Lines Matching refs:mod
118 static void mod_update_bounds(struct module *mod) in mod_update_bounds() argument
121 struct module_memory *mod_mem = &mod->mem[type]; in mod_update_bounds()
154 static inline int strong_try_module_get(struct module *mod) in strong_try_module_get() argument
156 BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED); in strong_try_module_get()
157 if (mod && mod->state == MODULE_STATE_COMING) in strong_try_module_get()
159 if (try_module_get(mod)) in strong_try_module_get()
165 static inline void add_taint_module(struct module *mod, unsigned flag, in add_taint_module() argument
169 set_bit(flag, &mod->taints); in add_taint_module()
176 void __noreturn __module_put_and_kthread_exit(struct module *mod, long code) in __module_put_and_kthread_exit() argument
178 module_put(mod); in __module_put_and_kthread_exit()
313 struct module *mod; in find_symbol() local
322 list_for_each_entry_rcu(mod, &modules, list, in find_symbol()
325 { mod->syms, mod->syms + mod->num_syms, mod->crcs, in find_symbol()
327 { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms, in find_symbol()
328 mod->gpl_crcs, in find_symbol()
332 if (mod->state == MODULE_STATE_UNFORMED) in find_symbol()
336 if (find_exported_symbol_in_section(&arr[i], mod, fsa)) in find_symbol()
351 struct module *mod; in find_module_all() local
355 list_for_each_entry_rcu(mod, &modules, list, in find_module_all()
357 if (!even_unformed && mod->state == MODULE_STATE_UNFORMED) in find_module_all()
359 if (strlen(mod->name) == len && !memcmp(mod->name, name, len)) in find_module_all()
360 return mod; in find_module_all()
372 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
374 return mod->percpu; in mod_percpu()
377 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
387 mod->name, align, PAGE_SIZE); in percpu_modalloc()
391 mod->percpu = __alloc_reserved_percpu(pcpusec->sh_size, align); in percpu_modalloc()
392 if (!mod->percpu) { in percpu_modalloc()
394 mod->name, (unsigned long)pcpusec->sh_size); in percpu_modalloc()
397 mod->percpu_size = pcpusec->sh_size; in percpu_modalloc()
401 static void percpu_modfree(struct module *mod) in percpu_modfree() argument
403 free_percpu(mod->percpu); in percpu_modfree()
411 static void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
417 memcpy(per_cpu_ptr(mod->percpu, cpu), from, size); in percpu_modcopy()
422 struct module *mod; in __is_module_percpu_address() local
427 list_for_each_entry_rcu(mod, &modules, list) { in __is_module_percpu_address()
428 if (mod->state == MODULE_STATE_UNFORMED) in __is_module_percpu_address()
430 if (!mod->percpu_size) in __is_module_percpu_address()
433 void *start = per_cpu_ptr(mod->percpu, cpu); in __is_module_percpu_address()
436 if (va >= start && va < start + mod->percpu_size) { in __is_module_percpu_address()
440 per_cpu_ptr(mod->percpu, in __is_module_percpu_address()
468 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
472 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
479 static inline void percpu_modfree(struct module *mod) in percpu_modfree() argument
486 static inline void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
505 static void setup_modinfo_##field(struct module *mod, const char *s) \
507 mod->field = kstrdup(s, GFP_KERNEL); \
512 return scnprintf(buffer, PAGE_SIZE, "%s\n", mk->mod->field); \
514 static int modinfo_##field##_exists(struct module *mod) \
516 return mod->field != NULL; \
518 static void free_modinfo_##field(struct module *mod) \
520 kfree(mod->field); \
521 mod->field = NULL; \
547 static int module_unload_init(struct module *mod) in module_unload_init() argument
553 atomic_set(&mod->refcnt, MODULE_REF_BASE); in module_unload_init()
555 INIT_LIST_HEAD(&mod->source_list); in module_unload_init()
556 INIT_LIST_HEAD(&mod->target_list); in module_unload_init()
559 atomic_inc(&mod->refcnt); in module_unload_init()
622 static void module_unload_free(struct module *mod) in module_unload_free() argument
