And do we need the following patch after sig_ve_ignored() is removed?
commit 5bd842976fb9d014452287bdadc9d592aabe688b
Author: Cyrill Gorcunov <[email protected]>
Date: Thu Nov 13 18:10:09 2014 +0400
ve/signal: Fix NULL dereference in sig_ve_ignored
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Best regards,
Konstantin Khorenko,
Virtuozzo Linux Kernel Team
On 11/16/2015 03:00 PM, Stanislav Kinsburskiy wrote:
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 <[email protected]> написал:
[root@fc22-vm ~]# unshare --fork -p
[root@fc22-vm ~]# kill -9 1
[root@fc22-vm ~]# kill -9 1
[root@fc22-vm ~]# kill -9 1
[root@fc22-vm ~]# kill -9 1
[root@fc22-vm ~]# kill -USR1 1
[root@fc22-vm ~]# kill -USR1 1
[root@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.
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