diff --git a/Makefile b/Makefile
index 9084e73915..47e32c2723 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@
 
 GIT_VERSION ?= $(shell git describe --long --abbrev=7)
 ifndef GIT_VERSION
-$(error GIT_VERSION is not set)
+    $(error GIT_VERSION is not set)
 endif
 
 ### NOTES:
@@ -47,7 +47,7 @@ ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 	LEGACY_BUILD := 1
 ifneq ($(CPLUSPLUS),201103L)
-	$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
diff --git a/deps/Makefile b/deps/Makefile
index 7fa0cec5b7..2b28c2cec3 100644
--- a/deps/Makefile
+++ b/deps/Makefile
@@ -32,7 +32,7 @@ CPLUSPLUS := $(shell ${CC} -std=c++17 -dM -E -x c++ /dev/null 2>/dev/null | grep
 ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 ifneq ($(CPLUSPLUS),201103L)
-	$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
diff --git a/docker-compose.yml b/docker-compose.yml
index 659595eb27..dc1935562e 100755
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,4 @@
-version: "2.0"
+version: "3.0"
 services:
 
 ####################################################################################################
@@ -6,6 +6,7 @@ services:
   _build:
     image: none
     network_mode: bridge
+    privileged: true
     environment:
       - MAKE
       - MAKEOPT
diff --git a/include/btree.h b/include/btree.h
index 49310a2e44..bb22e0cf33 100644
--- a/include/btree.h
+++ b/include/btree.h
@@ -860,8 +860,8 @@ class btree : public Params::key_compare {
   typedef typename node_type::root_fields root_fields;
   typedef typename Params::is_key_compare_to is_key_compare_to;
 
-  friend class btree_internal_locate_plain_compare;
-  friend class btree_internal_locate_compare_to;
+  friend struct btree_internal_locate_plain_compare;
+  friend struct btree_internal_locate_compare_to;
   typedef typename if_<
     is_key_compare_to::value,
     btree_internal_locate_compare_to,
diff --git a/include/gen_utils.h b/include/gen_utils.h
index 95c1ec0107..4eb6e1c9c0 100644
--- a/include/gen_utils.h
+++ b/include/gen_utils.h
@@ -190,11 +190,11 @@ class PtrSizeArray {
 	}
 };
 
-typedef struct {
-	void*  data = nullptr;
-	size_t len = 0;        
+struct buffer_t {
+	void * data = nullptr;
+	size_t len = 0;
 	size_t capacity = 0;
-} buffer_t;
+};
 
 class FixedSizeQueue : public std::queue<buffer_t> {
 private:
diff --git a/lib/ClickHouse_Server.cpp b/lib/ClickHouse_Server.cpp
index ca428c4934..db35d65635 100644
--- a/lib/ClickHouse_Server.cpp
+++ b/lib/ClickHouse_Server.cpp
@@ -840,9 +840,8 @@ void ClickHouse_Server_session_handler(MySQL_Session *sess, void *_pa, PtrSize_t
 		}
 
 		if (
-			(
-				(query_no_space_length > 40) &&
-				strncasecmp("SELECT DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA WHERE SC",query_no_space,strlen("SELECT DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA WHERE SC") == 0))
+			(query_no_space_length > 40) &&
+			(strncasecmp("SELECT DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA WHERE SC", query_no_space, strlen("SELECT DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA WHERE SC")) == 0)
 		) {
 			l_free(query_length,query);
 			query=l_strdup("SELECT 'utf8_general_ci' AS DEFAULT_COLLATION_NAME");
diff --git a/lib/Makefile b/lib/Makefile
index c752ff254c..b94dd2fc65 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -3,7 +3,7 @@
 
 GIT_VERSION ?= $(shell git describe --long --abbrev=7)
 ifndef GIT_VERSION
-	$(error GIT_VERSION is not set)
+    $(error GIT_VERSION is not set)
 endif
 
 DEPS_PATH := ../deps
@@ -77,6 +77,10 @@ ifeq ($(WITHASAN),1)
 	WASAN := -fsanitize=address
 	# Force the disable of JEMALLOC, since ASAN isn't compatible.
 	export NOJEMALLOC=1
+	# workaroud ASAN limitation ASLR > 28bits
+	# https://github.com/google/sanitizers/issues/1716
+	# sudo sysctl vm.mmap_rnd_bits=28
+    $(warning ASAN needs ASLR =< 28bits, make sure 'sysctl vm.mmap_rnd_bits=28' is set.)
 endif
 
