Lines Matching refs:mod
112 static void mod_update_bounds(struct module *mod) in mod_update_bounds() argument
114 __mod_update_bounds(mod->core_layout.base, mod->core_layout.size, &mod_tree); in mod_update_bounds()
115 if (mod->init_layout.size) in mod_update_bounds()
116 __mod_update_bounds(mod->init_layout.base, mod->init_layout.size, &mod_tree); in mod_update_bounds()
118 __mod_update_bounds(mod->data_layout.base, mod->data_layout.size, &mod_data_tree); in mod_update_bounds()
148 static inline int strong_try_module_get(struct module *mod) in strong_try_module_get() argument
150 BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED); in strong_try_module_get()
151 if (mod && mod->state == MODULE_STATE_COMING) in strong_try_module_get()
153 if (try_module_get(mod)) in strong_try_module_get()
159 static inline void add_taint_module(struct module *mod, unsigned flag, in add_taint_module() argument
163 set_bit(flag, &mod->taints); in add_taint_module()
170 void __noreturn __module_put_and_kthread_exit(struct module *mod, long code) in __module_put_and_kthread_exit() argument
172 module_put(mod); in __module_put_and_kthread_exit()
307 struct module *mod; in find_symbol() local
316 list_for_each_entry_rcu(mod, &modules, list, in find_symbol()
319 { mod->syms, mod->syms + mod->num_syms, mod->crcs, in find_symbol()
321 { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms, in find_symbol()
322 mod->gpl_crcs, in find_symbol()
326 if (mod->state == MODULE_STATE_UNFORMED) in find_symbol()
330 if (find_exported_symbol_in_section(&arr[i], mod, fsa)) in find_symbol()
345 struct module *mod; in find_module_all() local
349 list_for_each_entry_rcu(mod, &modules, list, in find_module_all()
351 if (!even_unformed && mod->state == MODULE_STATE_UNFORMED) in find_module_all()
353 if (strlen(mod->name) == len && !memcmp(mod->name, name, len)) in find_module_all()
354 return mod; in find_module_all()
366 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
368 return mod->percpu; in mod_percpu()
371 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
381 mod->name, align, PAGE_SIZE); in percpu_modalloc()
385 mod->percpu = __alloc_reserved_percpu(pcpusec->sh_size, align); in percpu_modalloc()
386 if (!mod->percpu) { in percpu_modalloc()
388 mod->name, (unsigned long)pcpusec->sh_size); in percpu_modalloc()
391 mod->percpu_size = pcpusec->sh_size; in percpu_modalloc()
395 static void percpu_modfree(struct module *mod) in percpu_modfree() argument
397 free_percpu(mod->percpu); in percpu_modfree()
405 static void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
411 memcpy(per_cpu_ptr(mod->percpu, cpu), from, size); in percpu_modcopy()
416 struct module *mod; in __is_module_percpu_address() local
421 list_for_each_entry_rcu(mod, &modules, list) { in __is_module_percpu_address()
422 if (mod->state == MODULE_STATE_UNFORMED) in __is_module_percpu_address()
424 if (!mod->percpu_size) in __is_module_percpu_address()
427 void *start = per_cpu_ptr(mod->percpu, cpu); in __is_module_percpu_address()
430 if (va >= start && va < start + mod->percpu_size) { in __is_module_percpu_address()
434 per_cpu_ptr(mod->percpu, in __is_module_percpu_address()
462 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
466 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
473 static inline void percpu_modfree(struct module *mod) in percpu_modfree() argument
480 static inline void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
499 static void setup_modinfo_##field(struct module *mod, const char *s) \
501 mod->field = kstrdup(s, GFP_KERNEL); \
506 return scnprintf(buffer, PAGE_SIZE, "%s\n", mk->mod->field); \
508 static int modinfo_##field##_exists(struct module *mod) \
510 return mod->field != NULL; \
512 static void free_modinfo_##field(struct module *mod) \
514 kfree(mod->field); \
515 mod->field = NULL; \
541 static int module_unload_init(struct module *mod) in module_unload_init() argument
547 atomic_set(&mod->refcnt, MODULE_REF_BASE); in module_unload_init()
