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Bug#655625: kernel NULL pointer dereference after repartitioning USB disk

On Thu, 2012-01-12 at 13:07 -0800, Josh Triplett wrote:
> Package: linux-2.6
> Version: 3.1.8-2
> Severity: important
> I had a USB disk which previously had a small bootable image 'dd'ed to it, such
> that it had a 27MB magic "partition".  (One of the dual iso/USB bootable
> images.)  I ran gparted on the disk to reformat it as one big FAT32 disk.  I
> then closed gparted, unplugged the USB disk, and plugged it back in.  Something
> during the last three steps triggered a kernel NULL pointer deference.

This bug (or similar bugs) appear to be well-known but unfortunately not
yet understood upstream:



Ben Hutchings
When in doubt, use brute force. - Ken Thompson

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