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Date: Mon, 16 Apr 2007 14:55:08 +0200 From: Patrick McHardy <kaber@...sh.net> To: Pavel Emelianov <xemul@...ru> CC: Andrew Morton <akpm@...l.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, devel@...nvz.org, Linux Netdev List <netdev@...r.kernel.org> Subject: Re: [PATCH] Don't attach callback to a going-away netlink socket Pavel Emelianov wrote: > Patrick McHardy wrote: > >>>There is a race between netlink_dump_start() and netlink_release() >>>that can lead to the situation when a netlink socket with non-zero >>>callback is freed. >> >> >>Can you describe the race in more detail please? >> > > Here it is: > > [...] > The proposal it to make sock_orphan before detaching the callback > in netlink_release() and to check for the sock to be SOCK_DEAD in > netlink_dump_start() before setting a new callback. Thanks, good catch. Your patch also looks good. Acked-by: Patrick McHardy <kaber@...sh.net> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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