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Diffstat (limited to 'arch/x86/mm/fault.c')
-rw-r--r--arch/x86/mm/fault.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 027088f2f7dd..fb674fd3fc22 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -748,13 +748,15 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
748 return; 748 return;
749 } 749 }
750#endif 750#endif
751 /* Kernel addresses are always protection faults: */
752 if (address >= TASK_SIZE)
753 error_code |= PF_PROT;
751 754
752 if (unlikely(show_unhandled_signals)) 755 if (likely(show_unhandled_signals))
753 show_signal_msg(regs, error_code, address, tsk); 756 show_signal_msg(regs, error_code, address, tsk);
754 757
755 /* Kernel addresses are always protection faults: */
756 tsk->thread.cr2 = address; 758 tsk->thread.cr2 = address;
757 tsk->thread.error_code = error_code | (address >= TASK_SIZE); 759 tsk->thread.error_code = error_code;
758 tsk->thread.trap_nr = X86_TRAP_PF; 760 tsk->thread.trap_nr = X86_TRAP_PF;
759 761
760 force_sig_info_fault(SIGSEGV, si_code, address, tsk, 0); 762 force_sig_info_fault(SIGSEGV, si_code, address, tsk, 0);