linux-kernel - Re: [PATCH] vfs: move_mount: reject moving kernel internal mounts

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Message-ID: <20190709205424.GB17978@ZenIV.linux.org.uk>
Date:   Tue, 9 Jul 2019 21:54:24 +0100
From:   Al Viro <viro@...iv.linux.org.uk>
To:     David Howells <dhowells@...hat.com>, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH] vfs: move_mount: reject moving kernel internal mounts

On Tue, Jul 09, 2019 at 12:40:01PM -0700, Eric Biggers wrote:
> On Tue, Jul 02, 2019 at 11:22:59AM -0700, Eric Biggers wrote:
> > 
> > Sure, but the new mount syscalls still need tests.  Where are the tests?
> > 
> 
> Still waiting for an answer to this question.

In samples/vfs/fsmount.c, IIRC, and that's not much of a test.