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Lagom: Add an option for standalone fuzzers to BuildFuzzers.sh

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This builds simple fuzzing binaries without any oss-fuzz specific
configuration and without any LibFuzzer instrumentation.
This commit is contained in:
Tim Schumacher 2023-04-13 16:22:03 +02:00 • committed by Sam Atkins
parent bebcf71bdc
commit dcd462a050
2 changed files with 16 additions and 0 deletions
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Meta/Lagom/ReadMe.md
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@ -63,6 +63,15 @@ To build with LLVM's libFuzzer, invoke the ``BuildFuzzers.sh`` script with no ar
(Note that we require clang >= 13, see the pick_clang() function in the script for the paths that are searched)
To build fuzzers without any kind of default instrumentation, pass the ``--standalone`` flag to ``BuildFuzzers.sh``:
```sh
./BuildFuzzers.sh --standalone
# This binary will read a single test input from a given filename (or, if no filename is given, from stdin) and exit.
./Build/lagom-fuzzers-standalone/Fuzzers/FuzzSomething
```
The fuzzing build's CMake cache can be manipulated with commands like `cmake -B Build/fuzzers -S . -DENABLE_LAGOM_LIBWEB=OFF`.
Any fuzzing results (particularly slow inputs, crashes, etc.) will be dropped in the current directory.