diff --git a/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp b/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
index 633fe52..2bf70c7 100644
--- a/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
@@ -2975,15 +2975,15 @@
 
     // The five methods below is intended to be called after the worker
     // thread has joined, thus no extra synchronization is needed.
-    bool hasObservablePositionIncrease() const { return mObservablePositionIncrease; }
-    bool hasObservableRetrogradePosition() const { return mRetrogradeObservablePosition; }
+    bool hasObservablePositionIncrease() const { return mObservable.hasPositionIncrease; }
+    bool hasObservableRetrogradePosition() const { return mObservable.hasRetrogradePosition; }
     bool hasHardwarePositionIncrease() const {
         // For non-MMap, always return true to pass the validation.
-        return mIsMmap ? mHardwarePositionIncrease : true;
+        return mIsMmap ? mHardware.hasPositionIncrease : true;
     }
     bool hasHardwareRetrogradePosition() const {
         // For non-MMap, always return false to pass the validation.
-        return mIsMmap ? mRetrogradeHardwarePosition : false;
+        return mIsMmap ? mHardware.hasRetrogradePosition : false;
     }
     std::string getUnexpectedStateTransition() const { return mUnexpectedTransition; }
 
@@ -3011,25 +3011,9 @@
     }
     bool interceptRawReply(const StreamDescriptor::Reply&) override { return false; }
     bool processValidReply(const StreamDescriptor::Reply& reply) override {
-        if (reply.observable.frames != StreamDescriptor::Position::UNKNOWN) {
-            if (mPreviousObservableFrames.has_value()) {
-                if (reply.observable.frames > mPreviousObservableFrames.value()) {
-                    mObservablePositionIncrease = true;
-                } else if (reply.observable.frames < mPreviousObservableFrames.value()) {
-                    mRetrogradeObservablePosition = true;
-                }
-            }
-            mPreviousObservableFrames = reply.observable.frames;
-        }
+        mObservable.update(reply.observable.frames);
         if (mIsMmap) {
-            if (mPreviousHardwareFrames.has_value()) {
-                if (reply.hardware.frames > mPreviousHardwareFrames.value()) {
-                    mHardwarePositionIncrease = true;
-                } else if (reply.hardware.frames < mPreviousHardwareFrames.value()) {
-                    mRetrogradeHardwarePosition = true;
-                }
-            }
-            mPreviousHardwareFrames = reply.hardware.frames;
+            mHardware.update(reply.hardware.frames);
         }
 
         auto expected = mCommands->getExpectedStates();
@@ -3054,16 +3038,30 @@
     }
 
   protected:
+    struct FramesCounter {
+        std::optional<int64_t> previous;
+        bool hasPositionIncrease = false;
+        bool hasRetrogradePosition = false;
+
+        void update(int64_t position) {
+            if (position == StreamDescriptor::Position::UNKNOWN) return;
+            if (previous.has_value()) {
+                if (position > previous.value()) {
+                    hasPositionIncrease = true;
+                } else if (position < previous.value()) {
+                    hasRetrogradePosition = true;
+                }
+            }
+            previous = position;
+        }
+    };
+
     std::shared_ptr<StateSequence> mCommands;
     const size_t mFrameSizeBytes;
     const bool mIsMmap;
     std::optional<StreamDescriptor::State> mPreviousState;
-    std::optional<int64_t> mPreviousObservableFrames;
-    bool mObservablePositionIncrease = false;
-    bool mRetrogradeObservablePosition = false;
-    std::optional<int64_t> mPreviousHardwareFrames;
-    bool mHardwarePositionIncrease = false;
-    bool mRetrogradeHardwarePosition = false;
+    FramesCounter mObservable;
+    FramesCounter mHardware;
     std::string mUnexpectedTransition;
 };
 
diff --git a/automotive/vehicle/aidl/impl/fake_impl/hardware/include/FakeVehicleHardware.h b/automotive/vehicle/aidl/impl/fake_impl/hardware/include/FakeVehicleHardware.h
index ec69894..ad14a9b 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/hardware/include/FakeVehicleHardware.h
+++ b/automotive/vehicle/aidl/impl/fake_impl/hardware/include/FakeVehicleHardware.h
@@ -49,6 +49,11 @@
 
 class FakeVehicleHardware : public IVehicleHardware {
   public:
+    // Supports Suspend_to_ram.
+    static constexpr int32_t SUPPORT_S2R = 0x1;
+    // Supports Suspend_to_disk.
+    static constexpr int32_t SUPPORT_S2D = 0x4;
+
     using ValueResultType = VhalResult<VehiclePropValuePool::RecyclableType>;
 
