mirror of https://github.com/google/oss-fuzz.git
93 lines
3.0 KiB
Bash
Executable File
93 lines
3.0 KiB
Bash
Executable File
# Copyright 2022 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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################################################################################
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#!/bin/bash -eu
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# Testcase 1. Valid fuzzer build.
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################################################################################
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./configure
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make -j$(nproc) clean
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make -j$(nproc) all
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$CXX $CXXFLAGS -std=c++11 -I. \
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$SRC/bad_example_fuzzer.cc -o $OUT/bad_example_valid_build \
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$LIB_FUZZING_ENGINE ./libz.a
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# Testcase 2. Silent startup crash.
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################################################################################
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./configure
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make -j$(nproc) clean
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make -j$(nproc) all
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$CXX $CXXFLAGS -std=c++11 -I. -DINTENTIONAL_STARTUP_CRASH \
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$SRC/bad_example_fuzzer.cc -o $OUT/bad_example_startup_crash \
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$LIB_FUZZING_ENGINE ./libz.a
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# The latest two examples won't work for coverage or introspector, bail out.
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if [[ $SANITIZER = *coverage* || $SANITIZER = *introspector* ]]; then
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exit 0
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fi
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# Testcase 3. Partially ignore the flags provided by OSS-Fuzz.
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################################################################################
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export CFLAGS_ORIG="$CFLAGS"
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export CFLAGS="-O1"
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export CXXFLAGS_ORIG="$CXXFLAGS"
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export CXXFLAGS="-O1 -stdlib=libc++"
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# We need to pass static as zlib fails to build shared lib in OSS-Fuzz env.
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./configure --static
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make -j$(nproc) clean
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make -j$(nproc) all
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$CXX -fsanitize=$SANITIZER $CXXFLAGS_ORIG -std=c++11 -I. \
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$SRC/bad_example_fuzzer.cc -o $OUT/bad_example_partial_instrumentation \
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$LIB_FUZZING_ENGINE ./libz.a
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# Testcase 4. Completely ignore the flags provided by OSS-Fuzz.
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################################################################################
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# We need to pass static as zlib fails to build shared lib in OSS-Fuzz env.
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./configure --static
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make -j$(nproc) clean
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make -j$(nproc) all
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$CXX -fsanitize=$SANITIZER $CXXFLAGS -std=c++11 -I. \
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$SRC/bad_example_fuzzer.cc -o $OUT/bad_example_no_instrumentation \
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$LIB_FUZZING_ENGINE ./libz.a
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# Testcase 5. Enable multiple sanitizers.
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################################################################################
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# Add UBSan to ASan or MSan build. Add ASan to UBSan build.
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EXTRA_SANITIZER="undefined"
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if [[ $SANITIZER = *undefined* ]]; then
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EXTRA_SANITIZER="address"
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fi
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export CFLAGS="$CFLAGS_ORIG -fsanitize=$EXTRA_SANITIZER"
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export CXXFLAGS="$CXXFLAGS_ORIG -fsanitize=$EXTRA_SANITIZER"
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./configure
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make -j$(nproc) clean
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make -j$(nproc) all
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$CXX $CXXFLAGS -std=c++11 -I. \
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$SRC/bad_example_fuzzer.cc -o $OUT/bad_example_mixed_sanitizers \
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$LIB_FUZZING_ENGINE ./libz.a
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