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()
182 static inline int strong_try_module_get(struct module *mod) in strong_try_module_get() argument
184 BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED); in strong_try_module_get()
185 if (mod && mod->state == MODULE_STATE_COMING) in strong_try_module_get()
187 if (try_module_get(mod)) in strong_try_module_get()
193 static inline void add_taint_module(struct module *mod, unsigned flag, in add_taint_module() argument
197 set_bit(flag, &mod->taints); in add_taint_module()
228 void __noreturn __module_put_and_kthread_exit(struct module *mod, long code) in __module_put_and_kthread_exit() argument
230 module_put(mod); in __module_put_and_kthread_exit()
397 struct module *mod; in find_symbol() local
404 list_for_each_entry_rcu(mod, &modules, list, in find_symbol()
407 { mod->syms, mod->syms + mod->num_syms, mod->crcs, in find_symbol()
409 { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms, in find_symbol()
410 mod->gpl_crcs, in find_symbol()
414 if (mod->state == MODULE_STATE_UNFORMED) in find_symbol()
418 if (find_exported_symbol_in_section(&arr[i], mod, fsa)) in find_symbol()
433 struct module *mod; in find_module_all() local
435 list_for_each_entry_rcu(mod, &modules, list, in find_module_all()
437 if (!even_unformed && mod->state == MODULE_STATE_UNFORMED) in find_module_all()
439 if (strlen(mod->name) == len && !memcmp(mod->name, name, len)) in find_module_all()
440 return mod; in find_module_all()
452 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
454 return mod->percpu; in mod_percpu()
457 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
467 mod->name, align, PAGE_SIZE); in percpu_modalloc()
471 mod->percpu = __alloc_reserved_percpu(pcpusec->sh_size, align); in percpu_modalloc()
472 if (!mod->percpu) { in percpu_modalloc()
474 mod->name, (unsigned long)pcpusec->sh_size); in percpu_modalloc()
477 mod->percpu_size = pcpusec->sh_size; in percpu_modalloc()
481 static void percpu_modfree(struct module *mod) in percpu_modfree() argument
483 free_percpu(mod->percpu); in percpu_modfree()
491 static void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
497 memcpy(per_cpu_ptr(mod->percpu, cpu), from, size); in percpu_modcopy()
502 struct module *mod; in __is_module_percpu_address() local
506 list_for_each_entry_rcu(mod, &modules, list) { in __is_module_percpu_address()
507 if (mod->state == MODULE_STATE_UNFORMED) in __is_module_percpu_address()
509 if (!mod->percpu_size) in __is_module_percpu_address()
512 void *start = per_cpu_ptr(mod->percpu, cpu); in __is_module_percpu_address()
515 if (va >= start && va < start + mod->percpu_size) { in __is_module_percpu_address()
519 per_cpu_ptr(mod->percpu, in __is_module_percpu_address()
544 static inline void __percpu *mod_percpu(struct module *mod) in mod_percpu() argument
548 static int percpu_modalloc(struct module *mod, struct load_info *info) in percpu_modalloc() argument
555 static inline void percpu_modfree(struct module *mod) in percpu_modfree() argument
562 static inline void percpu_modcopy(struct module *mod, in percpu_modcopy() argument
581 static void setup_modinfo_##field(struct module *mod, const char *s) \
583 mod->field = kstrdup(s, GFP_KERNEL); \
588 return scnprintf(buffer, PAGE_SIZE, "%s\n", mk->mod->field); \
590 static int modinfo_##field##_exists(struct module *mod) \
592 return mod->field != NULL; \
594 static void free_modinfo_##field(struct module *mod) \
596 kfree(mod->field); \
597 mod->field = NULL; \
623 static int module_unload_init(struct module *mod) in module_unload_init() argument
629 atomic_set(&mod->refcnt, MODULE_REF_BASE); in module_unload_init()
631 INIT_LIST_HEAD(&mod->source_list); in module_unload_init()
632 INIT_LIST_HEAD(&mod->target_list); in module_unload_init()
635 atomic_inc(&mod->refcnt); in module_unload_init()
698 static void module_unload_free(struct module *mod) in module_unload_free() argument
703 list_for_each_entry_safe(use, tmp, &mod->target_list, target_list) { in module_unload_free()
705 pr_debug("%s unusing %s\n", mod->name, i->name); in module_unload_free()
