Lines Matching refs:mod
180 static void mod_tree_insert(struct module *mod) in mod_tree_insert() argument
182 mod->core_layout.mtn.mod = mod; in mod_tree_insert()
183 mod->init_layout.mtn.mod = mod; in mod_tree_insert()
185 __mod_tree_insert(&mod->core_layout.mtn); in mod_tree_insert()
186 if (mod->init_layout.size) in mod_tree_insert()
187 __mod_tree_insert(&mod->init_layout.mtn); in mod_tree_insert()
190 static void mod_tree_remove_init(struct module *mod) in mod_tree_remove_init() argument
192 if (mod->init_layout.size) in mod_tree_remove_init()
193 __mod_tree_remove(&mod->init_layout.mtn); in mod_tree_remove_init()
196 static void mod_tree_remove(struct module *mod) in mod_tree_remove() argument
198 __mod_tree_remove(&mod->core_layout.mtn); in mod_tree_remove()
199 mod_tree_remove_init(mod); in mod_tree_remove()
210 return container_of(ltn, struct mod_tree_node, node)->mod; in mod_find()
217 static void mod_tree_insert(struct module *mod) { } in mod_tree_insert() argument
218 static void mod_tree_remove_init(struct module *mod) { } in mod_tree_remove_init() argument
219 static void mod_tree_remove(struct module *mod) { } in mod_tree_remove() argument
223 struct module *mod; in mod_find() local
225 list_for_each_entry_rcu(mod, &modules, list, in mod_find()
227 if (within_module(addr, mod)) in mod_find()
228 return mod; in mod_find()
251 static void mod_update_bounds(struct module *mod) in mod_update_bounds() argument
253 __mod_update_bounds(mod->core_layout.base, mod->core_layout.size); in mod_update_bounds()
254 if (mod->init_layout.size) in mod_update_bounds()
255 __mod_update_bounds(mod->init_layout.base, mod->init_layout.size); in mod_update_bounds()
326 static inline int strong_try_module_get(struct module *mod) in strong_try_module_get() argument
328 BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED); in strong_try_module_get()
329 if (mod && mod->state == MODULE_STATE_COMING) in strong_try_module_get()
331 if (try_module_get(mod)) in strong_try_module_get()
337 static inline void add_taint_module(struct module *mod, unsigned flag, in add_taint_module() argument
341 set_bit(flag, &mod->taints); in add_taint_module()
348 void __noreturn __module_put_and_exit(struct module *mod, long code) in __module_put_and_exit() argument
350 module_put(mod); in __module_put_and_exit()
439 struct module *mod; in each_symbol_section() local
464 list_for_each_entry_rcu(mod, &modules, list, in each_symbol_section()
467 { mod->syms, mod->syms + mod->num_syms, mod->crcs, in each_symbol_section()
469 { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms, in each_symbol_section()
470 mod->gpl_crcs, in each_symbol_section()
472 { mod->gpl_future_syms, in each_symbol_section()
473 mod->gpl_future_syms + mod->num_gpl_future_syms, in each_symbol_section()
474 mod->gpl_future_crcs, in each_symbol_section()
477 { mod->unused_syms, in each_symbol_section()
478 mod->unused_syms + mod->num_unused_syms, in each_symbol_section()
479 mod->unused_crcs, in each_symbol_section()
481 { mod->unused_gpl_syms, in each_symbol_section()
482 mod->unused_gpl_syms + mod->num_unused_gpl_syms, in each_symbol_section()
483 mod->unused_gpl_crcs, in each_symbol_section()
488 if (mod->state == MODULE_STATE_UNFORMED) in each_symbol_section()
491 if (each_symbol_in_section(arr, ARRAY_SIZE(arr), mod, fn, data)) in each_symbol_section()
632 struct module *mod; in find_module_all() local
636 list_for_each_entry_rcu(mod, &modules, list, in find_module_all()
638 if (!even_unformed && mod->state == MODULE_STATE_UNFORMED) in find_module_all()
640 if (strlen(mod->name) == len && !memcmp(mod->name, name, len)) in find_module_all()
641 return mod; in find_module_all()
654 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
656 return mod->percpu; in mod_percpu()
659 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
669 mod->name, align, PAGE_SIZE); in percpu_modalloc()
673 mod->percpu = __alloc_reserved_percpu(pcpusec->sh_size, align); in percpu_modalloc()
674 if (!mod->percpu) { in percpu_modalloc()
676 mod->name, (unsigned long)pcpusec->sh_size); in percpu_modalloc()
679 mod->percpu_size = pcpusec->sh_size; in percpu_modalloc()
683 static void percpu_modfree(struct module *mod) in percpu_modfree() argument
685 free_percpu(mod->percpu); in percpu_modfree()
693 static void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
699 memcpy(per_cpu_ptr(mod->percpu, cpu), from, size); in percpu_modcopy()
704 struct module *mod; in __is_module_percpu_address() local
709 list_for_each_entry_rcu(mod, &modules, list) { in __is_module_percpu_address()
710 if (mod->state == MODULE_STATE_UNFORMED) in __is_module_percpu_address()
712 if (!mod->percpu_size) in __is_module_percpu_address()
715 void *start = per_cpu_ptr(mod->percpu, cpu); in __is_module_percpu_address()
718 if (va >= start && va < start + mod->percpu_size) { in __is_module_percpu_address()
722 per_cpu_ptr(mod->percpu, in __is_module_percpu_address()
751 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
755 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
762 static inline void percpu_modfree(struct module *mod) in percpu_modfree() argument
769 static inline void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
788 static void setup_modinfo_##field(struct module *mod, const char *s) \
790 mod->field = kstrdup(s, GFP_KERNEL); \
795 return scnprintf(buffer, PAGE_SIZE, "%s\n", mk->mod->field); \
797 static int modinfo_##field##_exists(struct module *mod) \
799 return mod->field != NULL; \
801 static void free_modinfo_##field(struct module *mod) \
803 kfree(mod->field); \
804 mod->field = NULL; \
828 static int module_unload_init(struct module *mod) in module_unload_init() argument
834 atomic_set(&mod->refcnt, MODULE_REF_BASE); in module_unload_init()
836 INIT_LIST_HEAD(&mod->source_list); in module_unload_init()
837 INIT_LIST_HEAD(&mod->target_list); in module_unload_init()
840 atomic_inc(&mod->refcnt); in module_unload_init()
905 static void module_unload_free(struct module *mod) in module_unload_free() argument
910 list_for_each_entry_safe(use, tmp, &mod->target_list, target_list) { in module_unload_free()
912 pr_debug("%s unusing %s\n", mod->name, i->name); in module_unload_free()
937 static int try_release_module_ref(struct module *mod) in try_release_module_ref() argument
942 ret = atomic_sub_return(MODULE_REF_BASE, &mod->refcnt); in try_release_module_ref()
946 ret = atomic_add_unless(&mod->refcnt, MODULE_REF_BASE, 0); in try_release_module_ref()
951 static int try_stop_module(struct module *mod, int flags, int *forced) in try_stop_module() argument
954 if (try_release_module_ref(mod) != 0) { in try_stop_module()
961 mod->state = MODULE_STATE_GOING; in try_stop_module()
975 int module_refcount(struct module *mod) in module_refcount() argument
