mkswap on 1k file

Matthew Stoltenberg d3matt at gmail.com
Mon Feb 1 17:24:54 UTC 2010


At least the kernel doesn't allow you to swapon it...

"Swap area shorter than signature indicates"

On Mon, Feb 1, 2010 at 10:47 AM, Mikhail Gusarov
<dottedmag at dottedmag.net> wrote:
> Hi.
>
> busybox 1.15.3
>
> $ dd if=/dev/zero of=foo count=1 bs=1024
> $ mkswap foo
> Setting up swapspace version 1, size = 18446744073709548544 bytes
> UUID=77c3c1dc-97e5-4e5d-8811-01c37c822bd2
> $
>
> looks like a very cheap way to make a HUGE swap :)
>
> --
>  http://fossarchy.blogspot.com/
>
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