def build():
"""Build benchmark."""
# With LibFuzzer we use -fsanitize=fuzzer-no-link for build CFLAGS and then
# /usr/lib/libFuzzer.a as the FUZZER_LIB for the main fuzzing binary. This
# allows us to link against a version of LibFuzzer that we specify.
cflags = ['-fsanitize=fuzzer-no-link']
# Can be removed once the patch https://reviews.llvm.org/D83987
# appears in gcr.io/fuzzbench/base-builder
cflags += ['-fno-builtin-bcmp']
cflags += ['-fno-builtin-memcmp']
cflags += ['-fno-builtin-strncmp']
cflags += ['-fno-builtin-strcmp']
cflags += ['-fno-builtin-strncasecmp']
cflags += ['-fno-builtin-strcasecmp']
cflags += ['-fno-builtin-strstr']
cflags += ['-fno-builtin-strcasestr']
cflags += ['-fno-builtin-memmem']
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['CC'] = 'clang'
os.environ['CXX'] = 'clang++'
os.environ['FUZZER_LIB'] = '/usr/lib/libFuzzer.a'
utils.build_benchmark()
def build():
"""Build benchmark."""
afl_fuzzer.prepare_build_environment()
utils.build_benchmark()
print('[post_build] Copying Ankou to $OUT directory')
shutil.copy('/Ankou', os.environ['OUT'])
def build():
# Environment variables
os.environ['CC'] = 'clang' # C compiler.
os.environ['CXX'] = 'clang++' # C++ compiler.
os.environ['FUZZER_LIB'] = '/river/empty_lib.o' # Empty fuzz library
utils.build_benchmark()
shutil.copytree('/river', os.environ['OUT'], dirs_exist_ok=True)
print('[post_build] Finished river building process')
def build():
"""Build benchmark."""
prepare_build_environment()
utils.build_benchmark()
print('[post_build] Copying afl-fuzz to $OUT directory')
# Copy out the afl-fuzz binary as a build artifact.
shutil.copy('/afl/afl-fuzz', os.environ['OUT'])
def build():
"""Build an AFL version and SymCC version of the benchmark"""
print("Step 1: Building with AFL")
build_directory = os.environ['OUT']
# Save the environment for use in SymCC
new_env = os.environ.copy()
# First build with AFL.
src = os.getenv('SRC')
work = os.getenv('WORK')
with utils.restore_directory(src), utils.restore_directory(work):
# Restore SRC to its initial state so we can build again without any
# trouble. For some OSS-Fuzz projects, build_benchmark cannot be run
# twice in the same directory without this.
aflplusplus_fuzzer.build()
print("Step 2: Completed AFL build")
# Copy over AFL artifacts needed by SymCC.
shutil.copy("/afl/afl-fuzz", build_directory)
shutil.copy("/afl/afl-showmap", build_directory)
# Build the SymCC-instrumented target.
print("Step 3: Building the benchmark with SymCC")
symcc_build_dir = get_symcc_build_dir(os.environ['OUT'])
os.mkdir(symcc_build_dir)
# Set flags to ensure compilation with SymCC.
new_env['CC'] = "/symcc/build/symcc"
new_env['CXX'] = "/symcc/build/sym++"
new_env['CXXFLAGS'] = new_env['CXXFLAGS'].replace("-stlib=libc++", "")
new_env['FUZZER_LIB'] = '/libfuzzer-harness.o'
new_env['OUT'] = symcc_build_dir
new_env['CXXFLAGS'] += " -fno-sanitize=all "
new_env['CFLAGS'] += " -fno-sanitize=all "
# Setting this environment variable instructs SymCC to use the
# libcxx library compiled with SymCC instrumentation.
new_env['SYMCC_LIBCXX_PATH'] = "/libcxx_native_build"
# Instructs SymCC to consider no symbolic inputs at runtime. This is needed
# if, for example, some tests are run during compilation of the benchmark.
new_env['SYMCC_NO_SYMBOLIC_INPUT'] = "1"
# Build benchmark.
utils.build_benchmark(env=new_env)
# Copy over symcc artifacts and symbolic libc++.
shutil.copy(
"/symcc/build//SymRuntime-prefix/src/SymRuntime-build/libSymRuntime.so",
symcc_build_dir)
shutil.copy("/usr/lib/libz3.so", os.path.join(symcc_build_dir, "libz3.so"))
shutil.copy("/libcxx_native_build/lib/libc++.so.1", symcc_build_dir)
shutil.copy("/libcxx_native_build/lib/libc++abi.so.1", symcc_build_dir)
shutil.copy("/rust/bin/symcc_fuzzing_helper", symcc_build_dir)
def build():
"""Build benchmark."""
