Lines Matching full:address
174 static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address) in vmalloc_sync_one() argument
176 unsigned index = pgd_index(address); in vmalloc_sync_one()
193 p4d = p4d_offset(pgd, address); in vmalloc_sync_one()
194 p4d_k = p4d_offset(pgd_k, address); in vmalloc_sync_one()
198 pud = pud_offset(p4d, address); in vmalloc_sync_one()
199 pud_k = pud_offset(p4d_k, address); in vmalloc_sync_one()
203 pmd = pmd_offset(pud, address); in vmalloc_sync_one()
204 pmd_k = pmd_offset(pud_k, address); in vmalloc_sync_one()
231 static noinline int vmalloc_fault(unsigned long address) in vmalloc_fault() argument
238 if (!(address >= VMALLOC_START && address < VMALLOC_END)) in vmalloc_fault()
249 pmd_k = vmalloc_sync_one(__va(pgd_paddr), address); in vmalloc_fault()
256 pte_k = pte_offset_kernel(pmd_k, address); in vmalloc_fault()
293 static void dump_pagetable(unsigned long address) in dump_pagetable() argument
296 pgd_t *pgd = &base[pgd_index(address)]; in dump_pagetable()
310 p4d = p4d_offset(pgd, address); in dump_pagetable()
311 pud = pud_offset(p4d, address); in dump_pagetable()
312 pmd = pmd_offset(pud, address); in dump_pagetable()
325 pte = pte_offset_kernel(pmd, address); in dump_pagetable()
349 static void dump_pagetable(unsigned long address) in dump_pagetable() argument
352 pgd_t *pgd = base + pgd_index(address); in dump_pagetable()
366 p4d = p4d_offset(pgd, address); in dump_pagetable()
374 pud = pud_offset(p4d, address); in dump_pagetable()
382 pmd = pmd_offset(pud, address); in dump_pagetable()
390 pte = pte_offset_kernel(pmd, address); in dump_pagetable()
418 static int is_errata93(struct pt_regs *regs, unsigned long address) in is_errata93() argument
428 if (address != regs->ip) in is_errata93()
431 if ((address >> 32) != 0) in is_errata93()
434 address |= 0xffffffffUL << 32; in is_errata93()
435 if ((address >= (u64)_stext && address <= (u64)_etext) || in is_errata93()
436 (address >= MODULES_VADDR && address <= MODULES_END)) { in is_errata93()
438 regs->ip = address; in is_errata93()
453 static int is_errata100(struct pt_regs *regs, unsigned long address) in is_errata100() argument
456 if ((regs->cs == __USER32_CS || (regs->cs & (1<<2))) && (address >> 32)) in is_errata100()
464 unsigned long address) in is_f00f_bug() argument
468 idt_is_f00f_address(address)) { in is_f00f_bug()
492 if (copy_from_kernel_nofault(&desc, (void *)(gdt->address + offset), in show_ldttss()
508 show_fault_oops(struct pt_regs *regs, unsigned long error_code, unsigned long address) in show_fault_oops() argument
519 pgd += pgd_index(address); in show_fault_oops()
521 pte = lookup_address_in_pgd(pgd, address, &level); in show_fault_oops()
533 if (address < PAGE_SIZE && !user_mode(regs)) in show_fault_oops()
534 pr_alert("BUG: kernel NULL pointer dereference, address: %px\n", in show_fault_oops()
535 (void *)address); in show_fault_oops()
537 pr_alert("BUG: unable to handle page fault for address: %px\n", in show_fault_oops()
538 (void *)address); in show_fault_oops()
572 idt.address, idt.size, gdt.address, gdt.size); in show_fault_oops()
581 dump_pagetable(address); in show_fault_oops()
586 unsigned long address) in pgtable_bad() argument
596 printk(KERN_ALERT "%s: Corrupted page table at address %lx\n", in pgtable_bad()
597 tsk->comm, address); in pgtable_bad()
598 dump_pagetable(address); in pgtable_bad()
606 static void sanitize_error_code(unsigned long address, in sanitize_error_code() argument
618 if (address >= TASK_SIZE_MAX) in sanitize_error_code()
622 static void set_signal_archinfo(unsigned long address, in set_signal_archinfo() argument
629 tsk->thread.cr2 = address; in set_signal_archinfo()
634 unsigned long address) in page_fault_oops() argument
656 if (is_vmalloc_addr((void *)address) && in page_fault_oops()
657 get_stack_guard_info((void *)address, &info)) { in page_fault_oops()
671 , [arg1] "r" (regs), [arg2] "r" (address), [arg3] "r" (&info)); in page_fault_oops()
