Merge "libutils: group deprecated RefBase functions"
diff --git a/fastboot/Android.bp b/fastboot/Android.bp
index 43b2ddd..ce702a0 100644
--- a/fastboot/Android.bp
+++ b/fastboot/Android.bp
@@ -183,6 +183,7 @@
],
static_libs: [
+ "libc++fs",
"libgtest_prod",
"libhealthhalutils",
"libsnapshot_cow",
diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index dfed77e..e5319a5 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -411,6 +411,13 @@
" gsi wipe|disable Wipe or disable a GSI installation (fastbootd only).\n"
" wipe-super [SUPER_EMPTY] Wipe the super partition. This will reset it to\n"
" contain an empty set of default dynamic partitions.\n"
+ " create-logical-partition NAME SIZE\n"
+ " Create a logical partition with the given name and\n"
+ " size, in the super partition.\n"
+ " delete-logical-partition NAME\n"
+ " Delete a logical partition with the given name.\n"
+ " resize-logical-partition NAME SIZE\n"
+ " Change the size of the named logical partition.\n"
" snapshot-update cancel On devices that support snapshot-based updates, cancel\n"
" an in-progress update. This may make the device\n"
" unbootable until it is reflashed.\n"
diff --git a/fs_mgr/libsnapshot/Android.bp b/fs_mgr/libsnapshot/Android.bp
index ea92d25..3cb4123 100644
--- a/fs_mgr/libsnapshot/Android.bp
+++ b/fs_mgr/libsnapshot/Android.bp
@@ -264,6 +264,7 @@
"android.hardware.boot@1.0",
"android.hardware.boot@1.1",
"libbrotli",
+ "libc++fs",
"libfs_mgr",
"libgsi",
"libgmock",
@@ -297,6 +298,7 @@
],
static_libs: [
"libbrotli",
+ "libc++fs",
"libfstab",
"libsnapshot",
"libsnapshot_cow",
@@ -326,6 +328,7 @@
"power_test.cpp",
],
static_libs: [
+ "libc++fs",
"libsnapshot",
"update_metadata-protos",
],
@@ -355,6 +358,7 @@
static_libs: [
"libbase",
"libbrotli",
+ "libc++fs",
"libchrome",
"libcrypto_static",
"libcutils",
@@ -416,7 +420,7 @@
"snapuserd_server.cpp",
"snapuserd.cpp",
"snapuserd_daemon.cpp",
- "snapuserd_worker.cpp",
+ "snapuserd_worker.cpp",
],
cflags: [
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h b/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
index 7e74fac..126e1a0 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
@@ -493,6 +493,9 @@
// Unmap a COW image device previously mapped with MapCowImage().
bool UnmapCowImage(const std::string& name);
+ // Unmap a COW and remove it from a MetadataBuilder.
+ void UnmapAndDeleteCowPartition(MetadataBuilder* current_metadata);
+
// Unmap and remove all known snapshots.
bool RemoveAllSnapshots(LockedFile* lock);
@@ -738,6 +741,10 @@
// Helper of UpdateUsesCompression
bool UpdateUsesCompression(LockedFile* lock);
+ // Wrapper around libdm, with diagnostics.
