linux-kernel - Re: [PATCH] SOCK_SEQPACKET socketpair must get SIGPIPE in AF

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Message-Id: <20160314.151923.1878027262976947807.davem@davemloft.net>
Date:	Mon, 14 Mar 2016 15:19:23 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	glider@...gle.com
Cc:	edumazet@...gle.com, rweikusat@...ileactivedefense.com,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] SOCK_SEQPACKET socketpair must get SIGPIPE in AF_UNIX
 if one end is closed

From: Alexander Potapenko <glider@...gle.com>
Date: Wed,  9 Mar 2016 15:10:23 +0100

> According to IEEE Std 1003.1, 2013, sending data to a SOCK_SEQPACKET
> socketpair with MSG_NOSIGNAL flag set must result in a SIGPIPE if the
> socket is no longer connected.
> 
> Signed-off-by: Alexander Potapenko <glider@...gle.com>

Please format your Subject line properly, the format is:

	[PATCH] $SUBSYSTEM: $DESCRIPTION.

In this case "af_unx: " would be a proper subsystem marker.

Also,

> ---
> I used the following program to check the kernel behavior:

Please include this in your commit message rather than cutting it out
using the "---" marker, as it will help people in the future
understand your change and how you tested it.  More information is
always better than less information.

Thanks.