diff options
Diffstat (limited to 'arch/x86/mm/fault_32.c')
| -rw-r--r-- | arch/x86/mm/fault_32.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/mm/fault_32.c b/arch/x86/mm/fault_32.c index b1893eb..421e276 100644 --- a/arch/x86/mm/fault_32.c +++ b/arch/x86/mm/fault_32.c @@ -404,7 +404,8 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) * protection error (error_code & 9) == 0. */ if (unlikely(address >= TASK_SIZE)) { - if (!(error_code & 0x0000000d) && vmalloc_fault(address) >= 0) + if (!(error_code & (PF_RSVD|PF_USER|PF_PROT)) && + vmalloc_fault(address) >= 0) return; if (notify_page_fault(regs)) return; @@ -603,7 +604,7 @@ no_context: __typeof__(pte_val(__pte(0))) page; #ifdef CONFIG_X86_PAE - if (error_code & 16) { + if (error_code & PF_INSTR) { pte_t *pte = lookup_address(address); if (pte && pte_present(*pte) && !pte_exec_kernel(*pte)) @@ -674,7 +675,7 @@ out_of_memory: goto survive; } printk("VM: killing process %s\n", tsk->comm); - if (error_code & 4) + if (error_code & PF_USER) do_group_exit(SIGKILL); goto no_context; |