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Date:   Wed, 22 May 2019 10:36:55 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH v4] net: Add UNIX_DIAG_UID to Netlink UNIX socket

From: Felipe Gasper <>
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 <>

Applied to net-next, thanks.

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