prepare_build_environment()
utils.build_benchmark()
print('[post_build] Extracting .bc file')
fuzz_target = os.getenv('FUZZ_TARGET')
fuzz_target_path = os.path.join(os.environ['OUT'], fuzz_target)
post_build(fuzz_target_path)
def build():
"""Build benchmark."""
# QEMU does not work with sanitizers.
# See https://github.com/SoftSec-KAIST/Eclipser/issues/5
os.environ['CC'] = 'clang'
os.environ['CXX'] = 'clang++'
os.environ['FUZZER_LIB'] = '/libStandaloneFuzzTarget.a'
utils.build_benchmark()
def build():
"""Build benchmark."""
prepare_build_environment()
utils.build_benchmark()
print('[post_build] Extracting .bc file')
fuzz_targets = get_fuzz_targets()
for fuzz_target in fuzz_targets:
post_build(fuzz_target)
def build():
"""Build benchmark."""
cflags = ['-fsanitize=fuzzer-no-link']
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['CC'] = 'clang'
os.environ['CXX'] = 'clang++'
os.environ['FUZZER_LIB'] = '/libEntropic.a'
utils.build_benchmark()
def build():
"""Build benchmark."""
os.environ['CC'] = 'clang'
os.environ['CXX'] = 'clang++'
os.environ['FUZZER_LIB'] = '/libQEMU.a'
utils.build_benchmark()
# Copy over weizz's binaries.
shutil.copy('/weizz/weizz', os.environ['OUT'])
shutil.copy('/weizz/weizz-qemu', os.environ['OUT'])
def build():
"""Build benchmark."""
cflags = ['-fsanitize-coverage=trace-pc-guard']
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['CC'] = 'clang'
os.environ['CXX'] = 'clang++'
os.environ['FUZZER_LIB'] = '/usr/lib/libFuzzer.a'
utils.build_benchmark()
def build():
"""Build benchmark."""
cflags = ['-fprofile-instr-generate', '-fcoverage-mapping']
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['CC'] = 'clang'
os.environ['CXX'] = 'clang++'
os.environ['FUZZER_LIB'] = '/usr/lib/libFuzzer.a'
utils.build_benchmark()
def build():
"""Build benchmark."""
prepare_build_environment()
utils.build_benchmark()
fuzz_target = os.getenv('FUZZ_TARGET')
fuzz_target_path = os.path.join(os.environ['OUT'], fuzz_target)
getbc_cmd = f'extract-bc {fuzz_target_path}'
if os.system(getbc_cmd) != 0:
raise ValueError('extract-bc failed')
get_bcs_for_shared_libs(fuzz_target_path)
def build():
"""Build benchmark."""
# honggfuzz doesn't need additional libraries when code is compiled
# with hfuzz-clang(++)
os.environ['CC'] = '/honggfuzz/hfuzz_cc/hfuzz-clang'
os.environ['CXX'] = '/honggfuzz/hfuzz_cc/hfuzz-clang++'
os.environ['FUZZER_LIB'] = '/honggfuzz/empty_lib.o'
utils.build_benchmark()
print('[post_build] Copying honggfuzz to $OUT directory')
# Copy over honggfuzz's main fuzzing binary.
shutil.copy('/honggfuzz/honggfuzz', os.environ['OUT'])
def build():
"""Build benchmark."""
