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1084 ((n_flags_)) < ((kMaxFlags)).DEFAULTsancov((out < out_end - 1)) != (0)includeread more options from the given fileinclude_if_existsread more options from the given file (if it exists)symbolizeIf set, use the online symbolizer from common sanitizer runtime to turn virtual addresses to file/line locations.external_symbolizer_pathPath to external symbolizer. If empty, the tool will search $PATH for the symbolizer.allow_addr2lineIf set, allows online symbolizer to run addr2line binary to symbolize stack traces (addr2line will only be used if llvm-symbolizer binary is unavailable.strip_path_prefixStrips this prefix from file paths in error reports.fast_unwind_on_checkIf available, use the fast frame-pointer-based unwinder on internal CHECK failures.fast_unwind_on_fatalIf available, use the fast frame-pointer-based unwinder on fatal errors.fast_unwind_on_mallocIf available, use the fast frame-pointer-based unwinder on malloc/free.handle_ioctlIntercept and handle ioctl requests.malloc_context_sizeMax number of stack frames kept for each allocation/deallocation.log_pathWrite logs to "log_path.pid". The special values are "stdout" and "stderr". The default is "stderr".log_exe_nameMention name of executable when reporting error and append executable name to logs (as in "log_path.exe_name.pid").log_to_syslogWrite all sanitizer output to syslog in addition to other means of logging.verbosityVerbosity level (0 - silent, 1 - a bit of output, 2+ - more output).detect_leaksEnable memory leak detection.leak_check_at_exitInvoke leak checking in an atexit handler. Has no effect if detect_leaks=false, or if __lsan_do_leak_check() is called before the handler has a chance to run.allocator_may_return_nullIf false, the allocator will crash instead of returning 0 on out-of-memory.print_summaryIf false, disable printing error summaries in addition to error reports.check_printfCheck printf arguments.handle_segvIf set, registers the tool's custom SIGSEGV/SIGBUS handler.handle_abortIf set, registers the tool's custom SIGABRT handler.handle_sigillIf set, registers the tool's custom SIGILL handler.handle_sigfpeIf set, registers the tool's custom SIGFPE handler.allow_user_segv_handlerIf set, allows user to register a SEGV handler even if the tool registers one.use_sigaltstackIf set, uses alternate stack for signal handling.detect_deadlocksIf set, deadlock detection is enabled.clear_shadow_mmap_thresholdLarge shadow regions are zero-filled using mmap(NORESERVE) instead of memset(). This is the threshold size in bytes.colorColorize reports: (always|never|auto).legacy_pthread_condEnables support for dynamic libraries linked with libpthread 2.2.5.intercept_tls_get_addrIntercept __tls_get_addr.helpPrint the flag descriptions.mmap_limit_mbLimit the amount of mmap-ed memory (excluding shadow) in Mb; not a user-facing flag, used mosly for testing the toolshard_rss_limit_mbHard RSS limit in Mb. If non-zero, a background thread is spawned at startup which periodically reads RSS and aborts the process if the limit is reachedsoft_rss_limit_mbSoft RSS limit in Mb. If non-zero, a background thread is spawned at startup which periodically reads RSS. If the limit is reached all subsequent malloc/new calls will fail or return NULL (depending on the value of allocator_may_return_null) until the RSS goes below the soft limit. This limit does not affect memory allocations other than malloc/new.heap_profileExperimental heap profiler, asan-onlyallocator_release_to_osExperimental. If true, try to periodically release unused memory to the OS.