Merge "Change the encryption rule of /data/bootanim to DeleteIfNecessary"
diff --git a/debuggerd/crash_dump.cpp b/debuggerd/crash_dump.cpp
index 967b942..e3ea455 100644
--- a/debuggerd/crash_dump.cpp
+++ b/debuggerd/crash_dump.cpp
@@ -51,12 +51,9 @@
#define ATRACE_TAG ATRACE_TAG_BIONIC
#include <utils/Trace.h>
-#include <unwindstack/DexFiles.h>
-#include <unwindstack/JitDebug.h>
-#include <unwindstack/Maps.h>
-#include <unwindstack/Memory.h>
+#include <unwindstack/AndroidUnwinder.h>
+#include <unwindstack/Error.h>
#include <unwindstack/Regs.h>
-#include <unwindstack/Unwinder.h>
#include "libdebuggerd/backtrace.h"
#include "libdebuggerd/tombstone.h"
@@ -623,9 +620,12 @@
}
// TODO: Use seccomp to lock ourselves down.
- unwindstack::UnwinderFromPid unwinder(256, vm_pid, unwindstack::Regs::CurrentArch());
- if (!unwinder.Init()) {
- LOG(FATAL) << "Failed to init unwinder object.";
+
+ unwindstack::AndroidRemoteUnwinder unwinder(vm_pid, unwindstack::Regs::CurrentArch());
+ unwindstack::ErrorData error_data;
+ if (!unwinder.Initialize(error_data)) {
+ LOG(FATAL) << "Failed to initialize unwinder object: "
+ << unwindstack::GetErrorCodeString(error_data.code);
}
std::string amfd_data;
diff --git a/debuggerd/handler/debuggerd_fallback.cpp b/debuggerd/handler/debuggerd_fallback.cpp
index c8b25ae..70e3022 100644
--- a/debuggerd/handler/debuggerd_fallback.cpp
+++ b/debuggerd/handler/debuggerd_fallback.cpp
@@ -31,12 +31,9 @@
#include <android-base/unique_fd.h>
#include <async_safe/log.h>
#include <bionic/reserved_signals.h>
-#include <unwindstack/DexFiles.h>
-#include <unwindstack/JitDebug.h>
-#include <unwindstack/Maps.h>
+#include <unwindstack/AndroidUnwinder.h>
#include <unwindstack/Memory.h>
#include <unwindstack/Regs.h>
-#include <unwindstack/Unwinder.h>
#include "debuggerd/handler.h"
#include "handler/fallback.h"
@@ -75,11 +72,11 @@
// Do not use the thread cache here because it will call pthread_key_create
// which doesn't work in linker code. See b/189803009.
- // Use a normal cached object because the process is stopped, and there
+ // Use a normal cached object because the thread is stopped, and there
// is no chance of data changing between reads.
auto process_memory = unwindstack::Memory::CreateProcessMemoryCached(getpid());
// TODO: Create this once and store it in a global?
- unwindstack::UnwinderFromPid unwinder(kMaxFrames, getpid(), process_memory);
+ unwindstack::AndroidLocalUnwinder unwinder(process_memory);
dump_backtrace_thread(output_fd, &unwinder, thread);
}
__linker_disable_fallback_allocator();
diff --git a/debuggerd/libdebuggerd/backtrace.cpp b/debuggerd/libdebuggerd/backtrace.cpp
index fd91038..3ff9710 100644
--- a/debuggerd/libdebuggerd/backtrace.cpp
+++ b/debuggerd/libdebuggerd/backtrace.cpp
@@ -37,6 +37,7 @@
#include <android-base/strings.h>
#include <android-base/unique_fd.h>
#include <log/log.h>
+#include <unwindstack/AndroidUnwinder.h>
#include <unwindstack/Unwinder.h>
#include "libdebuggerd/types.h"
@@ -57,7 +58,7 @@
_LOG(log, logtype::BACKTRACE, "\n----- end %d -----\n", pid);
}
-void dump_backtrace_thread(int output_fd, unwindstack::Unwinder* unwinder,
+void dump_backtrace_thread(int output_fd, unwindstack::AndroidUnwinder* unwinder,
const ThreadInfo& thread) {
log_t log;
log.tfd = output_fd;
@@ -65,21 +66,17 @@
_LOG(&log, logtype::BACKTRACE, "\n\"%s\" sysTid=%d\n", thread.thread_name.c_str(), thread.tid);
- unwinder->SetRegs(thread.registers.get());
- unwinder->Unwind();
- if (unwinder->NumFrames() == 0) {
