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

From: Dan Carpenter
Date: Thu Jun 25 2020 - 06:05:22 EST


On Wed, Jun 24, 2020 at 12:39:24PM -0700, Kees Cook wrote:
> On Wed, Jun 24, 2020 at 07:51:48PM +0300, Dan Carpenter wrote:
> > In Debian testing the initrd triggers the warning.
> >
> > [ 34.529809] process '/usr/bin/fstype' started with executable stack
>
> Where does fstype come from there? I am going to guess it is either
> busybox or linked against klibc?
>
> klibc has known problems with executable stacks due to its trampoline
> implementation:
> https://wiki.ubuntu.com/SecurityTeam/Roadmap/ExecutableStacks

Yeah. It comes from klibc-utils.

regards,
dan carpenter