730 static int try_release_module_ref(struct module *mod) in try_release_module_ref() argument
735 ret = atomic_sub_return(MODULE_REF_BASE, &mod->refcnt); in try_release_module_ref()
739 ret = atomic_add_unless(&mod->refcnt, MODULE_REF_BASE, 0); in try_release_module_ref()
744 static int try_stop_module(struct module *mod, int flags, int *forced) in try_stop_module() argument
747 if (try_release_module_ref(mod) != 0) { in try_stop_module()
754 mod->state = MODULE_STATE_GOING; in try_stop_module()
767 int module_refcount(struct module *mod) in module_refcount() argument
769 return atomic_read(&mod->refcnt) - MODULE_REF_BASE; in module_refcount()
774 static void free_module(struct module *mod);
779 struct module *mod; in SYSCALL_DEFINE2() local
798 mod = find_module(name); in SYSCALL_DEFINE2()
799 if (!mod) { in SYSCALL_DEFINE2()
804 if (!list_empty(&mod->source_list)) { in SYSCALL_DEFINE2()
811 if (mod->state != MODULE_STATE_LIVE) { in SYSCALL_DEFINE2()
813 pr_debug("%s already dying\n", mod->name); in SYSCALL_DEFINE2()
819 if (mod->init && !mod->exit) { in SYSCALL_DEFINE2()
828 ret = try_stop_module(mod, flags, &forced); in SYSCALL_DEFINE2()
834 if (mod->exit != NULL) in SYSCALL_DEFINE2()
835 mod->exit(); in SYSCALL_DEFINE2()
837 MODULE_STATE_GOING, mod); in SYSCALL_DEFINE2()
838 klp_module_going(mod); in SYSCALL_DEFINE2()
839 ftrace_release_mod(mod); in SYSCALL_DEFINE2()
844 strscpy(last_unloaded_module.name, mod->name); in SYSCALL_DEFINE2()
845 strscpy(last_unloaded_module.taints, module_flags(mod, buf, false)); in SYSCALL_DEFINE2()
847 free_module(mod); in SYSCALL_DEFINE2()
892 return sprintf(buffer, "%i\n", module_refcount(mk->mod)); in show_refcnt()
936 static inline void module_unload_free(struct module *mod) in module_unload_free() argument
945 static inline int module_unload_init(struct module *mod) in module_unload_init() argument
969 switch (mk->mod->state) { in show_initstate()
1004 unsigned int size = mk->mod->mem[MOD_TEXT].size; in show_coresize()
1008 size += mk->mod->mem[type].size; in show_coresize()
1023 size += mk->mod->mem[type].size; in show_datasize()
1037 size += mk->mod->mem[type].size; in show_initsize()
1049 l = module_flags_taint(mk->mod->taints, buffer); in show_taint()
1078 int try_to_force_load(struct module *mod, const char *reason) in try_to_force_load() argument
1082 pr_warn("%s: %s: kernel tainted.\n", mod->name, reason); in try_to_force_load()
1083 add_taint_module(mod, TAINT_FORCED_MODULE, LOCKDEP_NOW_UNRELIABLE); in try_to_force_load()
1182 struct module *mod) in verify_namespace_is_imported() argument
1190 if (verify_module_namespace(namespace, mod->name)) in verify_namespace_is_imported()
1203 mod->name, kernel_symbol_name(sym), namespace); in verify_namespace_is_imported()
1211 static bool inherit_taint(struct module *mod, struct module *owner, const char *name) in inherit_taint() argument
1216 if (mod->using_gplonly_symbols) { in inherit_taint()
1218 mod->name, name, owner->name); in inherit_taint()
1222 if (!test_bit(TAINT_PROPRIETARY_MODULE, &mod->taints)) { in inherit_taint()
1224 mod->name, name, owner->name); in inherit_taint()
1225 set_bit(TAINT_PROPRIETARY_MODULE, &mod->taints); in inherit_taint()
1231 static const struct kernel_symbol *resolve_symbol(struct module *mod, in resolve_symbol() argument
1238 .gplok = !(mod->taints & (1 << TAINT_PROPRIETARY_MODULE)), in resolve_symbol()
1254 mod->using_gplonly_symbols = true; in resolve_symbol()
1256 if (!inherit_taint(mod, fsa.owner, name)) { in resolve_symbol()
1261 if (!check_version(info, name, mod, fsa.crc)) { in resolve_symbol()
1266 err = verify_namespace_is_imported(info, fsa.sym, mod); in resolve_symbol()
1272 err = ref_module(mod, fsa.owner); in resolve_symbol()
1287 resolve_symbol_wait(struct module *mod, in resolve_symbol_wait() argument
1295 !IS_ERR(ksym = resolve_symbol(mod, info, name, owner)) in resolve_symbol_wait()
1299 mod->name, owner); in resolve_symbol_wait()
1304 void __weak module_arch_cleanup(struct module *mod) in module_arch_cleanup() argument
1308 void __weak module_arch_freeing_init(struct module *mod) in module_arch_freeing_init() argument
