All of lore.kernel.org
 help / color / mirror / Atom feed
From: Stephen Smalley <sds@tycho.nsa.gov>
To: Eric Paris <eparis@redhat.com>, Steven Rostedt <rostedt@goodmis.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
	LKML <linux-kernel@vger.kernel.org>,
	James Morris <james.l.morris@oracle.com>,
	Paul Moore <paul@paul-moore.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	stable <stable@vger.kernel.org>,
	selinux@tycho.nsa.gov, linux-security-module@vger.kernel.org
Subject: Re: [PATCH] SELinux: Fix possible NULL pointer dereference in selinux_inode_permission()
Date: Thu, 09 Jan 2014 11:10:05 -0500	[thread overview]
Message-ID: <52CEC9DD.4000901@tycho.nsa.gov> (raw)
In-Reply-To: <1389283545.15209.59.camel@localhost>

On 01/09/2014 11:05 AM, Eric Paris wrote:
> [adding lsm and selinux]
> 
> Am I just crazy, or was this bug discussed (and obviously not fixed)
> some time ago?
> 
> VFS can still use inodes after security_inode_free_security() was
> called...

I didn't know that was the case; originally when we added the hook it
was not possible.   I have seen a Red Hat bugzilla report about it,
but no upstream discussion.


WARNING: multiple messages have this Message-ID (diff)
From: Stephen Smalley <sds@tycho.nsa.gov>
To: Eric Paris <eparis@redhat.com>, Steven Rostedt <rostedt@goodmis.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	stable <stable@vger.kernel.org>,
	linux-security-module@vger.kernel.org,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	James Morris <james.l.morris@oracle.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	selinux@tycho.nsa.gov
Subject: Re: [PATCH] SELinux: Fix possible NULL pointer dereference in selinux_inode_permission()
Date: Thu, 09 Jan 2014 11:10:05 -0500	[thread overview]
Message-ID: <52CEC9DD.4000901@tycho.nsa.gov> (raw)
In-Reply-To: <1389283545.15209.59.camel@localhost>

On 01/09/2014 11:05 AM, Eric Paris wrote:
> [adding lsm and selinux]
> 
> Am I just crazy, or was this bug discussed (and obviously not fixed)
> some time ago?
> 
> VFS can still use inodes after security_inode_free_security() was
> called...

I didn't know that was the case; originally when we added the hook it
was not possible.   I have seen a Red Hat bugzilla report about it,
but no upstream discussion.

  reply	other threads:[~2014-01-09 16:12 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-09 15:19 [PATCH] SELinux: Fix possible NULL pointer dereference in selinux_inode_permission() Steven Rostedt
2014-01-09 15:31 ` Eric Paris
2014-01-09 15:51   ` Steven Rostedt
2014-01-09 15:57     ` Eric Paris
2014-01-09 16:05       ` Eric Paris
2014-01-09 16:05         ` Eric Paris
2014-01-09 16:10         ` Stephen Smalley [this message]
2014-01-09 16:10           ` Stephen Smalley
2014-01-09 16:22           ` Steven Rostedt
2014-01-09 16:22             ` Steven Rostedt
2014-01-09 16:25             ` Eric Paris
2014-01-09 16:25               ` Eric Paris
2014-01-09 20:20           ` Mimi Zohar
2014-01-09 20:20             ` Mimi Zohar
2014-01-09 20:24             ` Eric Paris
2014-01-09 20:24               ` Eric Paris
2014-01-09 22:28         ` Al Viro
2014-01-09 22:28           ` Al Viro
2014-01-09 22:17     ` Al Viro
2014-01-09 22:13   ` Al Viro
2014-01-09 22:18     ` Eric Paris
2014-01-09 22:25       ` Al Viro
2014-01-09 22:45     ` Eric Paris

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=52CEC9DD.4000901@tycho.nsa.gov \
    --to=sds@tycho.nsa.gov \
    --cc=akpm@linux-foundation.org \
    --cc=eparis@redhat.com \
    --cc=james.l.morris@oracle.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-security-module@vger.kernel.org \
    --cc=paul@paul-moore.com \
    --cc=paulmck@linux.vnet.ibm.com \
    --cc=rostedt@goodmis.org \
    --cc=selinux@tycho.nsa.gov \
    --cc=stable@vger.kernel.org \
    --cc=viro@zeniv.linux.org.uk \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.