+ bool DeleteDeviceIfExists(const std::string& name,
+ const std::chrono::milliseconds& timeout_ms = {});
+
std::string gsid_dir_;
std::string metadata_dir_;
std::unique_ptr<IDeviceInfo> device_;
diff --git a/fs_mgr/libsnapshot/snapshot.cpp b/fs_mgr/libsnapshot/snapshot.cpp
index a0a1e4f..c504355 100644
--- a/fs_mgr/libsnapshot/snapshot.cpp
+++ b/fs_mgr/libsnapshot/snapshot.cpp
@@ -21,6 +21,7 @@
#include <sys/types.h>
#include <sys/unistd.h>
+#include <filesystem>
#include <optional>
#include <thread>
#include <unordered_set>
@@ -587,8 +588,7 @@
bool SnapshotManager::UnmapSnapshot(LockedFile* lock, const std::string& name) {
CHECK(lock);
- auto& dm = DeviceMapper::Instance();
- if (!dm.DeleteDeviceIfExists(name)) {
+ if (!DeleteDeviceIfExists(name)) {
LOG(ERROR) << "Could not delete snapshot device: " << name;
return false;
}
@@ -1252,25 +1252,6 @@
return true;
}
-static bool DeleteDmDevice(const std::string& name, const std::chrono::milliseconds& timeout_ms) {
- auto start = std::chrono::steady_clock::now();
- auto& dm = DeviceMapper::Instance();
- while (true) {
- if (dm.DeleteDeviceIfExists(name)) {
- break;
- }
- auto now = std::chrono::steady_clock::now();
- auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(now - start);
- if (elapsed >= timeout_ms) {
- LOG(ERROR) << "DeleteDevice timeout: " << name;
- return false;
- }
- std::this_thread::sleep_for(400ms);
- }
-
- return true;
-}
-
bool SnapshotManager::CollapseSnapshotDevice(const std::string& name,
const SnapshotStatus& status) {
auto& dm = DeviceMapper::Instance();
@@ -1326,11 +1307,11 @@
UnmapDmUserDevice(name);
}
auto base_name = GetBaseDeviceName(name);
- if (!dm.DeleteDeviceIfExists(base_name)) {
+ if (!DeleteDeviceIfExists(base_name)) {
LOG(ERROR) << "Unable to delete base device for snapshot: " << base_name;
}
- if (!DeleteDmDevice(GetSourceDeviceName(name), 4000ms)) {
+ if (!DeleteDeviceIfExists(GetSourceDeviceName(name), 4000ms)) {
LOG(ERROR) << "Unable to delete source device for snapshot: " << GetSourceDeviceName(name);
}
@@ -2083,15 +2064,14 @@
return false;
}
- auto& dm = DeviceMapper::Instance();
auto base_name = GetBaseDeviceName(target_partition_name);
- if (!dm.DeleteDeviceIfExists(base_name)) {
+ if (!DeleteDeviceIfExists(base_name)) {
LOG(ERROR) << "Cannot delete base device: " << base_name;
return false;
}
auto source_name = GetSourceDeviceName(target_partition_name);
- if (!dm.DeleteDeviceIfExists(source_name)) {
+ if (!DeleteDeviceIfExists(source_name)) {
LOG(ERROR) << "Cannot delete source device: " << source_name;
return false;
}
@@ -2181,7 +2161,7 @@
return false;
}
- if (!DeleteDmDevice(GetCowName(name), 4000ms)) {
+ if (!DeleteDeviceIfExists(GetCowName(name), 4000ms)) {
LOG(ERROR) << "Cannot unmap: " << GetCowName(name);
return false;
}
@@ -2202,7 +2182,7 @@
return true;
}
- if (!dm.DeleteDeviceIfExists(dm_user_name)) {
+ if (!DeleteDeviceIfExists(dm_user_name)) {
LOG(ERROR) << "Cannot unmap " << dm_user_name;
return false;
}
@@ -2593,11 +2573,10 @@
return true;
}
-static void UnmapAndDeleteCowPartition(MetadataBuilder* current_metadata) {
- auto& dm = DeviceMapper::Instance();
+void SnapshotManager::UnmapAndDeleteCowPartition(MetadataBuilder* current_metadata) {
std::vector<std::string> to_delete;
for (auto* existing_cow_partition : current_metadata->ListPartitionsInGroup(kCowGroupName)) {
- if (!dm.DeleteDeviceIfExists(existing_cow_partition->name())) {
+ if (!DeleteDeviceIfExists(existing_cow_partition->name())) {
LOG(WARNING) << existing_cow_partition->name()
<< " cannot be unmapped and its space cannot be reclaimed";
continue;
@@ -3626,5 +3605,71 @@
stats->set_estimated_cow_size_bytes(estimated_cow_size);
}
+bool SnapshotManager::DeleteDeviceIfExists(const std::string& name,
+ const std::chrono::milliseconds& timeout_ms) {
+ auto& dm = DeviceMapper::Instance();
+ auto start = std::chrono::steady_clock::now();
+ while (true) {
+ if (dm.DeleteDeviceIfExists(name)) {
+ return true;
+ }
+ auto now = std::chrono::steady_clock::now();
+ auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(now - start);
+ if (elapsed >= timeout_ms) {
+ break;
+ }
+ std::this_thread::sleep_for(400ms);
+ }
+
+ // Try to diagnose why this failed. First get the actual device path.