 NOJEM :=
@@ -95,7 +99,7 @@ CPLUSPLUS := $(shell ${CC} -std=c++17 -dM -E -x c++ /dev/null 2>/dev/null | grep
 ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 ifneq ($(CPLUSPLUS),201103L)
-$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
@@ -122,8 +126,8 @@ default: libproxysql.a
 .PHONY: default
 
 _OBJ_CXX := ProxySQL_GloVars.oo network.oo debug.oo configfile.oo Query_Cache.oo SpookyV2.oo MySQL_Authentication.oo gen_utils.oo sqlite3db.oo mysql_connection.oo MySQL_HostGroups_Manager.oo mysql_data_stream.oo MySQL_Thread.oo MySQL_Session.oo MySQL_Protocol.oo mysql_backend.oo Query_Processor.oo ProxySQL_Admin.oo ProxySQL_Config.oo ProxySQL_Restapi.oo MySQL_Monitor.oo MySQL_Logger.oo thread.oo MySQL_PreparedStatement.oo ProxySQL_Cluster.oo ClickHouse_Authentication.oo ClickHouse_Server.oo ProxySQL_Statistics.oo Chart_bundle_js.oo ProxySQL_HTTP_Server.oo ProxySQL_RESTAPI_Server.oo font-awesome.min.css.oo main-bundle.min.css.oo set_parser.oo MySQL_Variables.oo c_tokenizer.oo proxysql_utils.oo proxysql_coredump.oo proxysql_sslkeylog.oo \
-  sha256crypt.oo \
-  proxysql_find_charset.oo ProxySQL_Poll.oo
+	sha256crypt.oo \
+	proxysql_find_charset.oo ProxySQL_Poll.oo
 OBJ_CXX := $(patsubst %,$(ODIR)/%,$(_OBJ_CXX))
 HEADERS := ../include/*.h ../include/*.hpp
 
diff --git a/lib/MySQL_HostGroups_Manager.cpp b/lib/MySQL_HostGroups_Manager.cpp
index ec7c5dc9c9..4ecd467ea5 100644
--- a/lib/MySQL_HostGroups_Manager.cpp
+++ b/lib/MySQL_HostGroups_Manager.cpp
@@ -2026,7 +2026,7 @@ bool MySQL_HostGroups_Manager::commit(
 