1312 static int module_memory_alloc(struct module *mod, enum mod_mem_type type) in module_memory_alloc() argument
1314 unsigned int size = PAGE_ALIGN(mod->mem[type].size); in module_memory_alloc()
1318 mod->mem[type].size = size; in module_memory_alloc()
1329 mod->mem[type].is_rox = execmem_is_rox(execmem_type); in module_memory_alloc()
1342 if (!mod->mem[type].is_rox) in module_memory_alloc()
1346 mod->mem[type].base = ptr; in module_memory_alloc()
1351 static void module_memory_restore_rox(struct module *mod) in module_memory_restore_rox() argument
1354 struct module_memory *mem = &mod->mem[type]; in module_memory_restore_rox()
1361 static void module_memory_free(struct module *mod, enum mod_mem_type type) in module_memory_free() argument
1363 struct module_memory *mem = &mod->mem[type]; in module_memory_free()
1368 static void free_mod_mem(struct module *mod) in free_mod_mem() argument
1371 struct module_memory *mod_mem = &mod->mem[type]; in free_mod_mem()
1379 module_memory_free(mod, type); in free_mod_mem()
1383 lockdep_free_key_range(mod->mem[MOD_DATA].base, mod->mem[MOD_DATA].size); in free_mod_mem()
1384 module_memory_free(mod, MOD_DATA); in free_mod_mem()
1388 static void free_module(struct module *mod) in free_module() argument
1390 trace_module_free(mod); in free_module()
1392 codetag_unload_module(mod); in free_module()
1394 mod_sysfs_teardown(mod); in free_module()
1401 mod->state = MODULE_STATE_UNFORMED; in free_module()
1405 module_arch_cleanup(mod); in free_module()
1408 module_unload_free(mod); in free_module()
1411 destroy_params(mod->kp, mod->num_kp); in free_module()
1413 if (is_livepatch_module(mod)) in free_module()
1414 free_module_elf(mod); in free_module()
1419 list_del_rcu(&mod->list); in free_module()
1420 mod_tree_remove(mod); in free_module()
1422 module_bug_cleanup(mod); in free_module()
1425 if (try_add_tainted_module(mod)) in free_module()
1427 mod->name); in free_module()
1431 module_arch_freeing_init(mod); in free_module()
1432 kfree(mod->args); in free_module()
1433 percpu_modfree(mod); in free_module()
1435 free_mod_mem(mod); in free_module()
1467 static int verify_exported_symbols(struct module *mod) in verify_exported_symbols() argument
1475 { mod->syms, mod->num_syms }, in verify_exported_symbols()
1476 { mod->gpl_syms, mod->num_gpl_syms }, in verify_exported_symbols()
1488 mod->name, kernel_symbol_name(s), in verify_exported_symbols()
1513 static int simplify_symbols(struct module *mod, const struct load_info *info) in simplify_symbols() argument
1537 mod->name); in simplify_symbols()
1552 ksym = resolve_symbol_wait(mod, info, name); in simplify_symbols()
1567 mod->name, name, ret); in simplify_symbols()
1573 secbase = (unsigned long)mod_percpu(mod); in simplify_symbols()
1584 static int apply_relocations(struct module *mod, const struct load_info *info) in apply_relocations() argument
1608 err = klp_apply_section_relocs(mod, info->sechdrs, in apply_relocations()
1615 info->index.sym, i, mod); in apply_relocations()
1618 info->index.sym, i, mod); in apply_relocations()
1626 unsigned int __weak arch_mod_section_prepend(struct module *mod, in arch_mod_section_prepend() argument
1633 long module_get_offset_and_type(struct module *mod, enum mod_mem_type type, in module_get_offset_and_type() argument
1639 mod->mem[type].size += arch_mod_section_prepend(mod, section); in module_get_offset_and_type()
1640 offset = ALIGN(mod->mem[type].size, sechdr->sh_addralign ?: 1); in module_get_offset_and_type()
1641 mod->mem[type].size = offset + sechdr->sh_size; in module_get_offset_and_type()
1656 static void __layout_sections(struct module *mod, struct load_info *info, bool is_init) in __layout_sections() argument
1706 if (codetag_needs_module_section(mod, sname, s->sh_size)) { in __layout_sections()
1716 s->sh_entsize = module_get_offset_and_type(mod, type, s, i); in __layout_sections()
1728 static void layout_sections(struct module *mod, struct load_info *info) in layout_sections() argument
1735 pr_debug("Core section allocation order for %s:\n", mod->name); in layout_sections()
1736 __layout_sections(mod, info, false); in layout_sections()
