Lines Matching full:address
176 static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address) in vmalloc_sync_one() argument
178 unsigned index = pgd_index(address); in vmalloc_sync_one()
195 p4d = p4d_offset(pgd, address); in vmalloc_sync_one()
196 p4d_k = p4d_offset(pgd_k, address); in vmalloc_sync_one()
200 pud = pud_offset(p4d, address); in vmalloc_sync_one()
201 pud_k = pud_offset(p4d_k, address); in vmalloc_sync_one()
205 pmd = pmd_offset(pud, address); in vmalloc_sync_one()
206 pmd_k = pmd_offset(pud_k, address); in vmalloc_sync_one()
233 static noinline int vmalloc_fault(unsigned long address) in vmalloc_fault() argument
240 if (!(address >= VMALLOC_START && address < VMALLOC_END)) in vmalloc_fault()
251 pmd_k = vmalloc_sync_one(__va(pgd_paddr), address); in vmalloc_fault()
258 pte_k = pte_offset_kernel(pmd_k, address); in vmalloc_fault()
295 static void dump_pagetable(unsigned long address) in dump_pagetable() argument
298 pgd_t *pgd = &base[pgd_index(address)]; in dump_pagetable()
312 p4d = p4d_offset(pgd, address); in dump_pagetable()
313 pud = pud_offset(p4d, address); in dump_pagetable()
314 pmd = pmd_offset(pud, address); in dump_pagetable()
327 pte = pte_offset_kernel(pmd, address); in dump_pagetable()
351 static void dump_pagetable(unsigned long address) in dump_pagetable() argument
354 pgd_t *pgd = base + pgd_index(address); in dump_pagetable()
368 p4d = p4d_offset(pgd, address); in dump_pagetable()
376 pud = pud_offset(p4d, address); in dump_pagetable()
384 pmd = pmd_offset(pud, address); in dump_pagetable()
392 pte = pte_offset_kernel(pmd, address); in dump_pagetable()
420 static int is_errata93(struct pt_regs *regs, unsigned long address) in is_errata93() argument
430 if (address != regs->ip) in is_errata93()
433 if ((address >> 32) != 0) in is_errata93()
436 address |= 0xffffffffUL << 32; in is_errata93()
437 if ((address >= (u64)_stext && address <= (u64)_etext) || in is_errata93()
438 (address >= MODULES_VADDR && address <= MODULES_END)) { in is_errata93()
440 regs->ip = address; in is_errata93()
455 static int is_errata100(struct pt_regs *regs, unsigned long address) in is_errata100() argument
458 if ((regs->cs == __USER32_CS || (regs->cs & (1<<2))) && (address >> 32)) in is_errata100()
466 unsigned long address) in is_f00f_bug() argument
470 idt_is_f00f_address(address)) { in is_f00f_bug()
494 if (copy_from_kernel_nofault(&desc, (void *)(gdt->address + offset), in show_ldttss()
510 show_fault_oops(struct pt_regs *regs, unsigned long error_code, unsigned long address) in show_fault_oops() argument
522 pgd += pgd_index(address); in show_fault_oops()
524 pte = lookup_address_in_pgd_attr(pgd, address, &level, &nx, &rw); in show_fault_oops()
536 if (address < PAGE_SIZE && !user_mode(regs)) in show_fault_oops()
537 pr_alert("BUG: kernel NULL pointer dereference, address: %px\n", in show_fault_oops()
538 (void *)address); in show_fault_oops()
540 pr_alert("BUG: unable to handle page fault for address: %px\n", in show_fault_oops()
541 (void *)address); in show_fault_oops()
576 idt.address, idt.size, gdt.address, gdt.size); in show_fault_oops()
585 dump_pagetable(address); in show_fault_oops()
588 snp_dump_hva_rmpentry(address); in show_fault_oops()
593 unsigned long address) in pgtable_bad() argument
603 printk(KERN_ALERT "%s: Corrupted page table at address %lx\n", in pgtable_bad()
604 tsk->comm, address); in pgtable_bad()
605 dump_pagetable(address); in pgtable_bad()
613 static void sanitize_error_code(unsigned long address, in sanitize_error_code() argument
625 if (address >= TASK_SIZE_MAX) in sanitize_error_code()
629 static void set_signal_archinfo(unsigned long address, in set_signal_archinfo() argument
636 tsk->thread.cr2 = address; in set_signal_archinfo()
641 unsigned long address) in page_fault_oops() argument
663 if (is_vmalloc_addr((void *)address) && in page_fault_oops()
664 get_stack_guard_info((void *)address, &info)) { in page_fault_oops()