 				if (atoi(r->fields[4])!=atoi(r->fields[14])) {
 					if (GloMTH->variables.hostgroup_manager_verbose)
-						proxy_debug(PROXY_DEBUG_MYSQL_CONNPOOL, 5, "Changing weight for server %d:%s:%d (%s:%d) from %d (%d) to %d\n" , mysrvc->myhgc->hid , mysrvc->address, mysrvc->port, r->fields[1], atoi(r->fields[2]), atoi(r->fields[4]) , mysrvc->weight , atoi(r->fields[14]));
+						proxy_debug(PROXY_DEBUG_MYSQL_CONNPOOL, 5, "Changing weight for server %d:%s:%d (%s:%d) from %d (%ld) to %d\n" , mysrvc->myhgc->hid , mysrvc->address, mysrvc->port, r->fields[1], atoi(r->fields[2]), atoi(r->fields[4]) , mysrvc->weight , atoi(r->fields[14]));
 					mysrvc->weight=atoi(r->fields[14]);
 				}
 				if (atoi(r->fields[5])!=atoi(r->fields[15])) {
diff --git a/lib/ProxySQL_Admin.cpp b/lib/ProxySQL_Admin.cpp
index 864d37b5c4..3a1239b340 100644
--- a/lib/ProxySQL_Admin.cpp
+++ b/lib/ProxySQL_Admin.cpp
@@ -4370,18 +4370,18 @@ void admin_session_handler(MySQL_Session *sess, void *_pa, PtrSize_t *pkt) {
 						}
 						if (GloMTH->variables.ssl_p2s_ca == NULL &&
 							GloMTH->variables.ssl_p2s_capath == NULL) {
-							SPA->send_MySQL_ERR(&sess->client_myds->myprot, "'mysql-ssl_p2s_ca' and 'mysql-ssl_p2s_capath' have not been configured");
+							SPA->send_MySQL_ERR(&sess->client_myds->myprot, (char *)"'mysql-ssl_p2s_ca' and 'mysql-ssl_p2s_capath' have not been configured");
 							break;
 						}
 						char msg[256];
 						uint64_t duration = 0ULL;
 						if (SPA->ProxySQL_Test___CA_Certificate_Load_And_Verify(&duration, test_arg1, GloMTH->variables.ssl_p2s_ca,
 							GloMTH->variables.ssl_p2s_capath)) {
-							sprintf(msg, "Took %llums in loading and verifying CA Certificate for %d times\n", duration, test_arg1);
+							sprintf(msg, "Took %lums in loading and verifying CA Certificate for %d times\n", duration, test_arg1);
 							SPA->send_MySQL_OK(&sess->client_myds->myprot, msg);
 						}
 						else {
-							SPA->send_MySQL_ERR(&sess->client_myds->myprot, "Unable to verify CA Certificate");
+							SPA->send_MySQL_ERR(&sess->client_myds->myprot, (char *)"Unable to verify CA Certificate");
 						}
 					}
 					break;
@@ -9745,13 +9745,13 @@ void ProxySQL_Admin::stats___memory_metrics() {
 			uint64_t prep_stmt_backend_mem_usage;
 			GloMyStmt->get_memory_usage(prep_stmt_metadata_mem_usage, prep_stmt_backend_mem_usage);
 			vn = (char*)"prepare_statement_metadata_memory";
-			sprintf(bu, "%llu", prep_stmt_metadata_mem_usage);
+			sprintf(bu, "%lu", prep_stmt_metadata_mem_usage);
 			query=(char*)malloc(strlen(a)+strlen(vn)+strlen(bu)+16);
 			sprintf(query, a, vn, bu);
 			statsdb->execute(query);
 			free(query);
 			vn = (char*)"prepare_statement_backend_memory";
-			sprintf(bu, "%llu", prep_stmt_backend_mem_usage);
+			sprintf(bu, "%lu", prep_stmt_backend_mem_usage);
 			query=(char*)malloc(strlen(a)+strlen(vn)+strlen(bu)+16);
 			sprintf(query, a, vn, bu);
 			statsdb->execute(query);
@@ -15049,7 +15049,7 @@ bool ProxySQL_Admin::ProxySQL_Test___CA_Certificate_Load_And_Verify(uint64_t* du
 	uint64_t t2 = monotonic_time();
 	SSL_CTX_free(ctx);
 	*duration = ((t2/1000) - (t1/1000));
-	proxy_info("Duration: %llums\n", *duration);
+	proxy_info("Duration: %lums\n", *duration);
 	return true;
 }
 #endif //DEBUG
diff --git a/lib/ProxySQL_GloVars.cpp b/lib/ProxySQL_GloVars.cpp
index 27db42425c..b01c62f893 100644
--- a/lib/ProxySQL_GloVars.cpp
+++ b/lib/ProxySQL_GloVars.cpp
@@ -228,13 +228,13 @@ ProxySQL_GlobalVariables::ProxySQL_GlobalVariables() :
 	global.gr_bootstrap_ssl_key = nullptr;
 	global.gr_bootstrap_ssl_mode = nullptr;
 	global.ssl_keylog_enabled = false;
-	opt=new ez::ezOptionParser();
-	opt->overview="High Performance Advanced Proxy for MySQL";
-	opt->syntax="proxysql [OPTIONS]";
+	opt = new ez::ezOptionParser();
+	opt->overview = "High Performance Advanced Proxy for MySQL";
+	opt->syntax = "proxysql [OPTIONS]";
 	std::string s = "\n\nProxySQL " ;
-	const char *build_year = __DATE__ + 7;
+	const char *build_year = &__DATE__[7];
 	s = s + "rev. " + PROXYSQL_VERSION + " -- " + __TIMESTAMP__ + "\nCopyright (C) 2013-" + string(build_year) + " ProxySQL LLC\nThis program is free and without warranty\n";
-	opt->footer =s.c_str();
+	opt->footer = s.c_str();
 
 	opt->add((const char *)"",0,0,0,(const char *)"Display usage instructions.",(const char *)"-h",(const char *)"-help",(const char *)"--help",(const char *)"--usage");
 	opt->add((const char *)"",0,0,0,(const char *)"Print version",(const char *)"-V",(const char *)"--version");
diff --git a/src/Makefile b/src/Makefile
index 52a3d626ee..0d2e577cf2 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,7 +3,7 @@
 
