1 files changed, 4 insertions, 0 deletions

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 6001ee6347a9..b5783d81eda9 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1257,6 +1257,10 @@ struct page *follow_trans_huge_pmd(struct vm_area_struct *vma,
         if (flags & FOLL_WRITE && !pmd_write(*pmd))
                 goto out;
 
+        /* Avoid dumping huge zero page */
+        if ((flags & FOLL_DUMP) && is_huge_zero_pmd(*pmd))
+                return ERR_PTR(-EFAULT);
+
         page = pmd_page(*pmd);
         VM_BUG_ON(!PageHead(page));
         if (flags & FOLL_TOUCH) {