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From: Chris Wright <chrisw@osdl.org>
To: David Yu Chen <dychen@stanford.edu>
Cc: linux-kernel@vger.kernel.org, mc@cs.stanford.edu, sds@epoch.ncsc.mil
Subject: Re: [CHECKER] 32 Memory Leaks on Error Paths
Date: Fri, 19 Sep 2003 16:04:39 -0700	[thread overview]
Message-ID: <20030919160439.J27079@osdlab.pdx.osdl.net> (raw)
In-Reply-To: <200309160435.h8G4ZkQM009953@elaine4.Stanford.EDU>; from dychen@stanford.edu on Mon, Sep 15, 2003 at 09:35:46PM -0700

* David Yu Chen (dychen@stanford.edu) wrote:
> [FILE:  2.6.0-test5/security/selinux/ss/policydb.c]
> START -->
> 1232:			c = kmalloc(sizeof(*c), GFP_KERNEL);
> 1233:			if (!c) {
> 1234:				rc = -ENOMEM;
> 1235:				goto bad;
> 1236:			}
> 1237:			memset(c, 0, sizeof(*c));
>         ... DELETED 182 lines ...

You missed a reference to the context is stored in the policydb:
			p->ocontexts[i] = c;
> END -->
> 1427:	return rc;
> 1428:bad:
> 1429:	policydb_destroy(p);

The policydb is destroyed on error, which will free the context.  I
don't think this is a bug.

thanks,
-chris
-- 
Linux Security Modules     http://lsm.immunix.org     http://lsm.bkbits.net

  parent reply	other threads:[~2003-09-19 23:09 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-09-16  4:35 David Yu Chen
2003-09-16  6:40 ` Neil Brown
2003-09-16  6:55 ` Jörn Engel
2003-09-16  7:21   ` [PATCH] fix memleak in fs/jffs2/scan.c (was: re: [CHECKER] 32 Memory Leaks on Error Paths) Jörn Engel
2003-09-16  7:32   ` [CHECKER] 32 Memory Leaks on Error Paths Jörn Engel
2003-09-16  8:51   ` Jörn Engel
2003-09-16 14:52   ` Timothy Miller
2003-09-16 15:02     ` Wade
2003-09-16 15:04     ` Valdis.Kletnieks
2003-09-16 15:04     ` Nick Piggin
2003-09-16  8:45 ` Wade
2003-09-16  8:56   ` Jörn Engel
2003-09-16 12:10   ` Andries Brouwer
2003-09-16  9:07 ` Jörn Engel
2003-09-20  7:58   ` David S. Miller
2003-09-16  9:48 ` [PATCH] bttv-risc.c (was: Re: [CHECKER] 32 Memory Leaks on Error Paths) Wade
2003-09-16 10:18 ` [PATCH] fix memleak in emu10k1/midi.c " Wade
2003-09-16 12:03 ` [CHECKER] 32 Memory Leaks on Error Paths Andries Brouwer
2003-09-19 23:03 ` Chris Wright
2003-09-19 23:04 ` Chris Wright
2003-09-19 23:04 ` Chris Wright [this message]
2003-09-19 23:04 ` Chris Wright
2003-09-23 13:15   ` Stephen Smalley
2003-09-23 18:02     ` Chris Wright
2003-09-22 22:54 ` Chris Wright
2003-09-22 22:55 ` Chris Wright
2003-09-22 22:55 ` Chris Wright
2003-09-23 20:13 ` Chris Wright
2003-09-23 20:25   ` Greg KH
2003-09-23 21:38     ` Chris Wright
2003-09-23 22:14     ` Chris Wright
2003-09-24  0:17       ` Greg KH
2003-09-23 20:14 ` Chris Wright
2003-09-23 20:14 ` Chris Wright
2003-09-23 20:21   ` Jean Tourrilhes
2003-09-23 20:24     ` Chris Wright
2003-09-23 20:14 ` Chris Wright
2003-09-23 20:15 ` Chris Wright
2003-09-24  7:08 ` David Howells
     [not found] <20030923140503.N20572@osdlab.pdx.osdl.net>
2003-09-24  4:13 ` Pete Zaitcev
2003-09-24 12:49   ` Alan Cox
2003-09-24 16:38     ` Pete Zaitcev
2003-09-29 17:48   ` Marcelo Tosatti
2003-09-29 17:54     ` Pete Zaitcev
2003-11-06  0:58     ` Pete Zaitcev

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