2015-11-04, 07:23:14 -0800, Eric Dumazet wrote:
> On Wed, 2015-11-04 at 14:47 +0100, Sabrina Dubroca wrote:
> > In ipv6_add_dev, when addrconf_sysctl_register fails, we do not clean up
> > the dev_snmp6 entry that we have already registered for this device.
> > Call snmp6_unregister_dev in this case.
> >
> > Reported-by: Dmitry Vyukov <dvyu...@google.com>
> > Signed-off-by: Sabrina Dubroca <s...@queasysnail.net>
> > ---
> >
> > v2: we cannot call snmp6_unregister_dev from addrconf_core.c, this
> > breaks CONFIG_IPV6=m, instead do the clean up directly from
> > ipv6_add_dev
> > thanks Cong.
>
> Any idea when the bug was added ?
>
> Can we please add a proper Fixes: tag for patches that need to be
> backported to stable versions ?
>
> It seems to be
>
> Fixes: a317a2f19da7d ("ipv6: fail early when creating netdev named all or
> default")
>
> So this goes back to linux-3.17 ?
>
> Thanks a lot Sabrina !
Sorry, I didn't do the archeology (well, run git blame). That looks
correct, thanks Eric.
--
Sabrina
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