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dashify what made sense in fuzzing.md

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Signed-off-by: Pasta <pasta@dashboost.org>
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Pasta 2019-08-26 17:25:02 -05:00
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doc/fuzzing.md
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@ -1,7 +1,7 @@
Fuzz-testing Bitcoin Core
Fuzz-testing Dash Core
==========================
A special test harness `test_bitcoin_fuzzy` is provided to provide an easy
A special test harness `test_dash_fuzzy` is provided to provide an easy
entry point for fuzzers and the like. In this document we'll describe how to
use it with AFL.
@ -20,13 +20,13 @@ export AFLPATH=$PWD
Instrumentation
----------------
To build Bitcoin Core using AFL instrumentation (this assumes that the
To build Dash Core using AFL instrumentation (this assumes that the
`AFLPATH` was set as above):
```
./configure --disable-ccache --disable-shared --enable-tests CC=${AFLPATH}/afl-gcc CXX=${AFLPATH}/afl-g++
export AFL_HARDEN=1
cd src/
make test/test_bitcoin_fuzzy
make test/test_dash_fuzzy
```
We disable ccache because we don't want to pollute the ccache with instrumented
objects, and similarly don't want to use non-instrumented cached objects linked
@ -35,7 +35,7 @@ in.
The fuzzing can be sped up significantly (~200x) by using `afl-clang-fast` and
`afl-clang-fast++` in place of `afl-gcc` and `afl-g++` when compiling. When
compiling using `afl-clang-fast`/`afl-clang-fast++` the resulting
`test_bitcoin_fuzzy` binary will be instrumented in such a way that the AFL
`test_dash_fuzzy` binary will be instrumented in such a way that the AFL
features "persistent mode" and "deferred forkserver" can be used. See
https://github.com/mcarpenter/afl/tree/master/llvm_mode for details.
@ -65,7 +65,7 @@ Fuzzing
To start the actual fuzzing use:
```
$AFLPATH/afl-fuzz -i ${AFLIN} -o ${AFLOUT} -m52 -- test/test_bitcoin_fuzzy
$AFLPATH/afl-fuzz -i ${AFLIN} -o ${AFLOUT} -m52 -- test/test_dash_fuzzy
```
You may have to change a few kernel parameters to test optimally - `afl-fuzz`