vm: make stack guard page errors return VM_FAULT_SIGSEGV rather than SIGBUS

[karo-tx-linux.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index 54f3a9b0095600749fda793d7e6067bd2c7f997d..2c3536cc6c6327c9c3e58eddf75c264ddaa11911 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2632,7 +2632,7 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
 
        /* Check if we need to add a guard page to the stack */
        if (check_stack_guard_page(vma, address) < 0)
-               return VM_FAULT_SIGBUS;
+               return VM_FAULT_SIGSEGV;
 
        /* Use the zero-page for reads */
        if (!(flags & FAULT_FLAG_WRITE) && !mm_forbids_zeropage(mm)) {