diff --git a/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp b/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
index 0474ae7..11841b2 100644
--- a/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
+++ b/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
@@ -594,7 +594,7 @@
   if (tombstone.page_size() != 4096) {
     CBL("Page size: %d bytes", tombstone.page_size());
   } else if (tombstone.has_been_16kb_mode()) {
-    CBL("Has been in 16kb mode: yes");
+    CBL("Has been in 16 KB mode before: yes");
   }
 
   // Process header
diff --git a/fastboot/OWNERS b/fastboot/OWNERS
index 3dec07e..2444081 100644
--- a/fastboot/OWNERS
+++ b/fastboot/OWNERS
@@ -1,5 +1,6 @@
 dvander@google.com
 elsk@google.com
 enh@google.com
+sanglardf@google.com
 zhangkelvin@google.com
 
diff --git a/fs_mgr/TEST_MAPPING b/fs_mgr/TEST_MAPPING
index 13af1e2..ccbb67e 100644
--- a/fs_mgr/TEST_MAPPING
+++ b/fs_mgr/TEST_MAPPING
@@ -36,9 +36,6 @@
   ],
   "kernel-presubmit": [
     {
-      "name": "adb-remount-sh"
-    },
-    {
       "name": "libdm_test"
     },
     {
diff --git a/fs_mgr/libsnapshot/scratch_super.cpp b/fs_mgr/libsnapshot/scratch_super.cpp
index 93c4bbd..2036905 100644
--- a/fs_mgr/libsnapshot/scratch_super.cpp
+++ b/fs_mgr/libsnapshot/scratch_super.cpp
@@ -25,6 +25,13 @@
 #include <sys/vfs.h>
 #include <unistd.h>
 
+#include <algorithm>
+#include <filesystem>
+#include <memory>
+#include <optional>
+#include <string>
+#include <vector>
+
 #include <android-base/file.h>
 #include <android-base/logging.h>
 #include <android-base/macros.h>
@@ -41,12 +48,6 @@
 #include <fstab/fstab.h>
 #include <liblp/builder.h>
 #include <storage_literals/storage_literals.h>
-#include <algorithm>
-#include <filesystem>
-#include <memory>
-#include <optional>
-#include <string>
-#include <vector>
 
 #include "device_info.h"
 #include "scratch_super.h"
@@ -60,9 +61,18 @@
 namespace snapshot {
 
 static bool UmountScratch() {
-    auto ota_dir = std::string(kOtaMetadataMount) + "/" + "ota";
-    std::error_code ec;
+    Fstab fstab;
+    if (!ReadFstabFromProcMounts(&fstab)) {
+        LOG(ERROR) << "Cannot read /proc/mounts";
+        return false;
+    }
+    if (GetEntryForMountPoint(&fstab, kOtaMetadataMount) == nullptr) {
+        return true;
+    }
 
+    auto ota_dir = std::string(kOtaMetadataMount) + "/" + "ota";
+
+    std::error_code ec;
     if (std::filesystem::remove_all(ota_dir, ec) == static_cast<std::uintmax_t>(-1)) {
         LOG(ERROR) << "Failed to remove OTA directory: " << ec.message();
         return false;
diff --git a/fs_mgr/libsnapshot/snapshot_test.cpp b/fs_mgr/libsnapshot/snapshot_test.cpp
index 1a0d559..931de89 100644
--- a/fs_mgr/libsnapshot/snapshot_test.cpp
+++ b/fs_mgr/libsnapshot/snapshot_test.cpp
@@ -1345,6 +1345,7 @@
 
 TEST_F(SnapshotUpdateTest, SuperOtaMetadataTest) {
     auto info = new TestDeviceInfo(fake_super);
+    ASSERT_TRUE(CleanupScratchOtaMetadataIfPresent(info));
     ASSERT_TRUE(CreateScratchOtaMetadataOnSuper(info));
     std::string scratch_device = GetScratchOtaMetadataPartition();
     ASSERT_NE(scratch_device, "");
@@ -3071,6 +3072,18 @@
     ::testing::AddGlobalTestEnvironment(new ::android::snapshot::SnapshotTestEnvironment());
     gflags::ParseCommandLineFlags(&argc, &argv, false);
 
