linux-kernel - Re: Strange PF_NETLINK NETLINK_ROUTE stall: netlink: Fix autobind race condition that leads to zero port ID

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] [day] [month] [year] [list]

Date:	Sat, 5 Dec 2015 15:16:39 +0100
From:	Philipp Matthias Hahn <pmhahn@...ahn.de>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	linux-kernel@...r.kernel.org, Tejun Heo <tj@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: Strange PF_NETLINK NETLINK_ROUTE stall: netlink: Fix autobind
 race condition that leads to zero port ID

Hello,

On Sat, Dec 05, 2015 at 09:10:08AM +0800, Herbert Xu wrote:
> On Fri, Nov 27, 2015 at 04:23:54PM +0100, Philipp Hahn wrote:
> > 
> > I observed a strange stall in a multi-threaded process (originally
> > OpenLDAP slapd), which stalls during a call to getaddrinfo() after
> > upgrading the kernel from 3.16.x to 4.1.12:
> 
> Can you try to see if the latest kernel still has this problem.
> Unfortunately a number of fixes seem to not have made it into
> 4.1 so anything could happen there.

I also tried 4.1.13, if that is what you mean with latest; it also
hangs.

> Thanks,

Thanks go to you.

Philipp
-- 
  / /  (_)__  __ ____  __ Philipp Hahn
 / /__/ / _ \/ // /\ \/ /
/____/_/_//_/\_,_/ /_/\_\ pmhahn@...ahn.de
--
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/