show stopper for FreeBSD 6

Philippe PEGON Philippe.Pegon at crc.u-strasbg.fr
Tue Nov 1 12:02:32 PST 2005


Nate Eldredge wrote:
> On Mon, 31 Oct 2005, Philippe PEGON wrote:
> 
>> Hi,
>>
>> I know that it's a bit late for FreeBSD 6 release, but I think this
>> issue is a significant problem for FreeBSD :
>>
>> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/83375
>>
>> our productions servers with FreeBSD 5.4 reboots every week with this
>> panic and we are not alone. We hoped that FreeBSD 6 would have solved
>> this problem after this thread on freebsd-stable :
>>
>> http://lists.freebsd.org/mailman/htdig/freebsd-stable/2005-June/016154.html 
>>
>>
>> I have just tested with FreeBSD 6-RC1 and the problem remains here.
>> Moreover, I think it's also a security issue because a single user, with
>> a shell account on an FreeBSD SMP box, could trigger a panic with a
>> simple shell script like that one (posted by Marc Olzheim in PR 83375),
>> it's annoying particularly in a multi-user environment :
> 
> 
> I am looking at this.  I have a good idea what the problem is and will 
> update tomorrow.

I'll be happy to test some patchs if that can help.

--
Philippe PEGON


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