From 74589f738efd72e07f759a4aabd2e32613aaefb8 Mon Sep 17 00:00:00 2001
From: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue, 1 Sep 2015 08:35:38 -0700
Subject: [PATCH] Filter out NULL entries.

---
 ChangeLog        | 4 ++++
 malloc/mtrace.pl | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index f4e3d67c11..e4ca925d58 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2015-09-01  Paul Pluzhnikov  <ppluzhnikov@google.com>
+
+	* malloc/mtrace.pl: Filter out NULL entries.
+
 2015-09-01  Joseph Myers  <joseph@codesourcery.com>
 
 	* inet/netinet/in.h (IPPROTO_MPLS): New enum value and macro.
diff --git a/malloc/mtrace.pl b/malloc/mtrace.pl
index 0737890510..6227049d46 100644
--- a/malloc/mtrace.pl
+++ b/malloc/mtrace.pl
@@ -167,7 +167,7 @@ while (<DATA>) {
 		printf ("+ %#0@XXX@x Alloc %d duplicate: %s %s\n",
 			hex($allocaddr), $nr, &location($addrwas{$allocaddr}),
 			$where);
-	    } else {
+	    } elsif ($allocaddr =~ /^0x/) {
 		$allocated{$allocaddr}=$howmuch;
 		$addrwas{$allocaddr}=$where;
 	    }