On Mon, Oct 13, 2014 at 12:01 PM, Josh Boyer <jwboyer@xxxxxxxxxxxxxxxxx> wrote:
> On Mon, Oct 13, 2014 at 11:55 AM, Florian Westphal <fw@xxxxxxxxx> wrote:
>> Josh Boyer <jwboyer@xxxxxxxxxxxxxxxxx> wrote:
>>> On Thu, Oct 9, 2014 at 2:27 PM, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
>>> > nf_send_reset6() now resides in net/ipv6/netfilter/nf_reject_ipv6.c
>>> >
>>> > Fixes: c8d7b98 ("netfilter: move nf_send_resetX() code to nf_reject_ipvX modules")
>>> > Reported-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>
>>> > Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
>>> > Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>
>>> > ---
>>> > include/net/netfilter/ipv6/nf_reject.h | 157 +-------------------------------
>>> > 1 file changed, 2 insertions(+), 155 deletions(-)
>>>
>>> Hi All,
>>>
>>> This morning I was testing a kernel build from Linus' tree as of Linux
>>> v3.17-7639-g90eac7eee2f4. When I rebooted my test machines, I
>>> couldn't ssh back into any of them. I poked around a bit and noticed
>>> that it seems the iptables rules weren't getting loaded properly.
>>> Traffic out worked fine, and I could ping the machine, but other
>>> incoming traffic was blocked. Then I saw that the ip6t_REJECT and
>>> ip6t_rpfilter modules were not being loaded on the bad kernel.
>>> Looking in dmesg I see:
>>>
>>> [ 14.619028] nf_reject_ipv6: module license 'unspecified' taints kernel.
>>> [ 14.619125] nf_reject_ipv6: Unknown symbol ip6_local_out (err 0)
>>
>> Ouch. ip6_local_is EXPORT_SYMBOL_GPL.
>>
>> http://patchwork.ozlabs.org/patch/398501/
>>
>> should fix this.
>
> I believe you're correct. I dug in some more and I was just about to
> send a similar patch. I'll add it on top of my builds and test it
> out. Thanks for the pointer.
The patch you pointed to does indeed fix the issues I was seeing.
Thank you very much for the fast response.
josh
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