diff --git a/source/ports/node_port/CMakeLists.txt b/source/ports/node_port/CMakeLists.txt
index 7178d5664..4dd8f1653 100644
--- a/source/ports/node_port/CMakeLists.txt
+++ b/source/ports/node_port/CMakeLists.txt
@@ -91,6 +91,28 @@ set(node_port_test "${target}_test")
 # Define test
 #
 
+if(OPTION_BUILD_THREAD_SANITIZER AND OPTION_BUILD_LOADERS_CS)
+	# TODO: This test fails when run with thread sanitizer:
+	#
+	# WARNING: ThreadSanitizer: signal-unsafe call inside of a signal (pid=13328)
+	# 	#0 free ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:706 (libtsan.so.2+0x47e82)
+	# 	#1 _IO_setb <null> (libc.so.6+0x818a4)
+	# 	#2 <null> <null> (libruby-2.7.so.2.7+0x237b64)
+	# 	#3 simple_netcore_create /usr/local/metacall/source/loaders/cs_loader/source/simple_netcore.cpp:42 (libcs_loaderd.so+0x108de)
+	# 	#4 cs_loader_impl_initialize /usr/local/metacall/source/loaders/cs_loader/source/cs_loader_impl.c:236 (libcs_loaderd.so+0xf5fe)
+	# 	#5 loader_impl_initialize /usr/local/metacall/source/loader/source/loader_impl.c:367 (libmetacalld.so+0x306a3)
+	# 	#6 loader_impl_load_from_file /usr/local/metacall/source/loader/source/loader_impl.c:822 (libmetacalld.so+0x308b8)
+	# 	#7 loader_load_from_file /usr/local/metacall/source/loader/source/loader.c:307 (libmetacalld.so+0x2e101)
+	# 	#8 metacall_load_from_file /usr/local/metacall/source/metacall/source/metacall.c:348 (libmetacalld.so+0x32bef)
+	# 	#9 node_loader_port_load_from_file_export(napi_env__*, napi_callback_info__*) /usr/local/metacall/source/loaders/node_loader/source/node_loader_port.cpp:395 (libnode_loaderd.so+0x113c5)
+	# 	#10 <null> <null> (libnode.so.72+0x7b6344)
+	#
+	# SUMMARY: ThreadSanitizer: signal-unsafe call inside of a signal (/lib/x86_64-linux-gnu/libc.so.6+0x818a4) in _IO_setb
+	#
+	# For solving this, we should enable C# support for sanitizers and debug it properly
+	return()
+endif()
+
 if(WIN32)
 	set(TEST_COMMAND cmd /c)
 	set(GREP_COMMAND findstr)
diff --git a/source/tests/metacall_distributable_test/CMakeLists.txt b/source/tests/metacall_distributable_test/CMakeLists.txt
index ccfab86d5..9ad87dce5 100644
--- a/source/tests/metacall_distributable_test/CMakeLists.txt
+++ b/source/tests/metacall_distributable_test/CMakeLists.txt
@@ -122,6 +122,29 @@ target_link_libraries(${target}
 # Define test
 #
 
+if(OPTION_BUILD_THREAD_SANITIZER AND OPTION_BUILD_LOADERS_CS)
+	# TODO: This test fails when run with thread sanitizer (this happens when C# loader is enabled):
+	#
+	# WARNING: ThreadSanitizer: signal-unsafe call inside of a signal (pid=13717)
+	# 	#0 malloc ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:647 (libtsan.so.2+0x3ebb8)
+	# 	#1 <null> <null> (ld-linux-x86-64.so.2+0x28df)
+	# 	#2 <null> <null> (libruby-2.7.so.2.7+0x237879)
+	# 	#3 simple_netcore_create /usr/local/metacall/source/loaders/cs_loader/source/simple_netcore.cpp:42 (libcs_loaderd.so+0x108de)
+	# 	#4 cs_loader_impl_initialize /usr/local/metacall/source/loaders/cs_loader/source/cs_loader_impl.c:236 (libcs_loaderd.so+0xf5fe)
+	# 	#5 loader_impl_initialize /usr/local/metacall/source/loader/source/loader_impl.c:367 (libmetacalld.so+0x306a3)
