2016-08-02  David S. Miller  <davem@davemloft.net>

	* string/test-strncmp.c (do_test_limit): Make sure the test data
	stream is aligned as required for the type "CHAR".
	(do_test): Likewise.

--- a/string/test-strncmp.c
+++ b/string/test-strncmp.c
@@ -156,6 +156,9 @@ do_test_limit (size_t align1, size_t align2, size_t len, size_t n, int max_char,
   size_t i, align_n;
   CHAR *s1, *s2;
 
+  align1 &= ~(CHARBYTES - 1);
+  align2 &= ~(CHARBYTES - 1);
+
   if (n == 0)
     {
       s1 = (CHAR *) (buf1 + page_size);
@@ -204,6 +207,9 @@ do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char,
   size_t i;
   CHAR *s1, *s2;
 
+  align1 &= ~(CHARBYTES - 1);
+  align2 &= ~(CHARBYTES - 1);
+
   if (n == 0)
     return;