# With LibFuzzer we use -fsanitize=fuzzer-no-link for build CFLAGS and then
# /usr/lib/libFuzzer.a as the FUZZER_LIB for the main fuzzing binary. This
# allows us to link against a version of LibFuzzer that we specify.
cflags = [ '-fsanitize=fuzzer-no-link']
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['CC'] = '/clangwrapper'
os.environ['CXX'] = '/clang++wrapper'
os.environ['FUZZER_LIB'] = '/usr/lib/libFuzzer.a'
utils.build_benchmark()
def build():
"""Build benchmark."""
cflags = ['-fsanitize=fuzzer-no-link']
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['CC'] = 'clang'
os.environ['CXX'] = 'clang++'
os.environ['FUZZER_LIB'] = '/fuzzer.a'
utils.build_benchmark()
output_directory = os.environ['OUT']
print('[post_build] Copy config.')
shutil.copy('/fuzzer.yml', output_directory)
def build(): # pylint: disable=too-many-branches,too-many-statements
"""Build benchmark."""
os.environ['CC'] = '/libafl/fuzzers/fuzzbench/target/release/libafl_cc'
os.environ['CXX'] = '/libafl/fuzzers/fuzzbench/target/release/libafl_cxx'
os.environ['ASAN_OPTIONS'] = 'abort_on_error=0:allocator_may_return_null=1'
os.environ['UBSAN_OPTIONS'] = 'abort_on_error=0'
cflags = ['--libafl']
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['FUZZER_LIB'] = '/emptylib.a'
utils.build_benchmark()
def build():
"""Build benchmark."""
# QEMU does not work with sanitizers, so skip -fsanitize=. See
# https://github.com/SoftSec-KAIST/Eclipser/issues/5
utils.set_no_sanitizer_compilation_flags()
cflags = ['-O3']
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['CC'] = 'clang'
os.environ['CXX'] = 'clang++'
os.environ['FUZZER_LIB'] = '/libStandaloneFuzzTarget.a'
utils.build_benchmark()
def build():
"""Build benchmark."""
prepare_build_environment()
utils.build_benchmark()
fuzz_targets = get_fuzz_target()
for target in fuzz_targets:
getbc_cmd = 'extract-bc {target}'.format(target=target)
if os.system(getbc_cmd) != 0:
raise ValueError('extract-bc failed')
for target in fuzz_targets:
get_bcs_for_shared_libs(target)
def build():
"""Build benchmark."""
prepare_build_environment()
utils.build_benchmark()
output_directory = os.environ['OUT']
# Copy out the afl-fuzz binary as a build artifact.
print('[post_build] Copying afl-fuzz to $OUT directory')
shutil.copy('/afl/afl-fuzz', output_directory)
# Neuzz also requires afl-showmap.
print('[post_build] Copying afl-showmap to $OUT directory')
shutil.copy('/afl/afl-showmap', output_directory)
# Copy the Neuzz fuzzer itself.
print('[post_build] Copy neuzz fuzzer.')
shutil.copy('/neuzz/neuzz', output_directory)
shutil.copy('/neuzz/nn.py', output_directory)
def build():
"""Build benchmark."""
# With LibFuzzer we use -fsanitize=fuzzer-no-link for build CFLAGS and then
# /usr/lib/libFuzzer.a as the FUZZER_LIB for the main fuzzing binary. This
# allows us to link against a version of LibFuzzer that we specify.
cflags = ['-fsanitize-coverage=trace-pc-guard']
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['CC'] = 'clang'
os.environ['CXX'] = 'clang++'
os.environ['FUZZER_LIB'] = '/libaflfuzzer.a'
os.environ['AFL_LLVM_LAF_ALL'] = '1'
utils.build_benchmark()
def build():
"""Build fuzzer."""
cflags = [
'-O2',
'-fno-omit-frame-pointer',
'-gline-tables-only',
'-fsanitize=address,fuzzer-no-link',
]
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['CC'] = 'clang'
os.environ['CXX'] = 'clang++'
os.environ['FUZZER_LIB'] = '/libEntropic.a'
utils.build_benchmark()
def build():
"""Build benchmark."""
# honggfuzz doesn't need additional libraries when code is compiled
# with hfuzz-clang(++)
os.environ['CC'] = 'clang'
os.environ['CXX'] = 'clang++'
os.environ['FUZZER_LIB'] = '/libQEMU.a'
utils.build_benchmark()
print('[post_build] Copying honggfuzz to $OUT directory')
# Copy over honggfuzz's main fuzzing binary.
shutil.copy('/honggfuzz/honggfuzz', os.environ['OUT'])
shutil.copy(
'/honggfuzz/qemu_mode/honggfuzz-qemu/x86_64-linux-user/qemu-x86_64',
os.environ['OUT'])
def build():
"""Build benchmark."""