678 , [arg1] "r" (regs), [arg2] "r" (address), [arg3] "r" (&info)); in page_fault_oops()
690 efi_crash_gracefully_on_page_fault(address); in page_fault_oops()
694 kfence_handle_page_fault(address, error_code & X86_PF_WRITE, regs)) in page_fault_oops()
704 show_fault_oops(regs, error_code, address); in page_fault_oops()
714 printk(KERN_DEFAULT "CR2: %016lx\n", address); in page_fault_oops()
721 unsigned long address, int signal, int si_code, in kernelmode_fixup_or_oops() argument
727 if (fixup_exception(regs, X86_TRAP_PF, error_code, address)) in kernelmode_fixup_or_oops()
734 if (is_prefetch(regs, error_code, address)) in kernelmode_fixup_or_oops()
737 page_fault_oops(regs, error_code, address); in kernelmode_fixup_or_oops()
746 unsigned long address, struct task_struct *tsk) in show_signal_msg() argument
759 loglvl, tsk->comm, task_pid_nr(tsk), address, in show_signal_msg()
779 unsigned long address, u32 pkey, int si_code) in __bad_area_nosemaphore() argument
784 kernelmode_fixup_or_oops(regs, error_code, address, in __bad_area_nosemaphore()
791 page_fault_oops(regs, error_code, address); in __bad_area_nosemaphore()
805 if (is_prefetch(regs, error_code, address)) in __bad_area_nosemaphore()
808 if (is_errata100(regs, address)) in __bad_area_nosemaphore()
811 sanitize_error_code(address, &error_code); in __bad_area_nosemaphore()
813 if (fixup_vdso_exception(regs, X86_TRAP_PF, error_code, address)) in __bad_area_nosemaphore()
817 show_signal_msg(regs, error_code, address, tsk); in __bad_area_nosemaphore()
819 set_signal_archinfo(address, error_code); in __bad_area_nosemaphore()
822 force_sig_pkuerr((void __user *)address, pkey); in __bad_area_nosemaphore()
824 force_sig_fault(SIGSEGV, si_code, (void __user *)address); in __bad_area_nosemaphore()
831 unsigned long address) in bad_area_nosemaphore() argument
833 __bad_area_nosemaphore(regs, error_code, address, 0, SEGV_MAPERR); in bad_area_nosemaphore()
838 unsigned long address, struct mm_struct *mm, in __bad_area() argument
850 __bad_area_nosemaphore(regs, error_code, address, pkey, si_code); in __bad_area()
872 unsigned long address, struct mm_struct *mm, in bad_area_access_error() argument
903 __bad_area(regs, error_code, address, mm, vma, pkey, SEGV_PKUERR); in bad_area_access_error()
905 __bad_area(regs, error_code, address, mm, vma, 0, SEGV_ACCERR); in bad_area_access_error()
910 do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address, in do_sigbus() argument
915 kernelmode_fixup_or_oops(regs, error_code, address, in do_sigbus()
921 if (is_prefetch(regs, error_code, address)) in do_sigbus()
924 sanitize_error_code(address, &error_code); in do_sigbus()
926 if (fixup_vdso_exception(regs, X86_TRAP_PF, error_code, address)) in do_sigbus()
929 set_signal_archinfo(address, error_code); in do_sigbus()
938 tsk->comm, tsk->pid, address); in do_sigbus()
943 force_sig_mceerr(BUS_MCEERR_AR, (void __user *)address, lsb); in do_sigbus()
947 force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address); in do_sigbus()
983 spurious_kernel_fault(unsigned long error_code, unsigned long address) in spurious_kernel_fault() argument
1005 pgd = init_mm.pgd + pgd_index(address); in spurious_kernel_fault()
1009 p4d = p4d_offset(pgd, address); in spurious_kernel_fault()
1016 pud = pud_offset(p4d, address); in spurious_kernel_fault()
1023 pmd = pmd_offset(pud, address); in spurious_kernel_fault()
1030 pte = pte_offset_kernel(pmd, address); in spurious_kernel_fault()
1118 bool fault_in_kernel_space(unsigned long address) in fault_in_kernel_space() argument
1121 * On 64-bit systems, the vsyscall page is at an address above in fault_in_kernel_space()
1123 * address space. in fault_in_kernel_space()
1125 if (IS_ENABLED(CONFIG_X86_64) && is_vsyscall_vaddr(address)) in fault_in_kernel_space()
1128 return address >= TASK_SIZE_MAX; in fault_in_kernel_space()
1132 * Called for all faults where 'address' is part of the kernel address
