[Devel] [PATCH rh7] signal/ve: allow to send signal from another ve namespace

[Stanislav Kinsburskiy]

16.11.2015 12:44, Andrey Ryabinin пишет:
> On 11/12/2015 08:07 PM, Stanislav Kinsburskiу wrote:
>> 12 нояб. 2015 г. 17:51 пользователь Andrey Wagin <avagin at gmail.com> написал:
>>>
>>>
>>> [root at fc22-vm ~]# unshare --fork -p
>>> [root at fc22-vm ~]# kill -9 1
>>> [root at fc22-vm ~]# kill -9 1
>>> [root at fc22-vm ~]# kill -9 1
>>> [root at fc22-vm ~]# kill -9 1
>>> [root at fc22-vm ~]# kill -USR1 1
>>> [root at fc22-vm ~]# kill -USR1 1
>>> [root at fc22-vm ~]#
>>>
>>   Ok then. Probably, this patch should be ported to rhel6 as well.
>>
> Probably not, simply removing sig_ve_ignored() doesn't work (it allows to kill init from container).
> In rhel6 creation of namespace's init handled via proc_pid_ns_attach_init() which doesn't set SIGNAL_UNKILLABLE.
> In 3.10 we use CLONE_NEWPID, and fork sets SIGNAL_UNKILLALBLE flag for container's init.
Ok, I got it. Thanks.