netdev - Re: xfrm_state locking regression...

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: <20080912173750.GE6732@linux.vnet.ibm.com>
Date:	Fri, 12 Sep 2008 10:37:50 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	David Miller <davem@...emloft.net>, timo.teras@....fi,
	netdev@...r.kernel.org
Subject: Re: xfrm_state locking regression...

On Sat, Sep 13, 2008 at 02:08:25AM +1000, Herbert Xu wrote:
> On Thu, Sep 11, 2008 at 03:00:06PM -0700, David Miller wrote:
> >
> > > There is only one reader at a time, right?  Otherwise, I don't see how
> > > the increments and reads of xfrm_state_walk_completed line up.
> > 
> > The RTNL semaphore is held across the modifications of the counters.
> 
> s/RTNL/xfrm_cfg_mutex/
> 
> but otherwise what Dave said :)

Thank you for the updated information, and I guess I don't feel quite
so bad about the false alarm.  ;-)

							Thanx, Paul
--
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