ClickHouse/dbms/tests/instructions/sanitizers.md
2019-01-06 19:43:46 +03:00

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# How to use Address Sanitizer
Note: We use Address Sanitizer to run functional tests for every commit automatically.
```
mkdir build_asan && cd build_asan
```
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_tsan && cd build_tsan
```
```
CC=clang CXX=clang++ cmake -D SANITIZE=thread ..
ninja
```
## Start ClickHouse and run tests
```
sudo -u clickhouse TSAN_OPTIONS='halt_on_error=1,suppressions=../dbms/tests/tsan_suppressions.txt' ./clickhouse-tsan server --config /etc/clickhouse-server/config.xml
```
# How to use Undefined Behaviour Sanitizer
```
mkdir build_ubsan && cd build_ubsan
```
Note: clang is mandatory, because gcc (in version 8) has false positives due to devirtualization and it has less amount of checks.
```
CC=clang CXX=clang++ cmake -D SANITIZE=undefined ..
ninja
```
## Start ClickHouse and run tests
```
sudo -u clickhouse UBSAN_OPTIONS='print_stacktrace=1' ./clickhouse-ubsan server --config /etc/clickhouse-server/config.xml
```
# How to use Memory Sanitizer
TODO