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From: David Howells <dhowells@redhat.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: dhowells@redhat.com,
	"Rasmus Bøg Hansen"
	<rasmus-tUP8e6pgWdNlY7y4Fx5NiA@public.gmane.org>,
	linux-nfs@vger.kernel.org
Subject: Re: PROBLEM: nfsd crashes in 2.6.29
Date: Tue, 28 Apr 2009 18:31:26 +0100	[thread overview]
Message-ID: <25153.1240939886@redhat.com> (raw)
In-Reply-To: <20090428164133.GP17891@fieldses.org>

J. Bruce Fields <bfields@fieldses.org> wrote:

> >> Without trying to figure out where that is, just looking at the
> >> offset...  That would be consistent with current_cred()->security being
> >> NULL, since the cred_sid(cred) in inode_has_perm does tsec->sid, where
> >> tsec is

It oughtn't to be possible...  Unless, perhaps, the credentials have been
freed.  During the process of freeing the creds, the security pointer is
cleared.

Are you running with CONFIG_DEBUG_SLAB=n?  If so, would it be possible to flip
it to =y?

David

  parent reply	other threads:[~2009-04-28 17:32 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20090428164133.GP17891@fieldses.org>
2009-03-31 13:21 ` PROBLEM: nfsd crashes in 2.6.29 Rasmus Bøg Hansen
     [not found]   ` <49D218C8.2040503-tUP8e6pgWdNlY7y4Fx5NiA@public.gmane.org>
2009-04-01 18:57     ` J. Bruce Fields
     [not found]       ` <20090402105943.14031ff3mhfka6bk@ssl.msconsult.dk>
2009-04-28 17:31         ` David Howells [this message]
2009-04-28 20:07           ` Rasmus Bøg Hansen

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