message: doc: Update fuzzing docs for afl-clang-lto
diff: @@ -108,33 +108,32 @@ Full configure that was tested on macOS Catalina with `brew` installed `llvm`:
  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.
  -# Fuzzing Bitcoin Core using american fuzzy lop (`afl-fuzz`)
  +# Fuzzing Bitcoin Core using afl++
  ## Quickstart guide
  -To quickly get started fuzzing Bitcoin Core using [`afl-fuzz`](https://github.com/google/afl):
  +To quickly get started fuzzing Bitcoin Core using [afl++](https://github.com/AFLplusplus/AFLplusplus):
  ```sh
  $ git clone https://github.com/bitcoin/bitcoin
  $ cd bitcoin/
  -$ git clone https://github.com/google/afl
  -$ make -C afl/
  -$ make -C afl/llvm_mode/
  +$ git clone https://github.com/AFLplusplus/AFLplusplus
  +$ make -C AFLplusplus/ source-only
  $ ./autogen.sh
  -# It is possible to compile with afl-gcc and afl-g++ instead of afl-clang. However, running afl-fuzz
  -# may require more memory via the -m flag.
  -$ CC=$(pwd)/afl/afl-clang-fast CXX=$(pwd)/afl/afl-clang-fast++ ./configure --enable-fuzz
  +# If afl-clang-lto is not available, see
  +# https://github.com/AFLplusplus/AFLplusplus#a-selecting-the-best-afl-compiler-for-instrumenting-the-target
  +$ CC=$(pwd)/AFLplusplus/afl-clang-lto CXX=$(pwd)/AFLplusplus/afl-clang-lto++ ./configure --enable-fuzz
  $ make
  # For macOS you may need to ignore x86 compilation checks when running "make". If so,
  # try compiling using: AFL_NO_X86=1 make
  $ mkdir -p inputs/ outputs/
  $ echo A > inputs/thin-air-input
  -$ FUZZ=bech32 afl/afl-fuzz -i inputs/ -o outputs/ -- src/test/fuzz/fuzz
  +$ FUZZ=bech32 AFLplusplus/afl-fuzz -i inputs/ -o outputs/ -- src/test/fuzz/fuzz
  # You may have to change a few kernel parameters to test optimally - afl-fuzz
  # will print an error and suggestion if so.
  ```
  -Read the [`afl-fuzz` documentation](https://github.com/google/afl) for more information.
  +Read the [afl++ documentation](https://github.com/AFLplusplus/AFLplusplus) for more information.
  # Fuzzing Bitcoin Core using Honggfuzz
  