549 INIT_LIST_HEAD(&mod->source_list); in module_unload_init()
550 INIT_LIST_HEAD(&mod->target_list); in module_unload_init()
553 atomic_inc(&mod->refcnt); in module_unload_init()
618 static void module_unload_free(struct module *mod) in module_unload_free() argument
623 list_for_each_entry_safe(use, tmp, &mod->target_list, target_list) { in module_unload_free()
625 pr_debug("%s unusing %s\n", mod->name, i->name); in module_unload_free()
650 static int try_release_module_ref(struct module *mod) in try_release_module_ref() argument
655 ret = atomic_sub_return(MODULE_REF_BASE, &mod->refcnt); in try_release_module_ref()
659 ret = atomic_add_unless(&mod->refcnt, MODULE_REF_BASE, 0); in try_release_module_ref()
664 static int try_stop_module(struct module *mod, int flags, int *forced) in try_stop_module() argument
667 if (try_release_module_ref(mod) != 0) { in try_stop_module()
674 mod->state = MODULE_STATE_GOING; in try_stop_module()
687 int module_refcount(struct module *mod) in module_refcount() argument
689 return atomic_read(&mod->refcnt) - MODULE_REF_BASE; in module_refcount()
694 static void free_module(struct module *mod);
699 struct module *mod; in SYSCALL_DEFINE2() local
716 mod = find_module(name); in SYSCALL_DEFINE2()
717 if (!mod) { in SYSCALL_DEFINE2()
722 if (!list_empty(&mod->source_list)) { in SYSCALL_DEFINE2()
729 if (mod->state != MODULE_STATE_LIVE) { in SYSCALL_DEFINE2()
731 pr_debug("%s already dying\n", mod->name); in SYSCALL_DEFINE2()
737 if (mod->init && !mod->exit) { in SYSCALL_DEFINE2()
746 ret = try_stop_module(mod, flags, &forced); in SYSCALL_DEFINE2()
752 if (mod->exit != NULL) in SYSCALL_DEFINE2()
753 mod->exit(); in SYSCALL_DEFINE2()
755 MODULE_STATE_GOING, mod); in SYSCALL_DEFINE2()
756 klp_module_going(mod); in SYSCALL_DEFINE2()
757 ftrace_release_mod(mod); in SYSCALL_DEFINE2()
762 strscpy(last_unloaded_module.name, mod->name, sizeof(last_unloaded_module.name)); in SYSCALL_DEFINE2()
763 …strscpy(last_unloaded_module.taints, module_flags(mod, buf, false), sizeof(last_unloaded_module.ta… in SYSCALL_DEFINE2()
765 free_module(mod); in SYSCALL_DEFINE2()
812 return sprintf(buffer, "%i\n", module_refcount(mk->mod)); in show_refcnt()
863 static inline void module_unload_free(struct module *mod) in module_unload_free() argument
872 static inline int module_unload_init(struct module *mod) in module_unload_init() argument
896 switch (mk->mod->state) { in show_initstate()
931 return sprintf(buffer, "%u\n", mk->mod->core_layout.size); in show_coresize()
941 return sprintf(buffer, "%u\n", mk->mod->data_layout.size); in show_datasize()
951 return sprintf(buffer, "%u\n", mk->mod->init_layout.size); in show_initsize()
962 l = module_flags_taint(mk->mod->taints, buffer); in show_taint()
991 int try_to_force_load(struct module *mod, const char *reason) in try_to_force_load() argument
995 pr_warn("%s: %s: kernel tainted.\n", mod->name, reason); in try_to_force_load()
996 add_taint_module(mod, TAINT_FORCED_MODULE, LOCKDEP_NOW_UNRELIABLE); in try_to_force_load()
1009 struct module *mod) in verify_namespace_is_imported() argument
1029 mod->name, kernel_symbol_name(sym), namespace); in verify_namespace_is_imported()
1037 static bool inherit_taint(struct module *mod, struct module *owner, const char *name) in inherit_taint() argument
1042 if (mod->using_gplonly_symbols) { in inherit_taint()
1044 mod->name, name, owner->name); in inherit_taint()
1048 if (!test_bit(TAINT_PROPRIETARY_MODULE, &mod->taints)) { in inherit_taint()
1050 mod->name, name, owner->name); in inherit_taint()
1051 set_bit(TAINT_PROPRIETARY_MODULE, &mod->taints); in inherit_taint()
1057 static const struct kernel_symbol *resolve_symbol(struct module *mod, in resolve_symbol() argument
1064 .gplok = !(mod->taints & (1 << TAINT_PROPRIETARY_MODULE)), in resolve_symbol()
1080 mod->using_gplonly_symbols = true; in resolve_symbol()
1082 if (!inherit_taint(mod, fsa.owner, name)) { in resolve_symbol()
1087 if (!check_version(info, name, mod, fsa.crc)) { in resolve_symbol()