 GIT_VERSION ?= $(shell git describe --long --abbrev=7)
 ifndef GIT_VERSION
-	$(error GIT_VERSION is not set)
+    $(error GIT_VERSION is not set)
 endif
 
 CENTOSVER := Unknown
@@ -109,7 +109,7 @@ CPLUSPLUS := $(shell ${CC} -std=c++17 -dM -E -x c++ /dev/null 2>/dev/null | grep
 ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 ifneq ($(CPLUSPLUS),201103L)
-$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
@@ -140,6 +140,10 @@ ifeq ($(WITHASAN),1)
 	WASAN := -fsanitize=address
 	# Force the disable of JEMALLOC, since ASAN isn't compatible.
 	export NOJEMALLOC=1
+	# workaroud ASAN limitation ASLR > 28bits
+	# https://github.com/google/sanitizers/issues/1716
+	# sudo sysctl vm.mmap_rnd_bits=28
+    $(warning ASAN needs ASLR =< 28bits, make sure 'sysctl vm.mmap_rnd_bits=28' is set.)
 endif
 ifeq ($(TEST_WITHASAN),1)
 	WASAN += -DTEST_WITHASAN
diff --git a/test/tap/tap/Makefile b/test/tap/tap/Makefile
index 45097bbe83..b4650be943 100644
--- a/test/tap/tap/Makefile
+++ b/test/tap/tap/Makefile
@@ -3,7 +3,7 @@
 
 GIT_VERSION ?= $(shell git describe --long --abbrev=7)
 ifndef GIT_VERSION
-	$(error GIT_VERSION is not set)
+    $(error GIT_VERSION is not set)
 endif
 
 
@@ -42,7 +42,7 @@ CPLUSPLUS := $(shell ${CC} -std=c++17 -dM -E -x c++ /dev/null 2>/dev/null | grep
 ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 ifneq ($(CPLUSPLUS),201103L)
-	$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
@@ -50,6 +50,12 @@ STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPL
 WASAN :=
 ifeq ($(WITHASAN),1)
 	WASAN := -fsanitize=address
+	# Force the disable of JEMALLOC, since ASAN isn't compatible.
+	export NOJEMALLOC=1
+	# workaroud ASAN limitation ASLR > 28bits
+	# https://github.com/google/sanitizers/issues/1716
+	# sudo sysctl vm.mmap_rnd_bits=28
+    $(warning ASAN needs ASLR =< 28bits, make sure 'sysctl vm.mmap_rnd_bits=28' is set.)
 endif
 
 OPT := $(STDCPP) -O2 -ggdb -Wl,--no-as-needed $(WASAN)
@@ -70,19 +76,19 @@ debug: libtap.a libtap.so
 ### helper targets
 
 command_line.o: command_line.cpp cpp-dotenv/static/cpp-dotenv/libcpp_dotenv.a libcurl.so libssl.so.3 libcrypto.so.3 libcpp_dotenv.so
-	g++ -fPIC -c command_line.cpp $(IDIRS) $(OPT)
+	$(CXX) -fPIC -c command_line.cpp $(IDIRS) $(OPT)
 
 utils.o: utils.cpp cpp-dotenv/static/cpp-dotenv/libcpp_dotenv.a libcurl.so libssl.so.3 libcrypto.so.3 libcpp_dotenv.so
-	g++ -fPIC -c utils.cpp $(IDIRS) $(OPT)
+	$(CXX) -fPIC -c utils.cpp $(IDIRS) $(OPT)
 
 tap.o: tap.cpp cpp-dotenv/static/cpp-dotenv/libcpp_dotenv.a libcurl.so libssl.so.3 libcrypto.so.3 libcpp_dotenv.so
-	g++ -fPIC -c tap.cpp $(IDIRS) $(OPT)
+	$(CXX) -fPIC -c tap.cpp $(IDIRS) $(OPT)
 
 libtap.a: tap.o command_line.o utils.o cpp-dotenv/static/cpp-dotenv/libcpp_dotenv.a
 	ar rcs libtap.a tap.o command_line.o utils.o $(SQLITE3_LDIR)/sqlite3.o
 
 libtap.so: libtap.a cpp-dotenv/dynamic/cpp-dotenv/libcpp_dotenv.so
-	gcc -shared -o libtap.so -Wl,--whole-archive libtap.a -Wl,--no-whole-archive
+	$(CXX) -shared -o libtap.so -Wl,--whole-archive libtap.a -Wl,--no-whole-archive
 
