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Date:   Sat, 22 Aug 2020 12:59:08 -0700
From:   Pascal Bouchareine <>
To:     David Miller <>
Cc:,,, Jakub Kicinski <>,
        Andrew Morton <>,
        Alexey Dobriyan <>,
        Al Viro <>
Subject: Re: [PATCH v2 2/2] net: socket: implement SO_DESCRIPTION

Thank you,

On Sat, Aug 22, 2020 at 12:36 PM David Miller <> wrote:
> > We ignore optlen and constrain the string to a static max size
> >
> > Signed-off-by: Pascal Bouchareine <>
> This change is really a non-starter unless the information gets
> published somewhere where people actually look at dumped sockets, and
> that's inet_diag and friends.

Would it make sense to also make UDIAG_SHOW_NAME use sk_description?
(And keep the existing change - setsockopt + show_fd_info via

I would feel like adding a pid information (and what else am I missing
here) to inet_diag might also be a good improvement then?

I understand that users have to scan /proc to find the FDs, matching
the inode number for the socket to find the owning process today.

If that's of interest I can explore that too

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