diff --git a/clang/lib/Driver/ToolChains/FreeBSD.cpp b/clang/lib/Driver/ToolChains/FreeBSD.cpp
--- a/clang/lib/Driver/ToolChains/FreeBSD.cpp
+++ b/clang/lib/Driver/ToolChains/FreeBSD.cpp
@@ -485,8 +485,11 @@
     Res |= SanitizerKind::Fuzzer;
     Res |= SanitizerKind::FuzzerNoLink;
   }
-  if (IsX86_64)
+  if (IsX86_64) {
+    Res |= SanitizerKind::KernelAddress;
+    Res |= SanitizerKind::KernelMemory;
     Res |= SanitizerKind::Memory;
+  }
   return Res;
 }