diff --git a/opendbc_repo/opendbc/safety/tests/test_gm_camera_acc_pedal.py b/opendbc_repo/opendbc/safety/tests/test_gm_camera_acc_pedal.py
index 4fbd21cbf8..d972a7eaf7 100644
--- a/opendbc_repo/opendbc/safety/tests/test_gm_camera_acc_pedal.py
+++ b/opendbc_repo/opendbc/safety/tests/test_gm_camera_acc_pedal.py
@@ -12,7 +12,10 @@ from opendbc.safety.tests.libsafety import libsafety_py
 
 class TestGmCameraAccPedal(unittest.TestCase):
   def setUp(self):
-    self.safety = libsafety_py.libsafety
+    self.configure_native(libsafety_py.libsafety)
+
+  def configure_native(self, native):
+    self.safety = native
     self.release = self.safety.set_safety_hooks(CarParams.SafetyModel.allOutput, 0) != 0
     self.packer = CANPacker(DBC[CAR.CHEVROLET_SILVERADO][Bus.pt])
     self.cp = SimpleNamespace(carFingerprint=CAR.CHEVROLET_SILVERADO)
diff --git a/opendbc_repo/opendbc/safety/tests/test_gm_cc_pedal.py b/opendbc_repo/opendbc/safety/tests/test_gm_cc_pedal.py
index c343431385..470a3f2308 100644
--- a/opendbc_repo/opendbc/safety/tests/test_gm_cc_pedal.py
+++ b/opendbc_repo/opendbc/safety/tests/test_gm_cc_pedal.py
@@ -17,7 +17,10 @@ def crc(data):
 
 class TestGmCcPedal(unittest.TestCase):
   def setUp(self):
-    self.safety = libsafety_py.libsafety
+    self.configure_native(libsafety_py.libsafety)
+
+  def configure_native(self, native):
+    self.safety = native
     self.packer = CANPacker('gm_global_a_powertrain_generated')
     self.init(0xC180)
 
@@ -297,3 +300,24 @@ class TestGmCcPedal(unittest.TestCase):
     self.safety.set_timer(100001)
     self.assertFalse(self.safety.safety_tx_hook(self.command(2)))
     self.assertTrue(self.safety.safety_tx_hook(self.command(2, 0.)))
+
+
+def test_release_interceptor_guards_keep_stock_steering_without_mutating_default_native():
+  """Execute the existing physical-traffic guards on a real RELEASE library."""
+  from opendbc.safety.tests.test_gm_camera_acc_pedal import TestGmCameraAccPedal
+
+  default, default_path = libsafety_py.libsafety, libsafety_py.libpath
+  release = libsafety_py.ffi.dlopen(libsafety_py._build_libsafety(release=True))
+  volt = TestGmCcPedal(methodName='test_volt_cc_exact_records_and_release_denial')
+  camera = TestGmCameraAccPedal(methodName='test_exact_profiles_and_stock_without_pedal_or_gear')
+  try:
+    volt.configure_native(release)
+    volt.test_volt_cc_exact_records_and_release_denial()
+    camera.configure_native(release)
+    assert camera.release
+    camera.test_exact_profiles_and_stock_without_pedal_or_gear()
+  finally:
+    volt.doCleanups()
+    camera.doCleanups()
+  assert libsafety_py.libsafety is default
+  assert libsafety_py.libpath == default_path
diff --git a/prebuilt.json b/prebuilt.json
index 4fad1daa9e..1cf40778fa 100644
--- a/prebuilt.json
+++ b/prebuilt.json
@@ -1 +1 @@
-{"protected_inventory_sha256": "9328db5991b9b00ad2744212ff945b578e270783a2a0c96bc5b054308129338f", "schema_version": 1}
+{"protected_inventory_sha256": "efd5f01b16f5629c00da62d3e832b576f70f4a212ffc264ee783c393ed8f5545", "schema_version": 1}