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c [2023/11/06 08:43] – ninec [2025/02/20 12:47] (current) – [tsan] nine
Line 12: Line 12:
 The solutio is to add a signal handler The solutio is to add a signal handler
   handle SIGILL pass nostop noprint   handle SIGILL pass nostop noprint
 +  
 +===== Sanitizer =====
 +
 +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)
 +
 +==== tsan ====
 +
 +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
c.1699260184.txt.gz · Last modified: 2023/11/06 08:43 by nine