     FakeVehicleHardware();
@@ -117,6 +122,12 @@
 
     bool UseOverrideConfigDir();
 
+    // Gets the config whether S2R or S2D is supported, must returns a bit flag made up of
+    // SUPPORT_S2R and SUPPORT_S2D, for example, 0x0 means no support, 0x5 means support both.
+    // The default implementation is reading this from system property:
+    // "ro.vendor.fake_vhal.ap_power_state_req.config".
+    int32_t getS2rS2dConfig();
+
   private:
     // Expose private methods to unit test.
     friend class FakeVehicleHardwareTestHelper;
diff --git a/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp b/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
index 54dcca2..855d85f 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
+++ b/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
@@ -396,8 +396,7 @@
         VehiclePropertyStore::TokenFunction tokenFunction = nullptr;
 
         if (cfg.prop == toInt(VehicleProperty::AP_POWER_STATE_REQ)) {
-            int config = GetIntProperty(POWER_STATE_REQ_CONFIG_PROPERTY, /*default_value=*/0);
-            cfg.configArray[0] = config;
+            cfg.configArray[0] = getS2rS2dConfig();
         } else if (cfg.prop == OBD2_FREEZE_FRAME) {
             tokenFunction = [](const VehiclePropValue& propValue) { return propValue.timestamp; };
         }
@@ -426,6 +425,10 @@
     });
 }
 
+int32_t FakeVehicleHardware::getS2rS2dConfig() {
+    return GetIntProperty(POWER_STATE_REQ_CONFIG_PROPERTY, /*default_value=*/0);
+}
+
 std::vector<VehiclePropConfig> FakeVehicleHardware::getAllPropertyConfigs() const {
     std::vector<VehiclePropConfig> allConfigs = mServerSidePropStore->getAllConfigs();
     if (mAddExtraTestVendorConfigs) {
diff --git a/compatibility_matrices/bump.py b/compatibility_matrices/bump.py
index 35633c1..4e3ceaa 100755
--- a/compatibility_matrices/bump.py
+++ b/compatibility_matrices/bump.py
@@ -111,6 +111,25 @@
             "kernel_configs", "-a", " ".join(next_kernel_configs), android_bp
         ])
 
+        # update the SYSTEM_MATRIX_DEPS variable and the phony module's
+        # product_variables entry.
+        lines = []
+        with open(android_bp) as f:
+            for line in f:
+              if f"    \"{self.device_module_name}\",\n" in line:
+                  lines.append(f"    \"{self.current_module_name}\",\n")
+
+              if f"                \"{self.current_module_name}\",\n" in line:
+                  lines.append(f"                \"{self.next_module_name}\",\n")
+              else:
+                  lines.append(line)
+
+        with open(android_bp, "w") as f:
+            f.write("".join(lines))
+
+
+    # This Android.mk file may be deprecated soon and the functionality is
+    # replaced by the soong phony module system_compatibility_matrix.xml.
     def edit_android_mk(self):
         android_mk = self.interfaces_dir / "compatibility_matrices/Android.mk"
         lines = []
diff --git a/secure_element/aidl/default/Android.bp b/secure_element/aidl/default/Android.bp
index b382822..6f5e5f7 100644
--- a/secure_element/aidl/default/Android.bp
+++ b/secure_element/aidl/default/Android.bp
@@ -55,6 +55,7 @@
     prebuilts: [
         "secure_element.rc",
         "secure_element.xml",
-        "android.hardware.se.omapi.ese.prebuilt.xml", // <feature>
+        // TODO (b/289193458): Add this back when access control is implemented for cuttlefish.
+        // "android.hardware.se.omapi.ese.prebuilt.xml", // <feature>
     ],
 }
diff --git a/security/keymint/support/include/remote_prov/remote_prov_utils.h b/security/keymint/support/include/remote_prov/remote_prov_utils.h
index b7c32ca..141f243 100644
--- a/security/keymint/support/include/remote_prov/remote_prov_utils.h
+++ b/security/keymint/support/include/remote_prov/remote_prov_utils.h
@@ -21,6 +21,7 @@
 #include <vector>
 #include "aidl/android/hardware/security/keymint/IRemotelyProvisionedComponent.h"
 