1738 pr_debug("Init section allocation order for %s:\n", mod->name); in layout_sections()
1739 __layout_sections(mod, info, true); in layout_sections()
1742 static void module_license_taint_check(struct module *mod, const char *license) in module_license_taint_check() argument
1750 mod->name, license); in module_license_taint_check()
1751 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in module_license_taint_check()
1756 static int setup_modinfo(struct module *mod, struct load_info *info) in setup_modinfo() argument
1764 attr->setup(mod, get_modinfo(info, attr->attr.name)); in setup_modinfo()
1774 mod->name, imported_namespace); in setup_modinfo()
1782 static void free_modinfo(struct module *mod) in free_modinfo() argument
1789 attr->free(mod); in free_modinfo()
2101 info->index.mod = mod_idx; in elf_validity_cache_index_mod()
2378 info->mod = (void *)info->hdr + info->sechdrs[info->index.mod].sh_offset; in elf_validity_cache_copy()
2385 info->name = info->mod->name; in elf_validity_cache_copy()
2407 static int check_modinfo_livepatch(struct module *mod, struct load_info *info) in check_modinfo_livepatch() argument
2413 if (set_livepatch_module(mod)) in check_modinfo_livepatch()
2417 mod->name); in check_modinfo_livepatch()
2421 static void check_modinfo_retpoline(struct module *mod, struct load_info *info) in check_modinfo_retpoline() argument
2427 mod->name); in check_modinfo_retpoline()
2510 static void module_augment_kernel_taints(struct module *mod, struct load_info *info) in module_augment_kernel_taints() argument
2518 mod->name); in module_augment_kernel_taints()
2519 add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2522 check_modinfo_retpoline(mod, info); in module_augment_kernel_taints()
2525 add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2527 "is unknown, you have been warned.\n", mod->name); in module_augment_kernel_taints()
2530 if (is_livepatch_module(mod)) { in module_augment_kernel_taints()
2531 add_taint_module(mod, TAINT_LIVEPATCH, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2533 mod->name); in module_augment_kernel_taints()
2536 module_license_taint_check(mod, get_modinfo(info, "license")); in module_augment_kernel_taints()
2541 mod->name); in module_augment_kernel_taints()
2542 add_taint_module(mod, TAINT_TEST, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2545 mod->sig_ok = info->sig_ok; in module_augment_kernel_taints()
2546 if (!mod->sig_ok) { in module_augment_kernel_taints()
2549 "kernel\n", mod->name); in module_augment_kernel_taints()
2550 add_taint_module(mod, TAINT_UNSIGNED_MODULE, LOCKDEP_STILL_OK); in module_augment_kernel_taints()
2559 if (strcmp(mod->name, "ndiswrapper") == 0) in module_augment_kernel_taints()
2563 if (strcmp(mod->name, module_license_offenders[i]) == 0) in module_augment_kernel_taints()
2564 add_taint_module(mod, TAINT_PROPRIETARY_MODULE, in module_augment_kernel_taints()
2569 pr_warn("%s: module license taints kernel.\n", mod->name); in module_augment_kernel_taints()
2573 static int check_modinfo(struct module *mod, struct load_info *info, int flags) in check_modinfo() argument
2583 err = try_to_force_load(mod, "bad vermagic"); in check_modinfo()
2592 err = check_modinfo_livepatch(mod, info); in check_modinfo()
2599 static int find_module_sections(struct module *mod, struct load_info *info) in find_module_sections() argument
2601 mod->kp = section_objs(info, "__param", in find_module_sections()
2602 sizeof(*mod->kp), &mod->num_kp); in find_module_sections()
2603 mod->syms = section_objs(info, "__ksymtab", in find_module_sections()
2604 sizeof(*mod->syms), &mod->num_syms); in find_module_sections()
2605 mod->crcs = section_addr(info, "__kcrctab"); in find_module_sections()
2606 mod->gpl_syms = section_objs(info, "__ksymtab_gpl", in find_module_sections()
2607 sizeof(*mod->gpl_syms), in find_module_sections()
2608 &mod->num_gpl_syms); in find_module_sections()
2609 mod->gpl_crcs = section_addr(info, "__kcrctab_gpl"); in find_module_sections()
2612 mod->ctors = section_objs(info, ".ctors", in find_module_sections()