977 return atomic_read(&mod->refcnt) - MODULE_REF_BASE; in module_refcount()
982 static void free_module(struct module *mod);
987 struct module *mod; in SYSCALL_DEFINE2() local
1003 mod = find_module(name); in SYSCALL_DEFINE2()
1004 if (!mod) { in SYSCALL_DEFINE2()
1009 if (!list_empty(&mod->source_list)) { in SYSCALL_DEFINE2()
1016 if (mod->state != MODULE_STATE_LIVE) { in SYSCALL_DEFINE2()
1018 pr_debug("%s already dying\n", mod->name); in SYSCALL_DEFINE2()
1024 if (mod->init && !mod->exit) { in SYSCALL_DEFINE2()
1034 ret = try_stop_module(mod, flags, &forced); in SYSCALL_DEFINE2()
1040 if (mod->exit != NULL) in SYSCALL_DEFINE2()
1041 mod->exit(); in SYSCALL_DEFINE2()
1043 MODULE_STATE_GOING, mod); in SYSCALL_DEFINE2()
1044 klp_module_going(mod); in SYSCALL_DEFINE2()
1045 ftrace_release_mod(mod); in SYSCALL_DEFINE2()
1050 strlcpy(last_unloaded_module, mod->name, sizeof(last_unloaded_module)); in SYSCALL_DEFINE2()
1052 free_module(mod); in SYSCALL_DEFINE2()
1061 static inline void print_unload_info(struct seq_file *m, struct module *mod) in print_unload_info() argument
1066 seq_printf(m, " %i ", module_refcount(mod)); in print_unload_info()
1072 list_for_each_entry(use, &mod->source_list, source_list) { in print_unload_info()
1077 if (mod->init != NULL && mod->exit == NULL) { in print_unload_info()
1122 return sprintf(buffer, "%i\n", module_refcount(mk->mod)); in show_refcnt()
1173 static inline void print_unload_info(struct seq_file *m, struct module *mod) in print_unload_info() argument
1179 static inline void module_unload_free(struct module *mod) in module_unload_free() argument
1188 static inline int module_unload_init(struct module *mod) in module_unload_init() argument
1194 static size_t module_flags_taint(struct module *mod, char *buf) in module_flags_taint() argument
1200 if (taint_flags[i].module && test_bit(i, &mod->taints)) in module_flags_taint()
1212 switch (mk->mod->state) { in show_initstate()
1247 return sprintf(buffer, "%u\n", mk->mod->core_layout.size); in show_coresize()
1256 return sprintf(buffer, "%u\n", mk->mod->init_layout.size); in show_initsize()
1267 l = module_flags_taint(mk->mod, buffer); in show_taint()
1292 static int try_to_force_load(struct module *mod, const char *reason) in try_to_force_load() argument
1296 pr_warn("%s: %s: kernel tainted.\n", mod->name, reason); in try_to_force_load()
1297 add_taint_module(mod, TAINT_FORCED_MODULE, LOCKDEP_NOW_UNRELIABLE); in try_to_force_load()
1313 struct module *mod, in check_version() argument
1327 return try_to_force_load(mod, symname) == 0; in check_version()
1361 struct module *mod) in check_modstruct_version() argument
1375 return check_version(info, "module_layout", mod, crc); in check_modstruct_version()
1391 struct module *mod, in check_version() argument
1398 struct module *mod) in check_modstruct_version() argument
1416 struct module *mod) in verify_namespace_is_imported() argument
1436 mod->name, kernel_symbol_name(sym), namespace); in verify_namespace_is_imported()
1444 static bool inherit_taint(struct module *mod, struct module *owner) in inherit_taint() argument
1449 if (mod->using_gplonly_symbols) { in inherit_taint()
1451 mod->name, owner->name); in inherit_taint()
1455 if (!test_bit(TAINT_PROPRIETARY_MODULE, &mod->taints)) { in inherit_taint()
1457 mod->name, owner->name); in inherit_taint()
1458 set_bit(TAINT_PROPRIETARY_MODULE, &mod->taints); in inherit_taint()
1464 static const struct kernel_symbol *resolve_symbol(struct module *mod, in resolve_symbol() argument
1483 !(mod->taints & (1 << TAINT_PROPRIETARY_MODULE)), true); in resolve_symbol()
1488 mod->using_gplonly_symbols = true; in resolve_symbol()
1490 if (!inherit_taint(mod, owner)) { in resolve_symbol()
1495 if (!check_version(info, name, mod, crc)) { in resolve_symbol()
1500 err = verify_namespace_is_imported(info, sym, mod); in resolve_symbol()
1506 err = ref_module(mod, owner); in resolve_symbol()
1521 resolve_symbol_wait(struct module *mod, in resolve_symbol_wait() argument
1529 !IS_ERR(ksym = resolve_symbol(mod, info, name, owner)) in resolve_symbol_wait()
1533 mod->name, owner); in resolve_symbol_wait()
1600 static void add_sect_attrs(struct module *mod, const struct load_info *info) in add_sect_attrs() argument
1643 if (sysfs_create_group(&mod->mkobj.kobj, §_attrs->grp)) in add_sect_attrs()
1646 mod->sect_attrs = sect_attrs; in add_sect_attrs()
1652 static void remove_sect_attrs(struct module *mod) in remove_sect_attrs() argument
1654 if (mod->sect_attrs) { in remove_sect_attrs()
1655 sysfs_remove_group(&mod->mkobj.kobj, in remove_sect_attrs()
1656 &mod->sect_attrs->grp); in remove_sect_attrs()
1659 free_sect_attrs(mod->sect_attrs); in remove_sect_attrs()
1660 mod->sect_attrs = NULL; in remove_sect_attrs()
1697 static void add_notes_attrs(struct module *mod, const struct load_info *info) in add_notes_attrs() argument
1704 if (!mod->sect_attrs) in add_notes_attrs()
1729 nattr->attr.name = mod->sect_attrs->attrs[loaded].battr.attr.name; in add_notes_attrs()
1739 notes_attrs->dir = kobject_create_and_add("notes", &mod->mkobj.kobj); in add_notes_attrs()
1748 mod->notes_attrs = notes_attrs; in add_notes_attrs()
1755 static void remove_notes_attrs(struct module *mod) in remove_notes_attrs() argument
1757 if (mod->notes_attrs) in remove_notes_attrs()
1758 free_notes_attrs(mod->notes_attrs, mod->notes_attrs->notes); in remove_notes_attrs()
1763 static inline void add_sect_attrs(struct module *mod, in add_sect_attrs() argument
1768 static inline void remove_sect_attrs(struct module *mod) in remove_sect_attrs() argument
1772 static inline void add_notes_attrs(struct module *mod, in add_notes_attrs() argument
1777 static inline void remove_notes_attrs(struct module *mod) in remove_notes_attrs() argument
1782 static void del_usage_links(struct module *mod) in del_usage_links() argument
1788 list_for_each_entry(use, &mod->target_list, target_list) in del_usage_links()
1789 sysfs_remove_link(use->target->holders_dir, mod->name); in del_usage_links()
1794 static int add_usage_links(struct module *mod) in add_usage_links() argument
1801 list_for_each_entry(use, &mod->target_list, target_list) { in add_usage_links()
1803 &mod->mkobj.kobj, mod->name); in add_usage_links()
1809 del_usage_links(mod); in add_usage_links()
1814 static void module_remove_modinfo_attrs(struct module *mod, int end);
1816 static int module_add_modinfo_attrs(struct module *mod) in module_add_modinfo_attrs() argument
1823 mod->modinfo_attrs = kzalloc((sizeof(struct module_attribute) * in module_add_modinfo_attrs()
1826 if (!mod->modinfo_attrs) in module_add_modinfo_attrs()
1829 temp_attr = mod->modinfo_attrs; in module_add_modinfo_attrs()
1831 if (!attr->test || attr->test(mod)) { in module_add_modinfo_attrs()
1834 error = sysfs_create_file(&mod->mkobj.kobj, in module_add_modinfo_attrs()