627 list_for_each_entry_safe(use, tmp, &mod->target_list, target_list) { in module_unload_free()
629 pr_debug("%s unusing %s\n", mod->name, i->name); in module_unload_free()
654 static int try_release_module_ref(struct module *mod) in try_release_module_ref() argument
659 ret = atomic_sub_return(MODULE_REF_BASE, &mod->refcnt); in try_release_module_ref()
663 ret = atomic_add_unless(&mod->refcnt, MODULE_REF_BASE, 0); in try_release_module_ref()
668 static int try_stop_module(struct module *mod, int flags, int *forced) in try_stop_module() argument
671 if (try_release_module_ref(mod) != 0) { in try_stop_module()
678 mod->state = MODULE_STATE_GOING; in try_stop_module()
691 int module_refcount(struct module *mod) in module_refcount() argument
693 return atomic_read(&mod->refcnt) - MODULE_REF_BASE; in module_refcount()
698 static void free_module(struct module *mod);
703 struct module *mod; in SYSCALL_DEFINE2() local
720 mod = find_module(name); in SYSCALL_DEFINE2()
721 if (!mod) { in SYSCALL_DEFINE2()
726 if (!list_empty(&mod->source_list)) { in SYSCALL_DEFINE2()
733 if (mod->state != MODULE_STATE_LIVE) { in SYSCALL_DEFINE2()
735 pr_debug("%s already dying\n", mod->name); in SYSCALL_DEFINE2()
741 if (mod->init && !mod->exit) { in SYSCALL_DEFINE2()
750 ret = try_stop_module(mod, flags, &forced); in SYSCALL_DEFINE2()
756 if (mod->exit != NULL) in SYSCALL_DEFINE2()
757 mod->exit(); in SYSCALL_DEFINE2()
759 MODULE_STATE_GOING, mod); in SYSCALL_DEFINE2()
760 klp_module_going(mod); in SYSCALL_DEFINE2()
761 ftrace_release_mod(mod); in SYSCALL_DEFINE2()
766 strscpy(last_unloaded_module.name, mod->name, sizeof(last_unloaded_module.name)); in SYSCALL_DEFINE2()
767 …strscpy(last_unloaded_module.taints, module_flags(mod, buf, false), sizeof(last_unloaded_module.ta… in SYSCALL_DEFINE2()
769 free_module(mod); in SYSCALL_DEFINE2()
816 return sprintf(buffer, "%i\n", module_refcount(mk->mod)); in show_refcnt()
860 static inline void module_unload_free(struct module *mod) in module_unload_free() argument
869 static inline int module_unload_init(struct module *mod) in module_unload_init() argument
893 switch (mk->mod->state) { in show_initstate()
928 unsigned int size = mk->mod->mem[MOD_TEXT].size; in show_coresize()
932 size += mk->mod->mem[type].size; in show_coresize()
947 size += mk->mod->mem[type].size; in show_datasize()
961 size += mk->mod->mem[type].size; in show_initsize()
973 l = module_flags_taint(mk->mod->taints, buffer); in show_taint()
1002 int try_to_force_load(struct module *mod, const char *reason) in try_to_force_load() argument
1006 pr_warn("%s: %s: kernel tainted.\n", mod->name, reason); in try_to_force_load()
1007 add_taint_module(mod, TAINT_FORCED_MODULE, LOCKDEP_NOW_UNRELIABLE); in try_to_force_load()
1066 struct module *mod) in verify_namespace_is_imported() argument
1083 mod->name, kernel_symbol_name(sym), namespace); in verify_namespace_is_imported()
1091 static bool inherit_taint(struct module *mod, struct module *owner, const char *name) in inherit_taint() argument
1096 if (mod->using_gplonly_symbols) { in inherit_taint()
1098 mod->name, name, owner->name); in inherit_taint()
1102 if (!test_bit(TAINT_PROPRIETARY_MODULE, &mod->taints)) { in inherit_taint()
1104 mod->name, name, owner->name); in inherit_taint()
1105 set_bit(TAINT_PROPRIETARY_MODULE, &mod->taints); in inherit_taint()
1111 static const struct kernel_symbol *resolve_symbol(struct module *mod, in resolve_symbol() argument
1118 .gplok = !(mod->taints & (1 << TAINT_PROPRIETARY_MODULE)), in resolve_symbol()
1134 mod->using_gplonly_symbols = true; in resolve_symbol()
1136 if (!inherit_taint(mod, fsa.owner, name)) { in resolve_symbol()
1141 if (!check_version(info, name, mod, fsa.crc)) { in resolve_symbol()
1146 err = verify_namespace_is_imported(info, fsa.sym, mod); in resolve_symbol()
1152 err = ref_module(mod, fsa.owner); in resolve_symbol()
1167 resolve_symbol_wait(struct module *mod, in resolve_symbol_wait() argument
1175 !IS_ERR(ksym = resolve_symbol(mod, info, name, owner)) in resolve_symbol_wait()
