Merge "[MTE] warn about async crashes being imprecise"
diff --git a/bootstat/bootstat.rc b/bootstat/bootstat.rc
index 23f01d1..22bd0e7 100644
--- a/bootstat/bootstat.rc
+++ b/bootstat/bootstat.rc
@@ -40,15 +40,6 @@
     chown system log /data/misc/bootstat/time_since_last_boot
     # end ota transitional support
 
-# Record the time at which the user has successfully entered the pin to decrypt
-# the device, /data is decrypted, and the system is entering the main boot phase.
-#
-# post-fs-data: /data is writable
-# property:init.svc.bootanim=running: The boot animation is running
-# property:ro.crypto.type=block: FDE device
-on post-fs-data && property:init.svc.bootanim=running && property:ro.crypto.type=block
-    exec_background - system log -- /system/bin/bootstat -r post_decrypt_time_elapsed
-
 # Initialize bootstat state machine.
 #
 # sys.bootstat.first_boot_completed: responsible for making sure that record_boot_complete happens
diff --git a/debuggerd/libdebuggerd/gwp_asan.cpp b/debuggerd/libdebuggerd/gwp_asan.cpp
index d8f74e0..26084dc 100644
--- a/debuggerd/libdebuggerd/gwp_asan.cpp
+++ b/debuggerd/libdebuggerd/gwp_asan.cpp
@@ -88,7 +88,7 @@
   thread_id_ = thread_info.tid;
 
   // Grab the internal error address, if it exists.
-  uintptr_t internal_crash_address = __gwp_asan_get_internal_crash_address(&state_);
+  uintptr_t internal_crash_address = __gwp_asan_get_internal_crash_address(&state_, crash_address_);
   if (internal_crash_address) {
     crash_address_ = internal_crash_address;
   }
diff --git a/debuggerd/libdebuggerd/scudo.cpp b/debuggerd/libdebuggerd/scudo.cpp
index 37e390b..5a62fe1 100644
--- a/debuggerd/libdebuggerd/scudo.cpp
+++ b/debuggerd/libdebuggerd/scudo.cpp
@@ -44,9 +44,12 @@
                                        __scudo_get_stack_depot_size());
   auto region_info = AllocAndReadFully(process_memory, process_info.scudo_region_info,
                                        __scudo_get_region_info_size());
-  auto ring_buffer = AllocAndReadFully(process_memory, process_info.scudo_ring_buffer,
-                                       process_info.scudo_ring_buffer_size);
-  if (!stack_depot || !region_info || !ring_buffer) {
+  std::unique_ptr<char[]> ring_buffer;
+  if (process_info.scudo_ring_buffer_size != 0) {
+    ring_buffer = AllocAndReadFully(process_memory, process_info.scudo_ring_buffer,
+                                    process_info.scudo_ring_buffer_size);
+  }
+  if (!stack_depot || !region_info) {
     return;
   }
 
diff --git a/fs_mgr/TEST_MAPPING b/fs_mgr/TEST_MAPPING
index 432aa4f..2b5e337 100644
--- a/fs_mgr/TEST_MAPPING
+++ b/fs_mgr/TEST_MAPPING
@@ -27,5 +27,16 @@
     {
       "name": "cow_api_test"
     }
+  ],
+  "kernel-presubmit": [
+    {
+      "name": "vts_libdm_test"
+    },
+    {
+      "name": "vts_core_liblp_test"
+    },
+    {
+      "name": "vts_libsnapshot_test"
+    }
   ]
 }
diff --git a/fs_mgr/fs_mgr_fstab.cpp b/fs_mgr/fs_mgr_fstab.cpp
index 36bd75d..598a3d2 100644
--- a/fs_mgr/fs_mgr_fstab.cpp
+++ b/fs_mgr/fs_mgr_fstab.cpp
@@ -304,19 +304,16 @@
             if (!ParseByteCount(arg, &entry->zram_backingdev_size)) {
                 LWARNING << "Warning: zram_backingdev_size= flag malformed: " << arg;
             }
-        } else if (StartsWith(flag, "zoned_device=")) {
-            std::string zoned;
-            if (ReadFileToString("/sys/class/block/" + arg + "/queue/zoned", &zoned) &&
-                android::base::StartsWith(zoned, "host-managed")) {
-                entry->zoned_device = "/dev/block/" + arg;
+        } else if (flag == "zoned_device") {
+            if (access("/dev/block/by-name/zoned_device", F_OK) == 0) {
+                entry->zoned_device = "/dev/block/by-name/zoned_device";
 
                 // atgc in f2fs does not support a zoned device
                 auto options = Split(entry->fs_options, ",");
                 options.erase(std::remove(options.begin(), options.end(), "atgc"), options.end());
                 entry->fs_options = android::base::Join(options, ",");
-                LINFO << "Removed ATGC in fs_options as " << entry->fs_options;
-            } else {
-                LWARNING << "Warning: cannot find the zoned device: " << arg;
+                LINFO << "Removed ATGC in fs_options as " << entry->fs_options
+                      << " for zoned device=" << entry->zoned_device;
             }
         } else {
             LWARNING << "Warning: unknown flag: " << flag;
diff --git a/fs_mgr/libfiemap/README.md b/fs_mgr/libfiemap/README.md
index 62d610a..cdc80b2 100644
--- a/fs_mgr/libfiemap/README.md
+++ b/fs_mgr/libfiemap/README.md
@@ -35,18 +35,18 @@
 
 We break the problem down into three scenarios.
 
-### FDE and Metadata Encrypted Devices
+### Metadata Encrypted Devices
 
-When FDE or metadata encryption is used, `/data` is not mounted from
+When metadata encryption is used, `/data` is not mounted from
 `/dev/block/by-name/data`. Instead, it is mounted from an intermediate
-`dm-crypt` or `dm-default-key` device. This means the underlying device is
-not marked in use, and we can create new dm-linear devices on top of it.
+`dm-default-key` device. This means the underlying device is not marked in use,
+and we can create new dm-linear devices on top of it.
 
 On these devices, a block device for an image will consist of a single
 device-mapper device with a `dm-linear` table entry for each extent in the
 backing file.
 
-### Unencrypted and FBE-encrypted Devices
+### Unencrypted and FBE-only Devices
 
 When a device is unencrypted, or is encrypted with FBE but not metadata
 encryption, we instead use a loop device with `LOOP_SET_DIRECT_IO` enabled.
diff --git a/init/Android.bp b/init/Android.bp
index c7e7de8..1aba4b3 100644
--- a/init/Android.bp
+++ b/init/Android.bp
@@ -454,15 +454,7 @@
     defaults: ["init_defaults"],
     require_root: true,
 
-    compile_multilib: "both",
-    multilib: {
-        lib32: {
-            suffix: "32",
-        },
-        lib64: {
-            suffix: "64",
-        },
-    },
+    compile_multilib: "first",
 
     srcs: [
         "devices_test.cpp",
diff --git a/init/AndroidTest.xml b/init/AndroidTest.xml
index 6f22ab7..8b05484 100644
--- a/init/AndroidTest.xml
+++ b/init/AndroidTest.xml
@@ -22,7 +22,6 @@
     <target_preparer class="com.android.compatibility.common.tradefed.targetprep.FilePusher">
         <option name="cleanup" value="true" />
         <option name="push" value="CtsInitTestCases->/data/local/tmp/CtsInitTestCases" />
-        <option name="append-bitness" value="true" />
     </target_preparer>
     <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
         <option name="throw-on-error" value="false" />
diff --git a/init/devices.cpp b/init/devices.cpp
index 8bc6e52..39442a0 100644
--- a/init/devices.cpp
+++ b/init/devices.cpp
@@ -431,6 +431,12 @@
         }
     }
 
+    std::string model;
+    if (ReadFileToString("/sys/class/block/" + uevent.device_name + "/queue/zoned", &model) &&
+        !StartsWith(model, "none")) {
+        links.emplace_back("/dev/block/by-name/zoned_device");
+    }
+
     auto last_slash = uevent.path.rfind('/');
     links.emplace_back(link_path + "/" + uevent.path.substr(last_slash + 1));
 
