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Date:	Thu, 07 Jun 2007 18:47:31 -0700 (PDT)
From:	David Miller <>
Subject: Re: [PATCH] fix race in AF_UNIX

From: Miklos Szeredi <>
Date: Wed, 06 Jun 2007 10:08:29 +0200

> There are races involving the garbage collector, that can throw away
> perfectly good packets with AF_UNIX sockets in them.
> The problems arise when a socket goes from installed to in-flight or
> vice versa during garbage collection.  Since gc is done with a
> spinlock held, this only shows up on SMP.
> Signed-off-by: Miklos Szeredi <>

I'm going to hold off on this one for now.

Holding all of the read locks kind of defeats the purpose of using
the per-socket lock.

Can't you just lock purely around the receive queue operation?
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