Merge "init: Add some ASAN helpers" (5083be5d) · Commits · e / os / android_system_core

init/init.cpp

+27 −0

Original line number	Diff line number	Diff line
		@@ -61,6 +61,10 @@
		#include "ueventd.h"
		#include "util.h"

		#if __has_feature(address_sanitizer)
		#include <sanitizer/asan_interface.h>
		#endif

		using namespace std::chrono_literals;
		using namespace std::string_literals;

		@@ -74,6 +78,25 @@ using android::base::Trim;
		namespace android {
		namespace init {

		#if __has_feature(address_sanitizer)
		// Load asan.options if it exists since these are not yet in the environment.
		// Always ensure detect_container_overflow=0 as there are false positives with this check.
		// Always ensure abort_on_error=1 to ensure we reboot to bootloader for development builds.
		extern "C" const char* __asan_default_options() {
		return "include_if_exists=/system/asan.options:detect_container_overflow=0:abort_on_error=1";
		}

		__attribute__((no_sanitize("address", "memory", "thread", "undefined"))) extern "C" void
		__sanitizer_report_error_summary(const char* summary) {
		LOG(ERROR) << "Main stage (error summary): " << summary;
		}

		__attribute__((no_sanitize("address", "memory", "thread", "undefined"))) static void
		AsanReportCallback(const char* str) {
		LOG(ERROR) << "Main stage: " << str;
		}
		#endif

		static int property_triggers_enabled = 0;

		static char qemu[32];
		@@ -619,6 +642,10 @@ static void SetupSelinux(char** argv) {
		}

		int main(int argc, char** argv) {
		#if __has_feature(address_sanitizer)
		__asan_set_error_report_callback(AsanReportCallback);
		#endif

		if (!strcmp(basename(argv[0]), "ueventd")) {
		return ueventd_main(argc, argv);
		}