+#include <hwtrust/hwtrust.h>
 #include <keymaster/cppcose/cppcose.h>
 
 namespace aidl::android::hardware::security::keymint::remote_prov {
@@ -176,7 +177,8 @@
  */
 ErrMsgOr<std::unique_ptr<cppbor::Array>> verifyFactoryCsr(
         const cppbor::Array& keysToSign, const std::vector<uint8_t>& csr,
-        IRemotelyProvisionedComponent* provisionable, const std::vector<uint8_t>& challenge);
+        IRemotelyProvisionedComponent* provisionable, const std::vector<uint8_t>& challenge,
+        bool allowDegenerate = true);
 /**
  * Verify the CSR as if the device is a final production sample.
  */
@@ -188,4 +190,9 @@
 /** Checks whether the CSR has a proper DICE chain. */
 ErrMsgOr<bool> isCsrWithProperDiceChain(const std::vector<uint8_t>& csr);
 
+/** Verify the DICE chain. */
+ErrMsgOr<std::vector<BccEntryData>> validateBcc(const cppbor::Array* bcc,
+                                                hwtrust::DiceChain::Kind kind, bool allowAnyMode,
+                                                bool allowDegenerate);
+
 }  // namespace aidl::android::hardware::security::keymint::remote_prov
diff --git a/security/keymint/support/remote_prov_utils.cpp b/security/keymint/support/remote_prov_utils.cpp
index 646037c..a679340 100644
--- a/security/keymint/support/remote_prov_utils.cpp
+++ b/security/keymint/support/remote_prov_utils.cpp
@@ -26,7 +26,6 @@
 #include <android-base/macros.h>
 #include <android-base/properties.h>
 #include <cppbor.h>
-#include <hwtrust/hwtrust.h>
 #include <json/json.h>
 #include <keymaster/km_openssl/ec_key.h>
 #include <keymaster/km_openssl/ecdsa_operation.h>
@@ -325,7 +324,8 @@
 }
 
 ErrMsgOr<std::vector<BccEntryData>> validateBcc(const cppbor::Array* bcc,
-                                                hwtrust::DiceChain::Kind kind, bool allowAnyMode) {
+                                                hwtrust::DiceChain::Kind kind, bool allowAnyMode,
+                                                bool allowDegenerate) {
     auto encodedBcc = bcc->encode();
 
     // Use ro.build.type instead of ro.debuggable because ro.debuggable=1 for VTS testing
@@ -336,6 +336,11 @@
 
     auto chain = hwtrust::DiceChain::Verify(encodedBcc, kind, allowAnyMode);
     if (!chain.ok()) return chain.error().message();
+
+    if (!allowDegenerate && !chain->IsProper()) {
+        return "DICE chain is degenerate";
+    }
+
     auto keys = chain->CosePublicKeys();
     if (!keys.ok()) return keys.error().message();
     std::vector<BccEntryData> result;
@@ -701,7 +706,8 @@
     }
 
     // BCC is [ pubkey, + BccEntry]
-    auto bccContents = validateBcc(bcc->asArray(), hwtrust::DiceChain::Kind::kVsr13, allowAnyMode);
+    auto bccContents = validateBcc(bcc->asArray(), hwtrust::DiceChain::Kind::kVsr13, allowAnyMode,
+                                   /*allowDegenerate=*/true);
     if (!bccContents) {
         return bccContents.message() + "\n" + prettyPrint(bcc.get());
     }
@@ -997,7 +1003,8 @@
 
 ErrMsgOr<bytevec> parseAndValidateAuthenticatedRequest(const std::vector<uint8_t>& request,
                                                        const std::vector<uint8_t>& challenge,
-                                                       bool allowAnyMode = false) {
+                                                       bool allowAnyMode = false,
+                                                       bool allowDegenerate = true) {
     auto [parsedRequest, _, csrErrMsg] = cppbor::parse(request);
     if (!parsedRequest) {
         return csrErrMsg;
@@ -1035,19 +1042,20 @@
         return diceChainKind.message();
     }
 
-    auto diceContents = validateBcc(diceCertChain, *diceChainKind, allowAnyMode);
+    auto diceContents = validateBcc(diceCertChain, *diceChainKind, allowAnyMode, allowDegenerate);
     if (!diceContents) {
         return diceContents.message() + "\n" + prettyPrint(diceCertChain);
     }
 
-    auto& udsPub = diceContents->back().pubKey;
+    auto udsPub = diceCertChain->get(0)->asMap()->encode();
+    auto& kmDiceKey = diceContents->back().pubKey;
 
     auto error = validateUdsCerts(*udsCerts, udsPub);
     if (!error.empty()) {
         return error;
     }
 