+    // During incremental flashing, snapshot updates are in progress.
+    //
+    // When snapshot update is in-progress, snapuserd daemon
+    // will be up and running. These tests will start and stop the daemon
+    // thereby interfering with the update and snapshot-merge progress.
+    // Hence, wait until the update is complete.
+    auto sm = android::snapshot::SnapshotManager::New();
+    while (sm->IsUserspaceSnapshotUpdateInProgress()) {
+        LOG(INFO) << "Snapshot update is in progress. Waiting...";
+        std::this_thread::sleep_for(std::chrono::milliseconds(1000));
+    }
+
     bool vab_legacy = false;
     if (FLAGS_force_mode == "vab-legacy") {
         vab_legacy = true;
diff --git a/init/README.md b/init/README.md
index 560c528..653dadd 100644
--- a/init/README.md
+++ b/init/README.md
@@ -369,6 +369,17 @@
 `setenv <name> <value>`
 > Set the environment variable _name_ to _value_ in the launched process.
 
+`shared_kallsyms`
+> If set, init will behave as if the service specified "file /proc/kallsyms r",
+  except the service will receive a duplicate of a single fd that init saved
+  during early second\_stage. This fd retains address visibility even after the
+  systemwide kptr\_restrict sysctl is set to its steady state on Android. The
+  ability to read from this fd is still constrained by selinux permissions,
+  which need to be granted separately and are gated by a neverallow.
+  Because of performance gotchas of concurrent use of this shared fd, all uses
+  need to coordinate via provisional flock(LOCK\_EX) locks on separately opened
+  /proc/kallsyms fds (since locking requires distinct open file descriptions).
+
 `shutdown <shutdown_behavior>`
 > Set shutdown behavior of the service process. When this is not specified,
   the service is killed during shutdown process by using SIGTERM and SIGKILL.
diff --git a/init/init.cpp b/init/init.cpp
index 5b0b0dd..b6ba6a8 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -1055,6 +1055,14 @@
         }
     }
 
+    // This needs to happen before SetKptrRestrictAction, as we are trying to
+    // open /proc/kallsyms while still being allowed to see the full addresses
+    // (since init holds CAP_SYSLOG, and Linux boots with kptr_restrict=0). The
+    // address visibility through the saved fd (more specifically, the backing
+    // open file description) will then be remembered by the kernel for the rest
+    // of its lifetime, even after we raise the kptr_restrict.
+    Service::OpenAndSaveStaticKallsymsFd();
+
     am.QueueBuiltinAction(SetupCgroupsAction, "SetupCgroups");
     am.QueueBuiltinAction(SetKptrRestrictAction, "SetKptrRestrict");
     am.QueueBuiltinAction(TestPerfEventSelinuxAction, "TestPerfEventSelinux");
diff --git a/init/service.cpp b/init/service.cpp
index d76a5d5..5630020 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -34,6 +34,7 @@
 #include <android-base/scopeguard.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
+#include <cutils/android_get_control_file.h>
 #include <cutils/sockets.h>
 #include <processgroup/processgroup.h>
 #include <selinux/selinux.h>
@@ -672,6 +673,14 @@
         }
     }
 
+    if (shared_kallsyms_file_) {
+        if (auto result = CreateSharedKallsymsFd(); result.ok()) {
+            descriptors.emplace_back(std::move(*result));
+        } else {
+            LOG(INFO) << "Could not obtain a copy of /proc/kallsyms: " << result.error();
+        }
+    }
+
     pid_t pid = -1;
     if (namespaces_.flags) {
         pid = clone(nullptr, nullptr, namespaces_.flags | SIGCHLD, nullptr);
@@ -835,6 +844,35 @@
     return unique_fd(signalfd(-1, &mask, SFD_CLOEXEC));
 }
 
