Date: Wed, 18 Apr 2012 17:13:27 GMT From: Brian Jones <bjones@alacritech.com> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/167068: memory leak in authunix_create_default() Message-ID: <201204181713.q3IHDRIS011917@red.freebsd.org> Resent-Message-ID: <201204181720.q3IHK4K3058096@freefall.freebsd.org>
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>Number: 167068
>Category: misc
>Synopsis: memory leak in authunix_create_default()
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Apr 18 17:20:04 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator: Brian Jones
>Release: 8.0, 8.2, 9.0
>Organization:
Alacritech, Inc
>Environment:
FreeBSD nameserver.alacritech.com 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:02:08 UTC 2009 root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64
>Description:
In src/lib/libc/rpc/auth_unix.c:authunix_create_default(), gids is never freed.
>How-To-Repeat:
compile and run this test program: Monitor RSS with ps.
----PGM_START----
#include <stdio.h>
#include <rpc/rpc.h>
main()
{
AUTH *auth;
for(;;) {
auth = authunix_create_default();
auth_destroy(auth);
}
return(0);
}
----PGM_END----
>Fix:
diff 8.0/src/lib/libc/rpc/auth_unix.c local/src/lib/libc/rpc/auth_unix.c
193a194
> AUTH *au;
210,211c211,214
< return (authunix_create(machname, (int)uid, (int)gid, ngids,
< (int *)gids));
---
> au = authunix_create(machname, (int)uid, (int)gid, ngids,
> (int *)gids);
> free(gids);
> return au;
>Release-Note:
>Audit-Trail:
>Unformatted:
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