1092 err = verify_namespace_is_imported(info, fsa.sym, mod); in resolve_symbol()
1098 err = ref_module(mod, fsa.owner); in resolve_symbol()
1113 resolve_symbol_wait(struct module *mod, in resolve_symbol_wait() argument
1121 !IS_ERR(ksym = resolve_symbol(mod, info, name, owner)) in resolve_symbol_wait()
1125 mod->name, owner); in resolve_symbol_wait()
1140 void __weak module_arch_cleanup(struct module *mod) in module_arch_cleanup() argument
1144 void __weak module_arch_freeing_init(struct module *mod) in module_arch_freeing_init() argument
1149 static void free_module(struct module *mod) in free_module() argument
1151 trace_module_free(mod); in free_module()
1153 mod_sysfs_teardown(mod); in free_module()
1160 mod->state = MODULE_STATE_UNFORMED; in free_module()
1164 ddebug_remove_module(mod->name); in free_module()
1167 module_arch_cleanup(mod); in free_module()
1170 module_unload_free(mod); in free_module()
1173 destroy_params(mod->kp, mod->num_kp); in free_module()
1175 if (is_livepatch_module(mod)) in free_module()
1176 free_module_elf(mod); in free_module()
1181 list_del_rcu(&mod->list); in free_module()
1182 mod_tree_remove(mod); in free_module()
1184 module_bug_cleanup(mod); in free_module()
1187 if (try_add_tainted_module(mod)) in free_module()
1189 mod->name); in free_module()
1193 module_arch_freeing_init(mod); in free_module()
1194 module_memfree(mod->init_layout.base); in free_module()
1195 kfree(mod->args); in free_module()
1196 percpu_modfree(mod); in free_module()
1199 lockdep_free_key_range(mod->data_layout.base, mod->data_layout.size); in free_module()
1202 module_memfree(mod->core_layout.base); in free_module()
1204 vfree(mod->data_layout.base); in free_module()
1232 static int verify_exported_symbols(struct module *mod) in verify_exported_symbols() argument
1240 { mod->syms, mod->num_syms }, in verify_exported_symbols()
1241 { mod->gpl_syms, mod->num_gpl_syms }, in verify_exported_symbols()
1253 mod->name, kernel_symbol_name(s), in verify_exported_symbols()
1278 static int simplify_symbols(struct module *mod, const struct load_info *info) in simplify_symbols() argument
1302 mod->name); in simplify_symbols()
1317 ksym = resolve_symbol_wait(mod, info, name); in simplify_symbols()
1332 mod->name, name, ret); in simplify_symbols()
1338 secbase = (unsigned long)mod_percpu(mod); in simplify_symbols()
1349 static int apply_relocations(struct module *mod, const struct load_info *info) in apply_relocations() argument
1367 err = klp_apply_section_relocs(mod, info->sechdrs, in apply_relocations()
1374 info->index.sym, i, mod); in apply_relocations()
1377 info->index.sym, i, mod); in apply_relocations()
1385 unsigned int __weak arch_mod_section_prepend(struct module *mod, in arch_mod_section_prepend() argument
1393 long module_get_offset(struct module *mod, unsigned int *size, in module_get_offset() argument
1398 *size += arch_mod_section_prepend(mod, section); in module_get_offset()
1419 static void layout_sections(struct module *mod, struct load_info *info) in layout_sections() argument
1450 sizep = m ? &mod->data_layout.size : &mod->core_layout.size; in layout_sections()
1451 s->sh_entsize = module_get_offset(mod, sizep, s, i); in layout_sections()
1456 mod->core_layout.size = strict_align(mod->core_layout.size); in layout_sections()
1457 mod->core_layout.text_size = mod->core_layout.size; in layout_sections()
1460 mod->data_layout.size = strict_align(mod->data_layout.size); in layout_sections()
1461 mod->data_layout.ro_size = mod->data_layout.size; in layout_sections()
1464 mod->data_layout.size = strict_align(mod->data_layout.size); in layout_sections()
1465 mod->data_layout.ro_after_init_size = mod->data_layout.size; in layout_sections()
1468 mod->data_layout.size = strict_align(mod->data_layout.size); in layout_sections()
1484 s->sh_entsize = (module_get_offset(mod, &mod->init_layout.size, s, i) in layout_sections()
1490 mod->init_layout.size = strict_align(mod->init_layout.size); in layout_sections()
1491 mod->init_layout.text_size = mod->init_layout.size; in layout_sections()