1179 mod->name, owner); in resolve_symbol_wait()
1184 void __weak module_arch_cleanup(struct module *mod) in module_arch_cleanup() argument
1188 void __weak module_arch_freeing_init(struct module *mod) in module_arch_freeing_init() argument
1192 static int module_memory_alloc(struct module *mod, enum mod_mem_type type) in module_memory_alloc() argument
1194 unsigned int size = PAGE_ALIGN(mod->mem[type].size); in module_memory_alloc()
1198 mod->mem[type].size = size; in module_memory_alloc()
1223 mod->mem[type].base = ptr; in module_memory_alloc()
1228 static void module_memory_free(struct module *mod, enum mod_mem_type type, in module_memory_free() argument
1231 void *ptr = mod->mem[type].base; in module_memory_free()
1239 static void free_mod_mem(struct module *mod, bool unload_codetags) in free_mod_mem() argument
1242 struct module_memory *mod_mem = &mod->mem[type]; in free_mod_mem()
1250 module_memory_free(mod, type, unload_codetags); in free_mod_mem()
1254 lockdep_free_key_range(mod->mem[MOD_DATA].base, mod->mem[MOD_DATA].size); in free_mod_mem()
1255 module_memory_free(mod, MOD_DATA, unload_codetags); in free_mod_mem()
1259 static void free_module(struct module *mod) in free_module() argument
1263 trace_module_free(mod); in free_module()
1265 unload_codetags = codetag_unload_module(mod); in free_module()
1268 mod->name); in free_module()
1270 mod_sysfs_teardown(mod); in free_module()
1277 mod->state = MODULE_STATE_UNFORMED; in free_module()
1281 module_arch_cleanup(mod); in free_module()
1284 module_unload_free(mod); in free_module()
1287 destroy_params(mod->kp, mod->num_kp); in free_module()
1289 if (is_livepatch_module(mod)) in free_module()
1290 free_module_elf(mod); in free_module()
1295 list_del_rcu(&mod->list); in free_module()
1296 mod_tree_remove(mod); in free_module()
1298 module_bug_cleanup(mod); in free_module()
1301 if (try_add_tainted_module(mod)) in free_module()
1303 mod->name); in free_module()
1307 module_arch_freeing_init(mod); in free_module()
1308 kfree(mod->args); in free_module()
1309 percpu_modfree(mod); in free_module()
1311 free_mod_mem(mod, unload_codetags); in free_module()
1346 static int verify_exported_symbols(struct module *mod) in verify_exported_symbols() argument
1354 { mod->syms, mod->num_syms }, in verify_exported_symbols()
1355 { mod->gpl_syms, mod->num_gpl_syms }, in verify_exported_symbols()
1367 mod->name, kernel_symbol_name(s), in verify_exported_symbols()
1392 static int simplify_symbols(struct module *mod, const struct load_info *info) in simplify_symbols() argument
1416 mod->name); in simplify_symbols()
1431 ksym = resolve_symbol_wait(mod, info, name); in simplify_symbols()
1446 mod->name, name, ret); in simplify_symbols()
1452 secbase = (unsigned long)mod_percpu(mod); in simplify_symbols()
1463 static int apply_relocations(struct module *mod, const struct load_info *info) in apply_relocations() argument
1481 err = klp_apply_section_relocs(mod, info->sechdrs, in apply_relocations()
1488 info->index.sym, i, mod); in apply_relocations()
1491 info->index.sym, i, mod); in apply_relocations()
1499 unsigned int __weak arch_mod_section_prepend(struct module *mod, in arch_mod_section_prepend() argument
1506 long module_get_offset_and_type(struct module *mod, enum mod_mem_type type, in module_get_offset_and_type() argument
1512 mod->mem[type].size += arch_mod_section_prepend(mod, section); in module_get_offset_and_type()
1513 offset = ALIGN(mod->mem[type].size, sechdr->sh_addralign ?: 1); in module_get_offset_and_type()
1514 mod->mem[type].size = offset + sechdr->sh_size; in module_get_offset_and_type()
1529 static void __layout_sections(struct module *mod, struct load_info *info, bool is_init) in __layout_sections() argument
1576 s->sh_entsize = module_get_offset_and_type(mod, type, s, i); in __layout_sections()
1588 static void layout_sections(struct module *mod, struct load_info *info) in layout_sections() argument
