Re: process '/usr/bin/rsync' started with executable stack

From: Christian Kujau
Date: Wed Jun 24 2020 - 01:35:02 EST


On Tue, 23 Jun 2020, Kees Cook wrote:
> > If you run something with exec stack after the message
> > you shouldn't get it second time.
>
> If you want to reset this flag, you can do:
> # echo 1 > /sys/kernel/debug/clear_warn_once

Thanks. Although, I tend to not mount /sys/kernel/{config,debug,tracing}
and other things, I always thought they are not needed and could maybe
lower the attack surface if not mounted. Or maybe my tinfoil hat needs
some adjustment...

Christian.
--
BOFH excuse #279:

The static electricity routing is acting up...