netdev - RE: [PATCH] sctp: Fix mangled IPv4 addresses on a IPv6 listening 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 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]

Message-ID: <063D6719AE5E284EB5DD2968C1650D6D1CB4177C@AcuExch.aculab.com>
Date:	Thu, 28 May 2015 08:58:35 +0000
From:	David Laight <David.Laight@...LAB.COM>
To:	'Jason Gunthorpe' <jgunthorpe@...idianresearch.com>
CC:	'Daniel Borkmann' <daniel@...earbox.net>,
	Neil Horman <nhorman@...driver.com>,
	"linux-sctp@...r.kernel.org" <linux-sctp@...r.kernel.org>,
	Vlad Yasevich <vyasevich@...il.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH] sctp: Fix mangled IPv4 addresses on a IPv6 listening
 socket

From: Jason Gunthorpe
> Sent: 27 May 2015 18:05
> On Wed, May 27, 2015 at 04:41:18PM +0000, David Laight wrote:
> 
> > The code will be sleeping in kernel_accept() and later calls
> > kernel_getpeername().
> > The code is used for both TCP and SCTP and this part is common (using
> > the TCP semantics).
> 
> getpeername uses a different flow, it calls into inet6_getname which
> will always return the AF_INET6 version.

Ok, that explains why I hadn't seen the problem.
It also means I don't have to worry about it.

	David

--
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