2613 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
2614 if (!mod->ctors) in find_module_sections()
2615 mod->ctors = section_objs(info, ".init_array", in find_module_sections()
2616 sizeof(*mod->ctors), &mod->num_ctors); in find_module_sections()
2623 mod->name); in find_module_sections()
2628 mod->noinstr_text_start = section_objs(info, ".noinstr.text", 1, in find_module_sections()
2629 &mod->noinstr_text_size); in find_module_sections()
2632 mod->tracepoints_ptrs = section_objs(info, "__tracepoints_ptrs", in find_module_sections()
2633 sizeof(*mod->tracepoints_ptrs), in find_module_sections()
2634 &mod->num_tracepoints); in find_module_sections()
2637 mod->srcu_struct_ptrs = section_objs(info, "___srcu_struct_ptrs", in find_module_sections()
2638 sizeof(*mod->srcu_struct_ptrs), in find_module_sections()
2639 &mod->num_srcu_structs); in find_module_sections()
2642 mod->bpf_raw_events = section_objs(info, "__bpf_raw_tp_map", in find_module_sections()
2643 sizeof(*mod->bpf_raw_events), in find_module_sections()
2644 &mod->num_bpf_raw_events); in find_module_sections()
2647 mod->btf_data = any_section_objs(info, ".BTF", 1, &mod->btf_data_size); in find_module_sections()
2648 mod->btf_base_data = any_section_objs(info, ".BTF.base", 1, in find_module_sections()
2649 &mod->btf_base_data_size); in find_module_sections()
2652 mod->jump_entries = section_objs(info, "__jump_table", in find_module_sections()
2653 sizeof(*mod->jump_entries), in find_module_sections()
2654 &mod->num_jump_entries); in find_module_sections()
2657 mod->trace_events = section_objs(info, "_ftrace_events", in find_module_sections()
2658 sizeof(*mod->trace_events), in find_module_sections()
2659 &mod->num_trace_events); in find_module_sections()
2660 mod->trace_evals = section_objs(info, "_ftrace_eval_map", in find_module_sections()
2661 sizeof(*mod->trace_evals), in find_module_sections()
2662 &mod->num_trace_evals); in find_module_sections()
2665 mod->trace_bprintk_fmt_start = section_objs(info, "__trace_printk_fmt", in find_module_sections()
2666 sizeof(*mod->trace_bprintk_fmt_start), in find_module_sections()
2667 &mod->num_trace_bprintk_fmt); in find_module_sections()
2671 mod->ftrace_callsites = section_objs(info, FTRACE_CALLSITE_SECTION, in find_module_sections()
2672 sizeof(*mod->ftrace_callsites), in find_module_sections()
2673 &mod->num_ftrace_callsites); in find_module_sections()
2676 mod->ei_funcs = section_objs(info, "_error_injection_whitelist", in find_module_sections()
2677 sizeof(*mod->ei_funcs), in find_module_sections()
2678 &mod->num_ei_funcs); in find_module_sections()
2681 mod->kprobes_text_start = section_objs(info, ".kprobes.text", 1, in find_module_sections()
2682 &mod->kprobes_text_size); in find_module_sections()
2683 mod->kprobe_blacklist = section_objs(info, "_kprobe_blacklist", in find_module_sections()
2685 &mod->num_kprobe_blacklist); in find_module_sections()
2688 mod->printk_index_start = section_objs(info, ".printk_index", in find_module_sections()
2689 sizeof(*mod->printk_index_start), in find_module_sections()
2690 &mod->printk_index_size); in find_module_sections()
2693 mod->static_call_sites = section_objs(info, ".static_call_sites", in find_module_sections()
2694 sizeof(*mod->static_call_sites), in find_module_sections()
2695 &mod->num_static_call_sites); in find_module_sections()
2698 mod->kunit_suites = section_objs(info, ".kunit_test_suites", in find_module_sections()
2699 sizeof(*mod->kunit_suites), in find_module_sections()
2700 &mod->num_kunit_suites); in find_module_sections()
2701 mod->kunit_init_suites = section_objs(info, ".kunit_init_test_suites", in find_module_sections()
2702 sizeof(*mod->kunit_init_suites), in find_module_sections()
2703 &mod->num_kunit_init_suites); in find_module_sections()
2706 mod->extable = section_objs(info, "__ex_table", in find_module_sections()
2707 sizeof(*mod->extable), &mod->num_exentries); in find_module_sections()
2710 pr_warn("%s: Ignoring obsolete parameters\n", mod->name); in find_module_sections()
2713 mod->dyndbg_info.descs = section_objs(info, "__dyndbg", in find_module_sections()
2714 sizeof(*mod->dyndbg_info.descs), in find_module_sections()