1494 mod->init_layout.size = strict_align(mod->init_layout.size); in layout_sections()
1495 mod->init_layout.ro_size = mod->init_layout.size; in layout_sections()
1502 mod->init_layout.ro_after_init_size = mod->init_layout.ro_size; in layout_sections()
1505 mod->init_layout.size = strict_align(mod->init_layout.size); in layout_sections()
1511 static void set_license(struct module *mod, const char *license) in set_license() argument
1519 mod->name, license); in set_license()
1520 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in set_license()
1575 static void setup_modinfo(struct module *mod, struct load_info *info) in setup_modinfo() argument
1582 attr->setup(mod, get_modinfo(info, attr->attr.name)); in setup_modinfo()
1586 static void free_modinfo(struct module *mod) in free_modinfo() argument
1593 attr->free(mod); in free_modinfo()
1597 static void dynamic_debug_setup(struct module *mod, struct _ddebug_info *dyndbg) in dynamic_debug_setup() argument
1601 ddebug_add_module(dyndbg, mod->name); in dynamic_debug_setup()
1604 static void dynamic_debug_remove(struct module *mod, struct _ddebug_info *dyndbg) in dynamic_debug_remove() argument
1607 ddebug_remove_module(mod->name); in dynamic_debug_remove()
1798 static int check_modinfo_livepatch(struct module *mod, struct load_info *info) in check_modinfo_livepatch() argument
1804 if (set_livepatch_module(mod)) { in check_modinfo_livepatch()
1805 add_taint_module(mod, TAINT_LIVEPATCH, LOCKDEP_STILL_OK); in check_modinfo_livepatch()
1807 mod->name); in check_modinfo_livepatch()
1812 mod->name); in check_modinfo_livepatch()
1816 static void check_modinfo_retpoline(struct module *mod, struct load_info *info) in check_modinfo_retpoline() argument
1822 mod->name); in check_modinfo_retpoline()
1925 info->index.mod = find_sec(info, ".gnu.linkonce.this_module"); in setup_load_info()
1926 if (!info->index.mod) { in setup_load_info()
1932 info->mod = (void *)info->hdr + info->sechdrs[info->index.mod].sh_offset; in setup_load_info()
1939 info->name = info->mod->name; in setup_load_info()
1951 static int check_modinfo(struct module *mod, struct load_info *info, int flags) in check_modinfo() argument
1961 err = try_to_force_load(mod, "bad vermagic"); in check_modinfo()
1973 mod->name); in check_modinfo()
1974 add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK); in check_modinfo()
1977 check_modinfo_retpoline(mod, info); in check_modinfo()
1980 add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK); in check_modinfo()
1982 "is unknown, you have been warned.\n", mod->name); in check_modinfo()
1985 err = check_modinfo_livepatch(mod, info); in check_modinfo()
1990 set_license(mod, get_modinfo(info, "license")); in check_modinfo()
1995 mod->name); in check_modinfo()
1996 add_taint_module(mod, TAINT_TEST, LOCKDEP_STILL_OK); in check_modinfo()
2002 static int find_module_sections(struct module *mod, struct load_info *info) in find_module_sections() argument
2004 mod->kp = section_objs(info, "__param", in find_module_sections()
2005 sizeof(*mod->kp), &mod->num_kp); in find_module_sections()
2006 mod->syms = section_objs(info, "__ksymtab", in find_module_sections()
2007 sizeof(*mod->syms), &mod->num_syms); in find_module_sections()
2008 mod->crcs = section_addr(info, "__kcrctab"); in find_module_sections()
2009 mod->gpl_syms = section_objs(info, "__ksymtab_gpl", in find_module_sections()
2010 sizeof(*mod->gpl_syms), in find_module_sections()
2011 &mod->num_gpl_syms); in find_module_sections()
2012 mod->gpl_crcs = section_addr(info, "__kcrctab_gpl"); in find_module_sections()
2015 mod->ctors = section_objs(info, ".ctors", in find_module_sections()
2016 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
2017 if (!mod->ctors) in find_module_sections()
2018 mod->ctors = section_objs(info, ".init_array", in find_module_sections()
2019 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
2026 mod->name); in find_module_sections()
2031 mod->noinstr_text_start = section_objs(info, ".noinstr.text", 1, in find_module_sections()