1595 pr_debug("Core section allocation order for %s:\n", mod->name); in layout_sections()
1596 __layout_sections(mod, info, false); in layout_sections()
1598 pr_debug("Init section allocation order for %s:\n", mod->name); in layout_sections()
1599 __layout_sections(mod, info, true); in layout_sections()
1602 static void module_license_taint_check(struct module *mod, const char *license) in module_license_taint_check() argument
1610 mod->name, license); in module_license_taint_check()
1611 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in module_license_taint_check()
1616 static void setup_modinfo(struct module *mod, struct load_info *info) in setup_modinfo() argument
1623 attr->setup(mod, get_modinfo(info, attr->attr.name)); in setup_modinfo()
1627 static void free_modinfo(struct module *mod) in free_modinfo() argument
1634 attr->free(mod); in free_modinfo()
1895 info->index.mod = mod_idx; in elf_validity_cache_copy()
1898 info->mod = (void *)info->hdr + shdr->sh_offset; in elf_validity_cache_copy()
1905 info->name = info->mod->name; in elf_validity_cache_copy()
1937 static int check_modinfo_livepatch(struct module *mod, struct load_info *info) in check_modinfo_livepatch() argument
1943 if (set_livepatch_module(mod)) in check_modinfo_livepatch()
1947 mod->name); in check_modinfo_livepatch()
1951 static void check_modinfo_retpoline(struct module *mod, struct load_info *info) in check_modinfo_retpoline() argument
1957 mod->name); in check_modinfo_retpoline()
2028 static void module_augment_kernel_taints(struct module *mod, struct load_info *info) in module_augment_kernel_taints() argument
2035 mod->name); in module_augment_kernel_taints()
2036 add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2039 check_modinfo_retpoline(mod, info); in module_augment_kernel_taints()
2042 add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2044 "is unknown, you have been warned.\n", mod->name); in module_augment_kernel_taints()
2047 if (is_livepatch_module(mod)) { in module_augment_kernel_taints()
2048 add_taint_module(mod, TAINT_LIVEPATCH, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2050 mod->name); in module_augment_kernel_taints()
2053 module_license_taint_check(mod, get_modinfo(info, "license")); in module_augment_kernel_taints()
2058 mod->name); in module_augment_kernel_taints()
2059 add_taint_module(mod, TAINT_TEST, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2062 mod->sig_ok = info->sig_ok; in module_augment_kernel_taints()
2063 if (!mod->sig_ok) { in module_augment_kernel_taints()
2066 "kernel\n", mod->name); in module_augment_kernel_taints()
2067 add_taint_module(mod, TAINT_UNSIGNED_MODULE, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2076 if (strcmp(mod->name, "ndiswrapper") == 0) in module_augment_kernel_taints()
2080 if (strcmp(mod->name, "driverloader") == 0) in module_augment_kernel_taints()
2081 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in module_augment_kernel_taints()
2085 if (strcmp(mod->name, "lve") == 0) in module_augment_kernel_taints()
2086 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in module_augment_kernel_taints()
2090 pr_warn("%s: module license taints kernel.\n", mod->name); in module_augment_kernel_taints()
2094 static int check_modinfo(struct module *mod, struct load_info *info, int flags) in check_modinfo() argument
2104 err = try_to_force_load(mod, "bad vermagic"); in check_modinfo()
2113 err = check_modinfo_livepatch(mod, info); in check_modinfo()
2120 static int find_module_sections(struct module *mod, struct load_info *info) in find_module_sections() argument
2122 mod->kp = section_objs(info, "__param", in find_module_sections()
2123 sizeof(*mod->kp), &mod->num_kp); in find_module_sections()
2124 mod->syms = section_objs(info, "__ksymtab", in find_module_sections()
2125 sizeof(*mod->syms), &mod->num_syms); in find_module_sections()
2126 mod->crcs = section_addr(info, "__kcrctab"); in find_module_sections()
2127 mod->gpl_syms = section_objs(info, "__ksymtab_gpl", in find_module_sections()
