From: Jeff Garzik <jeff@garzik.org>
To: Jay Vosburgh <fubar@us.ibm.com>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>,
"David S. Miller" <davem@davemloft.net>,
Dan Aloni <da-x@monatomic.org>,
Chad Tindel <ctindel@users.sourceforge.net>,
Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>,
netdev@vger.kernel.org,
linux-kernel <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
bonding-devel@lists.sourceforge.net
Subject: Re: [PATCH] bonding: Fix use after free in unregister path
Date: Wed, 20 Jun 2007 19:12:54 -0400 [thread overview]
Message-ID: <4679B476.9060503@garzik.org> (raw)
In-Reply-To: <24302.1182276732@death>
Jay Vosburgh wrote:
> The following patch (based on a patch from Stephen Hemminger
> <shemminger@linux-foundation.org>) removes use after free conditions in
> the unregister path for the bonding master. Without this patch, an
> operation of the form "echo -bond0 > /sys/class/net/bonding_masters"
> would trigger a NULL pointer dereference in sysfs. I was not able to
> induce the failure with the non-sysfs code path, but for consistency I
> updated that code as well.
>
> I also did some testing of the bonding /proc file being open
> while the bond is being deleted, and didn't see any problems there.
>
> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
applied to #upstream-fixes
next prev parent reply other threads:[~2007-06-20 23:13 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-11 5:40 [BUG][PATCH] Fix race condition about network device name allocation Kenji Kaneshige
2007-05-11 15:50 ` Stephen Hemminger
2007-05-11 16:25 ` Stephen Hemminger
2007-05-14 1:33 ` Kenji Kaneshige
2007-05-14 15:41 ` Stephen Hemminger
2007-05-14 8:17 ` Kenji Kaneshige
2007-05-14 15:58 ` [PATCH] " Stephen Hemminger
2007-06-13 9:45 ` Dan Aloni
2007-06-13 16:36 ` Stephen Hemminger
2007-06-14 6:07 ` Dan Aloni
2007-06-13 22:53 ` Stephen Hemminger
2007-06-14 4:36 ` Jay Vosburgh
2007-06-19 15:23 ` Why is this patch not in 2.6.22-rc5? Stephen Hemminger
2007-06-19 17:52 ` Jeff Garzik
2007-06-19 18:12 ` [PATCH] bonding: Fix use after free in unregister path Jay Vosburgh
2007-06-20 23:12 ` Jeff Garzik [this message]
2007-06-21 0:09 ` Chris Wright
2007-06-19 22:04 ` Why is this patch not in 2.6.22-rc5? David Miller
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