# Backup the environment.
new_env = os.environ.copy()
src = os.getenv('SRC')
work = os.getenv('WORK')
out = os.getenv('OUT')
# First, build an instrumented binary for AFL.
os.environ['CC'] = '/out/AFLplusplus/afl-clang-fast'
os.environ['CXX'] = '/out/AFLplusplus/afl-clang-fast++'
os.environ['FUZZER_LIB'] = '/libAFLDriver.a'
os.environ['AFL_PATH'] = '/out/AFLplusplus/'
os.environ['AFL_LLVM_DICT2FILE'] = out + '/afl++.dict'
#afl_fuzzer.prepare_build_environment()
with utils.restore_directory(src), utils.restore_directory(work):
# Restore SRC to its initial state so we can build again without any
# trouble. For some OSS-Fuzz projects, build_benchmark cannot be run
# twice in the same directory without this.
utils.build_benchmark()
print('[build] Copying afl-fuzz to $OUT directory')
shutil.copy('/out/AFLplusplus/afl-fuzz', os.environ['OUT'])
# Next, build an uninstrumented binary for Fuzzolic.
new_env['CC'] = 'clang'
new_env['CXX'] = 'clang++'
new_env['FUZZER_LIB'] = '/libStandaloneFuzzTarget.a'
# Ensure to compile with NO_SANITIZER_COMPAT* flags even for bug benchmarks,
# as QEMU is incompatible with sanitizers. Also, Fuzzolic prefers clean and
# unoptimized binaries. We leave fast random fuzzing as AFL's job.
new_env['CFLAGS'] = ' '.join(utils.NO_SANITIZER_COMPAT_CFLAGS)
cxxflags = [utils.LIBCPLUSPLUS_FLAG] + utils.NO_SANITIZER_COMPAT_CFLAGS
new_env['CXXFLAGS'] = ' '.join(cxxflags)
uninstrumented_outdir = get_uninstrumented_outdir(os.environ['OUT'])
os.mkdir(uninstrumented_outdir)
new_env['OUT'] = uninstrumented_outdir
fuzz_target = os.getenv('FUZZ_TARGET')
if fuzz_target:
targ_name = os.path.basename(fuzz_target)
new_env['FUZZ_TARGET'] = os.path.join(uninstrumented_outdir, targ_name)
print('[build] Re-building benchmark for uninstrumented fuzzing target')
with utils.restore_directory(src), utils.restore_directory(work):
utils.build_benchmark(env=new_env)
def build():
"""Build fuzzer."""
afl_fuzzer.prepare_build_environment()
# Override AFL's FUZZER_LIB with QSYM's.
os.environ['FUZZER_LIB'] = '/libQSYM.a'
src = os.getenv('SRC')
work = os.getenv('WORK')
with utils.restore_directory(src), utils.restore_directory(work):
# Restore SRC to its initial state so we can build again without any
# trouble. For some OSS-Fuzz projects, build_benchmark cannot be run
# twice in the same directory without this.
utils.build_benchmark()
# QSYM requires an uninstrumented build as well.
new_env = os.environ.copy()
utils.set_no_sanitizer_compilation_flags(new_env)
cflags = ['-O2', '-fno-omit-frame-pointer', '-gline-tables-only']
utils.append_flags('CFLAGS', cflags, new_env)
utils.append_flags('CXXFLAGS', cflags, new_env)
# For uninstrumented build, set the OUT and FUZZ_TARGET environment
# variable to point to the new uninstrumented build directory.
build_directory = os.environ['OUT']
uninstrumented_build_directory = get_uninstrumented_build_directory(
build_directory)
os.mkdir(uninstrumented_build_directory)
new_env['OUT'] = uninstrumented_build_directory
fuzz_target = os.getenv('FUZZ_TARGET')
if fuzz_target:
new_env['FUZZ_TARGET'] = os.path.join(uninstrumented_build_directory,
os.path.basename(fuzz_target))
print('Re-building benchmark for uninstrumented fuzzing target')
utils.build_benchmark(env=new_env)
print('[post_build] Copying afl-fuzz to $OUT directory')
# Copy out the afl-fuzz binary as a build artifact.
shutil.copy('/afl/afl-fuzz', build_directory)
# QSYM also requires afl-showmap.
print('[post_build] Copying afl-showmap to $OUT directory')
shutil.copy('/afl/afl-showmap', build_directory)
def build():
"""Build benchmark."""