+void Service::OpenAndSaveStaticKallsymsFd() {
+    Result<Descriptor> result = CreateSharedKallsymsFd();
+    if (!result.ok()) {
+      LOG(ERROR) << result.error();
+    }
+}
+
+// This function is designed to be called in two situations:
+// 1) early during second_stage init, to open and save the shared fd as a
+//    static (see OpenAndSaveStaticKallsymsFd).
+// 2) whenever a service requesting a copy of the fd is being started, at which
+//    point it will get a duplicated copy of the static fd.
+Result<Descriptor> Service::CreateSharedKallsymsFd() {
+    static constexpr char kallsyms_path[] = "/proc/kallsyms";
+    static int static_fd = open(kallsyms_path, O_RDONLY | O_NONBLOCK | O_CLOEXEC);
+    if (static_fd < 0) {
+        return ErrnoError() << "failed to open " << kallsyms_path;
+    }
+
+    unique_fd fd{fcntl(static_fd, F_DUPFD_CLOEXEC, /*min_fd=*/3)};
+    if (fd < 0) {
+        return ErrnoError() << "failed fcntl(F_DUPFD_CLOEXEC)";
+    }
+
+    // Use the same environment variable as if the service specified
+    // "file /proc/kallsyms r".
+    return Descriptor(std::string(ANDROID_FILE_ENV_PREFIX) + kallsyms_path, std::move(fd));
+}
+
 void Service::SetStartedInFirstStage(pid_t pid) {
     LOG(INFO) << "adding first-stage service '" << name_ << "'...";
 
diff --git a/init/service.h b/init/service.h
index ae75553..7193d7e 100644
--- a/init/service.h
+++ b/init/service.h
@@ -158,6 +158,7 @@
         static int sigchld_fd = CreateSigchldFd().release();
         return sigchld_fd;
     }
+    static void OpenAndSaveStaticKallsymsFd();
 
   private:
     void NotifyStateChange(const std::string& new_state) const;
@@ -171,6 +172,7 @@
                     InterprocessFifo setsid_finished);
     void SetMountNamespace();
     static ::android::base::unique_fd CreateSigchldFd();
+    static Result<Descriptor> CreateSharedKallsymsFd();
 
     static unsigned long next_start_order_;
     static bool is_exec_service_running_;
@@ -188,6 +190,7 @@
     std::optional<std::string> fatal_reboot_target_;  // reboot target of fatal handler
     bool was_last_exit_ok_ =
             true;  // true if the service never exited, or exited with status code 0
+    bool shared_kallsyms_file_ = false; // pass the service a pre-opened fd to /proc/kallsyms
 
     std::optional<CapSet> capabilities_;
     ProcessAttributes proc_attr_;
diff --git a/init/service_parser.cpp b/init/service_parser.cpp
index ec3b176..4c31718 100644
--- a/init/service_parser.cpp
+++ b/init/service_parser.cpp
@@ -309,6 +309,11 @@
     return {};
 }
 
+Result<void> ServiceParser::ParseSharedKallsyms(std::vector<std::string>&& args) {
+    service_->shared_kallsyms_file_ = true;
+    return {};
+}
+
 Result<void> ServiceParser::ParseMemcgSwappiness(std::vector<std::string>&& args) {
     if (!ParseInt(args[1], &service_->swappiness_, 0)) {
         return Error() << "swappiness value must be equal or greater than 0";
@@ -603,6 +608,7 @@
         {"rlimit",                  {3,     3,    &ServiceParser::ParseProcessRlimit}},
         {"seclabel",                {1,     1,    &ServiceParser::ParseSeclabel}},
         {"setenv",                  {2,     2,    &ServiceParser::ParseSetenv}},
+        {"shared_kallsyms",         {0,     0,    &ServiceParser::ParseSharedKallsyms}},
         {"shutdown",                {1,     1,    &ServiceParser::ParseShutdown}},
         {"sigstop",                 {0,     0,    &ServiceParser::ParseSigstop}},
         {"socket",                  {3,     6,    &ServiceParser::ParseSocket}},
diff --git a/init/service_parser.h b/init/service_parser.h
index f06cfc4..e42b62b 100644
--- a/init/service_parser.h
+++ b/init/service_parser.h
@@ -67,6 +67,7 @@
     Result<void> ParseRestartPeriod(std::vector<std::string>&& args);
     Result<void> ParseSeclabel(std::vector<std::string>&& args);
     Result<void> ParseSetenv(std::vector<std::string>&& args);
+    Result<void> ParseSharedKallsyms(std::vector<std::string>&& args);
     Result<void> ParseShutdown(std::vector<std::string>&& args);
     Result<void> ParseSigstop(std::vector<std::string>&& args);
     Result<void> ParseSocket(std::vector<std::string>&& args);
diff --git a/janitors/OWNERS b/janitors/OWNERS
index c25d9e4..b317151 100644
--- a/janitors/OWNERS
+++ b/janitors/OWNERS
@@ -1,7 +1,19 @@
-# OWNERS file for projects that don't really have owners so much as volunteer janitors.
+# go/android-3p requires that all external projects have the "janitors" in
+# their OWNERS files.
+
+# These are also the "owners" for projects that don't really have owners
+# so much as volunteer janitors.
+
+# General maintenance.
+sadafebrahimi@google.com
+
+# C/C++.
 ccross@google.com
 cferris@google.com
-dwillemsen@google.com
 enh@google.com
+
+# Java.
 maco@google.com
-sadafebrahimi@google.com
+
+# Python.
+dwillemsen@google.com
diff --git a/libprocessgroup/include/processgroup/processgroup.h b/libprocessgroup/include/processgroup/processgroup.h
index 28b17c1..98179e8 100644
--- a/libprocessgroup/include/processgroup/processgroup.h
+++ b/libprocessgroup/include/processgroup/processgroup.h
@@ -32,6 +32,8 @@
 // Provides the path for an attribute in a specific process group
 // Returns false in case of error, true in case of success
 bool CgroupGetAttributePathForTask(const std::string& attr_name, pid_t tid, std::string* path);
+bool CgroupGetAttributePathForProcess(std::string_view attr_name, uid_t uid, pid_t pid,
+                                      std::string &path);
 