683 efi_crash_gracefully_on_page_fault(address); in page_fault_oops()
687 kfence_handle_page_fault(address, error_code & X86_PF_WRITE, regs)) in page_fault_oops()
697 show_fault_oops(regs, error_code, address); in page_fault_oops()
707 printk(KERN_DEFAULT "CR2: %016lx\n", address); in page_fault_oops()
714 unsigned long address, int signal, int si_code, in kernelmode_fixup_or_oops() argument
720 if (fixup_exception(regs, X86_TRAP_PF, error_code, address)) { in kernelmode_fixup_or_oops()
736 sanitize_error_code(address, &error_code); in kernelmode_fixup_or_oops()
738 set_signal_archinfo(address, error_code); in kernelmode_fixup_or_oops()
741 force_sig_pkuerr((void __user *)address, pkey); in kernelmode_fixup_or_oops()
744 force_sig_fault(signal, si_code, (void __user *)address); in kernelmode_fixup_or_oops()
758 if (is_prefetch(regs, error_code, address)) in kernelmode_fixup_or_oops()
761 page_fault_oops(regs, error_code, address); in kernelmode_fixup_or_oops()
770 unsigned long address, struct task_struct *tsk) in show_signal_msg() argument
783 loglvl, tsk->comm, task_pid_nr(tsk), address, in show_signal_msg()
803 unsigned long address, u32 pkey, int si_code) in __bad_area_nosemaphore() argument
808 kernelmode_fixup_or_oops(regs, error_code, address, in __bad_area_nosemaphore()
815 page_fault_oops(regs, error_code, address); in __bad_area_nosemaphore()
829 if (is_prefetch(regs, error_code, address)) in __bad_area_nosemaphore()
832 if (is_errata100(regs, address)) in __bad_area_nosemaphore()
835 sanitize_error_code(address, &error_code); in __bad_area_nosemaphore()
837 if (fixup_vdso_exception(regs, X86_TRAP_PF, error_code, address)) in __bad_area_nosemaphore()
841 show_signal_msg(regs, error_code, address, tsk); in __bad_area_nosemaphore()
843 set_signal_archinfo(address, error_code); in __bad_area_nosemaphore()
846 force_sig_pkuerr((void __user *)address, pkey); in __bad_area_nosemaphore()
848 force_sig_fault(SIGSEGV, si_code, (void __user *)address); in __bad_area_nosemaphore()
855 unsigned long address) in bad_area_nosemaphore() argument
857 __bad_area_nosemaphore(regs, error_code, address, 0, SEGV_MAPERR); in bad_area_nosemaphore()
862 unsigned long address, u32 pkey, int si_code) in __bad_area() argument
871 __bad_area_nosemaphore(regs, error_code, address, pkey, si_code); in __bad_area()
893 unsigned long address, struct vm_area_struct *vma) in bad_area_access_error() argument
923 __bad_area(regs, error_code, address, pkey, SEGV_PKUERR); in bad_area_access_error()
925 __bad_area(regs, error_code, address, 0, SEGV_ACCERR); in bad_area_access_error()
930 do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address, in do_sigbus() argument
935 kernelmode_fixup_or_oops(regs, error_code, address, in do_sigbus()
941 if (is_prefetch(regs, error_code, address)) in do_sigbus()
944 sanitize_error_code(address, &error_code); in do_sigbus()
946 if (fixup_vdso_exception(regs, X86_TRAP_PF, error_code, address)) in do_sigbus()
949 set_signal_archinfo(address, error_code); in do_sigbus()
958 tsk->comm, tsk->pid, address); in do_sigbus()
963 force_sig_mceerr(BUS_MCEERR_AR, (void __user *)address, lsb); in do_sigbus()
967 force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address); in do_sigbus()
1003 spurious_kernel_fault(unsigned long error_code, unsigned long address) in spurious_kernel_fault() argument
1025 pgd = init_mm.pgd + pgd_index(address); in spurious_kernel_fault()
1029 p4d = p4d_offset(pgd, address); in spurious_kernel_fault()
1036 pud = pud_offset(p4d, address); in spurious_kernel_fault()
1043 pmd = pmd_offset(pud, address); in spurious_kernel_fault()
1050 pte = pte_offset_kernel(pmd, address); in spurious_kernel_fault()
1138 bool fault_in_kernel_space(unsigned long address) in fault_in_kernel_space() argument
1141 * On 64-bit systems, the vsyscall page is at an address above in fault_in_kernel_space()
1143 * address space. in fault_in_kernel_space()