+	# 	#6 loader_impl_load_from_file /usr/local/metacall/source/loader/source/loader_impl.c:822 (libmetacalld.so+0x308b8)
+	# 	#7 loader_load_from_file /usr/local/metacall/source/loader/source/loader.c:307 (libmetacalld.so+0x2e101)
+	# 	#8 metacall_load_from_file /usr/local/metacall/source/metacall/source/metacall.c:348 (libmetacalld.so+0x32bef)
+	# 	#9 metacall_distributable_test_DefaultConstructor_Test::TestBody() /usr/local/metacall/source/tests/metacall_distributable_test/source/metacall_distributable_test.cpp:262 (metacall-distributable-testd+0x23e3d)
+	# 	#10 void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) <null> (metacall-distributable-testd+0x58686)
+	# 	#11 <null> <null> (libc.so.6+0x29209)
+	#
+	# SUMMARY: ThreadSanitizer: signal-unsafe call inside of a signal (/lib64/ld-linux-x86-64.so.2+0x28df)
+	#
+	# For solving this, we should enable C# support for sanitizers and debug it properly
+	return()
+endif()
+
 add_test(NAME ${target}
 	COMMAND $<TARGET_FILE:${target}>
 )
diff --git a/source/tests/metacall_inspect_test/CMakeLists.txt b/source/tests/metacall_inspect_test/CMakeLists.txt
index 4894346fc..755775527 100644
--- a/source/tests/metacall_inspect_test/CMakeLists.txt
+++ b/source/tests/metacall_inspect_test/CMakeLists.txt
@@ -122,6 +122,29 @@ target_link_libraries(${target}
 # Define test
 #
 
+if(OPTION_BUILD_THREAD_SANITIZER AND OPTION_BUILD_LOADERS_CS)
+	# TODO: This test fails when run with thread sanitizer (this happens when C# loader is enabled):
+	#
+	# WARNING: ThreadSanitizer: signal-unsafe call inside of a signal (pid=13749)
+	# 	#0 malloc ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:647 (libtsan.so.2+0x3ebb8)
+	# 	#1 <null> <null> (ld-linux-x86-64.so.2+0x28df)
+	# 	#2 <null> <null> (libruby-2.7.so.2.7+0x237879)
+	# 	#3 simple_netcore_create /usr/local/metacall/source/loaders/cs_loader/source/simple_netcore.cpp:42 (libcs_loaderd.so+0x108de)
+	# 	#4 cs_loader_impl_initialize /usr/local/metacall/source/loaders/cs_loader/source/cs_loader_impl.c:236 (libcs_loaderd.so+0xf5fe)
+	# 	#5 loader_impl_initialize /usr/local/metacall/source/loader/source/loader_impl.c:367 (libmetacalld.so+0x306a3)
+	# 	#6 loader_impl_load_from_file /usr/local/metacall/source/loader/source/loader_impl.c:822 (libmetacalld.so+0x308b8)
+	# 	#7 loader_load_from_file /usr/local/metacall/source/loader/source/loader.c:307 (libmetacalld.so+0x2e101)
+	# 	#8 metacall_load_from_file /usr/local/metacall/source/metacall/source/metacall.c:348 (libmetacalld.so+0x32bef)
+	# 	#9 metacall_inspect_test_DefaultConstructor_Test::TestBody() /usr/local/metacall/source/tests/metacall_inspect_test/source/metacall_inspect_test.cpp:101 (metacall-inspect-testd+0x20eaa)
+	# 	#10 void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) <null> (metacall-inspect-testd+0x54156)
+	# 	#11 <null> <null> (libc.so.6+0x29209)
+	#
+	# SUMMARY: ThreadSanitizer: signal-unsafe call inside of a signal (/lib64/ld-linux-x86-64.so.2+0x28df)
+	#
+	# For solving this, we should enable C# support for sanitizers and debug it properly
+	return()
+endif()
+
 add_test(NAME ${target}
 	COMMAND $<TARGET_FILE:${target}>
 )
diff --git a/source/tests/metacall_node_port_test/CMakeLists.txt b/source/tests/metacall_node_port_test/CMakeLists.txt