1846 module_remove_modinfo_attrs(mod, --i); in module_add_modinfo_attrs()
1848 kfree(mod->modinfo_attrs); in module_add_modinfo_attrs()
1852 static void module_remove_modinfo_attrs(struct module *mod, int end) in module_remove_modinfo_attrs() argument
1857 for (i = 0; (attr = &mod->modinfo_attrs[i]); i++) { in module_remove_modinfo_attrs()
1863 sysfs_remove_file(&mod->mkobj.kobj, &attr->attr); in module_remove_modinfo_attrs()
1865 attr->free(mod); in module_remove_modinfo_attrs()
1867 kfree(mod->modinfo_attrs); in module_remove_modinfo_attrs()
1870 static void mod_kobject_put(struct module *mod) in mod_kobject_put() argument
1873 mod->mkobj.kobj_completion = &c; in mod_kobject_put()
1874 kobject_put(&mod->mkobj.kobj); in mod_kobject_put()
1878 static int mod_sysfs_init(struct module *mod) in mod_sysfs_init() argument
1884 pr_err("%s: module sysfs not initialized\n", mod->name); in mod_sysfs_init()
1889 kobj = kset_find_obj(module_kset, mod->name); in mod_sysfs_init()
1891 pr_err("%s: module is already loaded\n", mod->name); in mod_sysfs_init()
1897 mod->mkobj.mod = mod; in mod_sysfs_init()
1899 memset(&mod->mkobj.kobj, 0, sizeof(mod->mkobj.kobj)); in mod_sysfs_init()
1900 mod->mkobj.kobj.kset = module_kset; in mod_sysfs_init()
1901 err = kobject_init_and_add(&mod->mkobj.kobj, &module_ktype, NULL, in mod_sysfs_init()
1902 "%s", mod->name); in mod_sysfs_init()
1904 mod_kobject_put(mod); in mod_sysfs_init()
1910 static int mod_sysfs_setup(struct module *mod, in mod_sysfs_setup() argument
1917 err = mod_sysfs_init(mod); in mod_sysfs_setup()
1921 mod->holders_dir = kobject_create_and_add("holders", &mod->mkobj.kobj); in mod_sysfs_setup()
1922 if (!mod->holders_dir) { in mod_sysfs_setup()
1927 err = module_param_sysfs_setup(mod, kparam, num_params); in mod_sysfs_setup()
1931 err = module_add_modinfo_attrs(mod); in mod_sysfs_setup()
1935 err = add_usage_links(mod); in mod_sysfs_setup()
1939 add_sect_attrs(mod, info); in mod_sysfs_setup()
1940 add_notes_attrs(mod, info); in mod_sysfs_setup()
1945 module_remove_modinfo_attrs(mod, -1); in mod_sysfs_setup()
1947 module_param_sysfs_remove(mod); in mod_sysfs_setup()
1949 kobject_put(mod->holders_dir); in mod_sysfs_setup()
1951 mod_kobject_put(mod); in mod_sysfs_setup()
1956 static void mod_sysfs_fini(struct module *mod) in mod_sysfs_fini() argument
1958 remove_notes_attrs(mod); in mod_sysfs_fini()
1959 remove_sect_attrs(mod); in mod_sysfs_fini()
1960 mod_kobject_put(mod); in mod_sysfs_fini()
1963 static void init_param_lock(struct module *mod) in init_param_lock() argument
1965 mutex_init(&mod->param_lock); in init_param_lock()
1969 static int mod_sysfs_setup(struct module *mod, in mod_sysfs_setup() argument
1977 static void mod_sysfs_fini(struct module *mod) in mod_sysfs_fini() argument
1981 static void module_remove_modinfo_attrs(struct module *mod, int end) in module_remove_modinfo_attrs() argument
1985 static void del_usage_links(struct module *mod) in del_usage_links() argument
1989 static void init_param_lock(struct module *mod) in init_param_lock() argument
1994 static void mod_sysfs_teardown(struct module *mod) in mod_sysfs_teardown() argument
1996 del_usage_links(mod); in mod_sysfs_teardown()
1997 module_remove_modinfo_attrs(mod, -1); in mod_sysfs_teardown()
1998 module_param_sysfs_remove(mod); in mod_sysfs_teardown()
1999 kobject_put(mod->mkobj.drivers_dir); in mod_sysfs_teardown()
2000 kobject_put(mod->holders_dir); in mod_sysfs_teardown()
2001 mod_sysfs_fini(mod); in mod_sysfs_teardown()
2034 static void module_enable_x(const struct module *mod) in module_enable_x() argument
2036 frob_text(&mod->core_layout, set_memory_x); in module_enable_x()
2037 frob_text(&mod->init_layout, set_memory_x); in module_enable_x()
2040 static void module_enable_x(const struct module *mod) { } in module_enable_x() argument
2074 static void module_enable_ro(const struct module *mod, bool after_init) in module_enable_ro() argument
2079 set_vm_flush_reset_perms(mod->core_layout.base); in module_enable_ro()
2080 set_vm_flush_reset_perms(mod->init_layout.base); in module_enable_ro()
2081 frob_text(&mod->core_layout, set_memory_ro); in module_enable_ro()
2083 frob_rodata(&mod->core_layout, set_memory_ro); in module_enable_ro()
2084 frob_text(&mod->init_layout, set_memory_ro); in module_enable_ro()
2085 frob_rodata(&mod->init_layout, set_memory_ro); in module_enable_ro()
2088 frob_ro_after_init(&mod->core_layout, set_memory_ro); in module_enable_ro()
2091 static void module_enable_nx(const struct module *mod) in module_enable_nx() argument
2093 frob_rodata(&mod->core_layout, set_memory_nx); in module_enable_nx()
2094 frob_ro_after_init(&mod->core_layout, set_memory_nx); in module_enable_nx()
2095 frob_writable_data(&mod->core_layout, set_memory_nx); in module_enable_nx()
2096 frob_rodata(&mod->init_layout, set_memory_nx); in module_enable_nx()
2097 frob_writable_data(&mod->init_layout, set_memory_nx); in module_enable_nx()
2101 char *secstrings, struct module *mod) in module_enforce_rwx_sections() argument
2109 mod->name, secstrings + sechdrs[i].sh_name, i); in module_enforce_rwx_sections()
2118 static void module_enable_nx(const struct module *mod) { } in module_enable_nx() argument
2119 static void module_enable_ro(const struct module *mod, bool after_init) {} in module_enable_ro() argument
2121 char *secstrings, struct module *mod) in module_enforce_rwx_sections() argument
2133 static int copy_module_elf(struct module *mod, struct load_info *info) in copy_module_elf() argument
2138 size = sizeof(*mod->klp_info); in copy_module_elf()
2139 mod->klp_info = kmalloc(size, GFP_KERNEL); in copy_module_elf()
2140 if (mod->klp_info == NULL) in copy_module_elf()
2144 size = sizeof(mod->klp_info->hdr); in copy_module_elf()
2145 memcpy(&mod->klp_info->hdr, info->hdr, size); in copy_module_elf()
2149 mod->klp_info->sechdrs = kmemdup(info->sechdrs, size, GFP_KERNEL); in copy_module_elf()
2150 if (mod->klp_info->sechdrs == NULL) { in copy_module_elf()
2157 mod->klp_info->secstrings = kmemdup(info->secstrings, size, GFP_KERNEL); in copy_module_elf()
2158 if (mod->klp_info->secstrings == NULL) { in copy_module_elf()
2165 mod->klp_info->symndx = symndx; in copy_module_elf()
2173 mod->klp_info->sechdrs[symndx].sh_addr = \ in copy_module_elf()
2174 (unsigned long) mod->core_kallsyms.symtab; in copy_module_elf()
2179 kfree(mod->klp_info->sechdrs); in copy_module_elf()
2181 kfree(mod->klp_info); in copy_module_elf()
2185 static void free_module_elf(struct module *mod) in free_module_elf() argument
2187 kfree(mod->klp_info->sechdrs); in free_module_elf()
2188 kfree(mod->klp_info->secstrings); in free_module_elf()
2189 kfree(mod->klp_info); in free_module_elf()
2192 static int copy_module_elf(struct module *mod, struct load_info *info) in copy_module_elf() argument