+ std::string full_path;
+ if (!dm.GetDmDevicePathByName(name, &full_path)) {
+ LOG(ERROR) << "Unable to diagnose DM_DEV_REMOVE failure.";
+ return false;
+ }
+
+ // Check for child dm-devices.
+ std::string block_name = android::base::Basename(full_path);
+ std::string sysfs_holders = "/sys/class/block/" + block_name + "/holders";
+
+ std::error_code ec;
+ std::filesystem::directory_iterator dir_iter(sysfs_holders, ec);
+ if (auto begin = std::filesystem::begin(dir_iter); begin != std::filesystem::end(dir_iter)) {
+ LOG(ERROR) << "Child device-mapper device still mapped: " << begin->path();
+ return false;
+ }
+
+ // Check for mounted partitions.
+ android::fs_mgr::Fstab fstab;
+ android::fs_mgr::ReadFstabFromFile("/proc/mounts", &fstab);
+ for (const auto& entry : fstab) {
+ if (android::base::Basename(entry.blk_device) == block_name) {
+ LOG(ERROR) << "Partition still mounted: " << entry.mount_point;
+ return false;
+ }
+ }
+
+ // Check for detached mounted partitions.
+ for (const auto& fs : std::filesystem::directory_iterator("/sys/fs", ec)) {
+ std::string fs_type = android::base::Basename(fs.path().c_str());
+ if (!(fs_type == "ext4" || fs_type == "f2fs")) {
+ continue;
+ }
+
+ std::string path = fs.path().c_str() + "/"s + block_name;
+ if (access(path.c_str(), F_OK) == 0) {
+ LOG(ERROR) << "Block device was lazily unmounted and is still in-use: " << full_path
+ << "; possibly open file descriptor or attached loop device.";
+ return false;
+ }
+ }
+
+ LOG(ERROR) << "Device-mapper device " << name << "(" << full_path << ")"
+ << " still in use."
+ << " Probably a file descriptor was leaked or held open, or a loop device is"
+ << " attached.";
+ return false;
+}
+
} // namespace snapshot
} // namespace android
diff --git a/init/init.cpp b/init/init.cpp
index 7264b22..a7325ca 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -849,21 +849,6 @@
auto is_installed = android::gsi::IsGsiInstalled() ? "1" : "0";
SetProperty(gsi::kGsiInstalledProp, is_installed);
- /*
- * For debug builds of S launching devices, init mounts debugfs for
- * enabling vendor debug data collection setup at boot time. Init will unmount it on
- * boot-complete after vendor code has performed the required initializations
- * during boot. Dumpstate will then mount debugfs in order to read data
- * from the same using the dumpstate HAL during bugreport creation.
- * Dumpstate will also unmount debugfs after bugreport creation.
- * first_api_level comparison is done here instead
- * of init.rc since init.rc parser does not support >/< operators.