 
 ### tap deps targets
@@ -104,6 +110,7 @@ cpp-dotenv/static/cpp-dotenv/libcpp_dotenv.a:
 	cd cpp-dotenv/static && tar -zxf ../cpp-dotenv-*.tar.gz
 	cd cpp-dotenv/static/cpp-dotenv && patch src/dotenv.cpp < ../../dotenv.cpp.patch
 	cd cpp-dotenv/static/cpp-dotenv && patch include/dotenv.h < ../../dotenv.h.patch
+	cd cpp-dotenv/static/cpp-dotenv && patch -p0 < ../../nm_clang_fix.patch
 	cd cpp-dotenv/static/cpp-dotenv && cmake . -DBUILD_TESTING=OFF -DBUILD_SHARED_LIBS=OFF -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_BUILD_TYPE=Debug
 	cd cpp-dotenv/static/cpp-dotenv && CC=${CC} CXX=${CXX} ${MAKE}
 
@@ -112,6 +119,7 @@ cpp-dotenv/dynamic/cpp-dotenv/libcpp_dotenv.so:
 	cd cpp-dotenv/dynamic && tar -zxf ../cpp-dotenv-*.tar.gz
 	cd cpp-dotenv/dynamic/cpp-dotenv && patch src/dotenv.cpp < ../../dotenv.cpp.patch
 	cd cpp-dotenv/dynamic/cpp-dotenv && patch include/dotenv.h < ../../dotenv.h.patch
+	cd cpp-dotenv/dynamic/cpp-dotenv && patch -p0 < ../../nm_clang_fix.patch
 	cd cpp-dotenv/dynamic/cpp-dotenv && cmake . -DBUILD_TESTING=OFF -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_RPATH="../tap:../../tap" -DCMAKE_BUILD_TYPE=Debug
 	cd cpp-dotenv/dynamic/cpp-dotenv && CC=${CC} CXX=${CXX} ${MAKE}
 
diff --git a/test/tap/tap/cpp-dotenv/nm_clang_fix.patch b/test/tap/tap/cpp-dotenv/nm_clang_fix.patch
new file mode 100644
index 0000000000..2cf3067820
--- /dev/null
+++ b/test/tap/tap/cpp-dotenv/nm_clang_fix.patch
@@ -0,0 +1,12 @@
+diff --git src/dotenv.cpp src/dotenv.cpp
+index 89bd3c1..1dcaf5a 100644
+--- src/dotenv.cpp
++++ src/dotenv.cpp
+@@ -8,7 +8,6 @@
+ 
+ 
+ using namespace std;
+-using namespace dotenv;
+ 
+ 
+ dotenv::dotenv& dotenv::dotenv::load_dotenv(const string& dotenv_path, const bool overwrite, const bool interpolate)
diff --git a/test/tap/tests/Makefile b/test/tap/tests/Makefile
index 422ead51cc..b1f73e5c0b 100644
--- a/test/tap/tests/Makefile
+++ b/test/tap/tests/Makefile
@@ -3,7 +3,7 @@
 
 GIT_VERSION ?= $(shell git describe --long --abbrev=7)
 ifndef GIT_VERSION
-	$(error GIT_VERSION is not set)
+    $(error GIT_VERSION is not set)
 endif
 
 
@@ -126,8 +126,8 @@ STATIC_LIBS := $(CITYHASH_LDIR)/libcityhash.a
 
 LIBCOREDUMPERAR :=
 ifeq ($(UNAME_S),Linux)
-  LIBCOREDUMPERAR := $(COREDUMPER_LDIR)/libcoredumper.a
-  STATIC_LIBS += $(LIBCOREDUMPERAR)
+	LIBCOREDUMPERAR := $(COREDUMPER_LDIR)/libcoredumper.a
+	STATIC_LIBS += $(LIBCOREDUMPERAR)
 endif
 
 ### detect compiler support for c++11/17
@@ -135,7 +135,7 @@ CPLUSPLUS := $(shell ${CC} -std=c++17 -dM -E -x c++ /dev/null 2>/dev/null | grep
 ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 ifneq ($(CPLUSPLUS),201103L)
-	$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
@@ -148,6 +148,12 @@ endif
 WASAN :=
 ifeq ($(WITHASAN),1)
 	WASAN := -fsanitize=address -DTEST_WITHASAN
+	# Force the disable of JEMALLOC, since ASAN isn't compatible.
+	export NOJEMALLOC=1
+	# workaroud ASAN limitation ASLR > 28bits
+	# https://github.com/google/sanitizers/issues/1716
+	# sudo sysctl vm.mmap_rnd_bits=28
+    $(warning ASAN needs ASLR =< 28bits, make sure 'sysctl vm.mmap_rnd_bits=28' is set.)
 endif
 
