netdev - Re: netlink circular locking dependency

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 linux-cve-announce 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]

Message-ID: <20080617130910.GA4632@ff.dom.local>
Date:	Tue, 17 Jun 2008 13:09:10 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Marcel Holtmann <marcel@...tmann.org>, netdev@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>, Thomas Graf <tgraf@...g.ch>
Subject: Re: netlink circular locking dependency

On Tue, Jun 17, 2008 at 02:50:19PM +0200, Patrick McHardy wrote:
...
> Thanks for testing. Unfortunately the module unload races look
> more complicated to fix and I'm busy with other things, so it
> would great if someone else could fix this.

Patrick, I wonder if simply adding an additional mutex e.g.
genl_lock_table() around all the rest (after your patch) genl_locks
could be enough until some major rework. This should prevent any
new races and there are no lockups, I guess?

Jarek P.
--
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