netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Chris Wright <chrisw@osdl.org>
To: James Morris <jmorris@redhat.com>
Cc: Chris Wright <chrisw@osdl.org>,
	Ross Kendall Axe <ross.axe@blueyonder.co.uk>,
	netdev@oss.sgi.com, Stephen Smalley <sds@epoch.ncsc.mil>,
	lkml <linux-kernel@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH] linux 2.9.10-rc1: Fix oops in unix_dgram_sendmsg when using SELinux and SOCK_SEQPACKET
Date: Thu, 18 Nov 2004 09:07:06 -0800	[thread overview]
Message-ID: <20041118090706.O2357@build.pdx.osdl.net> (raw)
In-Reply-To: <Xine.LNX.4.44.0411181158110.5096-100000@thoron.boston.redhat.com>; from jmorris@redhat.com on Thu, Nov 18, 2004 at 12:01:34PM -0500

* James Morris (jmorris@redhat.com) wrote:
> On Thu, 18 Nov 2004, Chris Wright wrote:
> 
> > Why not make a unix_seq_sendmsg, which is a very small wrapper?
> 
> Good idea, patch forthcoming.
> 
> > Does the above stop the other issue?  My laptop died, so I'm not able to
> > test ATM.
> 
> No, it seems to be caused when addrlen in sendto() is non-zero, causing 
> unix_find_other() to be called instead of unix_peer_get(), which is 
> screwing up reference counts.

Right, but the snippet I posted guards against that I think.  It forces
unix_peer_get() in dgram_sendmsg.

> As for MSG_EOR, apart from the generic socket code, nothing is being done.  
> This would be a separate issue.

Yup, just noting the bits that looked broken to me.

thanks,
-chris
-- 
Linux Security Modules     http://lsm.immunix.org     http://lsm.bkbits.net

  reply	other threads:[~2004-11-18 17:07 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-14 18:13 [PATCH] linux 2.9.10-rc1: Fix oops in unix_dgram_sendmsg when using SELinux and SOCK_SEQPACKET Ross Kendall Axe
2004-11-15 13:31 ` Stephen Smalley
2004-11-16  8:41   ` Chris Wright
2004-11-17 21:29     ` Ross Kendall Axe
2004-11-18  0:09       ` Ross Kendall Axe
2004-11-18  3:42         ` James Morris
2004-11-18  4:25           ` James Morris
2004-11-18  6:07             ` Chris Wright
2004-11-18  7:25           ` Ross Kendall Axe
2004-11-18  7:59             ` James Morris
2004-11-18  8:27               ` James Morris
2004-11-18 16:44                 ` Chris Wright
2004-11-18 17:01                   ` James Morris
2004-11-18 17:07                     ` Chris Wright [this message]
2004-11-18 17:11                       ` James Morris
2004-11-18 17:25                     ` James Morris
2004-11-18 16:58                       ` Alan Cox
2004-11-18 22:34                       ` David S. Miller
2004-11-19  3:23                   ` Ross Kendall Axe
2004-11-19  7:19                     ` Chris Wright
2004-11-19  9:40                       ` Ross Kendall Axe
2004-11-19 13:05                       ` Arnaldo Carvalho de Melo
2004-11-19 13:16                         ` Arnaldo Carvalho de Melo
2004-11-18 16:49                 ` Alan Cox
2004-11-18 18:40                   ` James Morris
2004-11-18 23:39                     ` Alan Cox
2004-11-19  3:12                       ` James Morris
2004-11-19  7:01                         ` Chris Wright
2004-11-19  7:12                           ` James Morris
2004-11-19  7:28                             ` Chris Wright
2004-11-19 11:39                         ` Alan Cox
2004-11-19 16:24                           ` James Morris
2004-11-20  7:11                             ` David S. Miller
2004-11-18 16:45           ` Alan Cox
2004-11-18 18:28             ` James Morris
2004-11-18 18:34             ` Chris Wright

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20041118090706.O2357@build.pdx.osdl.net \
    --to=chrisw@osdl.org \
    --cc=davem@davemloft.net \
    --cc=jmorris@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=netdev@oss.sgi.com \
    --cc=ross.axe@blueyonder.co.uk \
    --cc=sds@epoch.ncsc.mil \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).