1 files changed, 3 insertions, 0 deletions
diff --git a/mm/gup.c b/mm/gup.c
index 39c84a200f06..90ae44f24870 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1009,6 +1009,9 @@ static int check_vma_flags(struct vm_area_struct *vma, unsigned long gup_flags)
 		if (!(vm_flags & VM_WRITE)) {
 			if (!(gup_flags & FOLL_FORCE))
 				return -EFAULT;
+			/* hugetlb does not support FOLL_FORCE|FOLL_WRITE. */
+			if (is_vm_hugetlb_page(vma))
+				return -EFAULT;
 			/*
 			 * We used to let the write,force case do COW in a
 			 * VM_MAYWRITE VM_SHARED !VM_WRITE vma, so ptrace could