diff --git a/libcutils/TEST_MAPPING b/libcutils/TEST_MAPPING
index 6477502..eb63aa5 100644
--- a/libcutils/TEST_MAPPING
+++ b/libcutils/TEST_MAPPING
@@ -8,5 +8,10 @@
     {
       "name": "libcutils_test"
     }
+  ],
+  "kernel-presubmit": [
+    {
+      "name": "libcutils_test"
+    }
   ]
 }
diff --git a/libstats/expresslog/.clang-format b/libstats/expresslog/.clang-format
new file mode 100644
index 0000000..cead3a0
--- /dev/null
+++ b/libstats/expresslog/.clang-format
@@ -0,0 +1,17 @@
+BasedOnStyle: Google
+AllowShortIfStatementsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: false
+AllowShortLoopsOnASingleLine: true
+BinPackArguments: true
+BinPackParameters: true
+ColumnLimit: 100
+CommentPragmas: NOLINT:.*
+ContinuationIndentWidth: 8
+DerivePointerAlignment: false
+IndentWidth: 4
+PointerAlignment: Left
+TabWidth: 4
+AccessModifierOffset: -4
+IncludeCategories:
+  - Regex:    '^"Log\.h"'
+    Priority:    -1
diff --git a/libstats/expresslog/Android.bp b/libstats/expresslog/Android.bp
new file mode 100644
index 0000000..9cdc2c3
--- /dev/null
+++ b/libstats/expresslog/Android.bp
@@ -0,0 +1,71 @@
+
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_library {
+    name: "libexpresslog",
+    srcs: [
+        "Counter.cpp",
+    ],
+    cflags: [
+        "-DNAMESPACE_FOR_HASH_FUNCTIONS=farmhash",
+        "-Wall",
+        "-Werror",
+    ],
+    header_libs: [
+        "libtextclassifier_hash_headers",
+    ],
+    static_libs: [
+        "libstatslog_express",
+        "libtextclassifier_hash_static",
+    ],
+    shared_libs: [
+        "libbase",
+        "libstatssocket",
+    ],
+    export_include_dirs: ["include"],
+}
+
+genrule {
+    name: "statslog_express.h",
+    tools: ["stats-log-api-gen"],
+    cmd: "$(location stats-log-api-gen) --header $(genDir)/statslog_express.h --module expresslog --namespace android,expresslog",
+    out: [
+        "statslog_express.h",
+    ],
+}
+
+genrule {
+    name: "statslog_express.cpp",
+    tools: ["stats-log-api-gen"],
+    cmd: "$(location stats-log-api-gen) --cpp $(genDir)/statslog_express.cpp --module expresslog --namespace android,expresslog --importHeader statslog_express.h",
+    out: [
+        "statslog_express.cpp",
+    ],
+}
+
+cc_library_static {
+    name: "libstatslog_express",
+    generated_sources: ["statslog_express.cpp"],
+    generated_headers: ["statslog_express.h"],
+    export_generated_headers: ["statslog_express.h"],
+    shared_libs: [
+        "libstatssocket",
+    ],
+}
diff --git a/libstats/expresslog/Counter.cpp b/libstats/expresslog/Counter.cpp
new file mode 100644
index 0000000..bee1303
--- /dev/null
+++ b/libstats/expresslog/Counter.cpp
@@ -0,0 +1,32 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "include/Counter.h"
+
+#include <statslog_express.h>
+#include <string.h>
+#include <utils/hash/farmhash.h>
+
+namespace android {
+namespace expresslog {
+
+void Counter::logIncrement(const char* metricName, int64_t amount) {
+    const int64_t metricIdHash = farmhash::Fingerprint64(metricName, strlen(metricName));
+    stats_write(EXPRESS_EVENT_REPORTED, metricIdHash, amount);
+}
+
+}  // namespace expresslog
+}  // namespace android
diff --git a/libstats/expresslog/include/Counter.h b/libstats/expresslog/include/Counter.h
new file mode 100644
index 0000000..57328f5
--- /dev/null
+++ b/libstats/expresslog/include/Counter.h
@@ -0,0 +1,30 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#pragma once
+#include <stdint.h>
+
+namespace android {
+namespace expresslog {
+
+/** Counter encapsulates StatsD write API calls */
+class Counter final {
+public:
+    static void logIncrement(const char* metricId, int64_t amount = 1);
+};
+
+}  // namespace expresslog
+}  // namespace android
diff --git a/rootdir/init.rc b/rootdir/init.rc
index efad37c..db5113f 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -643,7 +643,7 @@
     chmod 0755 /sys/kernel/tracing
     chmod 0755 /sys/kernel/debug/tracing
 
-    # HALs required before storage encryption can get unlocked (FBE/FDE)
+    # HALs required before storage encryption can get unlocked (FBE)
     class_start early_hal
 
     # Load trusted keys from dm-verity protected partitions
@@ -746,9 +746,8 @@
 
     # /data/apex is now available. Start apexd to scan and activate APEXes.
     #
-    # To handle userspace reboots as well as devices that use FDE, make sure
-    # that apexd is started cleanly here (set apexd.status="") and that it is
-    # restarted if it's already running.
+    # To handle userspace reboots, make sure that apexd is started cleanly here
+    # (set apexd.status="") and that it is restarted if it's already running.
     #
     # /data/apex uses encryption=None because direct I/O support is needed on
     # APEX files, but some devices don't support direct I/O on encrypted files.
@@ -1286,6 +1285,7 @@
     group shell log readproc
     seclabel u:r:shell:s0
     setenv HOSTNAME console
+    shutdown critical
 
 on property:ro.debuggable=1
     # Give writes to anyone for the trace folder on debug builds.