2197 static void free_module_elf(struct module *mod) in free_module_elf() argument
2212 void __weak module_arch_cleanup(struct module *mod) in module_arch_cleanup() argument
2216 void __weak module_arch_freeing_init(struct module *mod) in module_arch_freeing_init() argument
2220 static void cfi_cleanup(struct module *mod);
2223 static void free_module(struct module *mod) in free_module() argument
2225 trace_module_free(mod); in free_module()
2227 mod_sysfs_teardown(mod); in free_module()
2232 mod->state = MODULE_STATE_UNFORMED; in free_module()
2236 ddebug_remove_module(mod->name); in free_module()
2239 module_arch_cleanup(mod); in free_module()
2242 module_unload_free(mod); in free_module()
2245 destroy_params(mod->kp, mod->num_kp); in free_module()
2247 if (is_livepatch_module(mod)) in free_module()
2248 free_module_elf(mod); in free_module()
2253 list_del_rcu(&mod->list); in free_module()
2254 mod_tree_remove(mod); in free_module()
2256 module_bug_cleanup(mod); in free_module()
2262 cfi_cleanup(mod); in free_module()
2265 module_arch_freeing_init(mod); in free_module()
2266 trace_android_vh_set_memory_rw((unsigned long)mod->init_layout.base, in free_module()
2267 (mod->init_layout.size)>>PAGE_SHIFT); in free_module()
2268 trace_android_vh_set_memory_nx((unsigned long)mod->init_layout.base, in free_module()
2269 (mod->init_layout.size)>>PAGE_SHIFT); in free_module()
2270 module_memfree(mod->init_layout.base); in free_module()
2271 kfree(mod->args); in free_module()
2272 percpu_modfree(mod); in free_module()
2275 lockdep_free_key_range(mod->core_layout.base, mod->core_layout.size); in free_module()
2278 trace_android_vh_set_memory_rw((unsigned long)mod->core_layout.base, in free_module()
2279 (mod->core_layout.size)>>PAGE_SHIFT); in free_module()
2280 trace_android_vh_set_memory_nx((unsigned long)mod->core_layout.base, in free_module()
2281 (mod->core_layout.size)>>PAGE_SHIFT); in free_module()
2282 module_memfree(mod->core_layout.base); in free_module()
2326 static int verify_exported_symbols(struct module *mod) in verify_exported_symbols() argument
2335 { mod->syms, mod->num_syms }, in verify_exported_symbols()
2336 { mod->gpl_syms, mod->num_gpl_syms }, in verify_exported_symbols()
2337 { mod->gpl_future_syms, mod->num_gpl_future_syms }, in verify_exported_symbols()
2339 { mod->unused_syms, mod->num_unused_syms }, in verify_exported_symbols()
2340 { mod->unused_gpl_syms, mod->num_unused_gpl_syms }, in verify_exported_symbols()
2350 mod->name, kernel_symbol_name(s), in verify_exported_symbols()
2375 static int simplify_symbols(struct module *mod, const struct load_info *info) in simplify_symbols() argument
2397 mod->name); in simplify_symbols()
2412 ksym = resolve_symbol_wait(mod, info, name); in simplify_symbols()
2427 mod->name, name, ret); in simplify_symbols()
2433 secbase = (unsigned long)mod_percpu(mod); in simplify_symbols()
2444 static int apply_relocations(struct module *mod, const struct load_info *info) in apply_relocations() argument
2462 err = klp_apply_section_relocs(mod, info->sechdrs, in apply_relocations()
2469 info->index.sym, i, mod); in apply_relocations()
2472 info->index.sym, i, mod); in apply_relocations()
2480 unsigned int __weak arch_mod_section_prepend(struct module *mod, in arch_mod_section_prepend() argument
2488 static long get_offset(struct module *mod, unsigned int *size, in get_offset() argument
2493 *size += arch_mod_section_prepend(mod, section); in get_offset()
2503 static void layout_sections(struct module *mod, struct load_info *info) in layout_sections() argument
2531 s->sh_entsize = get_offset(mod, &mod->core_layout.size, s, i); in layout_sections()
2536 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_sections()
2537 mod->core_layout.text_size = mod->core_layout.size; in layout_sections()
2540 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_sections()
2541 mod->core_layout.ro_size = mod->core_layout.size; in layout_sections()
2544 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_sections()
2545 mod->core_layout.ro_after_init_size = mod->core_layout.size; in layout_sections()
2548 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_sections()
2564 s->sh_entsize = (get_offset(mod, &mod->init_layout.size, s, i) in layout_sections()
2570 mod->init_layout.size = debug_align(mod->init_layout.size); in layout_sections()
2571 mod->init_layout.text_size = mod->init_layout.size; in layout_sections()
2574 mod->init_layout.size = debug_align(mod->init_layout.size); in layout_sections()
2575 mod->init_layout.ro_size = mod->init_layout.size; in layout_sections()
2582 mod->init_layout.ro_after_init_size = mod->init_layout.ro_size; in layout_sections()
2585 mod->init_layout.size = debug_align(mod->init_layout.size); in layout_sections()
2591 static void set_license(struct module *mod, const char *license) in set_license() argument
2599 mod->name, license); in set_license()
2600 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in set_license()
2655 static void setup_modinfo(struct module *mod, struct load_info *info) in setup_modinfo() argument
2662 attr->setup(mod, get_modinfo(info, attr->attr.name)); in setup_modinfo()
2666 static void free_modinfo(struct module *mod) in free_modinfo() argument
2673 attr->free(mod); in free_modinfo()
2689 const struct module *mod) in is_exported() argument
2692 if (!mod) in is_exported()
2695 ks = lookup_exported_symbol(name, mod->syms, mod->syms + mod->num_syms); in is_exported()
2774 static void layout_symtab(struct module *mod, struct load_info *info) in layout_symtab() argument
2783 symsect->sh_entsize = get_offset(mod, &mod->init_layout.size, symsect, in layout_symtab()
2792 if (i == 0 || is_livepatch_module(mod) || in layout_symtab()
2801 info->symoffs = ALIGN(mod->core_layout.size, symsect->sh_addralign ?: 1); in layout_symtab()
2802 info->stroffs = mod->core_layout.size = info->symoffs + ndst * sizeof(Elf_Sym); in layout_symtab()
2803 mod->core_layout.size += strtab_size; in layout_symtab()
2804 info->core_typeoffs = mod->core_layout.size; in layout_symtab()
2805 mod->core_layout.size += ndst * sizeof(char); in layout_symtab()
2806 mod->core_layout.size = debug_align(mod->core_layout.size); in layout_symtab()
2810 strsect->sh_entsize = get_offset(mod, &mod->init_layout.size, strsect, in layout_symtab()
2815 mod->init_layout.size = ALIGN(mod->init_layout.size, in layout_symtab()
2817 info->mod_kallsyms_init_off = mod->init_layout.size; in layout_symtab()
2818 mod->init_layout.size += sizeof(struct mod_kallsyms); in layout_symtab()
2819 info->init_typeoffs = mod->init_layout.size; in layout_symtab()
2820 mod->init_layout.size += nsrc * sizeof(char); in layout_symtab()
2821 mod->init_layout.size = debug_align(mod->init_layout.size); in layout_symtab()