2715 &mod->dyndbg_info.num_descs); in find_module_sections()
2716 mod->dyndbg_info.classes = section_objs(info, "__dyndbg_classes", in find_module_sections()
2717 sizeof(*mod->dyndbg_info.classes), in find_module_sections()
2718 &mod->dyndbg_info.num_classes); in find_module_sections()
2724 static int move_module(struct module *mod, struct load_info *info) in move_module() argument
2731 if (!mod->mem[type].size) { in move_module()
2732 mod->mem[type].base = NULL; in move_module()
2736 ret = module_memory_alloc(mod, type); in move_module()
2744 pr_debug("Final section addresses for %s:\n", mod->name); in move_module()
2758 if (codetag_needs_module_section(mod, sname, shdr->sh_size)) { in move_module()
2759 dest = codetag_alloc_module_section(mod, sname, shdr->sh_size, in move_module()
2760 arch_mod_section_prepend(mod, i), shdr->sh_addralign); in move_module()
2774 dest = mod->mem[type].base + offset; in move_module()
2784 if (i == info->index.mod && in move_module()
2804 module_memory_restore_rox(mod); in move_module()
2806 module_memory_free(mod, t); in move_module()
2808 codetag_free_module_sections(mod); in move_module()
2813 static int check_export_symbol_versions(struct module *mod) in check_export_symbol_versions() argument
2816 if ((mod->num_syms && !mod->crcs) || in check_export_symbol_versions()
2817 (mod->num_gpl_syms && !mod->gpl_crcs)) { in check_export_symbol_versions()
2818 return try_to_force_load(mod, in check_export_symbol_versions()
2825 static void flush_module_icache(const struct module *mod) in flush_module_icache() argument
2833 const struct module_memory *mod_mem = &mod->mem[type]; in flush_module_icache()
2850 struct module *mod) in module_frob_arch_sections() argument
2878 struct module *mod; in layout_and_allocate() local
2883 info->secstrings, info->mod); in layout_and_allocate()
2888 info->secstrings, info->mod); in layout_and_allocate()
2907 layout_sections(info->mod, info); in layout_and_allocate()
2908 layout_symtab(info->mod, info); in layout_and_allocate()
2911 err = move_module(info->mod, info); in layout_and_allocate()
2916 mod = (void *)info->sechdrs[info->index.mod].sh_addr; in layout_and_allocate()
2917 kmemleak_load_module(mod, info); in layout_and_allocate()
2918 codetag_module_replaced(info->mod, mod); in layout_and_allocate()
2920 return mod; in layout_and_allocate()
2924 static void module_deallocate(struct module *mod, struct load_info *info) in module_deallocate() argument
2926 percpu_modfree(mod); in module_deallocate()
2927 module_arch_freeing_init(mod); in module_deallocate()
2928 codetag_free_module_sections(mod); in module_deallocate()
2930 free_mod_mem(mod); in module_deallocate()
2940 static int post_relocation(struct module *mod, const struct load_info *info) in post_relocation() argument
2943 sort_extable(mod->extable, mod->extable + mod->num_exentries); in post_relocation()
2946 percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr, in post_relocation()
2950 add_kallsyms(mod, info); in post_relocation()
2953 return module_finalize(info->hdr, info->sechdrs, mod); in post_relocation()
2957 static void do_mod_ctors(struct module *mod) in do_mod_ctors() argument
2962 for (i = 0; i < mod->num_ctors; i++) in do_mod_ctors()
2963 mod->ctors[i](); in do_mod_ctors()
3010 static noinline int do_init_module(struct module *mod) in do_init_module() argument
3018 const struct module_memory *mod_mem = &mod->mem[type]; in do_init_module()
3032 freeinit->init_text = mod->mem[MOD_INIT_TEXT].base; in do_init_module()
3033 freeinit->init_data = mod->mem[MOD_INIT_DATA].base; in do_init_module()
3034 freeinit->init_rodata = mod->mem[MOD_INIT_RODATA].base; in do_init_module()
3036 do_mod_ctors(mod); in do_init_module()
3038 if (mod->init != NULL) in do_init_module()
3039 ret = do_one_initcall(mod->init); in do_init_module()
3047 __func__, mod->name, ret, __func__); in do_init_module()
3052 mod->state = MODULE_STATE_LIVE; in do_init_module()
3054 MODULE_STATE_LIVE, mod); in do_init_module()
3057 kobject_uevent(&mod->mkobj.kobj, KOBJ_ADD); in do_init_module()
