcu(mod, &modules, list) { in print_modules()
4583 if (mod->state == MODULE_STATE_UNFORMED) in print_modules()
4585 pr_cont(" %s%s", mod->name, module_flags(mod, buf)); in print_modules()
4596 void module_layout(struct module *mod, in module_layout() argument