linux-kernel - Re: [RFC PATCH] af_unix: fix entry locking in unix_dgram

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Date:	Thu, 03 Dec 2015 13:47:48 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Rainer Weikusat <rweikusat@...ileactivedefense.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] af_unix: fix entry locking in unix_dgram_recvmsg

On Thu, 2015-12-03 at 21:24 +0000, Rainer Weikusat wrote:

> As far as I can tell, yes. With the change, unix_dgram_recvmsg has a
> read loop looking like this:
> 
> 	last = NULL; /* not really necessary */


I am not sure SO_RCVTIMEO is really used for af_unix, given its poor
reaction to syscall restarts (ERESTARTSYS)

Do you really know applications relying on it ?


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