-    auto signedPayload = verifyAndParseCoseSign1(signedData, udsPub, {} /* aad */);
+    auto signedPayload = verifyAndParseCoseSign1(signedData, kmDiceKey, {} /* aad */);
     if (!signedPayload) {
         return signedPayload.message();
     }
@@ -1064,7 +1072,8 @@
                                                    const std::vector<uint8_t>& csr,
                                                    IRemotelyProvisionedComponent* provisionable,
                                                    const std::vector<uint8_t>& challenge,
-                                                   bool isFactory, bool allowAnyMode = false) {
+                                                   bool isFactory, bool allowAnyMode = false,
+                                                   bool allowDegenerate = true) {
     RpcHardwareInfo info;
     provisionable->getHardwareInfo(&info);
     if (info.versionNumber != 3) {
@@ -1072,7 +1081,8 @@
                ") does not match expected version (3).";
     }
 
-    auto csrPayload = parseAndValidateAuthenticatedRequest(csr, challenge, allowAnyMode);
+    auto csrPayload =
+            parseAndValidateAuthenticatedRequest(csr, challenge, allowAnyMode, allowDegenerate);
     if (!csrPayload) {
         return csrPayload.message();
     }
@@ -1082,8 +1092,10 @@
 
 ErrMsgOr<std::unique_ptr<cppbor::Array>> verifyFactoryCsr(
         const cppbor::Array& keysToSign, const std::vector<uint8_t>& csr,
-        IRemotelyProvisionedComponent* provisionable, const std::vector<uint8_t>& challenge) {
-    return verifyCsr(keysToSign, csr, provisionable, challenge, /*isFactory=*/true);
+        IRemotelyProvisionedComponent* provisionable, const std::vector<uint8_t>& challenge,
+        bool allowDegenerate) {
+    return verifyCsr(keysToSign, csr, provisionable, challenge, /*isFactory=*/true,
+                     /*allowAnyMode=*/false, allowDegenerate);
 }
 
 ErrMsgOr<std::unique_ptr<cppbor::Array>> verifyProductionCsr(
diff --git a/security/keymint/support/remote_prov_utils_test.cpp b/security/keymint/support/remote_prov_utils_test.cpp
index 89469f1..82121cb 100644
--- a/security/keymint/support/remote_prov_utils_test.cpp
+++ b/security/keymint/support/remote_prov_utils_test.cpp
@@ -41,6 +41,41 @@
 using ::testing::ElementsAreArray;
 using byte_view = std::span<const uint8_t>;
 
