ClickHouse/dbms/tests/instructions/sanitizers.md

How to use Address Sanitizer

Note: We use Address Sanitizer to run functional tests for every commit automatically.

mkdir build && cd build

Note: using clang instead of gcc is strongly recommended.

CC=clang CXX=clang++ cmake -D SANITIZE=address ..
ninja

Copy binary to your server

scp ./dbms/programs/clickhouse yourserver:~/clickhouse-asan

Start ClickHouse and run tests

sudo -u clickhouse ./clickhouse-asan server --config /etc/clickhouse-server/config.xml

How to use Thread Sanitizer

mkdir build && cd build

Note: All parameters are mandatory.

CC=clang CXX=clang++ cmake -D SANITIZE=thread ..
ninja

Copy binary to your server

scp ./dbms/programs/clickhouse yourserver:~/clickhouse-tsan

Start ClickHouse and run tests

sudo -u clickhouse TSAN_OPTIONS='halt_on_error=1' ./clickhouse-tsan server --config /etc/clickhouse-server/config.xml

How to use Memory Sanitizer

First, build libc++ with MSan:

svn co http://llvm.org/svn/llvm-project/llvm/trunk llvm
(cd llvm/projects && svn co http://llvm.org/svn/llvm-project/libcxx/trunk libcxx)
(cd llvm/projects && svn co http://llvm.org/svn/llvm-project/libcxxabi/trunk libcxxabi)

mkdir libcxx_msan && cd libcxx_msan
cmake ../llvm -DCMAKE_BUILD_TYPE=Release -DLLVM_USE_SANITIZER=Memory -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++
make cxx -j24

Then, build ClickHouse:

mkdir build && cd build

CC=clang CXX=clang++ cmake -D SANITIZE=memory -D LIBCXX_PATH=/home/milovidov/libcxx_msan ..