index 58c86cea1..80a792f5e 100644
--- a/source/tests/metacall_node_port_test/CMakeLists.txt
+++ b/source/tests/metacall_node_port_test/CMakeLists.txt
@@ -122,6 +122,28 @@ target_link_libraries(${target}
 # Define test
 #
 
+if(OPTION_BUILD_THREAD_SANITIZER AND OPTION_BUILD_LOADERS_CS)
+	# TODO: This test fails when run with thread sanitizer (this happens when C# loader is enabled):
+	#
+	# WARNING: ThreadSanitizer: signal-unsafe call inside of a signal (pid=13603)
+	# 	#0 malloc ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:647 (libtsan.so.2+0x3ebb8)
+	# 	#1 <null> <null> (ld-linux-x86-64.so.2+0x28df)
+	# 	#2 <null> <null> (libruby-2.7.so.2.7+0x237879)
+	# 	#3 simple_netcore_create /usr/local/metacall/source/loaders/cs_loader/source/simple_netcore.cpp:42 (libcs_loaderd.so+0x108de)
+	# 	#4 cs_loader_impl_initialize /usr/local/metacall/source/loaders/cs_loader/source/cs_loader_impl.c:236 (libcs_loaderd.so+0xf5fe)
+	# 	#5 loader_impl_initialize /usr/local/metacall/source/loader/source/loader_impl.c:367 (libmetacalld.so+0x306a3)
+	# 	#6 loader_impl_load_from_file /usr/local/metacall/source/loader/source/loader_impl.c:822 (libmetacalld.so+0x308b8)
+	# 	#7 loader_load_from_file /usr/local/metacall/source/loader/source/loader.c:307 (libmetacalld.so+0x2e101)
+	# 	#8 metacall_load_from_file /usr/local/metacall/source/metacall/source/metacall.c:348 (libmetacalld.so+0x32bef)
+	# 	#9 node_loader_port_load_from_file_export(napi_env__*, napi_callback_info__*) /usr/local/metacall/source/loaders/node_loader/source/node_loader_port.cpp:395 (libnode_loaderd.so+0x113c5)
+	# 	#10 <null> <null> (libnode.so.72+0x7b6344)
+	#
+	# SUMMARY: ThreadSanitizer: signal-unsafe call inside of a signal (/lib64/ld-linux-x86-64.so.2+0x28df)
+	#
+	# For solving this, we should enable C# support for sanitizers and debug it properly
+	return()
+endif()
+
 add_test(NAME ${target}
 	COMMAND $<TARGET_FILE:${target}>
 )
diff --git a/source/tests/metacall_python_port_import_test/CMakeLists.txt b/source/tests/metacall_python_port_import_test/CMakeLists.txt
index 49337e91a..68b706515 100644
--- a/source/tests/metacall_python_port_import_test/CMakeLists.txt
+++ b/source/tests/metacall_python_port_import_test/CMakeLists.txt
@@ -122,6 +122,42 @@ target_link_libraries(${target}
 # Define test
 #
 
+if(OPTION_BUILD_THREAD_SANITIZER AND OPTION_BUILD_LOADERS_CS)
+	# TODO: This test fails when run with thread sanitizer (this happens when C# loader is enabled):
+	#
+	# WARNING: ThreadSanitizer: signal-unsafe call inside of a signal (pid=13823)
+	# 	#0 free ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:706 (libtsan.so.2+0x47e82)
+	# 	#1 <null> <null> (libdw.so.1+0x56c62)
+	# 	#2 backward::TraceResolverImpl<backward::system_tag::linux_tag>::~TraceResolverImpl() /usr/local/metacall/build/_deps/backwardcpp-src/backward.hpp:3479 (libbacktrace_plugind.so+0xf95c)
+	# 	#3 backward::TraceResolver::~TraceResolver() /usr/local/metacall/build/_deps/backwardcpp-src/backward.hpp:3694 (libbacktrace_plugind.so+0xf95c)
+	# 	#4 backward::Printer::~Printer() /usr/local/metacall/build/_deps/backwardcpp-src/backward.hpp:3986 (libbacktrace_plugind.so+0xf95c)
