netdev - Re: [NETLINK] Don't attach callback to a going-away netlink socket

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 18 Apr 2007 13:29:03 +0400
From:	Evgeniy Polyakov <johnpol@....mipt.ru>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Pavel Emelianov <xemul@...ru>, David Miller <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	devel@...nvz.org, Kirill Korotaev <dev@...nvz.org>
Subject: Re: [NETLINK] Don't attach callback to a going-away netlink socket

On Wed, Apr 18, 2007 at 11:16:50AM +0200, Patrick McHardy (kaber@...sh.net) wrote:
> > That is what I referred to as error path. Btw, with positive return
> > value we end up in subsequent call to input which will free callback
> > under lock as expected.
> 
> 
> No, nothing is going to call netlink_dump after the initial call since
> the socket is gone.

Argh, userspace socket's sk_data_rady() if dump returned positive value.
So, callback is not freed to allow to put several pages before
NLMSG_DONE via single dump?

-- 
	Evgeniy Polyakov
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html