1 files changed, 5 insertions, 0 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 6ecdf0671b81..6a22f3ad9b84 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -799,6 +799,11 @@ static int do_mprotect_pkey(unsigned long start, size_t len,
 			break;
 		}
 
+		if (map_deny_write_exec(vma, newflags)) {
+			error = -EACCES;
+			goto out;
+		}
+
 		/* Allow architectures to sanity-check the new flags */
 		if (!arch_validate_flags(newflags)) {
 			error = -EINVAL;