1 files changed, 4 insertions, 2 deletions

diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index 14ef7cceb208..d8b1b4ac7f26 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -146,9 +146,11 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
 #               error File is out of sync with <linux/mm.h>.  Please update.
 #       endif
 
+        if (((isr >> IA64_ISR_R_BIT) & 1UL) && (!(vma->vm_flags & (VM_READ | VM_WRITE))))
+                goto bad_area;
+
         mask = (  (((isr >> IA64_ISR_X_BIT) & 1UL) << VM_EXEC_BIT)
-                | (((isr >> IA64_ISR_W_BIT) & 1UL) << VM_WRITE_BIT)
-                | (((isr >> IA64_ISR_R_BIT) & 1UL) << VM_READ_BIT));
+                | (((isr >> IA64_ISR_W_BIT) & 1UL) << VM_WRITE_BIT));
 
         if ((vma->vm_flags & mask) != mask)
                 goto bad_area;