Re: [PATCH] seccomp: add ptrace commands for suspend/resume

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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.

--
To unsubscribe from this list: send the line "unsubscribe linux-api" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux