diff --git a/fastboot/constants.h b/fastboot/constants.h
index 2eaf006..705da33 100644
--- a/fastboot/constants.h
+++ b/fastboot/constants.h
@@ -63,3 +63,4 @@
 #define FB_VAR_VARIANT "variant"
 #define FB_VAR_OFF_MODE_CHARGE_STATE "off-mode-charge"
 #define FB_VAR_BATTERY_VOLTAGE "battery-voltage"
+#define FB_VAR_BATTERY_SOC_OK "battery-soc-ok"
diff --git a/fastboot/device/commands.cpp b/fastboot/device/commands.cpp
index 6c0aba1..3f663ef 100644
--- a/fastboot/device/commands.cpp
+++ b/fastboot/device/commands.cpp
@@ -98,6 +98,7 @@
             {FB_VAR_IS_USERSPACE, {GetIsUserspace, nullptr}},
             {FB_VAR_OFF_MODE_CHARGE_STATE, {GetOffModeChargeState, nullptr}},
             {FB_VAR_BATTERY_VOLTAGE, {GetBatteryVoltage, nullptr}},
+            {FB_VAR_BATTERY_SOC_OK, {GetBatterySoCOk, nullptr}},
             {FB_VAR_HW_REVISION, {GetHardwareRevision, nullptr}}};
 
     if (args.size() < 2) {
diff --git a/fastboot/device/variables.cpp b/fastboot/device/variables.cpp
index 01415d7..2de79b1 100644
--- a/fastboot/device/variables.cpp
+++ b/fastboot/device/variables.cpp
@@ -96,6 +96,56 @@
     return true;
 }
 
+bool GetBatteryVoltageHelper(FastbootDevice* device, int32_t* battery_voltage) {
+    using android::hardware::health::V2_0::HealthInfo;
+    using android::hardware::health::V2_0::Result;
+
+    auto health_hal = device->health_hal();
+    if (!health_hal) {
+        return false;
+    }
+
+    Result ret;
+    auto ret_val = health_hal->getHealthInfo([&](Result result, HealthInfo info) {
+        *battery_voltage = info.legacy.batteryVoltage;
+        ret = result;
+    });
+    if (!ret_val.isOk() || (ret != Result::SUCCESS)) {
+        return false;
+    }
+
+    return true;
+}
+
+bool GetBatterySoCOk(FastbootDevice* device, const std::vector<std::string>& /* args */,
+                     std::string* message) {
+    int32_t battery_voltage = 0;
+    if (!GetBatteryVoltageHelper(device, &battery_voltage)) {
+        *message = "Unable to read battery voltage";
+        return false;
+    }
+
+    auto fastboot_hal = device->fastboot_hal();
+    if (!fastboot_hal) {
+        *message = "Fastboot HAL not found";
+        return false;
+    }
+
+    Result ret;
+    auto ret_val = fastboot_hal->getBatteryVoltageFlashingThreshold(
+            [&](int32_t voltage_threshold, Result result) {
+                *message = battery_voltage >= voltage_threshold ? "yes" : "no";
+                ret = result;
+            });
+
+    if (!ret_val.isOk() || ret.status != Status::SUCCESS) {
+        *message = "Unable to get battery voltage flashing threshold";
+        return false;
+    }
+
+    return true;
+}
+
 bool GetOffModeChargeState(FastbootDevice* device, const std::vector<std::string>& /* args */,
                            std::string* message) {
     auto fastboot_hal = device->fastboot_hal();
@@ -120,26 +170,13 @@
 
 bool GetBatteryVoltage(FastbootDevice* device, const std::vector<std::string>& /* args */,
                        std::string* message) {
-    using android::hardware::health::V2_0::HealthInfo;
-    using android::hardware::health::V2_0::Result;
-
-    auto health_hal = device->health_hal();
-    if (!health_hal) {
-        *message = "Health HAL not found";
-        return false;
+    int32_t battery_voltage = 0;
+    if (GetBatteryVoltageHelper(device, &battery_voltage)) {
+        *message = std::to_string(battery_voltage);
+        return true;
     }
-
-    Result ret;
-    auto ret_val = health_hal->getHealthInfo([&](Result result, HealthInfo info) {
-        *message = std::to_string(info.legacy.batteryVoltage);
-        ret = result;
-    });
-    if (!ret_val.isOk() || (ret != Result::SUCCESS)) {
-        *message = "Unable to get battery voltage";
-        return false;
-    }
-
-    return true;
+    *message = "Unable to get battery voltage";
+    return false;
 }
 
 bool GetCurrentSlot(FastbootDevice* device, const std::vector<std::string>& /* args */,
diff --git a/fastboot/device/variables.h b/fastboot/device/variables.h
index e7c3c7c..59b71e8 100644
--- a/fastboot/device/variables.h
+++ b/fastboot/device/variables.h
@@ -57,6 +57,9 @@
                            std::string* message);
 bool GetBatteryVoltage(FastbootDevice* device, const std::vector<std::string>& args,
                        std::string* message);
+bool GetBatterySoCOk(FastbootDevice* device, const std::vector<std::string>& args,
+                     std::string* message);
+
 // Helpers for getvar all.
 std::vector<std::vector<std::string>> GetAllPartitionArgsWithSlot(FastbootDevice* device);
 std::vector<std::vector<std::string>> GetAllPartitionArgsNoSlot(FastbootDevice* device);
diff --git a/llkd/README.md b/llkd/README.md
index 1f69718..e5be850 100644
--- a/llkd/README.md
+++ b/llkd/README.md
@@ -127,7 +127,7 @@
 default 2 minutes samples of threads for D or Z.
 
 #### ro.llk.stack
-default *empty* or false, comma separated list of kernel symbols.
+default cma_alloc,__get_user_pages, comma separated list of kernel symbols.
 The string "*false*" is the equivalent to an *empty* list.
 Look for kernel stack symbols that if ever persistently present can
 indicate a subsystem is locked up.
diff --git a/llkd/include/llkd.h b/llkd/include/llkd.h
index d0188ec..c724fce 100644
--- a/llkd/include/llkd.h
+++ b/llkd/include/llkd.h
@@ -48,7 +48,7 @@
 /* LLK_CHECK_MS_DEFAULT = actual timeout_ms / LLK_CHECKS_PER_TIMEOUT_DEFAULT */
 #define LLK_CHECKS_PER_TIMEOUT_DEFAULT 5
 #define LLK_CHECK_STACK_PROPERTY       "ro.llk.stack"
-#define LLK_CHECK_STACK_DEFAULT        ""
+#define LLK_CHECK_STACK_DEFAULT        "cma_alloc,__get_user_pages"
 #define LLK_BLACKLIST_PROCESS_PROPERTY "ro.llk.blacklist.process"
 #define LLK_BLACKLIST_PROCESS_DEFAULT  \
     "0,1,2,init,[kthreadd],[khungtaskd],lmkd,lmkd.llkd,llkd,watchdogd,[watchdogd],[watchdogd/0]"
diff --git a/llkd/libllkd.cpp b/llkd/libllkd.cpp
index 58c2ba8..6840ed0 100644
--- a/llkd/libllkd.cpp
+++ b/llkd/libllkd.cpp
@@ -265,7 +265,7 @@
     }
     content.erase(pos);
     uid_t ret;
-    if (!android::base::ParseInt(content, &ret, uid_t(0))) {
+    if (!android::base::ParseUint(content, &ret, uid_t(0))) {
         return -1;
     }
     return ret;