2007-12-11  Ulrich Drepper  <drepper@redhat.com>

	* malloc/malloc.c (_int_malloc): sYSMALLOc might fail, in this
	case don't call alloc_perturb.

--- libc/malloc/malloc.c	2 Oct 2007 03:52:03 -0000	1.181
+++ libc/malloc/malloc.c	11 Dec 2007 23:46:31 -0000	1.182
@@ -4515,7 +4515,7 @@ _int_malloc(mstate av, size_t bytes)
     */
     else {
       void *p = sYSMALLOc(nb, av);
-      if (__builtin_expect (perturb_byte, 0))
+      if (p != NULL && __builtin_expect (perturb_byte, 0))
 	alloc_perturb (p, bytes);
       return p;
     }