From: David Miller <davem@davemloft.net>
To: glider@google.com
Cc: edumazet@google.com, rweikusat@mobileactivedefense.com,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] af_unix: closed SOCK_SEQPACKET socketpair must get SIGPIPE
Date: Fri, 18 Mar 2016 18:32:30 -0400 (EDT) [thread overview]
Message-ID: <20160318.183230.1601751551897264970.davem@davemloft.net> (raw)
In-Reply-To: <1458032624-139688-1-git-send-email-glider@google.com>
From: Alexander Potapenko <glider@google.com>
Date: Tue, 15 Mar 2016 10:03:44 +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.
>
> I used the following program to check the kernel behavior:
...
> Signed-off-by: Alexander Potapenko <glider@google.com>
In the final analysis I don't think we can do this.
Properly working programs will start to mysteriously receive
signals in this situation and fail.
I'm sorry but I think we're stuck with this behavior.
prev parent reply other threads:[~2016-03-18 22:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-15 9:03 [PATCH] af_unix: closed SOCK_SEQPACKET socketpair must get SIGPIPE Alexander Potapenko
2016-03-15 13:20 ` Eric Dumazet
2016-03-15 14:35 ` Alexander Potapenko
2016-03-15 13:46 ` David Laight
2016-03-15 16:13 ` Alexander Potapenko
2016-03-18 22:32 ` David Miller [this message]
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