2128 sizeof(*mod->gpl_syms), in find_module_sections()
2129 &mod->num_gpl_syms); in find_module_sections()
2130 mod->gpl_crcs = section_addr(info, "__kcrctab_gpl"); in find_module_sections()
2133 mod->ctors = section_objs(info, ".ctors", in find_module_sections()
2134 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
2135 if (!mod->ctors) in find_module_sections()
2136 mod->ctors = section_objs(info, ".init_array", in find_module_sections()
2137 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
2144 mod->name); in find_module_sections()
2149 mod->noinstr_text_start = section_objs(info, ".noinstr.text", 1, in find_module_sections()
2150 &mod->noinstr_text_size); in find_module_sections()
2153 mod->tracepoints_ptrs = section_objs(info, "__tracepoints_ptrs", in find_module_sections()
2154 sizeof(*mod->tracepoints_ptrs), in find_module_sections()
2155 &mod->num_tracepoints); in find_module_sections()
2158 mod->srcu_struct_ptrs = section_objs(info, "___srcu_struct_ptrs", in find_module_sections()
2159 sizeof(*mod->srcu_struct_ptrs), in find_module_sections()
2160 &mod->num_srcu_structs); in find_module_sections()
2163 mod->bpf_raw_events = section_objs(info, "__bpf_raw_tp_map", in find_module_sections()
2164 sizeof(*mod->bpf_raw_events), in find_module_sections()
2165 &mod->num_bpf_raw_events); in find_module_sections()
2168 mod->btf_data = any_section_objs(info, ".BTF", 1, &mod->btf_data_size); in find_module_sections()
2169 mod->btf_base_data = any_section_objs(info, ".BTF.base", 1, in find_module_sections()
2170 &mod->btf_base_data_size); in find_module_sections()
2173 mod->jump_entries = section_objs(info, "__jump_table", in find_module_sections()
2174 sizeof(*mod->jump_entries), in find_module_sections()
2175 &mod->num_jump_entries); in find_module_sections()
2178 mod->trace_events = section_objs(info, "_ftrace_events", in find_module_sections()
2179 sizeof(*mod->trace_events), in find_module_sections()
2180 &mod->num_trace_events); in find_module_sections()
2181 mod->trace_evals = section_objs(info, "_ftrace_eval_map", in find_module_sections()
2182 sizeof(*mod->trace_evals), in find_module_sections()
2183 &mod->num_trace_evals); in find_module_sections()
2186 mod->trace_bprintk_fmt_start = section_objs(info, "__trace_printk_fmt", in find_module_sections()
2187 sizeof(*mod->trace_bprintk_fmt_start), in find_module_sections()
2188 &mod->num_trace_bprintk_fmt); in find_module_sections()
2192 mod->ftrace_callsites = section_objs(info, FTRACE_CALLSITE_SECTION, in find_module_sections()
2193 sizeof(*mod->ftrace_callsites), in find_module_sections()
2194 &mod->num_ftrace_callsites); in find_module_sections()
2197 mod->ei_funcs = section_objs(info, "_error_injection_whitelist", in find_module_sections()
2198 sizeof(*mod->ei_funcs), in find_module_sections()
2199 &mod->num_ei_funcs); in find_module_sections()
2202 mod->kprobes_text_start = section_objs(info, ".kprobes.text", 1, in find_module_sections()
2203 &mod->kprobes_text_size); in find_module_sections()
2204 mod->kprobe_blacklist = section_objs(info, "_kprobe_blacklist", in find_module_sections()
2206 &mod->num_kprobe_blacklist); in find_module_sections()
2209 mod->printk_index_start = section_objs(info, ".printk_index", in find_module_sections()
2210 sizeof(*mod->printk_index_start), in find_module_sections()
2211 &mod->printk_index_size); in find_module_sections()
2214 mod->static_call_sites = section_objs(info, ".static_call_sites", in find_module_sections()
2215 sizeof(*mod->static_call_sites), in find_module_sections()
2216 &mod->num_static_call_sites); in find_module_sections()
2219 mod->kunit_suites = section_objs(info, ".kunit_test_suites", in find_module_sections()
2220 sizeof(*mod->kunit_suites), in find_module_sections()
2221 &mod->num_kunit_suites); in find_module_sections()
2222 mod->kunit_init_suites = section_objs(info, ".kunit_init_test_suites", in find_module_sections()
2223 sizeof(*mod->kunit_init_suites), in find_module_sections()
