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doc: add c++17-enable to fuzzing instructions

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pull/764/head
Martin Zumsande 5 years ago
parent 88d8b4e182
commit 872aa25fa1
1 changed files with 4 additions and 4 deletions
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8
doc/fuzzing.md
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@ -8,7 +8,7 @@ To quickly get started fuzzing Bitcoin Core using [libFuzzer](https://llvm.org/d
$ git clone https://github.com/bitcoin/bitcoin $ git clone https://github.com/bitcoin/bitcoin
$ cd bitcoin/ $ cd bitcoin/
$ ./autogen.sh $ ./autogen.sh
$ CC=clang CXX=clang++ ./configure --enable-fuzz --with-sanitizers=address,fuzzer,undefined $ CC=clang CXX=clang++ ./configure --enable-fuzz --with-sanitizers=address,fuzzer,undefined --enable-c++17
# macOS users: If you have problem with this step then make sure to read "macOS hints for # macOS users: If you have problem with this step then make sure to read "macOS hints for
# libFuzzer" on https://github.com/bitcoin/bitcoin/blob/master/doc/fuzzing.md#macos-hints-for-libfuzzer # libFuzzer" on https://github.com/bitcoin/bitcoin/blob/master/doc/fuzzing.md#macos-hints-for-libfuzzer
$ make $ make
@ -103,7 +103,7 @@ You may also need to take care of giving the correct path for `clang` and
Full configure that was tested on macOS Catalina with `brew` installed `llvm`: Full configure that was tested on macOS Catalina with `brew` installed `llvm`:
```sh ```sh
./configure --enable-fuzz --with-sanitizers=fuzzer,address,undefined CC=/usr/local/opt/llvm/bin/clang CXX=/usr/local/opt/llvm/bin/clang++ --disable-asm ./configure --enable-fuzz --with-sanitizers=fuzzer,address,undefined CC=/usr/local/opt/llvm/bin/clang CXX=/usr/local/opt/llvm/bin/clang++ --disable-asm --enable-c++17
``` ```
Read the [libFuzzer documentation](https://llvm.org/docs/LibFuzzer.html) for more information. This [libFuzzer tutorial](https://github.com/google/fuzzing/blob/master/tutorial/libFuzzerTutorial.md) might also be of interest. Read the [libFuzzer documentation](https://llvm.org/docs/LibFuzzer.html) for more information. This [libFuzzer tutorial](https://github.com/google/fuzzing/blob/master/tutorial/libFuzzerTutorial.md) might also be of interest.
@ -121,7 +121,7 @@ $ git clone https://github.com/google/afl
$ make -C afl/ $ make -C afl/
$ make -C afl/llvm_mode/ $ make -C afl/llvm_mode/
$ ./autogen.sh $ ./autogen.sh
$ CC=$(pwd)/afl/afl-clang-fast CXX=$(pwd)/afl/afl-clang-fast++ ./configure --enable-fuzz $ CC=$(pwd)/afl/afl-clang-fast CXX=$(pwd)/afl/afl-clang-fast++ ./configure --enable-fuzz --enable-c++17
$ make $ make
# For macOS you may need to ignore x86 compilation checks when running "make". If so, # For macOS you may need to ignore x86 compilation checks when running "make". If so,
# try compiling using: AFL_NO_X86=1 make # try compiling using: AFL_NO_X86=1 make
@ -148,7 +148,7 @@ $ git clone https://github.com/google/honggfuzz
$ cd honggfuzz/ $ cd honggfuzz/
$ make $ make
$ cd .. $ cd ..
$ CC=$(pwd)/honggfuzz/hfuzz_cc/hfuzz-clang CXX=$(pwd)/honggfuzz/hfuzz_cc/hfuzz-clang++ ./configure --enable-fuzz --with-sanitizers=address,undefined $ CC=$(pwd)/honggfuzz/hfuzz_cc/hfuzz-clang CXX=$(pwd)/honggfuzz/hfuzz_cc/hfuzz-clang++ ./configure --enable-fuzz --with-sanitizers=address,undefined --enable-c++17
$ make $ make
$ mkdir -p inputs/ $ mkdir -p inputs/
$ honggfuzz/honggfuzz -i inputs/ -- src/test/fuzz/process_message $ honggfuzz/honggfuzz -i inputs/ -- src/test/fuzz/process_message

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