Messages in this thread | | | Date | Fri, 14 Mar 2014 20:23:46 +0100 | From | Oleg Nesterov <> | Subject | Re: pppd service crash in linux-3.13.6 |
| |
On 03/14, Peter Hurley wrote: > >> On 03/13/2014 01:06 PM, Oleg Nesterov wrote: >>> >>> OTOH, why we should delay disassociate_ctty? IOW, do you see any >>> potential problem with the trivial patch below? > > Won't work. > > cgroup_exit() can exec a userspace process (the notify_on_exit() facility) ^^^^^^^^^^^^^^^^
can't find anything named notify_on_exit, perhap you meant cgroup_release_agent? Although I guess this should not matter.
> which requires both namespace and tty facilities.
Hmm... why?
The exiting task obviously can't exec. The only way to spawn a userspace process is call_usermodehelper(), it should work just fine, no?
Oleg.
| |