2829 static void add_kallsyms(struct module *mod, const struct load_info *info) in add_kallsyms() argument
2838 mod->kallsyms = mod->init_layout.base + info->mod_kallsyms_init_off; in add_kallsyms()
2840 mod->kallsyms->symtab = (void *)symsec->sh_addr; in add_kallsyms()
2841 mod->kallsyms->num_symtab = symsec->sh_size / sizeof(Elf_Sym); in add_kallsyms()
2843 mod->kallsyms->strtab = (void *)info->sechdrs[info->index.str].sh_addr; in add_kallsyms()
2844 mod->kallsyms->typetab = mod->init_layout.base + info->init_typeoffs; in add_kallsyms()
2850 mod->core_kallsyms.symtab = dst = mod->core_layout.base + info->symoffs; in add_kallsyms()
2851 mod->core_kallsyms.strtab = s = mod->core_layout.base + info->stroffs; in add_kallsyms()
2852 mod->core_kallsyms.typetab = mod->core_layout.base + info->core_typeoffs; in add_kallsyms()
2853 src = mod->kallsyms->symtab; in add_kallsyms()
2854 for (ndst = i = 0; i < mod->kallsyms->num_symtab; i++) { in add_kallsyms()
2855 mod->kallsyms->typetab[i] = elf_type(src + i, info); in add_kallsyms()
2856 if (i == 0 || is_livepatch_module(mod) || in add_kallsyms()
2859 mod->core_kallsyms.typetab[ndst] = in add_kallsyms()
2860 mod->kallsyms->typetab[i]; in add_kallsyms()
2862 dst[ndst++].st_name = s - mod->core_kallsyms.strtab; in add_kallsyms()
2863 s += strlcpy(s, &mod->kallsyms->strtab[src[i].st_name], in add_kallsyms()
2867 mod->core_kallsyms.num_symtab = ndst; in add_kallsyms()
2870 static inline void layout_symtab(struct module *mod, struct load_info *info) in layout_symtab() argument
2874 static void add_kallsyms(struct module *mod, const struct load_info *info) in add_kallsyms() argument
2879 static void dynamic_debug_setup(struct module *mod, struct _ddebug *debug, unsigned int num) in dynamic_debug_setup() argument
2883 ddebug_add_module(debug, num, mod->name); in dynamic_debug_setup()
2886 static void dynamic_debug_remove(struct module *mod, struct _ddebug *debug) in dynamic_debug_remove() argument
2889 ddebug_remove_module(mod->name); in dynamic_debug_remove()
2910 static void kmemleak_load_module(const struct module *mod, in kmemleak_load_module() argument
2916 kmemleak_scan_area(mod, sizeof(struct module), GFP_KERNEL); in kmemleak_load_module()
2930 static inline void kmemleak_load_module(const struct module *mod, in kmemleak_load_module() argument
2942 const void *mod = info->hdr; in module_sig_check() local
2950 memcmp(mod + info->len - markerlen, MODULE_SIG_STRING, markerlen) == 0) { in module_sig_check()
2953 err = mod_verify_sig(mod, info); in module_sig_check()
3126 static int check_modinfo_livepatch(struct module *mod, struct load_info *info) in check_modinfo_livepatch() argument
3129 mod->klp = true; in check_modinfo_livepatch()
3130 add_taint_module(mod, TAINT_LIVEPATCH, LOCKDEP_STILL_OK); in check_modinfo_livepatch()
3132 mod->name); in check_modinfo_livepatch()
3138 static int check_modinfo_livepatch(struct module *mod, struct load_info *info) in check_modinfo_livepatch() argument
3142 mod->name); in check_modinfo_livepatch()
3150 static void check_modinfo_retpoline(struct module *mod, struct load_info *info) in check_modinfo_retpoline() argument
3156 mod->name); in check_modinfo_retpoline()
3254 info->index.mod = find_sec(info, ".gnu.linkonce.this_module"); in setup_load_info()
3255 if (!info->index.mod) { in setup_load_info()
3261 info->mod = (void *)info->hdr + info->sechdrs[info->index.mod].sh_offset; in setup_load_info()
3268 info->name = info->mod->name; in setup_load_info()
3280 static int check_modinfo(struct module *mod, struct load_info *info, int flags) in check_modinfo() argument
3290 err = try_to_force_load(mod, "bad vermagic"); in check_modinfo()
3302 mod->name); in check_modinfo()
3303 add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK); in check_modinfo()
3306 check_modinfo_retpoline(mod, info); in check_modinfo()
3309 add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK); in check_modinfo()
3311 "is unknown, you have been warned.\n", mod->name); in check_modinfo()
3314 err = check_modinfo_livepatch(mod, info); in check_modinfo()
3319 set_license(mod, get_modinfo(info, "license")); in check_modinfo()
3324 static int find_module_sections(struct module *mod, struct load_info *info) in find_module_sections() argument
3326 mod->kp = section_objs(info, "__param", in find_module_sections()
3327 sizeof(*mod->kp), &mod->num_kp); in find_module_sections()
3328 mod->syms = section_objs(info, "__ksymtab", in find_module_sections()
3329 sizeof(*mod->syms), &mod->num_syms); in find_module_sections()
3330 mod->crcs = section_addr(info, "__kcrctab"); in find_module_sections()
3331 mod->gpl_syms = section_objs(info, "__ksymtab_gpl", in find_module_sections()
3332 sizeof(*mod->gpl_syms), in find_module_sections()
3333 &mod->num_gpl_syms); in find_module_sections()
3334 mod->gpl_crcs = section_addr(info, "__kcrctab_gpl"); in find_module_sections()
3335 mod->gpl_future_syms = section_objs(info, in find_module_sections()
3337 sizeof(*mod->gpl_future_syms), in find_module_sections()
3338 &mod->num_gpl_future_syms); in find_module_sections()
3339 mod->gpl_future_crcs = section_addr(info, "__kcrctab_gpl_future"); in find_module_sections()
3342 mod->unused_syms = section_objs(info, "__ksymtab_unused", in find_module_sections()
3343 sizeof(*mod->unused_syms), in find_module_sections()
3344 &mod->num_unused_syms); in find_module_sections()
3345 mod->unused_crcs = section_addr(info, "__kcrctab_unused"); in find_module_sections()
3346 mod->unused_gpl_syms = section_objs(info, "__ksymtab_unused_gpl", in find_module_sections()
3347 sizeof(*mod->unused_gpl_syms), in find_module_sections()
3348 &mod->num_unused_gpl_syms); in find_module_sections()
3349 mod->unused_gpl_crcs = section_addr(info, "__kcrctab_unused_gpl"); in find_module_sections()
3352 mod->ctors = section_objs(info, ".ctors", in find_module_sections()
3353 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
3354 if (!mod->ctors) in find_module_sections()
3355 mod->ctors = section_objs(info, ".init_array", in find_module_sections()
3356 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
3363 mod->name); in find_module_sections()
3368 mod->noinstr_text_start = section_objs(info, ".noinstr.text", 1, in find_module_sections()
3369 &mod->noinstr_text_size); in find_module_sections()
3372 mod->tracepoints_ptrs = section_objs(info, "__tracepoints_ptrs", in find_module_sections()
3373 sizeof(*mod->tracepoints_ptrs), in find_module_sections()
3374 &mod->num_tracepoints); in find_module_sections()
3377 mod->srcu_struct_ptrs = section_objs(info, "___srcu_struct_ptrs", in find_module_sections()
3378 sizeof(*mod->srcu_struct_ptrs), in find_module_sections()
3379 &mod->num_srcu_structs); in find_module_sections()
3382 mod->bpf_raw_events = section_objs(info, "__bpf_raw_tp_map", in find_module_sections()