+	# 	#5 backward::SignalHandling::handleSignal(int, siginfo_t*, void*) /usr/local/metacall/build/_deps/backwardcpp-src/backward.hpp:4265 (libbacktrace_plugind.so+0xf95c)
+	# 	#6 backward::SignalHandling::sig_handler(int, siginfo_t*, void*) /usr/local/metacall/build/_deps/backwardcpp-src/backward.hpp:4276 (libbacktrace_plugind.so+0xfff0)
+	# 	#7 <null> <null> (libcoreclr.so+0x4afbdc)
+	# 	#8 backward::SignalHandling::sig_handler(int, siginfo_t*, void*) /usr/local/metacall/build/_deps/backwardcpp-src/backward.hpp:4279 (libbacktrace_plugind.so+0xffff)
+	# 	#9 <null> <null> (libcoreclr.so+0x4afbdc)
+	# 	#10 simple_netcore_create /usr/local/metacall/source/loaders/cs_loader/source/simple_netcore.cpp:42 (libcs_loaderd.so+0x108de)
+	# 	#11 cs_loader_impl_initialize /usr/local/metacall/source/loaders/cs_loader/source/cs_loader_impl.c:236 (libcs_loaderd.so+0xf5fe)
+	# 	#12 loader_impl_initialize /usr/local/metacall/source/loader/source/loader_impl.c:367 (libmetacalld.so+0x306a3)
+	# 	#13 loader_impl_load_from_file /usr/local/metacall/source/loader/source/loader_impl.c:822 (libmetacalld.so+0x308b8)
+	# 	#14 loader_load_from_file /usr/local/metacall/source/loader/source/loader.c:307 (libmetacalld.so+0x2e101)
+	# 	#15 metacall_load_from_file /usr/local/metacall/source/metacall/source/metacall.c:348 (libmetacalld.so+0x32bef)
+	# 	#16 py_loader_port_load_from_file_impl /usr/local/metacall/source/loaders/py_loader/source/py_loader_port.c:190 (libpy_loaderd.so+0x10a02)
+	# 	#17 py_loader_port_load_from_file_export /usr/local/metacall/source/loaders/py_loader/source/py_loader_port.c:244 (libpy_loaderd.so+0x10d34)
+	# 	#18 <null> <null> (libpython3.9.so.1.0+0x10cc73)
+	# 	#19 loader_impl_load_from_memory /usr/local/metacall/source/loader/source/loader_impl.c:968 (libmetacalld.so+0x30eba)
+	# 	#20 loader_load_from_memory /usr/local/metacall/source/loader/source/loader.c:327 (libmetacalld.so+0x2e201)
+	# 	#21 metacall_load_from_memory /usr/local/metacall/source/metacall/source/metacall.c:357 (libmetacalld.so+0x32c30)
+	# 	#22 metacall_python_port_import_test_DefaultConstructor_Test::TestBody() /usr/local/metacall/source/tests/metacall_python_port_import_test/source/metacall_python_port_import_test.cpp:48 (metacall-python-port-import-testd+0x20aa5)
+	# 	#23 void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) <null> (metacall-python-port-import-testd+0x4e186)
+	# 	#24 <null> <null> (libc.so.6+0x29209)
+	#
+	# SUMMARY: ThreadSanitizer: signal-unsafe call inside of a signal (/usr/lib/x86_64-linux-gnu/libdw.so.1+0x56c62)
+	#
+	# For solving this, we should enable C# support for sanitizers and debug it properly
+	return()
+endif()
+
 add_test(NAME ${target}
 	COMMAND $<TARGET_FILE:${target}>
 	WORKING_DIRECTORY ${LOADER_SCRIPT_PATH}/ramda
diff --git a/source/tests/metacall_test/CMakeLists.txt b/source/tests/metacall_test/CMakeLists.txt
index e60a97176..c97ce10d5 100644
--- a/source/tests/metacall_test/CMakeLists.txt
+++ b/source/tests/metacall_test/CMakeLists.txt
@@ -114,6 +114,27 @@ target_link_libraries(${target}
 # Define test
 #
 
+if(OPTION_BUILD_THREAD_SANITIZER AND OPTION_BUILD_LOADERS_CS)
