From: David Miller <davem@davemloft.net>
To: felipe@felipegasper.com
Cc: viro@zeniv.linux.org.uk, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, linux-api@vger.kernel.org
Subject: Re: [PATCH v4] net: Add UNIX_DIAG_UID to Netlink UNIX socket diagnostics.
Date: Wed, 22 May 2019 10:36:55 -0700 (PDT) [thread overview]
Message-ID: <20190522.103655.1021678724919980639.davem@davemloft.net> (raw)
In-Reply-To: <20190521004351.23706-1-felipe@felipegasper.com>
From: Felipe Gasper <felipe@felipegasper.com>
Date: Mon, 20 May 2019 19:43:51 -0500
> This adds the ability for Netlink to report a socket's UID along with the
> other UNIX diagnostic information that is already available. This will
> allow diagnostic tools greater insight into which users control which
> socket.
>
> To test this, do the following as a non-root user:
>
> unshare -U -r bash
> nc -l -U user.socket.$$ &
>
> .. and verify from within that same session that Netlink UNIX socket
> diagnostics report the socket's UID as 0. Also verify that Netlink UNIX
> socket diagnostics report the socket's UID as the user's UID from an
> unprivileged process in a different session. Verify the same from
> a root process.
>
> Signed-off-by: Felipe Gasper <felipe@felipegasper.com>
Applied to net-next, thanks.
prev parent reply other threads:[~2019-05-22 17:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-21 0:43 [PATCH v4] net: Add UNIX_DIAG_UID to Netlink UNIX socket diagnostics Felipe Gasper
2019-05-22 17:36 ` David Miller [this message]
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