From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [net-2.6 PATCH] ipv6: fix missing in6_ifa_put in addrconf
Date: Wed, 17 Nov 2010 16:38:00 +0100
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Cc: John Fastabend <john.r.fastabend@intel.com>,
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To: Anders Franzen <Anders.Franzen@ericsson.com>
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Le mercredi 17 novembre 2010 =C3=A0 16:20 +0100, Anders Franzen a =C3=A9=
crit :
> Hi, I was hunting for a bug that a colleague discovered.
> When we exit a network namespace, the ns was hanging with dangling
> references to dev lo.
>=20
> When I saw the patch below, I fetched the latest net-next from Daves
> repository.
>=20
> And the problem is gone. Was this really the fix, since it seems to m=
e
> that this is a fix to a recently added patch (dont remove address ...=
=2E).
>=20
> Did you fix anything else in the Ipv6 addrconf w.r.g dev_hold/dev_put=
?
>=20
> netns still have problems with slab corruption during exit though:
>=20
>  Nov 17 15:00:20 p04 user.err kernel: Slab corruption: size-4096
> start=3Dffff88000612a000, len=3D4096
> Nov 17 15:00:20 p04 user.err kernel: 020: 6b 6b 6b 6b 6b 6b
> Nov 17 15:00:20 p04 user.info kernel:  6b 6b 00 00 00 00 00 00 00
> Nov 17 15:00:20 p04 user.info kernel:  00
>=20
> BR
>   Anders
>=20
>=20

Hi Anders

Several patches of interest :


commit 9d82ca98f71fd686ef2f3017c5e3e6a4871b6e46
(ipv6: fix missing in6_ifa_put in addrconf)

commit 332dd96f7ac15e937088fe11f15cfe0210e8edd1
(net/dst: dst_dev_event() called after other notifiers)

commit ef885afbf8a37689afc1d9d545e2f3e7a8276c17
(net: use rcu_barrier() in rollback_registered_many)