2032 &mod->noinstr_text_size); in find_module_sections()
2035 mod->tracepoints_ptrs = section_objs(info, "__tracepoints_ptrs", in find_module_sections()
2036 sizeof(*mod->tracepoints_ptrs), in find_module_sections()
2037 &mod->num_tracepoints); in find_module_sections()
2040 mod->srcu_struct_ptrs = section_objs(info, "___srcu_struct_ptrs", in find_module_sections()
2041 sizeof(*mod->srcu_struct_ptrs), in find_module_sections()
2042 &mod->num_srcu_structs); in find_module_sections()
2045 mod->bpf_raw_events = section_objs(info, "__bpf_raw_tp_map", in find_module_sections()
2046 sizeof(*mod->bpf_raw_events), in find_module_sections()
2047 &mod->num_bpf_raw_events); in find_module_sections()
2050 mod->btf_data = any_section_objs(info, ".BTF", 1, &mod->btf_data_size); in find_module_sections()
2053 mod->jump_entries = section_objs(info, "__jump_table", in find_module_sections()
2054 sizeof(*mod->jump_entries), in find_module_sections()
2055 &mod->num_jump_entries); in find_module_sections()
2058 mod->trace_events = section_objs(info, "_ftrace_events", in find_module_sections()
2059 sizeof(*mod->trace_events), in find_module_sections()
2060 &mod->num_trace_events); in find_module_sections()
2061 mod->trace_evals = section_objs(info, "_ftrace_eval_map", in find_module_sections()
2062 sizeof(*mod->trace_evals), in find_module_sections()
2063 &mod->num_trace_evals); in find_module_sections()
2066 mod->trace_bprintk_fmt_start = section_objs(info, "__trace_printk_fmt", in find_module_sections()
2067 sizeof(*mod->trace_bprintk_fmt_start), in find_module_sections()
2068 &mod->num_trace_bprintk_fmt); in find_module_sections()
2072 mod->ftrace_callsites = section_objs(info, FTRACE_CALLSITE_SECTION, in find_module_sections()
2073 sizeof(*mod->ftrace_callsites), in find_module_sections()
2074 &mod->num_ftrace_callsites); in find_module_sections()
2077 mod->ei_funcs = section_objs(info, "_error_injection_whitelist", in find_module_sections()
2078 sizeof(*mod->ei_funcs), in find_module_sections()
2079 &mod->num_ei_funcs); in find_module_sections()
2082 mod->kprobes_text_start = section_objs(info, ".kprobes.text", 1, in find_module_sections()
2083 &mod->kprobes_text_size); in find_module_sections()
2084 mod->kprobe_blacklist = section_objs(info, "_kprobe_blacklist", in find_module_sections()
2086 &mod->num_kprobe_blacklist); in find_module_sections()
2089 mod->printk_index_start = section_objs(info, ".printk_index", in find_module_sections()
2090 sizeof(*mod->printk_index_start), in find_module_sections()
2091 &mod->printk_index_size); in find_module_sections()
2094 mod->static_call_sites = section_objs(info, ".static_call_sites", in find_module_sections()
2095 sizeof(*mod->static_call_sites), in find_module_sections()
2096 &mod->num_static_call_sites); in find_module_sections()
2099 mod->kunit_suites = section_objs(info, ".kunit_test_suites", in find_module_sections()
2100 sizeof(*mod->kunit_suites), in find_module_sections()
2101 &mod->num_kunit_suites); in find_module_sections()
2104 mod->extable = section_objs(info, "__ex_table", in find_module_sections()
2105 sizeof(*mod->extable), &mod->num_exentries); in find_module_sections()
2108 pr_warn("%s: Ignoring obsolete parameters\n", mod->name); in find_module_sections()
2118 static int move_module(struct module *mod, struct load_info *info) in move_module() argument
2124 ptr = module_alloc(mod->core_layout.size); in move_module()
2134 memset(ptr, 0, mod->core_layout.size); in move_module()
2135 mod->core_layout.base = ptr; in move_module()
2137 if (mod->init_layout.size) { in move_module()
2138 ptr = module_alloc(mod->init_layout.size); in move_module()
2147 module_memfree(mod->core_layout.base); in move_module()
2150 memset(ptr, 0, mod->init_layout.size); in move_module()
2151 mod->init_layout.base = ptr; in move_module()
2153 mod->init_layout.base = NULL; in move_module()
2157 ptr = vzalloc(mod->data_layout.size); in move_module()
2165 module_memfree(mod->core_layout.base); in move_module()
