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xiw llvm: add null and undef back
We removed both while moving to the FFI-based frontend, since the
monitors didn't need them.  For now only equality checking with
null is supported.
Latest commit d9600e5 Dec 13, 2019
Type Name Latest commit message Commit time
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.github/workflows kill github runtests Dec 7, 2019
scripts Update serval dockerfile Dec 7, 2019
serval llvm: add null and undef back Dec 13, 2019
test BPF: add support for JMP32 Dec 7, 2019
.gitignore Initial release Nov 14, 2019
LICENSE Initial release Nov 14, 2019 note on install Nov 14, 2019
info.rkt Initial release Nov 14, 2019


This repository contains the actively developed version of Serval. It may be unstable and break backward compatibility with previous versions of Serval. We recommend using this version unless you have a specific need to use an older version.

You can obtain older, stable snapshots of previous versions of Serval in two ways. Note that these snapshots are not under active development.

  • The SOSP'19 artifact repository contains a version of Serval used to verify the security monitors described in the paper.

  • The SOSP'19 tutorial materials contains a version of Serval that is used to verify a toy system. This version is useful for learning, but we do not recommend using it to verify a real system.


To install serval, first install Racket, then run

raco pkg install

from the root directory of this repository.

You can’t perform that action at this time.