Don't crash dumping malloc stats if malloc_init hasn't been called, noted by

David CARLIER

1 files changed, 3 insertions, 1 deletions

diff --git a/src/lib/libc/stdlib/malloc.c b/src/lib/libc/stdlib/malloc.c
index 23e076bdaf..e8e55c079e 100644
--- a/src/lib/libc/stdlib/malloc.c
+++ b/src/lib/libc/stdlib/malloc.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: malloc.c,v 1.180 2016/01/06 17:57:22 tedu Exp $       */
+/*      $OpenBSD: malloc.c,v 1.181 2016/01/26 15:44:28 otto Exp $       */
 /*
  * Copyright (c) 2008, 2010, 2011 Otto Moerbeek <otto@drijf.net>
  * Copyright (c) 2012 Matthew Dempsky <matthew@openbsd.org>
@@ -1910,6 +1910,8 @@ malloc_dump(int fd)
         struct region_info *r;
         int saved_errno = errno;
 
+        if (pool == NULL)
+                return;
         for (i = 0; i < MALLOC_DELAYED_CHUNK_MASK + 1; i++) {
                 p = pool->delayed_chunks[i];
                 if (p == NULL)