1145 if (IS_ENABLED(CONFIG_X86_64) && is_vsyscall_vaddr(address)) in fault_in_kernel_space()
1148 return address >= TASK_SIZE_MAX; in fault_in_kernel_space()
1152 * Called for all faults where 'address' is part of the kernel address
1158 unsigned long address) in do_kern_addr_fault() argument
1162 * have no user pages in the kernel portion of the address in do_kern_addr_fault()
1193 if (vmalloc_fault(address) >= 0) in do_kern_addr_fault()
1198 if (is_f00f_bug(regs, hw_error_code, address)) in do_kern_addr_fault()
1202 if (spurious_kernel_fault(hw_error_code, address)) in do_kern_addr_fault()
1217 bad_area_nosemaphore(regs, hw_error_code, address); in do_kern_addr_fault()
1222 * Handle faults in the user portion of the address space. Nothing in here
1232 unsigned long address) in do_user_addr_fault() argument
1247 * corrupts RIP such that it looks like a user address, in do_user_addr_fault()
1251 if (is_errata93(regs, address)) in do_user_addr_fault()
1254 page_fault_oops(regs, error_code, address); in do_user_addr_fault()
1267 pgtable_bad(regs, error_code, address); in do_user_addr_fault()
1271 * pages in the user address space. The odd case here is WRUSS, in do_user_addr_fault()
1283 page_fault_oops(regs, error_code, address); in do_user_addr_fault()
1292 bad_area_nosemaphore(regs, error_code, address); in do_user_addr_fault()
1311 perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); in do_user_addr_fault()
1329 * vsyscall page is at a high address (>PAGE_OFFSET), but is in do_user_addr_fault()
1330 * considered to be part of the user address space. in do_user_addr_fault()
1338 if (is_vsyscall_vaddr(address)) { in do_user_addr_fault()
1339 if (emulate_vsyscall(error_code, regs, address)) in do_user_addr_fault()
1347 vma = lock_vma_under_rcu(mm, address); in do_user_addr_fault()
1355 fault = handle_mm_fault(vma, address, flags | FAULT_FLAG_VMA_LOCK, regs); in do_user_addr_fault()
1370 kernelmode_fixup_or_oops(regs, error_code, address, in do_user_addr_fault()
1378 vma = lock_mm_and_find_vma(mm, address, regs); in do_user_addr_fault()
1380 bad_area_nosemaphore(regs, error_code, address); in do_user_addr_fault()
1389 bad_area_access_error(regs, error_code, address, vma); in do_user_addr_fault()
1406 fault = handle_mm_fault(vma, address, flags, regs); in do_user_addr_fault()
1414 kernelmode_fixup_or_oops(regs, error_code, address, in do_user_addr_fault()
1440 kernelmode_fixup_or_oops(regs, error_code, address, in do_user_addr_fault()
1448 kernelmode_fixup_or_oops(regs, error_code, address, in do_user_addr_fault()
1463 do_sigbus(regs, error_code, address, fault); in do_user_addr_fault()
1465 bad_area_nosemaphore(regs, error_code, address); in do_user_addr_fault()
1474 unsigned long address) in trace_page_fault_entries() argument
1480 trace_page_fault_user(address, regs, error_code); in trace_page_fault_entries()
1482 trace_page_fault_kernel(address, regs, error_code); in trace_page_fault_entries()
1487 unsigned long address) in handle_page_fault() argument
1489 trace_page_fault_entries(regs, error_code, address); in handle_page_fault()
1491 if (unlikely(kmmio_fault(regs, address))) in handle_page_fault()
1494 /* Was the fault on kernel-controlled part of the address space? */ in handle_page_fault()
1495 if (unlikely(fault_in_kernel_space(address))) { in handle_page_fault()
1496 do_kern_addr_fault(regs, error_code, address); in handle_page_fault()
1498 do_user_addr_fault(regs, error_code, address); in handle_page_fault()
1500 * User address page fault handling might have reenabled in handle_page_fault()
1512 unsigned long address = read_cr2(); in DEFINE_IDTENTRY_RAW_ERRORCODE() local
1538 if (kvm_handle_async_pf(regs, (u32)address)) in DEFINE_IDTENTRY_RAW_ERRORCODE()
1544 * be invoked because a kernel fault on a user space address might in DEFINE_IDTENTRY_RAW_ERRORCODE()
1554 handle_page_fault(regs, error_code, address); in DEFINE_IDTENTRY_RAW_ERRORCODE()