blame: source/misc/embedded_libs/fmt-11.0.2/test/fuzzing/build.sh

#!/bin/sh

#

# Creates fuzzer builds of various kinds

# - oss-fuzz emulated mode (makes sure a simulated invocation by oss-fuzz works)

# - libFuzzer build (you will need clang)

# - afl build (you will need afl)

#

#

# Copyright (c) 2019 Paul Dreik

#

# For the license information refer to format.h.

set -e

me=$(basename $0)

root=$(readlink -f "$(dirname "$0")/../..")

echo $me: root=$root

here=$(pwd)

CXXFLAGSALL="-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION= -g"

CMAKEFLAGSALL="$root -GNinja -DCMAKE_BUILD_TYPE=Debug -DFMT_DOC=Off -DFMT_TEST=Off -DFMT_FUZZ=On -DCMAKE_CXX_STANDARD=17"

CLANG=clang++-11

# For performance analysis of the fuzzers.

builddir=$here/build-fuzzers-perfanalysis

mkdir -p $builddir

cd $builddir

CXX="ccache g++" CXXFLAGS="$CXXFLAGSALL -g" cmake \

$CMAKEFLAGSALL \

-DFMT_FUZZ_LINKMAIN=On \

-DCMAKE_BUILD_TYPE=Release

cmake --build $builddir

# Builds the fuzzers as oss-fuzz does.

builddir=$here/build-fuzzers-ossfuzz

mkdir -p $builddir

cd $builddir

CXX=$CLANG \

CXXFLAGS="$CXXFLAGSALL -fsanitize=fuzzer-no-link" cmake \

cmake $CMAKEFLAGSALL \

-DFMT_FUZZ_LINKMAIN=Off \

-DFMT_FUZZ_LDFLAGS="-fsanitize=fuzzer"

cmake --build $builddir

# Builds fuzzers for local fuzzing with libfuzzer with asan+usan.

builddir=$here/build-fuzzers-libfuzzer

mkdir -p $builddir

cd $builddir

CXX=$CLANG \

CXXFLAGS="$CXXFLAGSALL -fsanitize=fuzzer-no-link,address,undefined" cmake \

cmake $CMAKEFLAGSALL \

-DFMT_FUZZ_LINKMAIN=Off \

-DFMT_FUZZ_LDFLAGS="-fsanitize=fuzzer"

cmake --build $builddir

# Builds a fast fuzzer for making coverage fast.

builddir=$here/build-fuzzers-fast

mkdir -p $builddir

cd $builddir

CXX=$CLANG \

CXXFLAGS="$CXXFLAGSALL -fsanitize=fuzzer-no-link -O3" cmake \

cmake $CMAKEFLAGSALL \

-DFMT_FUZZ_LINKMAIN=Off \

-DFMT_FUZZ_LDFLAGS="-fsanitize=fuzzer" \

 -DCMAKE_BUILD_TYPE=Release

cmake --build $builddir

# Builds fuzzers for local fuzzing with afl.

builddir=$here/build-fuzzers-afl

mkdir -p $builddir

cd $builddir

CXX="afl-g++" \

CXXFLAGS="$CXXFLAGSALL -fsanitize=address,undefined" \

cmake $CMAKEFLAGSALL \

-DFMT_FUZZ_LINKMAIN=On

cmake --build $builddir

echo $me: all good