2166 module_memfree(mod->init_layout.base); in move_module()
2170 mod->data_layout.base = ptr; in move_module()
2182 dest = mod->init_layout.base in move_module()
2185 dest = mod->data_layout.base + shdr->sh_entsize; in move_module()
2187 dest = mod->core_layout.base + shdr->sh_entsize; in move_module()
2200 static int check_module_license_and_versions(struct module *mod) in check_module_license_and_versions() argument
2209 if (strcmp(mod->name, "ndiswrapper") == 0) in check_module_license_and_versions()
2213 if (strcmp(mod->name, "driverloader") == 0) in check_module_license_and_versions()
2214 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in check_module_license_and_versions()
2218 if (strcmp(mod->name, "lve") == 0) in check_module_license_and_versions()
2219 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in check_module_license_and_versions()
2223 pr_warn("%s: module license taints kernel.\n", mod->name); in check_module_license_and_versions()
2226 if ((mod->num_syms && !mod->crcs) || in check_module_license_and_versions()
2227 (mod->num_gpl_syms && !mod->gpl_crcs)) { in check_module_license_and_versions()
2228 return try_to_force_load(mod, in check_module_license_and_versions()
2235 static void flush_module_icache(const struct module *mod) in flush_module_icache() argument
2242 if (mod->init_layout.base) in flush_module_icache()
2243 flush_icache_range((unsigned long)mod->init_layout.base, in flush_module_icache()
2244 (unsigned long)mod->init_layout.base in flush_module_icache()
2245 + mod->init_layout.size); in flush_module_icache()
2246 flush_icache_range((unsigned long)mod->core_layout.base, in flush_module_icache()
2247 (unsigned long)mod->core_layout.base + mod->core_layout.size); in flush_module_icache()
2253 struct module *mod) in module_frob_arch_sections() argument
2281 struct module *mod; in layout_and_allocate() local
2285 err = check_modinfo(info->mod, info, flags); in layout_and_allocate()
2291 info->secstrings, info->mod); in layout_and_allocate()
2296 info->secstrings, info->mod); in layout_and_allocate()
2326 layout_sections(info->mod, info); in layout_and_allocate()
2327 layout_symtab(info->mod, info); in layout_and_allocate()
2330 err = move_module(info->mod, info); in layout_and_allocate()
2335 mod = (void *)info->sechdrs[info->index.mod].sh_addr; in layout_and_allocate()
2336 kmemleak_load_module(mod, info); in layout_and_allocate()
2337 return mod; in layout_and_allocate()
2341 static void module_deallocate(struct module *mod, struct load_info *info) in module_deallocate() argument
2343 percpu_modfree(mod); in module_deallocate()
2344 module_arch_freeing_init(mod); in module_deallocate()
2345 module_memfree(mod->init_layout.base); in module_deallocate()
2346 module_memfree(mod->core_layout.base); in module_deallocate()
2348 vfree(mod->data_layout.base); in module_deallocate()
2359 static int post_relocation(struct module *mod, const struct load_info *info) in post_relocation() argument
2362 sort_extable(mod->extable, mod->extable + mod->num_exentries); in post_relocation()
2365 percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr, in post_relocation()
2369 add_kallsyms(mod, info); in post_relocation()
2372 return module_finalize(info->hdr, info->sechdrs, mod); in post_relocation()
2378 struct module *mod; in finished_loading() local
2388 mod = find_module_all(name, strlen(name), true); in finished_loading()
2389 ret = !mod || mod->state == MODULE_STATE_LIVE; in finished_loading()
2396 static void do_mod_ctors(struct module *mod) in do_mod_ctors() argument
2401 for (i = 0; i < mod->num_ctors; i++) in do_mod_ctors()
2402 mod->ctors[i](); in do_mod_ctors()
2440 static noinline int do_init_module(struct module *mod) in do_init_module() argument
2450 freeinit->module_init = mod->init_layout.base; in do_init_module()
2452 do_mod_ctors(mod); in do_init_module()
2454 if (mod->init != NULL) in do_init_module()
2455 ret = do_one_initcall(mod->init); in do_init_module()