3383 sizeof(*mod->bpf_raw_events), in find_module_sections()
3384 &mod->num_bpf_raw_events); in find_module_sections()
3387 mod->jump_entries = section_objs(info, "__jump_table", in find_module_sections()
3388 sizeof(*mod->jump_entries), in find_module_sections()
3389 &mod->num_jump_entries); in find_module_sections()
3392 mod->trace_events = section_objs(info, "_ftrace_events", in find_module_sections()
3393 sizeof(*mod->trace_events), in find_module_sections()
3394 &mod->num_trace_events); in find_module_sections()
3395 mod->trace_evals = section_objs(info, "_ftrace_eval_map", in find_module_sections()
3396 sizeof(*mod->trace_evals), in find_module_sections()
3397 &mod->num_trace_evals); in find_module_sections()
3400 mod->trace_bprintk_fmt_start = section_objs(info, "__trace_printk_fmt", in find_module_sections()
3401 sizeof(*mod->trace_bprintk_fmt_start), in find_module_sections()
3402 &mod->num_trace_bprintk_fmt); in find_module_sections()
3406 mod->ftrace_callsites = section_objs(info, FTRACE_CALLSITE_SECTION, in find_module_sections()
3407 sizeof(*mod->ftrace_callsites), in find_module_sections()
3408 &mod->num_ftrace_callsites); in find_module_sections()
3411 mod->ei_funcs = section_objs(info, "_error_injection_whitelist", in find_module_sections()
3412 sizeof(*mod->ei_funcs), in find_module_sections()
3413 &mod->num_ei_funcs); in find_module_sections()
3416 mod->kprobes_text_start = section_objs(info, ".kprobes.text", 1, in find_module_sections()
3417 &mod->kprobes_text_size); in find_module_sections()
3418 mod->kprobe_blacklist = section_objs(info, "_kprobe_blacklist", in find_module_sections()
3420 &mod->num_kprobe_blacklist); in find_module_sections()
3423 mod->static_call_sites = section_objs(info, ".static_call_sites", in find_module_sections()
3424 sizeof(*mod->static_call_sites), in find_module_sections()
3425 &mod->num_static_call_sites); in find_module_sections()
3427 mod->extable = section_objs(info, "__ex_table", in find_module_sections()
3428 sizeof(*mod->extable), &mod->num_exentries); in find_module_sections()
3431 pr_warn("%s: Ignoring obsolete parameters\n", mod->name); in find_module_sections()
3439 static int move_module(struct module *mod, struct load_info *info) in move_module() argument
3445 ptr = module_alloc(mod->core_layout.size); in move_module()
3455 memset(ptr, 0, mod->core_layout.size); in move_module()
3456 mod->core_layout.base = ptr; in move_module()
3458 if (mod->init_layout.size) { in move_module()
3459 ptr = module_alloc(mod->init_layout.size); in move_module()
3468 module_memfree(mod->core_layout.base); in move_module()
3471 memset(ptr, 0, mod->init_layout.size); in move_module()
3472 mod->init_layout.base = ptr; in move_module()
3474 mod->init_layout.base = NULL; in move_module()
3486 dest = mod->init_layout.base in move_module()
3489 dest = mod->core_layout.base + shdr->sh_entsize; in move_module()
3502 static int check_module_license_and_versions(struct module *mod) in check_module_license_and_versions() argument
3511 if (strcmp(mod->name, "ndiswrapper") == 0) in check_module_license_and_versions()
3515 if (strcmp(mod->name, "driverloader") == 0) in check_module_license_and_versions()
3516 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in check_module_license_and_versions()
3520 if (strcmp(mod->name, "lve") == 0) in check_module_license_and_versions()
3521 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in check_module_license_and_versions()
3525 pr_warn("%s: module license taints kernel.\n", mod->name); in check_module_license_and_versions()
3528 if ((mod->num_syms && !mod->crcs) in check_module_license_and_versions()
3529 || (mod->num_gpl_syms && !mod->gpl_crcs) in check_module_license_and_versions()
3530 || (mod->num_gpl_future_syms && !mod->gpl_future_crcs) in check_module_license_and_versions()
3532 || (mod->num_unused_syms && !mod->unused_crcs) in check_module_license_and_versions()
3533 || (mod->num_unused_gpl_syms && !mod->unused_gpl_crcs) in check_module_license_and_versions()
3536 return try_to_force_load(mod, in check_module_license_and_versions()
3543 static void flush_module_icache(const struct module *mod) in flush_module_icache() argument
3550 if (mod->init_layout.base) in flush_module_icache()
3551 flush_icache_range((unsigned long)mod->init_layout.base, in flush_module_icache()
3552 (unsigned long)mod->init_layout.base in flush_module_icache()
3553 + mod->init_layout.size); in flush_module_icache()
3554 flush_icache_range((unsigned long)mod->core_layout.base, in flush_module_icache()
3555 (unsigned long)mod->core_layout.base + mod->core_layout.size); in flush_module_icache()
3561 struct module *mod) in module_frob_arch_sections() argument
3589 struct module *mod; in layout_and_allocate() local
3593 err = check_modinfo(info->mod, info, flags); in layout_and_allocate()
3599 info->secstrings, info->mod); in layout_and_allocate()
3604 info->secstrings, info->mod); in layout_and_allocate()
3632 layout_sections(info->mod, info); in layout_and_allocate()
3633 layout_symtab(info->mod, info); in layout_and_allocate()
3636 err = move_module(info->mod, info); in layout_and_allocate()
3641 mod = (void *)info->sechdrs[info->index.mod].sh_addr; in layout_and_allocate()
3642 kmemleak_load_module(mod, info); in layout_and_allocate()
3643 return mod; in layout_and_allocate()
3647 static void module_deallocate(struct module *mod, struct load_info *info) in module_deallocate() argument
3649 percpu_modfree(mod); in module_deallocate()
3650 module_arch_freeing_init(mod); in module_deallocate()
3651 trace_android_vh_set_memory_rw((unsigned long)mod->init_layout.base, in module_deallocate()
3652 (mod->init_layout.size)>>PAGE_SHIFT); in module_deallocate()
3653 trace_android_vh_set_memory_nx((unsigned long)mod->init_layout.base, in module_deallocate()
3654 (mod->init_layout.size)>>PAGE_SHIFT); in module_deallocate()
3655 module_memfree(mod->init_layout.base); in module_deallocate()
3656 trace_android_vh_set_memory_rw((unsigned long)mod->core_layout.base, in module_deallocate()
3657 (mod->core_layout.size)>>PAGE_SHIFT); in module_deallocate()
3658 trace_android_vh_set_memory_nx((unsigned long)mod->core_layout.base, in module_deallocate()
3659 (mod->core_layout.size)>>PAGE_SHIFT); in module_deallocate()
3660 module_memfree(mod->core_layout.base); in module_deallocate()
3670 static int post_relocation(struct module *mod, const struct load_info *info) in post_relocation() argument
3673 sort_extable(mod->extable, mod->extable + mod->num_exentries); in post_relocation()
3676 percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr, in post_relocation()
3680 add_kallsyms(mod, info); in post_relocation()
3683 return module_finalize(info->hdr, info->sechdrs, mod); in post_relocation()