os.environ['AFL_MAP_SIZE'] = '65536'
os.environ['AFL_LLVM_MAP_ADDR'] = '0x1000000'
os.environ['ZAFL_FIXED_MAP_ADDR'] = '0x1000000'
os.environ['CC'] = '/cc.sh'
os.environ['CXX'] = '/cxx.sh'
if 'LD_LIBRARY_PATH' in os.environ:
os.environ['LD_LIBRARY_PATH'] = os.environ['LD_LIBRARY_PATH'] + ":/out"
else:
os.environ['LD_LIBRARY_PATH'] = "/out"
utils.append_flags('CFLAGS', ['-fPIC', '-lpthread'])
utils.append_flags('CXXFLAGS', ['-fPIC', '-lpthread'])
os.environ['FUZZER_LIB'] = '/out/fakeLibrary.a'
utils.build_benchmark()
res = os.system('bash -x /zafl_bins.sh')
if res != 0:
os.system('rm -rf /out')
def build():
"""Build benchmark."""
utils.set_no_sanitizer_compilation_flags()
cflags = ['-O3']
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
# honggfuzz doesn't need additional libraries when code is compiled
# with hfuzz-clang(++)
os.environ['CC'] = '/honggfuzz/hfuzz_cc/hfuzz-clang'
os.environ['CXX'] = '/honggfuzz/hfuzz_cc/hfuzz-clang++'
os.environ['FUZZER_LIB'] = '/honggfuzz/empty_lib.o'
utils.build_benchmark()
print('[post_build] Copying honggfuzz to $OUT directory')
# Copy over honggfuzz's main fuzzing binary.
shutil.copy('/honggfuzz/honggfuzz', os.environ['OUT'])
def build():
"""Build fuzzer."""
cflags = [
'-O2',
'-fno-omit-frame-pointer',
'-gline-tables-only',
'-fsanitize=address',
]
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['CC'] = '/honggfuzz/hfuzz_cc/hfuzz-clang'
os.environ['CXX'] = '/honggfuzz/hfuzz_cc/hfuzz-clang++'
os.environ['FUZZER_LIB'] = '/honggfuzz/libhfuzz/persistent.o'
utils.build_benchmark()
print('[post_build] Copying honggfuzz to $OUT directory')
# Copy over honggfuzz's main fuzzing binary.
shutil.copy('/honggfuzz/honggfuzz', os.environ['OUT'])
def build():
"""Build fuzzer."""
cflags = ['-O3']
utils.set_no_sanitizer_compilation_flags()
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['CC'] = '/afl/afl-clang-fast'
os.environ['CXX'] = '/afl/afl-clang-fast++'
os.environ['FUZZER_LIB'] = '/libAFLDriver.a'
# Some benchmarks like lcms
# (see: https://github.com/mm2/Little-CMS/commit/ab1093539b4287c233aca6a3cf53b234faceb792#diff-f0e6d05e72548974e852e8e55dffc4ccR212)
# fail to compile if the compiler outputs things to stderr in unexpected
# cases. Prevent these failures by using AFL_QUIET to stop afl-clang-fast
# from writing AFL specific messages to stderr.
os.environ['AFL_QUIET'] = '1'
utils.build_benchmark()
shutil.copy('/afl/afl-fuzz', os.environ['OUT'])
def build():
"""Build fuzzer."""
# With LibFuzzer we use -fsanitize=fuzzer-no-link for build CFLAGS and then
# /usr/lib/libFuzzer.a as the FUZZER_LIB for the main fuzzing binary. This
# allows us to link against a version of LibFuzzer that we specify.
cflags = [
'-O2',
'-fno-omit-frame-pointer',
'-gline-tables-only',
'-fsanitize=address,fuzzer-no-link',
]
utils.append_flags('CFLAGS', cflags)
utils.append_flags('CXXFLAGS', cflags)
os.environ['CC'] = 'clang'
os.environ['CXX'] = 'clang++'
os.environ['FUZZER_LIB'] = '/usr/lib/libFuzzer.a'
utils.build_benchmark()
