[OpenAFS-devel] Re: BUG: unable to handle kernel NULL pointer

[Markus Suvanto]

2013/5/23 Andrew Deason <adeason@sinenomine.net>:
> On Wed, 22 May 2013 23:20:31 +0300
> Markus Suvanto <markus.suvanto@gmail.com> wrote:
>
>> config.log is in attachment. On more thing, I only recompile kernel
>> module and everything else including /usr/sbin/afsd comes from gentoo
>> portage and currently it is net-fs/openafs 1.6.2
>
> I assume this hasn't shown up on the actual -devel list because of that
> attachment. In the future, you may want to just link to it elsewhere, or
> at least compress it before sending. But yeah, the config.log for the
> kernel module is all I was looking for.
>
> Anyway, it seems like quite a few configure tests succeed which should
> fail, but I can't find any yet that should matter. For example, both
> DOP_REVALIDATE_TAKES_UNSIGNED and DOP_REVALIDATE_TAKES_NAMEIDATA are
> defined. It looks like these require -Werror to actually fail for an
> incorect type for that last argument; Marc, is there a reason that's not
> specified now?
>
> That shouldn't matter, since the UNSIGNED one takes precedence over the
> NAMEIDATA check. And looking at the preprocessed output and the actual
> compiled module for me, it really looks like we are indeed checking the
> correct flags for RCU (in both 'd_revalidate' and 'permission').

I have updated my openafs to the lates .6.3pre2 and I have not seen
any crash/NULL
dereference problems  anymore.

Previous version was 1.6.3pre1, it might be so that commit
a71cc5511c115c1b6cb4a6a2997a846bab6e19e2
also solves problems what I have seen.

-Markus




>
> --
> Andrew Deason
> adeason@sinenomine.net
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