 OPT := $(STDCPP) -O2 -ggdb -Wl,--no-as-needed -Wl,-rpath,$(TAP_LDIR) $(WGCOV) $(WASAN) -DGITVERSION=\"$(GIT_VERSION)\"
@@ -221,51 +227,49 @@ py-%:
 #	$(CXX) $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) -lpthread -ldl $(STATIC_LIBS) $(TAP_LDIR)/libtap.so -o $@
 
 galera_1_timeout_count: galera_1_timeout_count.cpp $(TAP_LDIR)/libtap.so
-	g++ -DTEST_GALERA $< ../tap/SQLite3_Server.cpp $(IDIRS) $(LDIRS) $(OPT) $(OBJ) $(MYLIBSJEMALLOC) $(MYLIBS) $(STATIC_LIBS) -o $@
+	$(CXX) -DTEST_GALERA $< ../tap/SQLite3_Server.cpp $(IDIRS) $(LDIRS) $(OPT) $(OBJ) $(MYLIBSJEMALLOC) $(MYLIBS) $(STATIC_LIBS) -o $@
 
 galera_2_timeout_no_count: galera_2_timeout_no_count.cpp $(TAP_LDIR)/libtap.so
-	g++ -DTEST_GALERA $< ../tap/SQLite3_Server.cpp $(IDIRS) $(LDIRS) $(OPT) $(OBJ) $(MYLIBSJEMALLOC) $(MYLIBS) $(STATIC_LIBS) -o $@
+	$(CXX) -DTEST_GALERA $< ../tap/SQLite3_Server.cpp $(IDIRS) $(LDIRS) $(OPT) $(OBJ) $(MYLIBSJEMALLOC) $(MYLIBS) $(STATIC_LIBS) -o $@
 
 generate_set_session_csv: generate_set_session_csv.cpp
-	g++ $< $(OPT) -o $@
+	$(CXX) $< $(OPT) -o $@
 
 aurora: aurora.cpp $(TAP_LDIR)/libtap.so
-	g++ -DTEST_AURORA $< ../tap/SQLite3_Server.cpp $(IDIRS) $(LDIRS) $(OPT) $(OBJ) $(MYLIBSJEMALLOC) $(MYLIBS) $(STATIC_LIBS) -o $@
+	$(CXX) -DTEST_AURORA $< ../tap/SQLite3_Server.cpp $(IDIRS) $(LDIRS) $(OPT) $(OBJ) $(MYLIBSJEMALLOC) $(MYLIBS) $(STATIC_LIBS) -o $@
 
 test_tokenizer-t: test_tokenizer-t.cpp $(TAP_LDIR)/libtap.so
-	g++ $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) -o $@
+	$(CXX) $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) -o $@
 
 test_mysql_query_digests_stages-t: test_mysql_query_digests_stages-t.cpp $(TAP_LDIR)/libtap.so
-	g++ $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) -o $@
+	$(CXX) $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) -o $@
 
 sqlite3-t: sqlite3-t.cpp $(TAP_LDIR)/libtap.so
-	g++ $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) $(LIBCOREDUMPERAR) -o $@
+	$(CXX) $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) $(LIBCOREDUMPERAR) -o $@
 
 test_gtid_forwarding-t: test_gtid_forwarding-t.cpp $(TAP_LDIR)/libtap.so
-	g++ $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) -o $@
+	$(CXX) $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) -o $@
 
 test_admin_prometheus_metrics_dump-t: test_admin_prometheus_metrics_dump-t.cpp $(TAP_LDIR)/libtap.so
-	g++ $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) -o $@
+	$(CXX) $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) -o $@
 
 create_connection_annotation: test_connection_annotation-t.cpp $(TAP_LDIR)/libtap.so
-	g++ -DTEST_AURORA $< $(IDIRS) $(LDIRS) $(OPT) $(OBJ) $(MYLIBS) $(STATIC_LIBS) -o $@
+	$(CXX) -DTEST_AURORA $< $(IDIRS) $(LDIRS) $(OPT) $(OBJ) $(MYLIBS) $(STATIC_LIBS) -o $@
 
