Re: NULL pointer dereference at 2.6.32-rc8:net/ipv4/ip_fragment.c:566

Re: NULL pointer dereference at 2.6.32-rc8:net/ipv4/ip_fragment.c:566

[Herbert Xu]

David Ford <firefighterblu3@gmail.com> wrote:
>
> hmm.  that shows a patch of code which is just prior to ip_defrag(), i.e.:
> 
>    565 out_fail:
>    566         IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_REASMFAILS);

Looks like a namespace problem.

Please open a bug report on bugzilla.kernel.org to ensure that
this is tracked.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
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Re: NULL pointer dereference at 2.6.32-rc8:net/ipv4/ip_fragment.c:566

[David Ford]

thank you for your reply. my patch has already gone thru dave miller's
git, so i expect it'll show up in -rc9.

cheers,
-david

Herbert Xu wrote:
> David Ford <firefighterblu3@gmail.com> wrote:
>   
>> hmm.  that shows a patch of code which is just prior to ip_defrag(), i.e.:
>>
>>    565 out_fail:
>>    566         IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_REASMFAILS);
>>     
>
> Looks like a namespace problem.
>
> Please open a bug report on bugzilla.kernel.org to ensure that
> this is tracked.
>
> Cheers,
>   

Re: NULL pointer dereference at 2.6.32-rc8:net/ipv4/ip_fragment.c:566

[David Miller]

From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Tue, 1 Dec 2009 12:37:59 +0800

> David Ford <firefighterblu3@gmail.com> wrote:
>>
>> hmm.  that shows a patch of code which is just prior to ip_defrag(), i.e.:
>> 
>>    565 out_fail:
>>    566         IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_REASMFAILS);
> 
> Looks like a namespace problem.
> 
> Please open a bug report on bugzilla.kernel.org to ensure that
> this is tracked.

Herbert, David posted a patch to fix this which went into my tree the
other day and now has reached Linus's tree as well.