Re: NULL pointer dereference in xt_register_target()

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On Thu, Sep 6, 2012 at 12:48 AM, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
> On Wed, Sep 05, 2012 at 05:55:06PM +0200, Eric Dumazet wrote:
>> On Wed, 2012-09-05 at 23:43 +0800, Cong Wang wrote:
>> > Hi, folks,
>> >
>> > The latest net-next tree can't boot due to a NULL ptr def
>> > bug in the kernel, the full backtrack is:
>> >
>> > http://img1.douban.com/view/photo/photo/public/p1697139550.jpg
>> >
>> > the kernel .config file is:
>> >
>> > http://pastebin.com/9YTnkqKN
>> >
>> > I don't have time to look into the issue. If you need other info,
>> > please let me know.
>>
>> It seems xt_nat_init() is called before xt_init(), so xt array is not
>> yet setup.
>
> I have enqueued the following patch to fix this:
>
> http://1984.lsi.us.es/git/nf-next/commit/?id=00545bec9412d130c77f72a08d6c8b6ad21d4a1
> e
> commit 00545bec9412d130c77f72a08d6c8b6ad21d4a1e
> Author: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
> Date:   Wed Sep 5 18:24:55 2012 +0200
>
>     netfilter: fix crash during boot if NAT has been compiled built-in
>

Yeah, this indeed fixes the bug.

Please push it to net-next as soon as possible?

Thanks!
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