Messages in this thread | | | Date | Tue, 2 Jun 2015 20:48:48 +0200 | From | Oleg Nesterov <> | Subject | Re: [PATCH] seccomp: add ptrace commands for suspend/resume |
| |
On 06/02, Tycho Andersen wrote: > > > Do we need to re-enable seccomp if a tracer detaches unexpectedly. > > CRIU can be killed and we should try to not affect the task state even > > in this case. > > Yes, I think Pavel's suggestion on the CRIU list of simply > automatically re-enabling seccomp on ptrace detach
But note that you can't enable tsc if the tracer dies, in this case the tracee can be running.
Otherwise, if we use PTRACE_O_ instead, it goes away automatically if the tracer dies or does PTRACE_DETACH.
Oleg.
| |