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Date:	Wed, 20 Jun 2007 19:12:54 -0400
From:	Jeff Garzik <>
To:	Jay Vosburgh <>
CC:	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

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

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