공유기 Fuzzer 구성 — AFL + ASAN 환경 세팅

# apt install -y build-essential python3-dev automake git flex bison libglib2.0-dev libpixman-1-dev python3-setuptools lld-11 llvm-11 llvm-11-dev clang-11 || sudo apt-get install -y lld llvm llvm-dev clang
# apt install -y gcc-$(gcc --version|head -n1|sed 's/.* //'|sed 's/\..*//')-plugin-dev libstdc++-$(gcc --version|head -n1|sed 's/.* //'|sed 's/\..*//')-dev

$ export AFL_USE_ASAN=1
$ export PATH=/usr/lib/llvm-6.0/bin:$PATH
$ wget http://lcamtuf.coredump.cx/afl/releases/afl-latest.tgz
$ tar -xvf afl-latest.tgz
$ cd afl-2.52b/
$ make
$ sudo make install
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$ cd ./llvm_mode
$ sudo ln -s /usr/bin/llvm-config-12 /usr/local/bin/llvm-config
$ sudo ln -s /usr/bin/clang-12 /usr/local/bin/clang
$ sudo ln -s /usr/bin/clang++-12 /usr/local/bin/clang++
 
$ vi Makefile
echo 0 | ../afl-showmap -m none -q -o .test-instr0 ./test-instr ->
echo 0 | ../afl-showmap -m none -q -o .test-instr0 ./test-instr < /dev/null 로 변경
$ make