- */
- auto api_level = android::base::GetIntProperty("ro.product.first_api_level", 0);
- bool is_debuggable = android::base::GetBoolProperty("ro.debuggable", false);
- auto mount_debugfs = (is_debuggable && (api_level >= 31)) ? "1" : "0";
- SetProperty("init.mount_debugfs", mount_debugfs);
-
am.QueueBuiltinAction(SetupCgroupsAction, "SetupCgroups");
am.QueueBuiltinAction(SetKptrRestrictAction, "SetKptrRestrict");
am.QueueBuiltinAction(TestPerfEventSelinuxAction, "TestPerfEventSelinux");
diff --git a/init/selinux.cpp b/init/selinux.cpp
index 2d3e06e..35a96f9 100644
--- a/init/selinux.cpp
+++ b/init/selinux.cpp
@@ -372,6 +372,12 @@
system_ext_mapping_file.clear();
}
+ std::string system_ext_compat_cil_file("/system_ext/etc/selinux/mapping/" + vend_plat_vers +
+ ".compat.cil");
+ if (access(system_ext_compat_cil_file.c_str(), F_OK) == -1) {
+ system_ext_compat_cil_file.clear();
+ }
+
std::string product_policy_cil_file("/product/etc/selinux/product_sepolicy.cil");
if (access(product_policy_cil_file.c_str(), F_OK) == -1) {
product_policy_cil_file.clear();
@@ -426,6 +432,9 @@
if (!system_ext_mapping_file.empty()) {
compile_args.push_back(system_ext_mapping_file.c_str());
}
+ if (!system_ext_compat_cil_file.empty()) {
+ compile_args.push_back(system_ext_compat_cil_file.c_str());
+ }
if (!product_policy_cil_file.empty()) {
compile_args.push_back(product_policy_cil_file.c_str());
}
diff --git a/libprocessgroup/profiles/task_profiles.json b/libprocessgroup/profiles/task_profiles.json
index 5b57bdd..bd94621 100644
--- a/libprocessgroup/profiles/task_profiles.json
+++ b/libprocessgroup/profiles/task_profiles.json
@@ -70,11 +70,11 @@
"Name": "Frozen",
"Actions": [
{
- "Name": "JoinCgroup",
+ "Name": "SetAttribute",
"Params":
{
- "Controller": "freezer",
- "Path": ""
+ "Name": "FreezerState",
+ "Value": "1"
}
}
]
@@ -83,11 +83,11 @@
"Name": "Unfrozen",
"Actions": [
{
- "Name": "JoinCgroup",
+ "Name": "SetAttribute",
"Params":
{
- "Controller": "freezer",
- "Path": "../"
+ "Name": "FreezerState",
+ "Value": "0"
}
}
]
@@ -558,32 +558,6 @@
}
]
},
- {
- "Name": "FreezerDisabled",
- "Actions": [
- {
- "Name": "SetAttribute",
- "Params":
- {
- "Name": "FreezerState",
- "Value": "0"
- }
- }
- ]
- },
- {
- "Name": "FreezerEnabled",
- "Actions": [
- {
- "Name": "SetAttribute",
- "Params":
- {
- "Name": "FreezerState",
- "Value": "1"
- }
- }
- ]
- }
],
"AggregateProfiles": [
diff --git a/libprocessgroup/task_profiles.cpp b/libprocessgroup/task_profiles.cpp
index f13a681..db00a49 100644
--- a/libprocessgroup/task_profiles.cpp
+++ b/libprocessgroup/task_profiles.cpp
@@ -518,10 +518,10 @@
std::string attr_filepath = params_val["FilePath"].asString();
std::string attr_value = params_val["Value"].asString();
if (!attr_filepath.empty() && !attr_value.empty()) {
- const Json::Value& logfailures = params_val["LogFailures"];
- bool attr_logfailures = logfailures.isNull() || logfailures.asBool();
+ std::string attr_logfailures = params_val["LogFailures"].asString();
+ bool logfailures = attr_logfailures.empty() || attr_logfailures == "true";
profile->Add(std::make_unique<WriteFileAction>(attr_filepath, attr_value,
- attr_logfailures));
+ logfailures));
} else if (attr_filepath.empty()) {
LOG(WARNING) << "WriteFile: invalid parameter: "
<< "empty filepath";
diff --git a/libutils/String8.cpp b/libutils/String8.cpp
