From: "Tomáš Trnka" <trnka@scm.com>
To: Kees Cook <keescook@chromium.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Stephen Smalley <sds@tycho.nsa.gov>,
Paul Moore <pmoore@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Laura Abbott <labbott@redhat.com>
Subject: Re: System-wide hard RLIMIT_STACK in 4.14.4+ w/ SELinux
Date: Tue, 12 Dec 2017 20:36:15 +0100 [thread overview]
Message-ID: <4264998.bHD3OVdLUx@electra> (raw)
In-Reply-To: <CAGXu5j+e1kd7gHk9qVUhy6Ubc6c3PBm_zTM9kqkd+UkD9qr6KQ@mail.gmail.com>
On Tuesday, 12 December 2017 20:23:47 CET Kees Cook wrote:
> This is an interesting state for the system to be in, though, it means
> AT_SECURE is being set for virtually all processes too? I would expect
> that might break a lot too (but clearly it hasn't).
Not really. AT_SECURE is set only for the exec that triggers a domain
transition, but unlike the rlimits it's not inherited by descendants (as long
as they stay within the same SELinux domain).
2T
next prev parent reply other threads:[~2017-12-12 19:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-12 10:58 System-wide hard RLIMIT_STACK in 4.14.4+ w/ SELinux Tomáš Trnka
2017-12-12 15:44 ` Tomáš Trnka
2017-12-12 19:23 ` Kees Cook
2017-12-12 19:36 ` Tomáš Trnka [this message]
2017-12-12 19:52 ` Laura Abbott
2017-12-12 19:56 ` Kees Cook
2017-12-12 20:10 ` Laura Abbott
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