linux-kernel - sys_tz is not namespaced.

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Date: Tue, 13 Feb 2024 15:19:10 -0600
From: Rob Landley <rob@...dley.net>
To: Tobias Klauser <tklauser@...tanz.ch>,
 Christian Brauner <brauner@...nel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: sys_tz is not namespaced.

Re commit d95debbdc528 fixing CLONE_NEWTIME to work in clone()...

I note that sys_tz in kernel/time/time.c does not appear to be namespaced?

You might want to at least fail trying to set it outside of the root time
namespace. (Line 186, unless security_settime64() is already doing that?)

Rob