linux-ext4 - [Bug 51391] BUG: unable to handle kernel NULL pointer dereference

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Message-Id: <20121207180422.7E64A11FB81@bugzilla.kernel.org>
Date:	Fri,  7 Dec 2012 18:04:22 +0000 (UTC)
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 51391] BUG: unable to handle kernel NULL pointer dereference

https://bugzilla.kernel.org/show_bug.cgi?id=51391

--- Comment #6 from Theodore Tso <tytso@....edu>  2012-12-07 18:04:22 ---
Well, I was using a 64-bit kernel and a 32-bit mount program, so that
replicates what you are doing, and a "mount -o nodev" will use MS_NODEV.  And
I'm using a stock 3.2.29 kernel.

At this point I don't know what to tell you.  I can't duplicate the problem
here.  If you can give me an easy reproduction that you can run by hand, great.
 Otherwise, I'm going to have to close this out as not reproducible.

The other possibility is this is an Ubuntu bug.  Are you using a stock kernel,
or is this a kernel with Ubuntu's "value added patches"?   If this is not a
stock kernel, I'd advise that you submit this bug to Ubuntu.

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