2224 &mod->num_kunit_init_suites); in find_module_sections()
2227 mod->extable = section_objs(info, "__ex_table", in find_module_sections()
2228 sizeof(*mod->extable), &mod->num_exentries); in find_module_sections()
2231 pr_warn("%s: Ignoring obsolete parameters\n", mod->name); in find_module_sections()
2234 mod->dyndbg_info.descs = section_objs(info, "__dyndbg", in find_module_sections()
2235 sizeof(*mod->dyndbg_info.descs), in find_module_sections()
2236 &mod->dyndbg_info.num_descs); in find_module_sections()
2237 mod->dyndbg_info.classes = section_objs(info, "__dyndbg_classes", in find_module_sections()
2238 sizeof(*mod->dyndbg_info.classes), in find_module_sections()
2239 &mod->dyndbg_info.num_classes); in find_module_sections()
2245 static int move_module(struct module *mod, struct load_info *info) in move_module() argument
2252 if (!mod->mem[type].size) { in move_module()
2253 mod->mem[type].base = NULL; in move_module()
2257 ret = module_memory_alloc(mod, type); in move_module()
2265 pr_debug("Final section addresses for %s:\n", mod->name); in move_module()
2274 dest = mod->mem[type].base + (shdr->sh_entsize & SH_ENTSIZE_OFFSET_MASK); in move_module()
2283 if (i == info->index.mod && in move_module()
2304 module_memory_free(mod, t, true); in move_module()
2308 static int check_export_symbol_versions(struct module *mod) in check_export_symbol_versions() argument
2311 if ((mod->num_syms && !mod->crcs) || in check_export_symbol_versions()
2312 (mod->num_gpl_syms && !mod->gpl_crcs)) { in check_export_symbol_versions()
2313 return try_to_force_load(mod, in check_export_symbol_versions()
2320 static void flush_module_icache(const struct module *mod) in flush_module_icache() argument
2328 const struct module_memory *mod_mem = &mod->mem[type]; in flush_module_icache()
2345 struct module *mod) in module_frob_arch_sections() argument
2373 struct module *mod; in layout_and_allocate() local
2379 info->secstrings, info->mod); in layout_and_allocate()
2384 info->secstrings, info->mod); in layout_and_allocate()
2414 layout_sections(info->mod, info); in layout_and_allocate()
2415 layout_symtab(info->mod, info); in layout_and_allocate()
2418 err = move_module(info->mod, info); in layout_and_allocate()
2423 mod = (void *)info->sechdrs[info->index.mod].sh_addr; in layout_and_allocate()
2424 kmemleak_load_module(mod, info); in layout_and_allocate()
2425 return mod; in layout_and_allocate()
2429 static void module_deallocate(struct module *mod, struct load_info *info) in module_deallocate() argument
2431 percpu_modfree(mod); in module_deallocate()
2432 module_arch_freeing_init(mod); in module_deallocate()
2434 free_mod_mem(mod, true); in module_deallocate()
2444 static int post_relocation(struct module *mod, const struct load_info *info) in post_relocation() argument
2447 sort_extable(mod->extable, mod->extable + mod->num_exentries); in post_relocation()
2450 percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr, in post_relocation()
2454 add_kallsyms(mod, info); in post_relocation()
2457 return module_finalize(info->hdr, info->sechdrs, mod); in post_relocation()
2461 static void do_mod_ctors(struct module *mod) in do_mod_ctors() argument
2466 for (i = 0; i < mod->num_ctors; i++) in do_mod_ctors()
2467 mod->ctors[i](); in do_mod_ctors()
2514 static noinline int do_init_module(struct module *mod) in do_init_module() argument
2522 const struct module_memory *mod_mem = &mod->mem[type]; in do_init_module()
2536 freeinit->init_text = mod->mem[MOD_INIT_TEXT].base; in do_init_module()
2537 freeinit->init_data = mod->mem[MOD_INIT_DATA].base; in do_init_module()
2538 freeinit->init_rodata = mod->mem[MOD_INIT_RODATA].base; in do_init_module()
2540 do_mod_ctors(mod); in do_init_module()
2542 if (mod->init != NULL) in do_init_module()
2543 ret = do_one_initcall(mod->init); in do_init_module()
2551 __func__, mod->name, ret, __func__); in do_init_module()
2556 mod->state = MODULE_STATE_LIVE; in do_init_module()