3067 if (!mod->async_probe_requested) in do_init_module()
3070 ftrace_free_mem(mod, mod->mem[MOD_INIT_TEXT].base, in do_init_module()
3071 mod->mem[MOD_INIT_TEXT].base + mod->mem[MOD_INIT_TEXT].size); in do_init_module()
3074 module_put(mod); in do_init_module()
3075 trim_init_extable(mod); in do_init_module()
3078 rcu_assign_pointer(mod->kallsyms, &mod->core_kallsyms); in do_init_module()
3080 ret = module_enable_rodata_ro_after_init(mod); in do_init_module()
3084 mod->name, ret); in do_init_module()
3086 mod_tree_remove_init(mod); in do_init_module()
3087 module_arch_freeing_init(mod); in do_init_module()
3089 mod->mem[type].base = NULL; in do_init_module()
3090 mod->mem[type].size = 0; in do_init_module()
3095 mod->btf_data = NULL; in do_init_module()
3096 mod->btf_base_data = NULL; in do_init_module()
3128 mod->state = MODULE_STATE_GOING; in do_init_module()
3130 module_put(mod); in do_init_module()
3132 MODULE_STATE_GOING, mod); in do_init_module()
3133 klp_module_going(mod); in do_init_module()
3134 ftrace_release_mod(mod); in do_init_module()
3135 free_module(mod); in do_init_module()
3152 struct module *mod; in finished_loading() local
3162 mod = find_module_all(name, strlen(name), true); in finished_loading()
3163 ret = !mod || mod->state == MODULE_STATE_LIVE in finished_loading()
3164 || mod->state == MODULE_STATE_GOING; in finished_loading()
3215 static int add_unformed_module(struct module *mod) in add_unformed_module() argument
3219 mod->state = MODULE_STATE_UNFORMED; in add_unformed_module()
3222 err = module_patient_check_exists(mod->name, FAIL_DUP_MOD_LOAD); in add_unformed_module()
3226 mod_update_bounds(mod); in add_unformed_module()
3227 list_add_rcu(&mod->list, &modules); in add_unformed_module()
3228 mod_tree_insert(mod); in add_unformed_module()
3236 static int complete_formation(struct module *mod, struct load_info *info) in complete_formation() argument
3243 err = verify_exported_symbols(mod); in complete_formation()
3248 module_bug_finalize(info->hdr, info->sechdrs, mod); in complete_formation()
3249 module_cfi_finalize(info->hdr, info->sechdrs, mod); in complete_formation()
3251 err = module_enable_rodata_ro(mod); in complete_formation()
3254 err = module_enable_data_nx(mod); in complete_formation()
3257 err = module_enable_text_rox(mod); in complete_formation()
3265 mod->state = MODULE_STATE_COMING; in complete_formation()
3271 module_bug_cleanup(mod); in complete_formation()
3277 static int prepare_coming_module(struct module *mod) in prepare_coming_module() argument
3281 ftrace_module_enable(mod); in prepare_coming_module()
3282 err = klp_module_coming(mod); in prepare_coming_module()
3287 MODULE_STATE_COMING, MODULE_STATE_GOING, mod); in prepare_coming_module()
3290 klp_module_going(mod); in prepare_coming_module()
3298 struct module *mod = arg; in unknown_module_param_cb() local
3302 if (kstrtobool(val, &mod->async_probe_requested)) in unknown_module_param_cb()
3303 mod->async_probe_requested = true; in unknown_module_param_cb()
3333 if (!check_modstruct_version(info, info->mod)) in early_mod_check()
3336 err = check_modinfo(info->mod, info, flags); in early_mod_check()
3341 err = module_patient_check_exists(info->mod->name, FAIL_DUP_MOD_BECOMING); in early_mod_check()
3354 struct module *mod; in load_module() local
3389 mod = layout_and_allocate(info, flags); in load_module()
3390 if (IS_ERR(mod)) { in load_module()
3391 err = PTR_ERR(mod); in load_module()
3400 err = add_unformed_module(mod); in load_module()
3408 module_augment_kernel_taints(mod, info); in load_module()
3411 err = percpu_modalloc(mod, info); in load_module()
3416 err = module_unload_init(mod); in load_module()
3420 init_param_lock(mod); in load_module()
3426 err = find_module_sections(mod, info); in load_module()
3430 err = check_export_symbol_versions(mod); in load_module()
3435 err = setup_modinfo(mod, info); in load_module()
3440 err = simplify_symbols(mod, info); in load_module()
3444 err = apply_relocations(mod, info); in load_module()
3448 err = post_relocation(mod, info); in load_module()
3452 flush_module_icache(mod); in load_module()
