Meaningful stack traces for address sanitizer in GCC

Question

I just tried compiling with GCC and the -fsanitize=address flag. When I run my program, the address sanitizer finds a flaw, but the stack trace is not helpful.

Answer 1

This is what is working for me:

• Make sure you have installed llvm (including llvm-symbolizer).

• Export the following variable

  export ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer

  (replace with your correct path to the llvm-symbolizer command).

• Now run your executable (a.out for now) as

  ASAN_OPTIONS=symbolize=1 a.out