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Message-Id: <20010430220719.G4351-100000@skippyii.compar.com>
Date: Mon, 30 Apr 2001 22:07:52 -0400 (EDT)
From: "GSI Computer Services (Matt Emmerton)" <gsi@skippyii.compar.com>
To: <FreeBSD-gnats-submit@freebsd.org>
Subject: bin/27001: Memory leak in usr.sbin/arp/arp.c
Sender: owner-freebsd-bugs@FreeBSD.ORG
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>Number:         27001
>Category:       bin
>Synopsis:       repetitive useage of arp will leak memory
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Apr 30 19:10:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Matt Emmerton
>Release:        FreeBSD 4.3-STABLE i386
>Organization:
GSI Computer Services
>Environment:

gabby.gsicomp.on.ca 4.3-RC FreeBSD 4.3-RC #1: Wed Apr 11 00:54:11 EDT 2001

>Description:

In the function search() of arp.c, malloc() is called without a
corresponding free() statement.

Props to 'alex' (ml-freebsd-net@phobgate.de) for pointing this out.

>How-To-Repeat:

Use 'arp' many times and notice that memory usage increases.

>Fix:

--- usr.sbin/arp/arp.c.orig Mon Apr 30 21:42:18 2001
+++ usr.sbin/arp/arp.c Mon Apr 30 21:42:50 2001
@@ -460,6 +460,7 @@
  }
  (*action)(sdl, sin, rtm);
  }
+ free(buf);
 }

 /*


>Release-Note:
>Audit-Trail:
>Unformatted:

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