[lxc-devel] segfault with insufficient network config

[Daniel Lezcano]

On 07/22/2010 10:08 PM, Ferenc Wagner wrote:
> Daniel Lezcano<dlezcano at fr.ibm.com>  writes:
>
>    
>> On 07/22/2010 09:44 PM, Ferenc Wagner wrote:
>>
>>      
>>> # lxc-execute --name net -s lxc.network.type=phys -s lxc.network.link=eth0 bash
>>> lxc-execute: failed to move 'eth0' to the container : Message too long
>>>
>>> It might as well have some sense, but I definitely don't get it this
>>> late. :)  I give up now.
>>>        
>> I think the error is wrong, perhaps the kernel is returning a wrong
>> value or there is a bad error catch in lxc. But I think the problem
>> may come from the kernel version<  2.6.35 because it does not support
>> physical interface moving across namespace. Is it a kernel<  2.6.35 ?
>>      
> Yes, it's 2.6.32.  In my opinion a more sensible error message would be
> nice, even if this is what the kernel reports.
>    

Fixed that was a bad error catch. It returns EINVAL now.
I would have be happy to show a nicer message but the error is too deep 
in the code in a generic netlink layer.

Fixed the core dump too.

Thanks Ferenc for reporting this

   -- Daniel