 setparser_test: setparser_test.cpp $(TAP_LDIR)/libtap.so $(RE2_PATH)/util/test.cc $(PROXYSQL_LDIR)/set_parser.cpp $(LIBPROXYSQLAR) $(LIBCOREDUMPERAR)
-	g++ $< $(RE2_PATH)/util/test.cc $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) $(LIBCOREDUMPERAR) -o $@
+	$(CXX) $< $(RE2_PATH)/util/test.cc $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) $(LIBCOREDUMPERAR) -o $@
 
 setparser_test2-t: setparser_test2
-	rm setparser_test2-t || true
 	ln -fs setparser_test2 setparser_test2-t
 
 setparser_test2: setparser_test2.cpp $(TAP_LDIR)/libtap.so $(PROXYSQL_LDIR)/set_parser.cpp setparser_test_common.h $(LIBCOREDUMPERAR)
-	g++ $< $(PROXYSQL_LDIR)/set_parser.cpp $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) $(LIBCOREDUMPERAR) -o $@
+	$(CXX) $< $(PROXYSQL_LDIR)/set_parser.cpp $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) $(LIBCOREDUMPERAR) -o $@
 
 setparser_test3-t: setparser_test3
-	rm setparser_test3-t || true
 	ln -fs setparser_test3 setparser_test3-t
 
 setparser_test3: setparser_test3.cpp $(TAP_LDIR)/libtap.so $(PROXYSQL_LDIR)/set_parser.cpp setparser_test_common.h $(LIBCOREDUMPERAR)
-	g++ -DPARSERDEBUG $< $(PROXYSQL_LDIR)/set_parser.cpp $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) $(LIBCOREDUMPERAR) -o $@
+	$(CXX) -DPARSERDEBUG $< $(PROXYSQL_LDIR)/set_parser.cpp $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) $(LIBCOREDUMPERAR) -o $@
 
 
 CUSTOMARGS := -I$(TAP_IDIR) -I$(CURL_IDIR) -I$(SQLITE3_IDIR) -I$(PROXYSQL_IDIR) -I$(JSON_IDIR) -I$(SSL_IDIR)
diff --git a/test/tap/tests/admin_show_table_status-t.cpp b/test/tap/tests/admin_show_table_status-t.cpp
index 1e48e78471..0727e023c2 100644
--- a/test/tap/tests/admin_show_table_status-t.cpp
+++ b/test/tap/tests/admin_show_table_status-t.cpp
@@ -81,7 +81,7 @@ int main() {
 			MYSQL_QUERY(proxysql_admin, query);
 			MYSQL_RES* proxy_res = mysql_store_result(proxysql_admin);
 			unsigned long rows = proxy_res->row_count;
-			ok(rows = 1 , "SHOW TABLE STATUS %s generated %lu row(s)", it->c_str(), rows);
+			ok(rows == 1 , "SHOW TABLE STATUS %s generated %lu row(s)", it->c_str(), rows);
 			mysql_free_result(proxy_res);
 		}
 		free(query);
diff --git a/test/tap/tests/reg_test_4072-show-warnings-t.cpp b/test/tap/tests/reg_test_4072-show-warnings-t.cpp
index 3e22e70e19..b4f60e2e03 100644
--- a/test/tap/tests/reg_test_4072-show-warnings-t.cpp
+++ b/test/tap/tests/reg_test_4072-show-warnings-t.cpp
@@ -99,7 +99,7 @@ int main(int argc, char** argv) {
 
 	unsigned long fetched_row_count = 0;
 
