Re: [PATCH v2 2/2] net: socket: implement SO_DESCRIPTION

David Miller
2020-08-22T19:36:57Z

From: Pascal Bouchareine <kalou@tfz.net>
Date: Fri, 21 Aug 2020 20:28:27 -0700

> This command attaches the zero terminated string in optval to the
> socket for troubleshooting purposes. The free string is displayed in the
> process fdinfo file for that fd (/proc/<pid>/fdinfo/<fd>).
>
> One intended usage is to allow processes to self-document sockets
> for netstat and friends to report
>
> We ignore optlen and constrain the string to a static max size
>
> Signed-off-by: Pascal Bouchareine <kalou@tfz.net>

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.