3689 struct module *mod; in finished_loading() local
3699 mod = find_module_all(name, strlen(name), true); in finished_loading()
3700 ret = !mod || mod->state == MODULE_STATE_LIVE in finished_loading()
3701 || mod->state == MODULE_STATE_GOING; in finished_loading()
3708 static void do_mod_ctors(struct module *mod) in do_mod_ctors() argument
3713 for (i = 0; i < mod->num_ctors; i++) in do_mod_ctors()
3714 mod->ctors[i](); in do_mod_ctors()
3746 static noinline int do_init_module(struct module *mod) in do_init_module() argument
3756 freeinit->module_init = mod->init_layout.base; in do_init_module()
3758 do_mod_ctors(mod); in do_init_module()
3760 if (mod->init != NULL) in do_init_module()
3761 ret = do_one_initcall(mod->init); in do_init_module()
3769 __func__, mod->name, ret, __func__); in do_init_module()
3774 mod->state = MODULE_STATE_LIVE; in do_init_module()
3776 MODULE_STATE_LIVE, mod); in do_init_module()
3779 kobject_uevent(&mod->mkobj.kobj, KOBJ_ADD); in do_init_module()
3789 if (!mod->async_probe_requested) in do_init_module()
3792 ftrace_free_mem(mod, mod->init_layout.base, mod->init_layout.base + in do_init_module()
3793 mod->init_layout.size); in do_init_module()
3796 module_put(mod); in do_init_module()
3797 trim_init_extable(mod); in do_init_module()
3800 rcu_assign_pointer(mod->kallsyms, &mod->core_kallsyms); in do_init_module()
3802 module_enable_ro(mod, true); in do_init_module()
3803 trace_android_vh_set_module_permit_after_init(mod); in do_init_module()
3804 mod_tree_remove_init(mod); in do_init_module()
3805 module_arch_freeing_init(mod); in do_init_module()
3806 trace_android_vh_set_memory_rw((unsigned long)mod->init_layout.base, in do_init_module()
3807 (mod->init_layout.size)>>PAGE_SHIFT); in do_init_module()
3808 trace_android_vh_set_memory_nx((unsigned long)mod->init_layout.base, in do_init_module()
3809 (mod->init_layout.size)>>PAGE_SHIFT); in do_init_module()
3810 mod->init_layout.base = NULL; in do_init_module()
3811 mod->init_layout.size = 0; in do_init_module()
3812 mod->init_layout.ro_size = 0; in do_init_module()
3813 mod->init_layout.ro_after_init_size = 0; in do_init_module()
3814 mod->init_layout.text_size = 0; in do_init_module()
3840 mod->state = MODULE_STATE_GOING; in do_init_module()
3842 module_put(mod); in do_init_module()
3844 MODULE_STATE_GOING, mod); in do_init_module()
3845 klp_module_going(mod); in do_init_module()
3846 ftrace_release_mod(mod); in do_init_module()
3847 free_module(mod); in do_init_module()
3865 static int add_unformed_module(struct module *mod) in add_unformed_module() argument
3870 mod->state = MODULE_STATE_UNFORMED; in add_unformed_module()
3873 old = find_module_all(mod->name, strlen(mod->name), true); in add_unformed_module()
3880 finished_loading(mod->name)); in add_unformed_module()
3886 old = find_module_all(mod->name, strlen(mod->name), in add_unformed_module()
3903 mod_update_bounds(mod); in add_unformed_module()
3904 list_add_rcu(&mod->list, &modules); in add_unformed_module()
3905 mod_tree_insert(mod); in add_unformed_module()
3914 static int complete_formation(struct module *mod, struct load_info *info) in complete_formation() argument
3921 err = verify_exported_symbols(mod); in complete_formation()
3926 module_bug_finalize(info->hdr, info->sechdrs, mod); in complete_formation()
3928 module_enable_ro(mod, false); in complete_formation()
3929 module_enable_nx(mod); in complete_formation()
3930 module_enable_x(mod); in complete_formation()
3931 trace_android_vh_set_module_permit_before_init(mod); in complete_formation()
3935 mod->state = MODULE_STATE_COMING; in complete_formation()
3945 static int prepare_coming_module(struct module *mod) in prepare_coming_module() argument
3949 ftrace_module_enable(mod); in prepare_coming_module()
3950 err = klp_module_coming(mod); in prepare_coming_module()
3955 MODULE_STATE_COMING, MODULE_STATE_GOING, mod); in prepare_coming_module()
3958 klp_module_going(mod); in prepare_coming_module()
3966 struct module *mod = arg; in unknown_module_param_cb() local
3970 mod->async_probe_requested = true; in unknown_module_param_cb()
3981 static void cfi_init(struct module *mod);
3988 struct module *mod; in load_module() local
4041 if (!check_modstruct_version(info, info->mod)) { in load_module()
4047 mod = layout_and_allocate(info, flags); in load_module()
4048 if (IS_ERR(mod)) { in load_module()
4049 err = PTR_ERR(mod); in load_module()
4053 audit_log_kern_module(mod->name); in load_module()
4056 err = add_unformed_module(mod); in load_module()
4061 mod->sig_ok = info->sig_ok; in load_module()
4062 if (!mod->sig_ok) { in load_module()
4065 "kernel\n", mod->name); in load_module()
4066 add_taint_module(mod, TAINT_UNSIGNED_MODULE, LOCKDEP_STILL_OK); in load_module()
4071 err = percpu_modalloc(mod, info); in load_module()
4076 err = module_unload_init(mod); in load_module()
4080 init_param_lock(mod); in load_module()
4084 err = find_module_sections(mod, info); in load_module()
4088 err = check_module_license_and_versions(mod); in load_module()
4093 setup_modinfo(mod, info); in load_module()
4096 err = simplify_symbols(mod, info); in load_module()
4100 err = apply_relocations(mod, info); in load_module()
4104 err = post_relocation(mod, info); in load_module()
4108 flush_module_icache(mod); in load_module()
4111 cfi_init(mod); in load_module()
4114 mod->args = strndup_user(uargs, ~0UL >> 1); in load_module()
4115 if (IS_ERR(mod->args)) { in load_module()
4116 err = PTR_ERR(mod->args); in load_module()
4120 dynamic_debug_setup(mod, info->debug, info->num_debug); in load_module()
4123 ftrace_module_init(mod); in load_module()
4126 err = complete_formation(mod, info); in load_module()
4130 err = prepare_coming_module(mod); in load_module()
4135 after_dashes = parse_args(mod->name, mod->args, mod->kp, mod->num_kp, in load_module()
4136 -32768, 32767, mod, in load_module()
4143 mod->name, after_dashes); in load_module()
4147 err = mod_sysfs_setup(mod, info, mod->kp, mod->num_kp); in load_module()
4151 if (is_livepatch_module(mod)) { in load_module()
4152 err = copy_module_elf(mod, info); in load_module()
4161 trace_module_load(mod); in load_module()
4163 return do_init_module(mod); in load_module()
4166 mod_sysfs_teardown(mod); in load_module()
4168 mod->state = MODULE_STATE_GOING; in load_module()
4169 destroy_params(mod->kp, mod->num_kp); in load_module()
4171 MODULE_STATE_GOING, mod); in load_module()
4172 klp_module_going(mod); in load_module()
4174 mod->state = MODULE_STATE_GOING; in load_module()
4177 module_bug_cleanup(mod); in load_module()
4181 ftrace_release_mod(mod); in load_module()
4182 dynamic_debug_remove(mod, info->debug); in load_module()
4184 kfree(mod->args); in load_module()
4186 cfi_cleanup(mod); in load_module()
4187 module_arch_cleanup(mod); in load_module()
