From: Dan Carpenter <dan.carpenter@oracle.com>
To: Kees Cook <keescook@chromium.org>
Cc: Christian Kujau <lists@nerdbynature.de>,
Alexey Dobriyan <adobriyan@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Willy Tarreau <w@1wt.eu>,
linux-kernel@vger.kernel.org
Subject: Re: process '/usr/bin/rsync' started with executable stack
Date: Thu, 25 Jun 2020 13:04:29 +0300 [thread overview]
Message-ID: <20200625100429.GB2571@kadam> (raw)
In-Reply-To: <202006241238.E9CB1CE85B@keescook>
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
next prev parent reply other threads:[~2020-06-25 10:05 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-23 17:39 process '/usr/bin/rsync' started with executable stack Christian Kujau
2020-06-23 18:32 ` Kees Cook
2020-06-23 21:33 ` Christian Kujau
2020-06-23 21:41 ` Alexey Dobriyan
2020-06-23 21:45 ` Alexey Dobriyan
2020-06-23 21:50 ` Alexey Dobriyan
2020-06-23 22:02 ` Christian Kujau
2020-06-23 21:12 ` Alexey Dobriyan
2020-06-23 21:22 ` Alexey Dobriyan
2020-06-23 21:51 ` Christian Kujau
2020-06-23 23:20 ` Kees Cook
2020-06-24 5:34 ` Christian Kujau
2020-06-24 16:51 ` Dan Carpenter
2020-06-24 19:39 ` Kees Cook
2020-06-25 10:04 ` Dan Carpenter [this message]
2020-06-25 20:20 ` Kees Cook
2020-06-25 21:16 ` [klibc] " Thorsten Glaser
2020-06-25 22:01 ` Kees Cook
2020-06-26 4:42 ` Christophe Leroy
2020-07-25 21:27 ` Ben Hutchings
2020-07-26 2:07 ` Kees Cook
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200625100429.GB2571@kadam \
--to=dan.carpenter@oracle.com \
--cc=adobriyan@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=keescook@chromium.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lists@nerdbynature.de \
--cc=w@1wt.eu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox