ostest: Enabled KASAN, UBSAN & assertions.

boards/sim/sim/sim/configs/ostest/defconfig

@@ -14,10 +14,15 @@ CONFIG_BOARDCTL=y
 CONFIG_BOARDCTL_POWEROFF=y
 CONFIG_BOARD_LOOPSPERMSEC=100
 CONFIG_CANCELLATION_POINTS=y
+CONFIG_DEBUG_ASSERTIONS=y
+CONFIG_DEBUG_FEATURES=y
 CONFIG_DEBUG_SYMBOLS=y
 CONFIG_FS_NAMED_SEMAPHORES=y
 CONFIG_IDLETHREAD_STACKSIZE=4096
 CONFIG_INIT_ENTRYPOINT="ostest_main"
+CONFIG_MM_KASAN=y
+CONFIG_MM_UBSAN=y
+CONFIG_MM_UBSAN_TRAP_ON_ERROR=y
 CONFIG_PTHREAD_CLEANUP=y
 CONFIG_PTHREAD_CLEANUP_STACKSIZE=3
 CONFIG_PTHREAD_MUTEX_TYPES=y

tools/ci/testlist/sim-02.dat

@@ -6,6 +6,9 @@
 -Darwin,sim:rpserver
 -Darwin,sim:sotest32
 
+# clang doesn't -fsanitize=kernel-address
+-Darwin,sim:ostest
+
 # macOS doesn't support --wrap flag
 # ld: unknown option: --wrap
 -Darwin,sim:segger