diff --git a/osbase/test/ktest/BUILD.bazel b/osbase/test/ktest/BUILD.bazel
new file mode 100644
index 0000000..16612e5
--- /dev/null
+++ b/osbase/test/ktest/BUILD.bazel
@@ -0,0 +1,62 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
+load("//metropolis/node/build/kconfig-patcher:kconfig-patcher.bzl", "kconfig_patch")
+load("//third_party/linux:def.bzl", "linux_image")
+
+go_library(
+    name = "ktest_lib",
+    srcs = ["main.go"],
+    importpath = "source.monogon.dev/osbase/test/ktest",
+    visibility = ["//visibility:private"],
+    deps = ["//osbase/test/launch"],
+)
+
+go_binary(
+    name = "ktest",
+    embed = [":ktest_lib"],
+    pure = "on",
+    visibility = [
+        "//go/net/psample:__pkg__",
+        "//metropolis:__subpackages__",
+        "//osbase:__subpackages__",
+    ],
+)
+
+kconfig_patch(
+    name = "testing-config",
+    src = "//third_party/linux:linux-metropolis.config",
+    out = "testing.config",
+    override_configs = {
+        # Unlock command line
+        "CONFIG_CMDLINE_OVERRIDE": "n",
+        "CONFIG_CMDLINE_BOOL": "n",
+        # Shave off 1 second from boot time
+        "CONFIG_SERIO_I8042": "",
+        "CONFIG_KEYBOARD_ATKBD": "",
+        "CONFIG_RTC_DRV_CMOS": "",
+        # Shave off an additional 18ms (half of the boot time)
+        "CONFIG_DEBUG_WX": "",
+    },
+)
+
+linux_image(
+    name = "linux-testing",
+    image_format = "vmlinux",
+    kernel_config = ":testing-config",
+    # This image is directly used by the ktest macro, thus it needs a pretty
+    # wide visibility.
+    visibility = [
+        "//go/net/psample:__pkg__",
+        "//metropolis:__subpackages__",
+        "//osbase:__subpackages__",
+    ],
+)
+
+filegroup(
+    name = "test-script",
+    srcs = ["run_ktest.sh"],
+    visibility = [
+        "//go/net/psample:__pkg__",
+        "//metropolis:__subpackages__",
+        "//osbase:__subpackages__",
+    ],
+)