[btrfs] is vulnerable to a hash-DoS attack

["Pascal Junod \(Mailing Lists\)" <mailinglists@xxxxxxxxxx>]

Hello folk,

The btrfs file system, part of the linux kernel, is vulnerable to a
trivial hash-DoS attack. More details can be found here:

http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/

Enjoy!

Pascal Junod
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