The world's worst kernel module

Related tags

Miscellaneous antipatterns.ko
Overview

antipatterns.ko: the world's worst kernel module

caution: DO NOT LOAD THIS MODULE

This kernel module contains numerous security vulnerabilities.

It is intended purely as a testbed for vulnerability detection tools.

The idea is to provide a collection of kernel code that looks plausible, but actually contains vulnerabilities.

Caveat: this is my first ever kernel module, so I may have committed more mistakes than I intended.

This code is intended to permanently stay out of the main kernel tree, so that if anyone does insmod it, the "taint" flag will be set.

See also:

samples/kmemleak/kmemleak-test.c
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Comments
  • Caveat question

    Caveat question

    Sorry, this is really minor, but shouldn't the caveat sound like this?

    Caveat: this is my first ever kernel module, so I may have committed less mistakes than I intended.

    opened by dmig 1
  • End-user sign bit overflow during fork()

    End-user sign bit overflow during fork()

    At the time of writing there are 4 forks of this repo on Github. This poses a problem: should downstream improvements to the module be classified as bugs, and changes that worsen it as fixes? Is the act of forking this project a form of resource leak?

    opened by imaami 1
Owner
David Malcolm
FLOSS developer at Red Hat, currently focusing on GCC
David Malcolm
GitHub
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