{"json_modified": "2016-09-10T00:21:52.047268", "uuid": "f1d7c4a1-4724-49ee-86dc-ca5667692b11", "title": "Firefox and Address Sanitizer", "url": "/en-US/docs/Mozilla/Testing/Firefox_and_Address_Sanitizer", "tags": ["Developing Mozilla", "Debugging", "debugging", "Guide"], "translations": [], "modified": "2016-09-10T00:21:52", "label": "Firefox and Address Sanitizer", "localization_tags": [], "locale": "en-US", "id": 696, "last_edit": "2016-09-10T00:21:51", "summary": "Address Sanitizer (ASan) is a fast memory error detector that detects use-after-free and out-of-bound bugs in C/C++ programs. It uses a compile-time instrumentation to check all reads and writes during the execution. In addition, the runtime part replaces the <code>malloc</code> and <code>free</code> functions to check dynamically allocated memory. More information on how ASan works can be found on <a class=\"external\" href=\"https://code.google.com/p/address-sanitizer/wiki/AddressSanitizerAlgorithm\" title=\"https://code.google.com/p/address-sanitizer/wiki/AddressSanitizerAlgorithm\">the Address Sanitizer wiki</a>.", "sections": [{"id": "What_is_Address_Sanitizer", "title": "What is Address Sanitizer?"}, {"id": "Public_Builds", "title": "Public Builds"}, {"id": "Creating_your_own_Linux_Try_build", "title": "Creating your own Linux Try build"}, {"id": "Manual_Build", "title": "Manual Build"}, {"id": "Build_prerequisites", "title": "Build prerequisites"}, {"id": "LLVMClang", "title": "LLVM/Clang"}, {"id": "Building_Firefox", "title": "Building Firefox"}, {"id": "Getting_the_source", "title": "Getting the source"}, {"id": "Adjusting_the_build_configuration", "title": "Adjusting the build configuration"}, {"id": "Starting_the_build_process", "title": "Starting the build process"}, {"id": "Starting_Firefox", "title": "Starting Firefox"}, {"id": "Building_only_the_JavaScript_shell", "title": "Building only the JavaScript shell"}, {"id": "Getting_Symbols_in_Address_Sanitizer_Traces", "title": "Getting Symbols in Address Sanitizer Traces"}, {"id": "Using_the_LLVM_Symbolizer_(recommended)", "title": "Using the LLVM Symbolizer (recommended)"}, {"id": "Post-Processing_Traces_with_asan_symbolize.py", "title": "Post-Processing Traces with asan_symbolize.py"}, {"id": "Troubleshooting_Known_problems", "title": "Troubleshooting / Known problems"}, {"id": "Cannot_specify_-o_when_generating_multiple_output_files", "title": "Cannot specify -o when generating multiple output files"}, {"id": "Optimized_build", "title": "Optimized build"}, {"id": "Crashes_on_Ubuntu_11.10", "title": "Crashes on Ubuntu 11.10"}, {"id": "Recent_cmake_on_Ubuntu_12.04_LTS", "title": "Recent cmake on Ubuntu 12.04 LTS"}, {"id": "Debugging_issues_that_ASan_finds", "title": "Debugging issues that ASan finds"}, {"id": "LeakSanitizer", "title": "LeakSanitizer"}], "slug": "Mozilla/Testing/Firefox_and_Address_Sanitizer", "review_tags": []}