Okay, this is good information. I will look into it now.
Thanks,
--Qing
> -Original Message-
> From: Ryan Stone [mailto:ryst...@gmail.com]
> Sent: Thursday, April 26, 2012 7:03 AM
> To: Li, Qing
> Cc: freebsd-net
> Subject: Re: Removing an IPv6 address does not rem
On Wed, Apr 25, 2012 at 3:59 AM, Li, Qing wrote:
> The patch is located at
>
> http://people.freebsd.org/~qingli/nd6_prefix.diff
>
> Please give it a try. I did only basic testing as of now and
> will do more tomorrow.
>
> --Qing
I tested this last night. Unfortunately this seems to be vulnera
alf Of Li, Qing
> Sent: Tuesday, April 10, 2012 5:43 PM
> To: Ryan Stone
> Cc: freebsd-net
> Subject: RE: Removing an IPv6 address does not remove NDP entries on
> that subnet
>
> >
> > [rstone@vm-head ~]ndp -a
> > Neighbor Linkl
>
> [rstone@vm-head ~]ndp -a
> Neighbor Linklayer Address Netif ExpireS
> Flags
> 1::2 08:00:27:1e:b8:16em0 7sR
> fe80::a00:27ff:fefa:8732%em0 08:00:27:fa:87:32em0 permanent R
> rstone@vm-head ~]uname -a
> Fre
On Mon, Apr 9, 2012 at 9:08 PM, Li, Qing wrote:
> I have not followed this thread closely from the beginning, so let me confirm.
>
> Are you reporting multiple bugs: 1) ndp entries remain after the removal of
> an address (according to the thread title), and 2) you believe there is a
> race condi
-Qing
From: Ryan Stone [ryst...@gmail.com]
Sent: Monday, April 09, 2012 4:50 PM
To: Li, Qing
Cc: freebsd-net
Subject: Re: Removing an IPv6 address does not remove NDP entries on that subnet
On Mon, Apr 9, 2012 at 5:46 PM, Li, Qing wrote:
> Could you plea
On Mon, Apr 9, 2012 at 5:46 PM, Li, Qing wrote:
> Could you please share with me a call path that you believe is
> problematic, or a simple test case that uncovers the issue ?
I cannot because it is literally impossible for
in6_lltable_prefix_free() to ever be called.
test case that uncovers the issue ?
--Qing
> -Original Message-
> From: owner-freebsd-...@freebsd.org [mailto:owner-freebsd-
> n...@freebsd.org] On Behalf Of Li, Qing
> Sent: Monday, April 02, 2012 10:54 AM
> To: Ryan Stone
> Cc: freebsd-net
> Subject: RE: Removing
>
> On Fri, Mar 30, 2012 at 12:28 AM, Li, Qing wrote:
> >> * In a way this is a good thing as in6_lltable_prefix_free() is
> >> guaranteed to crash your kernel in two different ways, and that's
> not
> >> counting the race conditions that it's subject to.
> >>
> >
> > Could you please elab
On Fri, Mar 30, 2012 at 12:28 AM, Li, Qing wrote:
>> * In a way this is a good thing as in6_lltable_prefix_free() is
>> guaranteed to crash your kernel in two different ways, and that's not
>> counting the race conditions that it's subject to.
>>
>
> Could you please elaborate with some det
>
> Currently, if you remove an IPv4 address from an interface, all ARP
> cache entries on its subnet are invalidated. However, the same thing
> is not done for NDP cache entries when an IPv6 address is removed*.
> Is this correct behaviour? It seems weird to have IPv4 and IPv6
> behave differen
Currently, if you remove an IPv4 address from an interface, all ARP
cache entries on its subnet are invalidated. However, the same thing
is not done for NDP cache entries when an IPv6 address is removed*.
Is this correct behaviour? It seems weird to have IPv4 and IPv6
behave differently.
* In a
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