-	while (row = mysql_fetch_row(mysql_result)) {
+	while ((row = mysql_fetch_row(mysql_result))) {
 		fetched_row_count++;
 		usleep(10);
 	}
diff --git a/test/tap/tests/reg_test_4158_change_user-t.cpp b/test/tap/tests/reg_test_4158_change_user-t.cpp
index 8b01a319c4..e7d7a86957 100644
--- a/test/tap/tests/reg_test_4158_change_user-t.cpp
+++ b/test/tap/tests/reg_test_4158_change_user-t.cpp
@@ -83,7 +83,7 @@ int run_funct_timeout(void *(*start_routine)(void *), int timeout) {
 				diag("Waiting up to %d seconds", timeout);
 			}
 		}
-		if (tr =! 0) {
+		if (tr != 0) {
 			return EXIT_FAILURE;
 		}
 	} else {
diff --git a/test/tap/tests/test_cacert_load_and_verify_duration-t.cpp b/test/tap/tests/test_cacert_load_and_verify_duration-t.cpp
index 46fbde802e..19da85d3d0 100644
--- a/test/tap/tests/test_cacert_load_and_verify_duration-t.cpp
+++ b/test/tap/tests/test_cacert_load_and_verify_duration-t.cpp
@@ -48,7 +48,7 @@ int main() {
 		if (error_msg.find("Invalid test") != std::string::npos) {
 			ok(true, "ProxySQL is not compiled in Debug mode. Skipping test");
 		} else {
-			fprintf(stderr, "File %s, line %d, Error: %s\n", __FILE__, __LINE__, error_msg);
+			fprintf(stderr, "File %s, line %d, Error: %s\n", __FILE__, __LINE__, error_msg.c_str());
 		}
 	} else {
 		const std::string& msg = mysql_info(proxysql_admin);
@@ -57,7 +57,7 @@ int main() {
 		if (start_pos != std::string::npos &&
 			end_pos != std::string::npos) {
 			uint64_t time = std::stoull(msg.substr(start_pos + 5, end_pos - (start_pos + 5)));
-			ok(time < 20000, "Total duration is '%llu ms' should be less than 20 Seconds", time);
+			ok(time < 20000, "Total duration is '%lu ms' should be less than 20 Seconds", time);
 		}
 	}
 	mysql_close(proxysql_admin);
diff --git a/test/tap/tests/test_change_user-t.cpp b/test/tap/tests/test_change_user-t.cpp
index 5b1a842026..0f876234bc 100644
--- a/test/tap/tests/test_change_user-t.cpp
+++ b/test/tap/tests/test_change_user-t.cpp
@@ -187,7 +187,7 @@ int TestSet1(const CommandLine& cl, const char *plugin, bool test_ssl , bool tes
 				}
 			}
 		}
-		close_connections;
+		close_connections();
 	}
 	return 0;
 }
diff --git a/test/tap/tests/test_query_cache_soft_ttl_pct-t.cpp b/test/tap/tests/test_query_cache_soft_ttl_pct-t.cpp
index 68bce7954f..2eff27d901 100644
--- a/test/tap/tests/test_query_cache_soft_ttl_pct-t.cpp
+++ b/test/tap/tests/test_query_cache_soft_ttl_pct-t.cpp
@@ -95,7 +95,7 @@ std::map<string, int> get_digest_stats_dummy_query(MYSQL* proxy_admin) {
 	MYSQL_RES* res = mysql_store_result(proxy_admin);
 
 	MYSQL_ROW row;
-	while (row = mysql_fetch_row(res)) {
+	while ((row = mysql_fetch_row(res))) {
 		if (atoi(row[0]) == -1)
 			stats["cache"] += atoi(row[1]);
 		else
diff --git a/test/tap/tests_with_deps/deprecate_eof_support/Makefile b/test/tap/tests_with_deps/deprecate_eof_support/Makefile
index e800475998..b4060cdb18 100644
--- a/test/tap/tests_with_deps/deprecate_eof_support/Makefile
+++ b/test/tap/tests_with_deps/deprecate_eof_support/Makefile
@@ -3,7 +3,7 @@
 
 GIT_VERSION ?= $(shell git describe --long --abbrev=7)
 ifndef GIT_VERSION
-	$(error GIT_VERSION is not set)
+    $(error GIT_VERSION is not set)
 endif
 
 
@@ -90,7 +90,7 @@ CPLUSPLUS := $(shell ${CC} -std=c++17 -dM -E -x c++ /dev/null 2>/dev/null | grep
 ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 ifneq ($(CPLUSPLUS),201103L)
-	$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
@@ -103,6 +103,12 @@ endif
 WASAN :=
 ifeq ($(WITHASAN),1)
 	WASAN := -fsanitize=address
+	# Force the disable of JEMALLOC, since ASAN isn't compatible.
+	export NOJEMALLOC=1
+	# workaroud ASAN limitation ASLR > 28bits
+	# https://github.com/google/sanitizers/issues/1716
+	# sudo sysctl vm.mmap_rnd_bits=28
+    $(warning ASAN needs ASLR =< 28bits, make sure 'sysctl vm.mmap_rnd_bits=28' is set.)
 endif
 
 OPT := $(STDCPP) -O2 -ggdb -Wl,--no-as-needed -Wl,-rpath,"../../tap" $(WGCOV) $(WASAN)