+	# TODO: This test fails when run with thread sanitizer (this happens when C# loader is enabled):
+	#
+	# WARNING: ThreadSanitizer: data race (pid=13427)
+	# Write of size 8 at 0x7b5c00010680 by thread T8:
+	# 	#0 free ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:706 (libtsan.so.2+0x47e82)
+	# 	#1 <null> <null> (libcoreclr.so+0x36ba88)
+	#
+	# Previous write of size 8 at 0x7b5c00010680 by main thread:
+	# 	[failed to restore the stack]
+	#
+	# Thread T8 '.NET ThreadPool' (tid=13563, running) created by thread T7 at:
+	# 	#0 pthread_create ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:1001 (libtsan.so.2+0x5e686)
+	# 	#1 <null> <null> (libcoreclr.so+0x4e90ce)
+	#
+	# SUMMARY: ThreadSanitizer: data race (/usr/share/dotnet/shared/Microsoft.NETCore.App/5.0.17/libcoreclr.so+0x36ba88)
+	#
+	# For solving this, we should enable C# support for sanitizers and debug it properly
+	return()
+endif()
+
 add_test(NAME ${target}
 	COMMAND $<TARGET_FILE:${target}>
 )
@@ -142,31 +163,14 @@ set_property(TEST ${target}
 	PROPERTY LABELS ${target} MEMCHECK_IGNORE
 )
 
-if((OPTION_BUILD_SANITIZER OR OPTION_BUILD_SANITIZER) AND OPTION_BUILD_LOADERS_CS)
-	# TODO: This test fails when run with sanitizers (this happens when C# loader is enabled):
+if(OPTION_BUILD_SANITIZER AND OPTION_BUILD_LOADERS_CS)
+	# TODO: This test fails when run with sanitizer (this happens when C# loader is enabled):
 	#
-	# Sanitizer:
 	# Tracer caught signal 11: addr=0x600000690 pc=0x7f3a7b6710f0 sp=0x7f3a75e32d10
 	# LeakSanitizer has encountered a fatal error.
 	# HINT: For debugging, try setting environment variable LSAN_OPTIONS=verbosity=1:log_threads=1
 	# HINT: LeakSanitizer does not work under ptrace (strace, gdb, etc)
 	#
-	# Thread Sanitizer:
-	# WARNING: ThreadSanitizer: data race (pid=13427)
-	# Write of size 8 at 0x7b5c00010680 by thread T8:
-	# 	#0 free ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:706 (libtsan.so.2+0x47e82)
-	# 	#1 <null> <null> (libcoreclr.so+0x36ba88)
-	#
-	# Previous write of size 8 at 0x7b5c00010680 by main thread:
-	# 	[failed to restore the stack]
-	#
-	# Thread T8 '.NET ThreadPool' (tid=13563, running) created by thread T7 at:
-	# 	#0 pthread_create ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:1001 (libtsan.so.2+0x5e686)
-	# 	#1 <null> <null> (libcoreclr.so+0x4e90ce)
-	#
-	# SUMMARY: ThreadSanitizer: data race (/usr/share/dotnet/shared/Microsoft.NETCore.App/5.0.17/libcoreclr.so+0x36ba88)
-	#
-	#
 	# For solving this, we should enable C# support for sanitizers and debug it properly
 	set_tests_properties(${target} PROPERTIES
 		PASS_REGULAR_EXPRESSION "[  PASSED  ]"
diff --git a/source/tests/sanitizer/tsan.supp b/source/tests/sanitizer/tsan.supp
index d0fbbde96..0219c8e1e 100644
--- a/source/tests/sanitizer/tsan.supp
+++ b/source/tests/sanitizer/tsan.supp
@@ -26,6 +26,16 @@
 called_from_lib:libcoreclr*
 called_from_lib:libclrjit*
 #
+# Java
+#
+called_from_lib:libjvm*
+#
+# WASM (TODO: This must be reviewed, probably it's a false positive)
+#
+called_from_lib:libwasmtime*
+#
 # Rust
 #
-called_from_lib:libLLVM*
\ No newline at end of file
+called_from_lib:libLLVM*
+called_from_lib:librustc_driver-*
+called_from_lib:libstd-*
\ No newline at end of file