2463 __func__, mod->name, ret, __func__); in do_init_module()
2468 mod->state = MODULE_STATE_LIVE; in do_init_module()
2470 MODULE_STATE_LIVE, mod); in do_init_module()
2473 kobject_uevent(&mod->mkobj.kobj, KOBJ_ADD); in do_init_module()
2483 if (!mod->async_probe_requested) in do_init_module()
2486 ftrace_free_mem(mod, mod->init_layout.base, mod->init_layout.base + in do_init_module()
2487 mod->init_layout.size); in do_init_module()
2490 module_put(mod); in do_init_module()
2491 trim_init_extable(mod); in do_init_module()
2494 rcu_assign_pointer(mod->kallsyms, &mod->core_kallsyms); in do_init_module()
2496 module_enable_ro(mod, true); in do_init_module()
2497 mod_tree_remove_init(mod); in do_init_module()
2498 module_arch_freeing_init(mod); in do_init_module()
2499 mod->init_layout.base = NULL; in do_init_module()
2500 mod->init_layout.size = 0; in do_init_module()
2501 mod->init_layout.ro_size = 0; in do_init_module()
2502 mod->init_layout.ro_after_init_size = 0; in do_init_module()
2503 mod->init_layout.text_size = 0; in do_init_module()
2506 mod->btf_data = NULL; in do_init_module()
2533 mod->state = MODULE_STATE_GOING; in do_init_module()
2535 module_put(mod); in do_init_module()
2537 MODULE_STATE_GOING, mod); in do_init_module()
2538 klp_module_going(mod); in do_init_module()
2539 ftrace_release_mod(mod); in do_init_module()
2540 free_module(mod); in do_init_module()
2558 static int add_unformed_module(struct module *mod) in add_unformed_module() argument
2563 mod->state = MODULE_STATE_UNFORMED; in add_unformed_module()
2567 old = find_module_all(mod->name, strlen(mod->name), true); in add_unformed_module()
2573 finished_loading(mod->name)); in add_unformed_module()
2581 mod_update_bounds(mod); in add_unformed_module()
2582 list_add_rcu(&mod->list, &modules); in add_unformed_module()
2583 mod_tree_insert(mod); in add_unformed_module()
2592 static int complete_formation(struct module *mod, struct load_info *info) in complete_formation() argument
2599 err = verify_exported_symbols(mod); in complete_formation()
2604 module_bug_finalize(info->hdr, info->sechdrs, mod); in complete_formation()
2605 module_cfi_finalize(info->hdr, info->sechdrs, mod); in complete_formation()
2607 if (module_check_misalignment(mod)) in complete_formation()
2610 module_enable_ro(mod, false); in complete_formation()
2611 module_enable_nx(mod); in complete_formation()
2612 module_enable_x(mod); in complete_formation()
2618 mod->state = MODULE_STATE_COMING; in complete_formation()
2630 static int prepare_coming_module(struct module *mod) in prepare_coming_module() argument
2634 ftrace_module_enable(mod); in prepare_coming_module()
2635 err = klp_module_coming(mod); in prepare_coming_module()
2640 MODULE_STATE_COMING, MODULE_STATE_GOING, mod); in prepare_coming_module()
2643 klp_module_going(mod); in prepare_coming_module()
2651 struct module *mod = arg; in unknown_module_param_cb() local
2655 if (strtobool(val, &mod->async_probe_requested)) in unknown_module_param_cb()
2656 mod->async_probe_requested = true; in unknown_module_param_cb()
2674 struct module *mod; in load_module() local
2725 if (!check_modstruct_version(info, info->mod)) { in load_module()
2731 mod = layout_and_allocate(info, flags); in load_module()
2732 if (IS_ERR(mod)) { in load_module()
2733 err = PTR_ERR(mod); in load_module()
2737 audit_log_kern_module(mod->name); in load_module()
2740 err = add_unformed_module(mod); in load_module()
2745 mod->sig_ok = info->sig_ok; in load_module()
2746 if (!mod->sig_ok) { in load_module()
2749 "kernel\n", mod->name); in load_module()
2750 add_taint_module(mod, TAINT_UNSIGNED_MODULE, LOCKDEP_STILL_OK); in load_module()
2755 err = percpu_modalloc(mod, info); in load_module()
2760 err = module_unload_init(mod); in load_module()
2764 init_param_lock(mod); in load_module()
2770 err = find_module_sections(mod, info); in load_module()
2774 err = check_module_license_and_versions(mod); in load_module()
2779 setup_modinfo(mod, info); in load_module()
2782 err = simplify_symbols(mod, info); in load_module()