3455 mod->args = strndup_user(uargs, ~0UL >> 1); in load_module()
3456 if (IS_ERR(mod->args)) { in load_module()
3457 err = PTR_ERR(mod->args); in load_module()
3461 init_build_id(mod, info); in load_module()
3464 ftrace_module_init(mod); in load_module()
3467 err = complete_formation(mod, info); in load_module()
3471 err = prepare_coming_module(mod); in load_module()
3475 mod->async_probe_requested = async_probe; in load_module()
3478 after_dashes = parse_args(mod->name, mod->args, mod->kp, mod->num_kp, in load_module()
3479 -32768, 32767, mod, in load_module()
3486 mod->name, after_dashes); in load_module()
3490 err = mod_sysfs_setup(mod, info, mod->kp, mod->num_kp); in load_module()
3494 if (is_livepatch_module(mod)) { in load_module()
3495 err = copy_module_elf(mod, info); in load_module()
3500 if (codetag_load_module(mod)) in load_module()
3507 trace_module_load(mod); in load_module()
3509 return do_init_module(mod); in load_module()
3512 mod_sysfs_teardown(mod); in load_module()
3514 mod->state = MODULE_STATE_GOING; in load_module()
3515 destroy_params(mod->kp, mod->num_kp); in load_module()
3517 MODULE_STATE_GOING, mod); in load_module()
3518 klp_module_going(mod); in load_module()
3520 mod->state = MODULE_STATE_GOING; in load_module()
3523 module_bug_cleanup(mod); in load_module()
3527 ftrace_release_mod(mod); in load_module()
3529 kfree(mod->args); in load_module()
3531 module_arch_cleanup(mod); in load_module()
3533 free_modinfo(mod); in load_module()
3535 module_unload_free(mod); in load_module()
3539 list_del_rcu(&mod->list); in load_module()
3540 mod_tree_remove(mod); in load_module()
3549 lockdep_free_key_range(mod->mem[type].base, in load_module()
3550 mod->mem[type].size); in load_module()
3553 module_memory_restore_rox(mod); in load_module()
3554 module_deallocate(mod, info); in load_module()
3754 char *module_flags(struct module *mod, char *buf, bool show_state) in module_flags() argument
3758 BUG_ON(mod->state == MODULE_STATE_UNFORMED); in module_flags()
3759 if (!mod->taints && !show_state) in module_flags()
3761 if (mod->taints || in module_flags()
3762 mod->state == MODULE_STATE_GOING || in module_flags()
3763 mod->state == MODULE_STATE_COMING) { in module_flags()
3765 bx += module_flags_taint(mod->taints, buf + bx); in module_flags()
3767 if (mod->state == MODULE_STATE_GOING && show_state) in module_flags()
3770 if (mod->state == MODULE_STATE_COMING && show_state) in module_flags()
3783 struct module *mod; in search_module_extables() local
3786 mod = __module_address(addr); in search_module_extables()
3787 if (!mod) in search_module_extables()
3790 if (!mod->num_exentries) in search_module_extables()
3799 return search_extable(mod->extable, mod->num_exentries, addr); in search_module_extables()
3824 struct module *mod; in __module_address() local
3837 mod = mod_find(addr, &mod_tree); in __module_address()
3838 if (mod) { in __module_address()
3839 BUG_ON(!within_module(addr, mod)); in __module_address()
3840 if (mod->state == MODULE_STATE_UNFORMED) in __module_address()
3841 mod = NULL; in __module_address()
3843 return mod; in __module_address()
3860 void module_for_each_mod(int(*func)(struct module *mod, void *data), void *data) in module_for_each_mod() argument
3862 struct module *mod; in module_for_each_mod() local
3865 list_for_each_entry_rcu(mod, &modules, list) { in module_for_each_mod()
3866 if (mod->state == MODULE_STATE_UNFORMED) in module_for_each_mod()
3868 if (func(mod, data)) in module_for_each_mod()
3882 struct module *mod = __module_address(addr); in __module_text_address() local
3883 if (mod) { in __module_text_address()
3885 if (!within_module_mem_type(addr, mod, MOD_TEXT) && in __module_text_address()
3886 !within_module_mem_type(addr, mod, MOD_INIT_TEXT)) in __module_text_address()
3887 mod = NULL; in __module_text_address()
3889 return mod; in __module_text_address()
3895 struct module *mod; in print_modules() local
3901 list_for_each_entry_rcu(mod, &modules, list) { in print_modules()
3902 if (mod->state == MODULE_STATE_UNFORMED) in print_modules()
3904 pr_cont(" %s%s", mod->name, module_flags(mod, buf, true)); in print_modules()