Re: [PATCH] bonding: Fix use after free in unregister path

Jeff Garzik
2007-06-20T23:13:23Z

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