+inline const std::vector<uint8_t> kDegenerateBcc{
+        0x82, 0xa5, 0x01, 0x01, 0x03, 0x27, 0x04, 0x81, 0x02, 0x20, 0x06, 0x21, 0x58, 0x20, 0xf5,
+        0x5a, 0xfb, 0x28, 0x06, 0x48, 0x68, 0xea, 0x49, 0x3e, 0x47, 0x80, 0x1d, 0xfe, 0x1f, 0xfc,
+        0xa8, 0x84, 0xb3, 0x4d, 0xdb, 0x99, 0xc7, 0xbf, 0x23, 0x53, 0xe5, 0x71, 0x92, 0x41, 0x9b,
+        0x46, 0x84, 0x43, 0xa1, 0x01, 0x27, 0xa0, 0x59, 0x01, 0x75, 0xa9, 0x01, 0x78, 0x28, 0x31,
+        0x64, 0x34, 0x35, 0x65, 0x33, 0x35, 0x63, 0x34, 0x35, 0x37, 0x33, 0x31, 0x61, 0x32, 0x62,
+        0x34, 0x35, 0x36, 0x37, 0x63, 0x33, 0x63, 0x65, 0x35, 0x31, 0x36, 0x66, 0x35, 0x63, 0x31,
+        0x66, 0x34, 0x33, 0x61, 0x62, 0x64, 0x36, 0x30, 0x62, 0x02, 0x78, 0x28, 0x31, 0x64, 0x34,
+        0x35, 0x65, 0x33, 0x35, 0x63, 0x34, 0x35, 0x37, 0x33, 0x31, 0x61, 0x32, 0x62, 0x34, 0x35,
+        0x36, 0x37, 0x63, 0x33, 0x63, 0x65, 0x35, 0x31, 0x36, 0x66, 0x35, 0x63, 0x31, 0x66, 0x34,
+        0x33, 0x61, 0x62, 0x64, 0x36, 0x30, 0x62, 0x3a, 0x00, 0x47, 0x44, 0x50, 0x58, 0x40, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x3a, 0x00, 0x47, 0x44, 0x53, 0x41, 0xa0, 0x3a, 0x00, 0x47, 0x44, 0x52,
+        0x58, 0x40, 0x71, 0xd7, 0x47, 0x9e, 0x61, 0xb5, 0x30, 0xa3, 0xda, 0xe6, 0xac, 0xb2, 0x91,
+        0xa4, 0xf9, 0xcf, 0x7f, 0xba, 0x6b, 0x5f, 0xf9, 0xa3, 0x7f, 0xba, 0xab, 0xac, 0x69, 0xdd,
+        0x0b, 0x04, 0xd6, 0x34, 0xd2, 0x3f, 0x8f, 0x84, 0x96, 0xd7, 0x58, 0x51, 0x1d, 0x68, 0x25,
+        0xea, 0xbe, 0x11, 0x11, 0x1e, 0xd8, 0xdf, 0x4b, 0x62, 0x78, 0x5c, 0xa8, 0xfa, 0xb7, 0x66,
+        0x4e, 0x8d, 0xac, 0x3b, 0x00, 0x4c, 0x3a, 0x00, 0x47, 0x44, 0x54, 0x58, 0x40, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x3a, 0x00, 0x47, 0x44, 0x56, 0x41, 0x00, 0x3a, 0x00, 0x47, 0x44, 0x57, 0x58,
+        0x2d, 0xa5, 0x01, 0x01, 0x03, 0x27, 0x04, 0x81, 0x02, 0x20, 0x06, 0x21, 0x58, 0x20, 0xf5,
+        0x5a, 0xfb, 0x28, 0x06, 0x48, 0x68, 0xea, 0x49, 0x3e, 0x47, 0x80, 0x1d, 0xfe, 0x1f, 0xfc,
+        0xa8, 0x84, 0xb3, 0x4d, 0xdb, 0x99, 0xc7, 0xbf, 0x23, 0x53, 0xe5, 0x71, 0x92, 0x41, 0x9b,
+        0x46, 0x3a, 0x00, 0x47, 0x44, 0x58, 0x41, 0x20, 0x58, 0x40, 0x31, 0x5c, 0x43, 0x87, 0xf9,
+        0xbb, 0xb9, 0x45, 0x09, 0xa8, 0xe8, 0x08, 0x70, 0xc4, 0xd9, 0xdc, 0x4e, 0x5a, 0x19, 0x10,
+        0x4f, 0xa3, 0x21, 0x20, 0x34, 0x05, 0x5b, 0x2e, 0x78, 0x91, 0xd1, 0xe2, 0x39, 0x43, 0x8b,
+        0x50, 0x12, 0x82, 0x37, 0xfe, 0xa4, 0x07, 0xc3, 0xd5, 0xc3, 0x78, 0xcc, 0xf9, 0xef, 0xe1,
+        0x95, 0x38, 0x9f, 0xb0, 0x79, 0x16, 0x4c, 0x4a, 0x23, 0xc4, 0xdc, 0x35, 0x4e, 0x0f};
+
 inline bool equal_byte_views(const byte_view& view1, const byte_view& view2) {
     return std::equal(view1.begin(), view1.end(), view2.begin(), view2.end());
 }
@@ -258,5 +293,14 @@
     EXPECT_THAT(eekPubY, ElementsAreArray(geek->getBstrValue(CoseKey::PUBKEY_Y).value_or(empty)));
 }
 
+TEST(RemoteProvUtilsTest, validateBccDegenerate) {
+    auto [bcc, _, errMsg] = cppbor::parse(kDegenerateBcc);
+    ASSERT_TRUE(bcc) << "Error: " << errMsg;
+
+    EXPECT_TRUE(validateBcc(bcc->asArray(), hwtrust::DiceChain::Kind::kVsr16,
+                            /*allowAnyMode=*/false, /*allowDegenerate=*/true));
+    EXPECT_FALSE(validateBcc(bcc->asArray(), hwtrust::DiceChain::Kind::kVsr16,
+                             /*allowAnyMode=*/false, /*allowDegenerate=*/false));
+}
 }  // namespace
 }  // namespace aidl::android::hardware::security::keymint::remote_prov
diff --git a/security/rkp/OWNERS b/security/rkp/OWNERS
index d25977f..8f854b4 100644
--- a/security/rkp/OWNERS
+++ b/security/rkp/OWNERS
@@ -2,4 +2,3 @@
 
 jbires@google.com
 sethmo@google.com
-trong@google.com