2558 MODULE_STATE_LIVE, mod); in do_init_module()
2561 kobject_uevent(&mod->mkobj.kobj, KOBJ_ADD); in do_init_module()
2571 if (!mod->async_probe_requested) in do_init_module()
2574 ftrace_free_mem(mod, mod->mem[MOD_INIT_TEXT].base, in do_init_module()
2575 mod->mem[MOD_INIT_TEXT].base + mod->mem[MOD_INIT_TEXT].size); in do_init_module()
2578 module_put(mod); in do_init_module()
2579 trim_init_extable(mod); in do_init_module()
2582 rcu_assign_pointer(mod->kallsyms, &mod->core_kallsyms); in do_init_module()
2584 ret = module_enable_rodata_ro(mod, true); in do_init_module()
2587 mod_tree_remove_init(mod); in do_init_module()
2588 module_arch_freeing_init(mod); in do_init_module()
2590 mod->mem[type].base = NULL; in do_init_module()
2591 mod->mem[type].size = 0; in do_init_module()
2596 mod->btf_data = NULL; in do_init_module()
2597 mod->btf_base_data = NULL; in do_init_module()
2631 mod->state = MODULE_STATE_GOING; in do_init_module()
2633 module_put(mod); in do_init_module()
2635 MODULE_STATE_GOING, mod); in do_init_module()
2636 klp_module_going(mod); in do_init_module()
2637 ftrace_release_mod(mod); in do_init_module()
2638 free_module(mod); in do_init_module()
2655 struct module *mod; in finished_loading() local
2665 mod = find_module_all(name, strlen(name), true); in finished_loading()
2666 ret = !mod || mod->state == MODULE_STATE_LIVE in finished_loading()
2667 || mod->state == MODULE_STATE_GOING; in finished_loading()
2718 static int add_unformed_module(struct module *mod) in add_unformed_module() argument
2722 mod->state = MODULE_STATE_UNFORMED; in add_unformed_module()
2725 err = module_patient_check_exists(mod->name, FAIL_DUP_MOD_LOAD); in add_unformed_module()
2729 mod_update_bounds(mod); in add_unformed_module()
2730 list_add_rcu(&mod->list, &modules); in add_unformed_module()
2731 mod_tree_insert(mod); in add_unformed_module()
2739 static int complete_formation(struct module *mod, struct load_info *info) in complete_formation() argument
2746 err = verify_exported_symbols(mod); in complete_formation()
2751 module_bug_finalize(info->hdr, info->sechdrs, mod); in complete_formation()
2752 module_cfi_finalize(info->hdr, info->sechdrs, mod); in complete_formation()
2754 err = module_enable_rodata_ro(mod, false); in complete_formation()
2757 err = module_enable_data_nx(mod); in complete_formation()
2760 err = module_enable_text_rox(mod); in complete_formation()
2768 mod->state = MODULE_STATE_COMING; in complete_formation()
2774 module_bug_cleanup(mod); in complete_formation()
2780 static int prepare_coming_module(struct module *mod) in prepare_coming_module() argument
2784 ftrace_module_enable(mod); in prepare_coming_module()
2785 err = klp_module_coming(mod); in prepare_coming_module()
2790 MODULE_STATE_COMING, MODULE_STATE_GOING, mod); in prepare_coming_module()
2793 klp_module_going(mod); in prepare_coming_module()
2801 struct module *mod = arg; in unknown_module_param_cb() local
2805 if (kstrtobool(val, &mod->async_probe_requested)) in unknown_module_param_cb()
2806 mod->async_probe_requested = true; in unknown_module_param_cb()
2836 if (!check_modstruct_version(info, info->mod)) in early_mod_check()
2839 err = check_modinfo(info->mod, info, flags); in early_mod_check()
2844 err = module_patient_check_exists(info->mod->name, FAIL_DUP_MOD_BECOMING); in early_mod_check()
2857 struct module *mod; in load_module() local
2892 mod = layout_and_allocate(info, flags); in load_module()
2893 if (IS_ERR(mod)) { in load_module()
2894 err = PTR_ERR(mod); in load_module()
2900 audit_log_kern_module(mod->name); in load_module()
2903 err = add_unformed_module(mod); in load_module()
2911 module_augment_kernel_taints(mod, info); in load_module()
2914 err = percpu_modalloc(mod, info); in load_module()
2919 err = module_unload_init(mod); in load_module()
2923 init_param_lock(mod); in load_module()
2929 err = find_module_sections(mod, info); in load_module()
2933 err = check_export_symbol_versions(mod); in load_module()
