Re: [PATCH] signal: Avoid corrupting si_pid and si_uid in do_notify_parent
From: Oleg Nesterov
Date: Tue Apr 21 2020 - 08:17:31 EST
On 04/21, Christian Brauner wrote:
>
> process B setnses into
> <pidnsC> which is a sibling pid namespace,
please see pidns_install(), it verifies that
* Only allow entering the current active pid namespace
* or a child of the current active pid namespace.
Oleg.