index 3dc2026..fad130b 100644
--- a/libutils/String8.cpp
+++ b/libutils/String8.cpp
@@ -415,50 +415,28 @@
void String8::toLower()
{
- toLower(0, size());
-}
+ const size_t length = size();
+ if (length == 0) return;
-void String8::toLower(size_t start, size_t length)
-{
- const size_t len = size();
- if (start >= len) {
- return;
- }
- if (start+length > len) {
- length = len-start;
- }
- char* buf = lockBuffer(len);
- buf += start;
- while (length > 0) {
+ char* buf = lockBuffer(length);
+ for (size_t i = length; i > 0; --i) {
*buf = static_cast<char>(tolower(*buf));
buf++;
- length--;
}
- unlockBuffer(len);
+ unlockBuffer(length);
}
void String8::toUpper()
{
- toUpper(0, size());
-}
+ const size_t length = size();
+ if (length == 0) return;
-void String8::toUpper(size_t start, size_t length)
-{
- const size_t len = size();
- if (start >= len) {
- return;
- }
- if (start+length > len) {
- length = len-start;
- }
- char* buf = lockBuffer(len);
- buf += start;
- while (length > 0) {
+ char* buf = lockBuffer(length);
+ for (size_t i = length; i > 0; --i) {
*buf = static_cast<char>(toupper(*buf));
buf++;
- length--;
}
- unlockBuffer(len);
+ unlockBuffer(length);
}
// ---------------------------------------------------------------------------
diff --git a/libutils/include/utils/String8.h b/libutils/include/utils/String8.h
index 0bcb716..84f14d0 100644
--- a/libutils/include/utils/String8.h
+++ b/libutils/include/utils/String8.h
@@ -130,9 +130,7 @@
bool removeAll(const char* other);
void toLower();
- void toLower(size_t start, size_t numChars);
void toUpper();
- void toUpper(size_t start, size_t numChars);
/*
diff --git a/rootdir/etc/linker.config.json b/rootdir/etc/linker.config.json
index 83cb6ff..d9f5526 100644
--- a/rootdir/etc/linker.config.json
+++ b/rootdir/etc/linker.config.json
@@ -1,8 +1,7 @@
{
"requireLibs": [
- // Keep in sync with the "platform" namespace in art/build/apex/ld.config.txt.
- "libdexfile_external.so",
- "libdexfiled_external.so",
+ "libdexfile.so",
+ "libdexfiled.so",
"libnativebridge.so",
"libnativehelper.so",
"libnativeloader.so",
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 9a30ead..5a9cc99 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -985,7 +985,7 @@
write /proc/sys/vm/dirty_expire_centisecs 200
write /proc/sys/vm/dirty_background_ratio 5
-on property:sys.boot_completed=1 && property:init.mount_debugfs=1
+on property:sys.boot_completed=1 && property:ro.product.enforce_debugfs_restrictions=true
umount /sys/kernel/debug
on boot
@@ -1263,7 +1263,7 @@
on property:sys.boot_completed=1 && property:sys.init.userspace_reboot.in_progress=1
setprop sys.init.userspace_reboot.in_progress ""
-on early-init && property:init.mount_debugfs=1
+on early-init && property:ro.product.enforce_debugfs_restrictions=true
mount debugfs debugfs /sys/kernel/debug
chmod 0755 /sys/kernel/debug
diff --git a/rootdir/ueventd.rc b/rootdir/ueventd.rc
index 65e29c1..56e774b 100644
--- a/rootdir/ueventd.rc
+++ b/rootdir/ueventd.rc
@@ -67,6 +67,10 @@
# CDMA radio interface MUX
/dev/ppp 0660 radio vpn
+# Virtualisation is managed by Virt Manager
+/dev/kvm 0600 virtmanager root
+/dev/vhost-vsock 0600 virtmanager root
+
# sysfs properties
/sys/devices/platform/trusty.* trusty_version 0440 root log
/sys/devices/virtual/input/input* enable 0660 root input