2938 setup_modinfo(mod, info); in load_module()
2941 err = simplify_symbols(mod, info); in load_module()
2945 err = apply_relocations(mod, info); in load_module()
2949 err = post_relocation(mod, info); in load_module()
2953 flush_module_icache(mod); in load_module()
2956 mod->args = strndup_user(uargs, ~0UL >> 1); in load_module()
2957 if (IS_ERR(mod->args)) { in load_module()
2958 err = PTR_ERR(mod->args); in load_module()
2962 init_build_id(mod, info); in load_module()
2965 ftrace_module_init(mod); in load_module()
2968 err = complete_formation(mod, info); in load_module()
2972 err = prepare_coming_module(mod); in load_module()
2976 mod->async_probe_requested = async_probe; in load_module()
2979 after_dashes = parse_args(mod->name, mod->args, mod->kp, mod->num_kp, in load_module()
2980 -32768, 32767, mod, in load_module()
2987 mod->name, after_dashes); in load_module()
2991 err = mod_sysfs_setup(mod, info, mod->kp, mod->num_kp); in load_module()
2995 if (is_livepatch_module(mod)) { in load_module()
2996 err = copy_module_elf(mod, info); in load_module()
3004 codetag_load_module(mod); in load_module()
3007 trace_module_load(mod); in load_module()
3009 return do_init_module(mod); in load_module()
3012 mod_sysfs_teardown(mod); in load_module()
3014 mod->state = MODULE_STATE_GOING; in load_module()
3015 destroy_params(mod->kp, mod->num_kp); in load_module()
3017 MODULE_STATE_GOING, mod); in load_module()
3018 klp_module_going(mod); in load_module()
3020 mod->state = MODULE_STATE_GOING; in load_module()
3023 module_bug_cleanup(mod); in load_module()
3027 ftrace_release_mod(mod); in load_module()
3029 kfree(mod->args); in load_module()
3031 module_arch_cleanup(mod); in load_module()
3033 free_modinfo(mod); in load_module()
3035 module_unload_free(mod); in load_module()
3039 list_del_rcu(&mod->list); in load_module()
3040 mod_tree_remove(mod); in load_module()
3049 lockdep_free_key_range(mod->mem[type].base, in load_module()
3050 mod->mem[type].size); in load_module()
3053 module_deallocate(mod, info); in load_module()
3243 char *module_flags(struct module *mod, char *buf, bool show_state) in module_flags() argument
3247 BUG_ON(mod->state == MODULE_STATE_UNFORMED); in module_flags()
3248 if (!mod->taints && !show_state) in module_flags()
3250 if (mod->taints || in module_flags()
3251 mod->state == MODULE_STATE_GOING || in module_flags()
3252 mod->state == MODULE_STATE_COMING) { in module_flags()
3254 bx += module_flags_taint(mod->taints, buf + bx); in module_flags()
3256 if (mod->state == MODULE_STATE_GOING && show_state) in module_flags()
3259 if (mod->state == MODULE_STATE_COMING && show_state) in module_flags()
3273 struct module *mod; in search_module_extables() local
3276 mod = __module_address(addr); in search_module_extables()
3277 if (!mod) in search_module_extables()
3280 if (!mod->num_exentries) in search_module_extables()
3283 e = search_extable(mod->extable, in search_module_extables()
3284 mod->num_exentries, in search_module_extables()
3323 struct module *mod; in __module_address() local
3338 mod = mod_find(addr, &mod_tree); in __module_address()
3339 if (mod) { in __module_address()
3340 BUG_ON(!within_module(addr, mod)); in __module_address()
3341 if (mod->state == MODULE_STATE_UNFORMED) in __module_address()
3342 mod = NULL; in __module_address()
3344 return mod; in __module_address()
3375 struct module *mod = __module_address(addr); in __module_text_address() local
3376 if (mod) { in __module_text_address()
3378 if (!within_module_mem_type(addr, mod, MOD_TEXT) && in __module_text_address()
3379 !within_module_mem_type(addr, mod, MOD_INIT_TEXT)) in __module_text_address()
3380 mod = NULL; in __module_text_address()
3382 return mod; in __module_text_address()
3388 struct module *mod; in print_modules() local
3394 list_for_each_entry_rcu(mod, &modules, list) { in print_modules()
3395 if (mod->state == MODULE_STATE_UNFORMED) in print_modules()
3397 pr_cont(" %s%s", mod->name, module_flags(mod, buf, true)); in print_modules()