1138 unsigned long address) in do_kern_addr_fault() argument
1142 * have no user pages in the kernel portion of the address in do_kern_addr_fault()
1173 if (vmalloc_fault(address) >= 0) in do_kern_addr_fault()
1178 if (is_f00f_bug(regs, hw_error_code, address)) in do_kern_addr_fault()
1182 if (spurious_kernel_fault(hw_error_code, address)) in do_kern_addr_fault()
1197 bad_area_nosemaphore(regs, hw_error_code, address); in do_kern_addr_fault()
1202 * Handle faults in the user portion of the address space. Nothing in here
1212 unsigned long address) in do_user_addr_fault() argument
1227 * corrupts RIP such that it looks like a user address, in do_user_addr_fault()
1231 if (is_errata93(regs, address)) in do_user_addr_fault()
1234 page_fault_oops(regs, error_code, address); in do_user_addr_fault()
1247 pgtable_bad(regs, error_code, address); in do_user_addr_fault()
1251 * pages in the user address space. The odd case here is WRUSS, in do_user_addr_fault()
1263 page_fault_oops(regs, error_code, address); in do_user_addr_fault()
1272 bad_area_nosemaphore(regs, error_code, address); in do_user_addr_fault()
1278 bad_area_nosemaphore(regs, error_code, address); in do_user_addr_fault()
1284 perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); in do_user_addr_fault()
1310 * vsyscall page is at a high address (>PAGE_OFFSET), but is in do_user_addr_fault()
1311 * considered to be part of the user address space. in do_user_addr_fault()
1319 if (is_vsyscall_vaddr(address)) { in do_user_addr_fault()
1320 if (emulate_vsyscall(error_code, regs, address)) in do_user_addr_fault()
1328 vma = lock_vma_under_rcu(mm, address); in do_user_addr_fault()
1333 bad_area_access_error(regs, error_code, address, NULL, vma); in do_user_addr_fault()
1337 fault = handle_mm_fault(vma, address, flags | FAULT_FLAG_VMA_LOCK, regs); in do_user_addr_fault()
1352 kernelmode_fixup_or_oops(regs, error_code, address, in do_user_addr_fault()
1360 vma = lock_mm_and_find_vma(mm, address, regs); in do_user_addr_fault()
1362 bad_area_nosemaphore(regs, error_code, address); in do_user_addr_fault()
1371 bad_area_access_error(regs, error_code, address, mm, vma); in do_user_addr_fault()
1388 fault = handle_mm_fault(vma, address, flags, regs); in do_user_addr_fault()
1396 kernelmode_fixup_or_oops(regs, error_code, address, in do_user_addr_fault()
1422 kernelmode_fixup_or_oops(regs, error_code, address, in do_user_addr_fault()
1430 kernelmode_fixup_or_oops(regs, error_code, address, in do_user_addr_fault()
1445 do_sigbus(regs, error_code, address, fault); in do_user_addr_fault()
1447 bad_area_nosemaphore(regs, error_code, address); in do_user_addr_fault()
1456 unsigned long address) in trace_page_fault_entries() argument
1462 trace_page_fault_user(address, regs, error_code); in trace_page_fault_entries()
1464 trace_page_fault_kernel(address, regs, error_code); in trace_page_fault_entries()
1469 unsigned long address) in handle_page_fault() argument
1471 trace_page_fault_entries(regs, error_code, address); in handle_page_fault()
1473 if (unlikely(kmmio_fault(regs, address))) in handle_page_fault()
1476 /* Was the fault on kernel-controlled part of the address space? */ in handle_page_fault()
1477 if (unlikely(fault_in_kernel_space(address))) { in handle_page_fault()
1478 do_kern_addr_fault(regs, error_code, address); in handle_page_fault()
1480 do_user_addr_fault(regs, error_code, address); in handle_page_fault()
1482 * User address page fault handling might have reenabled in handle_page_fault()
1495 unsigned long address; in DEFINE_IDTENTRY_RAW_ERRORCODE() local
1497 address = cpu_feature_enabled(X86_FEATURE_FRED) ? fred_event_data(regs) : read_cr2(); in DEFINE_IDTENTRY_RAW_ERRORCODE()
1522 if (kvm_handle_async_pf(regs, (u32)address)) in DEFINE_IDTENTRY_RAW_ERRORCODE()
1528 * be invoked because a kernel fault on a user space address might in DEFINE_IDTENTRY_RAW_ERRORCODE()
1538 handle_page_fault(regs, error_code, address); in DEFINE_IDTENTRY_RAW_ERRORCODE()