linux-kernel - Re: [PATCH v2] audit: Avoid excessive dput/dget in audit

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Message-ID: <20260206071343.GY3183987@ZenIV>
Date: Fri, 6 Feb 2026 07:13:43 +0000
From: Al Viro <viro@...iv.linux.org.uk>
To: Waiman Long <llong@...hat.com>
Cc: Paul Moore <paul@...l-moore.com>, Eric Paris <eparis@...hat.com>,
	Christian Brauner <brauner@...nel.org>,
	linux-kernel@...r.kernel.org, audit@...r.kernel.org,
	Richard Guy Briggs <rgb@...hat.com>,
	Ricardo Robaina <rrobaina@...hat.com>
Subject: Re: [PATCH v2] audit: Avoid excessive dput/dget in audit_context
 setup and reset paths

On Fri, Feb 06, 2026 at 05:22:18AM +0000, Al Viro wrote:

> callers.  There are 3 of those:

4, actually - prepare_nsset() has
        nsset->nsproxy = create_new_namespaces(0, me, current_user_ns(), me->fs);
again, without CLONE_NEWNS, so won't get to that loop in copy_mnt_ns()

(que the obvious references to Cardinal Ximenez...)