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Date:	Wed, 20 Jun 2007 17:09:00 -0700
From:	Chris Wright <>
To:	Jeff Garzik <>
Cc:	Jay Vosburgh <>,
	Stephen Hemminger <>,
	"David S. Miller" <>,
	Dan Aloni <>,
	Chad Tindel <>,
	Kenji Kaneshige <>,,
	linux-kernel <>,
	Andrew Morton <>,
Subject: Re: [PATCH] bonding: Fix use after free in unregister path

* Jeff Garzik ( wrote:
> Jay Vosburgh wrote:
> >	The following patch (based on a patch from Stephen Hemminger
> ><>) 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 <>
> applied to #upstream-fixes

This was originally discovered on IIRC, so plan to send this
to -stable as well?

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