Address Sanitizer - AshokBhat/notes GitHub Wiki
About
LLVM AddressSanitizer
- Fast memory error detector
- Consists of a compiler instrumentation module and a run-time library
Features
Tool can detect the following types of bugs:
- Out-of-bounds accesses to heap, stack and globals
- Use-after-free
- Use-after-return (runtime flag ASAN_OPTIONS=detect_stack_use_after_return=1)
- Use-after-scope (clang flag -fsanitize-address-use-after-scope)
- Double-free, invalid free
- Memory leaks (experimental)
Performance
- Typical slowdown introduced by AddressSanitizer is 2x.
See also
- [Address Sanitizer]] ](/AshokBhat/notes/wiki/[HWASAN) | [Thread Sanitizer]] | UBSan