linux-kernel - Re: [PATCH] fix race in AF

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Message-ID: <20070618104340.GZ521@postel.suug.ch>
Date:	Mon, 18 Jun 2007 12:43:40 +0200
From:	Thomas Graf <tgraf@...g.ch>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	davem@...emloft.net, akpm@...ux-foundation.org,
	viro@....linux.org.uk, alan@...rguk.ukuu.org.uk,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fix race in AF_UNIX

* Miklos Szeredi <miklos@...redi.hu> 2007-06-18 12:39
> You are wrong.  Look in unix_release_sock():
> 
> 	if (atomic_read(&unix_tot_inflight))
> 		unix_gc();		/* Garbage collect fds */
> 
> 
> unix_tot_inflight is the number of AF_UNIX sockets currently being
> transferred over some AF_UNIX sockets.
> 
> That means that just sending (non-unix socket) fds over unix sockets
> will never invoke the gc.

That's what I meant, I'm sorry, I should have written unix socket
file descriptor to not leave any room for misinterpretation.
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