4189 free_modinfo(mod); in load_module()
4191 module_unload_free(mod); in load_module()
4195 list_del_rcu(&mod->list); in load_module()
4196 mod_tree_remove(mod); in load_module()
4203 lockdep_free_key_range(mod->core_layout.base, mod->core_layout.size); in load_module()
4205 module_deallocate(mod, info); in load_module()
4289 static const char *find_kallsyms_symbol(struct module *mod, in find_kallsyms_symbol() argument
4296 struct mod_kallsyms *kallsyms = rcu_dereference_sched(mod->kallsyms); in find_kallsyms_symbol()
4299 if (within_module_init(addr, mod)) in find_kallsyms_symbol()
4300 nextval = (unsigned long)mod->init_layout.base+mod->init_layout.text_size; in find_kallsyms_symbol()
4302 nextval = (unsigned long)mod->core_layout.base+mod->core_layout.text_size; in find_kallsyms_symbol()
4341 void * __weak dereference_module_function_descriptor(struct module *mod, in dereference_module_function_descriptor() argument
4356 struct module *mod; in module_address_lookup() local
4359 mod = __module_address(addr); in module_address_lookup()
4360 if (mod) { in module_address_lookup()
4362 *modname = mod->name; in module_address_lookup()
4364 ret = find_kallsyms_symbol(mod, addr, size, offset); in module_address_lookup()
4378 struct module *mod; in lookup_module_symbol_name() local
4381 list_for_each_entry_rcu(mod, &modules, list) { in lookup_module_symbol_name()
4382 if (mod->state == MODULE_STATE_UNFORMED) in lookup_module_symbol_name()
4384 if (within_module(addr, mod)) { in lookup_module_symbol_name()
4387 sym = find_kallsyms_symbol(mod, addr, NULL, NULL); in lookup_module_symbol_name()
4404 struct module *mod; in lookup_module_symbol_attrs() local
4407 list_for_each_entry_rcu(mod, &modules, list) { in lookup_module_symbol_attrs()
4408 if (mod->state == MODULE_STATE_UNFORMED) in lookup_module_symbol_attrs()
4410 if (within_module(addr, mod)) { in lookup_module_symbol_attrs()
4413 sym = find_kallsyms_symbol(mod, addr, size, offset); in lookup_module_symbol_attrs()
4417 strlcpy(modname, mod->name, MODULE_NAME_LEN); in lookup_module_symbol_attrs()
4432 struct module *mod; in module_get_kallsym() local
4435 list_for_each_entry_rcu(mod, &modules, list) { in module_get_kallsym()
4438 if (mod->state == MODULE_STATE_UNFORMED) in module_get_kallsym()
4440 kallsyms = rcu_dereference_sched(mod->kallsyms); in module_get_kallsym()
4447 strlcpy(module_name, mod->name, MODULE_NAME_LEN); in module_get_kallsym()
4448 *exported = is_exported(name, *value, mod); in module_get_kallsym()
4459 static unsigned long find_kallsyms_symbol_value(struct module *mod, const char *name) in find_kallsyms_symbol_value() argument
4462 struct mod_kallsyms *kallsyms = rcu_dereference_sched(mod->kallsyms); in find_kallsyms_symbol_value()
4477 struct module *mod; in module_kallsyms_lookup_name() local
4484 if ((mod = find_module_all(name, colon - name, false)) != NULL) in module_kallsyms_lookup_name()
4485 ret = find_kallsyms_symbol_value(mod, colon+1); in module_kallsyms_lookup_name()
4487 list_for_each_entry_rcu(mod, &modules, list) { in module_kallsyms_lookup_name()
4488 if (mod->state == MODULE_STATE_UNFORMED) in module_kallsyms_lookup_name()
4490 if ((ret = find_kallsyms_symbol_value(mod, name)) != 0) in module_kallsyms_lookup_name()
4502 struct module *mod; in module_kallsyms_on_each_symbol() local
4508 list_for_each_entry(mod, &modules, list) { in module_kallsyms_on_each_symbol()
4510 struct mod_kallsyms *kallsyms = mod->kallsyms; in module_kallsyms_on_each_symbol()
4512 if (mod->state == MODULE_STATE_UNFORMED) in module_kallsyms_on_each_symbol()
4521 mod, kallsyms_symbol_value(sym)); in module_kallsyms_on_each_symbol()
4530 static void cfi_init(struct module *mod) in cfi_init() argument
4537 mod->cfi_check = (cfi_check_fn) in cfi_init()
4538 find_kallsyms_symbol_value(mod, "__cfi_check"); in cfi_init()
4540 find_kallsyms_symbol_value(mod, "__cfi_jt_init_module"); in cfi_init()
4542 find_kallsyms_symbol_value(mod, "__cfi_jt_cleanup_module"); in cfi_init()
4546 if (init) mod->init = *init; in cfi_init()
4547 if (exit) mod->exit = *exit; in cfi_init()
4549 cfi_module_add(mod, module_addr_min); in cfi_init()
4553 static void cfi_cleanup(struct module *mod) in cfi_cleanup() argument
4556 cfi_module_remove(mod, module_addr_min); in cfi_cleanup()
4564 static char *module_flags(struct module *mod, char *buf) in module_flags() argument
4568 BUG_ON(mod->state == MODULE_STATE_UNFORMED); in module_flags()
4569 if (mod->taints || in module_flags()
4570 mod->state == MODULE_STATE_GOING || in module_flags()
4571 mod->state == MODULE_STATE_COMING) { in module_flags()
4573 bx += module_flags_taint(mod, buf + bx); in module_flags()
4575 if (mod->state == MODULE_STATE_GOING) in module_flags()
4578 if (mod->state == MODULE_STATE_COMING) in module_flags()
4607 struct module *mod = list_entry(p, struct module, list); in m_show() local
4612 if (mod->state == MODULE_STATE_UNFORMED) in m_show()
4616 mod->name, mod->init_layout.size + mod->core_layout.size); in m_show()
4617 print_unload_info(m, mod); in m_show()
4621 mod->state == MODULE_STATE_GOING ? "Unloading" : in m_show()
4622 mod->state == MODULE_STATE_COMING ? "Loading" : in m_show()
4625 value = m->private ? NULL : mod->core_layout.base; in m_show()
4629 if (mod->taints) in m_show()
4630 seq_printf(m, " %s", module_flags(mod, buf)); in m_show()
4687 struct module *mod; in search_module_extables() local
4690 mod = __module_address(addr); in search_module_extables()
4691 if (!mod) in search_module_extables()
4694 if (!mod->num_exentries) in search_module_extables()
4697 e = search_extable(mod->extable, in search_module_extables()
4698 mod->num_exentries, in search_module_extables()
4737 struct module *mod; in __module_address() local
4744 mod = mod_find(addr); in __module_address()
4745 if (mod) { in __module_address()
4746 BUG_ON(!within_module(addr, mod)); in __module_address()
4747 if (mod->state == MODULE_STATE_UNFORMED) in __module_address()
4748 mod = NULL; in __module_address()
4750 return mod; in __module_address()
4781 struct module *mod = __module_address(addr); in __module_text_address() local
4782 if (mod) { in __module_text_address()
4784 if (!within(addr, mod->init_layout.base, mod->init_layout.text_size) in __module_text_address()
4785 && !within(addr, mod->core_layout.base, mod->core_layout.text_size)) in __module_text_address()
4786 mod = NULL; in __module_text_address()
4788 return mod; in __module_text_address()
4794 struct module *mod; in print_modules() local
4800 list_for_each_entry_rcu(mod, &modules, list) { in print_modules()
4801 if (mod->state == MODULE_STATE_UNFORMED) in print_modules()
4803 pr_cont(" %s%s", mod->name, module_flags(mod, buf)); in print_modules()
4831 void module_layout(struct module *mod, in module_layout() argument