2021-05-03 18:48:34 +00:00
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#!/bin/bash -eu
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# Copyright 2021 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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# Temporary workaround for https://github.com/google/oss-fuzz/issues/5697
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wget https://github.com/bitcoin/bitcoin/commit/0be1cb158899374722961b844f9f4b0dc5f8558b.patch
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( patch -p1 < ./*.patch ) || true
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# Build dependencies
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# This will also force static builds
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if [ "$ARCHITECTURE" = "i386" ]; then
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export BUILD_TRIPLET="i686-pc-linux-gnu"
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else
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export BUILD_TRIPLET="x86_64-pc-linux-gnu"
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fi
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(
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cd depends
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make HOST=$BUILD_TRIPLET DEBUG=1 NO_QT=1 NO_WALLET=1 NO_ZMQ=1 NO_UPNP=1 NO_NATPMP=1 -j$(nproc)
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)
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# Build the fuzz targets
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./autogen.sh
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# OSS-Fuzz will provide CC, CXX, etc. So only set:
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# * --enable-fuzz, see https://github.com/bitcoin/bitcoin/blob/master/doc/fuzzing.md
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# * CONFIG_SITE, see https://github.com/bitcoin/bitcoin/blob/master/depends/README.md
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2021-05-04 03:08:50 +00:00
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if [ "$FUZZING_ENGINE" = "libfuzzer" ]; then
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CONFIG_SITE="$PWD/depends/$BUILD_TRIPLET/share/config.site" ./configure --enable-fuzz --with-sanitizers=fuzzer
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else
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# See https://google.github.io/oss-fuzz/getting-started/new-project-guide/#Requirements
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CONFIG_SITE="$PWD/depends/$BUILD_TRIPLET/share/config.site" ./configure --enable-fuzz LDFLAGS="$LIB_FUZZING_ENGINE"
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fi
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2021-05-03 18:48:34 +00:00
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make -j$(nproc)
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2021-05-04 03:08:50 +00:00
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# Limit to a few targets as temporary workaround for https://github.com/google/oss-fuzz/pull/5699#issuecomment-831030305
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FUZZ_TARGETS=( 'process_messages' 'asmap' )
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for fuzz_target in ${FUZZ_TARGETS[@]}; do
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sed -i "s|std::getenv(\"FUZZ\")|\"$fuzz_target\"|g" "./src/test/fuzz/fuzz.cpp"
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make -j$(nproc)
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mv ./src/test/fuzz/fuzz $OUT/$fuzz_target
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(
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cd assets/fuzz_seed_corpus
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zip --recurse-paths --quiet --junk-paths "$OUT/${fuzz_target}_seed_corpus.zip" "${fuzz_target}"
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)
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done
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