HID: roccat: potential out of bounds in pyra_sysfs_write_settings()

[cascardo/linux.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index 0b3f6c7..4b5a282 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2627,7 +2627,7 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
                return VM_FAULT_SIGBUS;
 
        /* Use the zero-page for reads */
-       if (!(flags & FAULT_FLAG_WRITE)) {
+       if (!(flags & FAULT_FLAG_WRITE) && !mm_forbids_zeropage(mm)) {
                entry = pte_mkspecial(pfn_pte(my_zero_pfn(address),
                                                vma->vm_page_prot));
                page_table = pte_offset_map_lock(mm, pmd, address, &ptl);