2786 err = apply_relocations(mod, info); in load_module()
2790 err = post_relocation(mod, info); in load_module()
2794 flush_module_icache(mod); in load_module()
2797 mod->args = strndup_user(uargs, ~0UL >> 1); in load_module()
2798 if (IS_ERR(mod->args)) { in load_module()
2799 err = PTR_ERR(mod->args); in load_module()
2803 init_build_id(mod, info); in load_module()
2804 dynamic_debug_setup(mod, &info->dyndbg); in load_module()
2807 ftrace_module_init(mod); in load_module()
2810 err = complete_formation(mod, info); in load_module()
2814 err = prepare_coming_module(mod); in load_module()
2818 mod->async_probe_requested = async_probe; in load_module()
2821 after_dashes = parse_args(mod->name, mod->args, mod->kp, mod->num_kp, in load_module()
2822 -32768, 32767, mod, in load_module()
2829 mod->name, after_dashes); in load_module()
2833 err = mod_sysfs_setup(mod, info, mod->kp, mod->num_kp); in load_module()
2837 if (is_livepatch_module(mod)) { in load_module()
2838 err = copy_module_elf(mod, info); in load_module()
2847 trace_module_load(mod); in load_module()
2849 return do_init_module(mod); in load_module()
2852 mod_sysfs_teardown(mod); in load_module()
2854 mod->state = MODULE_STATE_GOING; in load_module()
2855 destroy_params(mod->kp, mod->num_kp); in load_module()
2857 MODULE_STATE_GOING, mod); in load_module()
2858 klp_module_going(mod); in load_module()
2860 mod->state = MODULE_STATE_GOING; in load_module()
2863 module_bug_cleanup(mod); in load_module()
2867 ftrace_release_mod(mod); in load_module()
2868 dynamic_debug_remove(mod, &info->dyndbg); in load_module()
2870 kfree(mod->args); in load_module()
2872 module_arch_cleanup(mod); in load_module()
2874 free_modinfo(mod); in load_module()
2876 module_unload_free(mod); in load_module()
2880 list_del_rcu(&mod->list); in load_module()
2881 mod_tree_remove(mod); in load_module()
2888 lockdep_free_key_range(mod->data_layout.base, mod->data_layout.size); in load_module()
2890 module_deallocate(mod, info); in load_module()
2958 char *module_flags(struct module *mod, char *buf, bool show_state) in module_flags() argument
2962 BUG_ON(mod->state == MODULE_STATE_UNFORMED); in module_flags()
2963 if (!mod->taints && !show_state) in module_flags()
2965 if (mod->taints || in module_flags()
2966 mod->state == MODULE_STATE_GOING || in module_flags()
2967 mod->state == MODULE_STATE_COMING) { in module_flags()
2969 bx += module_flags_taint(mod->taints, buf + bx); in module_flags()
2971 if (mod->state == MODULE_STATE_GOING && show_state) in module_flags()
2974 if (mod->state == MODULE_STATE_COMING && show_state) in module_flags()
2988 struct module *mod; in search_module_extables() local
2991 mod = __module_address(addr); in search_module_extables()
2992 if (!mod) in search_module_extables()
2995 if (!mod->num_exentries) in search_module_extables()
2998 e = search_extable(mod->extable, in search_module_extables()
2999 mod->num_exentries, in search_module_extables()
3038 struct module *mod; in __module_address() local
3052 mod = mod_find(addr, tree); in __module_address()
3053 if (mod) { in __module_address()
3054 BUG_ON(!within_module(addr, mod)); in __module_address()
3055 if (mod->state == MODULE_STATE_UNFORMED) in __module_address()
3056 mod = NULL; in __module_address()
3058 return mod; in __module_address()
3089 struct module *mod = __module_address(addr); in __module_text_address() local
3090 if (mod) { in __module_text_address()
3092 if (!within(addr, mod->init_layout.base, mod->init_layout.text_size) in __module_text_address()
3093 && !within(addr, mod->core_layout.base, mod->core_layout.text_size)) in __module_text_address()
3094 mod = NULL; in __module_text_address()
3096 return mod; in __module_text_address()
3102 struct module *mod; in print_modules() local
3108 list_for_each_entry_rcu(mod, &modules, list) { in print_modules()
3109 if (mod->state == MODULE_STATE_UNFORMED) in print_modules()
3111 pr_cont(" %s%s", mod->name, module_flags(mod, buf, true)); in print_modules()