 bool SetTaskProfiles(pid_t tid, const std::vector<std::string>& profiles,
                      bool use_fd_cache = false);
diff --git a/libprocessgroup/processgroup.cpp b/libprocessgroup/processgroup.cpp
index 53168e3..f78fed0 100644
--- a/libprocessgroup/processgroup.cpp
+++ b/libprocessgroup/processgroup.cpp
@@ -154,6 +154,23 @@
     return true;
 }
 
+bool CgroupGetAttributePathForProcess(std::string_view attr_name, uid_t uid, pid_t pid,
+                                      std::string &path) {
+    const TaskProfiles& tp = TaskProfiles::GetInstance();
+    const IProfileAttribute* attr = tp.GetAttribute(attr_name);
+
+    if (attr == nullptr) {
+        return false;
+    }
+
+    if (!attr->GetPathForProcess(uid, pid, &path)) {
+        LOG(ERROR) << "Failed to find cgroup for uid " << uid << " pid " << pid;
+        return false;
+    }
+
+    return true;
+}
+
 bool UsePerAppMemcg() {
     bool low_ram_device = GetBoolProperty("ro.config.low_ram", false);
     return GetBoolProperty("ro.config.per_app_memcg", low_ram_device);
diff --git a/libprocessgroup/profiles/task_profiles.json b/libprocessgroup/profiles/task_profiles.json
index 28902ef..720cb30 100644
--- a/libprocessgroup/profiles/task_profiles.json
+++ b/libprocessgroup/profiles/task_profiles.json
@@ -81,6 +81,11 @@
       "Name": "FreezerState",
       "Controller": "freezer",
       "File": "cgroup.freeze"
+    },
+    {
+      "Name": "CgroupProcs",
+      "Controller": "cgroup2",
+      "File": "cgroup.procs"
     }
   ],
 
diff --git a/rootdir/Android.bp b/rootdir/Android.bp
index 121652c..3204a9f 100644
--- a/rootdir/Android.bp
+++ b/rootdir/Android.bp
@@ -37,7 +37,6 @@
     src: "init.rc",
     sub_dir: "init/hw",
     required: [
-        "fsverity_init",
         "platform-bootclasspath",
         "init.boringssl.zygote64.rc",
         "init.boringssl.zygote64_32.rc",
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 957860f..883ed9c 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -620,9 +620,6 @@
     # HALs required before storage encryption can get unlocked (FBE)
     class_start early_hal
 
-    # Load trusted keys from dm-verity protected partitions
-    exec -- /system/bin/fsverity_init --load-verified-keys
-
 # Only enable the bootreceiver tracing instance for kernels 5.10 and above.
 on late-fs && property:ro.kernel.version=4.19
     setprop bootreceiver.enable 0