Problem

gdb warns about unhandled signal:

Program received signal SIGILL, illegal instruction.

The solutio is to add a signal handler

handle SIGILL pass nostop noprint

log to file

ASAN_OPTIONS="log_path=asan.log" ./a.out

full docs: https://github.com/google/sanitizers/wiki/AddressSanitizerFlags

globally for the CMakeLists.txt project:

add_compile_options(-fsanitize=address)
add_link_options(-fsanitize=address)

for a target:

target_compile_options(<build-target> PRIVATE -fsanitize=address)
target_link_options(<build-target> PRIVATE -fsanitize=address)

Problem when executing a binary:

FATAL: ThreadSanitizer: unexpected memory mapping 0x5a36aaebd000-0x5a36aafd2000

Sulution, disable ASLR for testing:

setarch --addr-no-randomize build/path/to/binary

or:

sudo sysctl vm.mmap_rnd_bits=30   # 30: partly, 28 totally