netdev - Re: [PATCH] tipc: fix shutdown() of connectionless socket

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Message-Id: <20200903.121113.1765709206599358636.davem@davemloft.net>
Date:   Thu, 03 Sep 2020 12:11:13 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     w@...r.be
Cc:     penguin-kernel@...ove.sakura.ne.jp,
        syzbot+e36f41d207137b5d12f7@...kaller.appspotmail.com,
        jmaloy@...hat.com, ying.xue@...driver.com,
        syzkaller-bugs@...glegroups.com, kuba@...nel.org,
        netdev@...r.kernel.org, tipc-discussion@...ts.sourceforge.net
Subject: Re: [PATCH] tipc: fix shutdown() of connectionless socket

From: Wouter Verhelst <w@...r.be>
Date: Thu, 3 Sep 2020 14:05:15 +0200

> That's fine, because NBD doesn't deal with SOCK_DGRAM sockets anyway
> (i.e., passing a SOCK_DGRAM socket to the NBD device is undefined
> behavior).

Then why doesn't NBD simply reject such sockets?