diff --git a/arch/i386/mm/fault.c b/arch/i386/mm/fault.c index 29d7d61543a1dec88f2e2a1c348e5a696c1e70d2..1ecb3e43b523387388a99e2ed7cccdf0a7cdd131 100644 --- a/arch/i386/mm/fault.c +++ b/arch/i386/mm/fault.c @@ -458,6 +458,11 @@ fastcall void __kprobes do_page_fault(struct pt_regs *regs, bad_area_nosemaphore: /* User mode accesses just cause a SIGSEGV */ if (error_code & 4) { + /* + * It's possible to have interrupts off here. + */ + local_irq_enable(); + /* * Valid to do another page fault here because this one came * from user space. diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c index bfb62a13d7eee005f2b364b159b21096e811ae53..635e58d443d7c555f118cca839656bfad2adb15e 100644 --- a/arch/x86_64/mm/fault.c +++ b/arch/x86_64/mm/fault.c @@ -476,6 +476,12 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, bad_area_nosemaphore: /* User mode accesses just cause a SIGSEGV */ if (error_code & PF_USER) { + + /* + * It's possible to have interrupts off here. + */ + local_irq_enable(); + if (is_prefetch(regs, address, error_code)) return;