[OpenAFS] pags, kernel 2.6.16 and 1.4.1

Derek Atkins warlord@MIT.EDU
Thu, 20 Apr 2006 17:47:06 -0400


The problem is that the syscall table is in the ReadOnly section
and cannot be modified.

-derek

Andrej Filipcic <andrej.filipcic@ijs.si> writes:

> Well, I guess I have missed in dmesg:
> Warning: failed to find address of system call table
> System call hooks will not be installed; proceeding anyway
> Found 32-bit system call table at 0xffffffff803b3070 (exported)
>
> Is there any newer version of osi_probe.c which could deal with 2.6.16 syscall 
> table?
>
> Andrej 
>
>
> On Thursday 20 April 2006 17:39, Andrej Filipcic wrote:
>> Hi,
>>
>> I have noticed there is an unwanted afs behavior with kernel 2.6.16 and
>> openafs 1.4.1. If I enter pagsh and obtain a token and after that I do su
>> to the same or another user (uid), there is no token any more. It seems
>> like seteuid or similar call enters a new pag.
>>
>> I have been running several services (like apache) with tokens to allow
>> reading part of afs space. Since apache startup script is run as root and
>> it does setuid to apache user, the tokens are lost.
>>
>> Does anybody know how to avoid that? Is that 2.6.16 specific (new
>> feature/protection) or openafs 1.4.1 specific?
>>
>> Thanks,
>> Andrej
>
> -- 
> _____________________________________________________________
>    doc. dr. Andrej Filipcic,   E-mail: Andrej.Filipcic@ijs.si
>    Department of Experimental High Energy Physics - F9
>    Jozef Stefan Institute, Jamova 39, P.o.Box 3000
>    SI-1001 Ljubljana, Slovenia
>    Tel.: +386-1-477-3674    Fax: +386-1-425-7074
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>

-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord@MIT.EDU                        PGP key available