- _LOG(&log, logtype::THREAD, "Unwind failed: tid = %d\n", thread.tid);
- if (unwinder->LastErrorCode() != unwindstack::ERROR_NONE) {
- _LOG(&log, logtype::THREAD, " Error code: %s\n", unwinder->LastErrorCodeString());
- _LOG(&log, logtype::THREAD, " Error address: 0x%" PRIx64 "\n", unwinder->LastErrorAddress());
- }
+ unwindstack::AndroidUnwinderData data;
+ if (!unwinder->Unwind(thread.registers.get(), data)) {
+ _LOG(&log, logtype::THREAD, "Unwind failed: tid = %d: Error %s\n", thread.tid,
+ data.GetErrorString().c_str());
return;
}
- log_backtrace(&log, unwinder, " ");
+ log_backtrace(&log, unwinder, data, " ");
}
-void dump_backtrace(android::base::unique_fd output_fd, unwindstack::Unwinder* unwinder,
+void dump_backtrace(android::base::unique_fd output_fd, unwindstack::AndroidUnwinder* unwinder,
const std::map<pid_t, ThreadInfo>& thread_info, pid_t target_thread) {
log_t log;
log.tfd = output_fd.get();
diff --git a/debuggerd/libdebuggerd/gwp_asan.cpp b/debuggerd/libdebuggerd/gwp_asan.cpp
index 3d96627..d8f74e0 100644
--- a/debuggerd/libdebuggerd/gwp_asan.cpp
+++ b/debuggerd/libdebuggerd/gwp_asan.cpp
@@ -21,9 +21,8 @@
#include "gwp_asan/common.h"
#include "gwp_asan/crash_handler.h"
-#include <unwindstack/Maps.h>
+#include <unwindstack/AndroidUnwinder.h>
#include <unwindstack/Memory.h>
-#include <unwindstack/Regs.h>
#include <unwindstack/Unwinder.h>
#include "tombstone.pb.h"
@@ -106,7 +105,8 @@
constexpr size_t kMaxTraceLength = gwp_asan::AllocationMetadata::kMaxTraceLengthToCollect;
-void GwpAsanCrashData::AddCauseProtos(Tombstone* tombstone, unwindstack::Unwinder* unwinder) const {
+void GwpAsanCrashData::AddCauseProtos(Tombstone* tombstone,
+ unwindstack::AndroidUnwinder* unwinder) const {
if (!CrashIsMine()) {
ALOGE("Internal Error: AddCauseProtos() on a non-GWP-ASan crash.");
return;
@@ -140,7 +140,6 @@
heap_object->set_address(__gwp_asan_get_allocation_address(responsible_allocation_));
heap_object->set_size(__gwp_asan_get_allocation_size(responsible_allocation_));
- unwinder->SetDisplayBuildID(true);
std::unique_ptr<uintptr_t[]> frames(new uintptr_t[kMaxTraceLength]);
diff --git a/debuggerd/libdebuggerd/include/libdebuggerd/backtrace.h b/debuggerd/libdebuggerd/include/libdebuggerd/backtrace.h
index c20d090..531afea 100644
--- a/debuggerd/libdebuggerd/include/libdebuggerd/backtrace.h
+++ b/debuggerd/libdebuggerd/include/libdebuggerd/backtrace.h
@@ -30,16 +30,16 @@
// Forward delcaration
namespace unwindstack {
-class Unwinder;
+class AndroidUnwinder;
}
// Dumps a backtrace using a format similar to what Dalvik uses so that the result
// can be intermixed in a bug report.
-void dump_backtrace(android::base::unique_fd output_fd, unwindstack::Unwinder* unwinder,
+void dump_backtrace(android::base::unique_fd output_fd, unwindstack::AndroidUnwinder* unwinder,
const std::map<pid_t, ThreadInfo>& thread_info, pid_t target_thread);
void dump_backtrace_header(int output_fd);
-void dump_backtrace_thread(int output_fd, unwindstack::Unwinder* unwinder,
+void dump_backtrace_thread(int output_fd, unwindstack::AndroidUnwinder* unwinder,
const ThreadInfo& thread);
void dump_backtrace_footer(int output_fd);
diff --git a/debuggerd/libdebuggerd/include/libdebuggerd/gwp_asan.h b/debuggerd/libdebuggerd/include/libdebuggerd/gwp_asan.h
index a979370..0429643 100644
--- a/debuggerd/libdebuggerd/include/libdebuggerd/gwp_asan.h
+++ b/debuggerd/libdebuggerd/include/libdebuggerd/gwp_asan.h
@@ -26,9 +26,15 @@
#include "types.h"
#include "utility.h"
+// Forward delcarations
class Cause;
class Tombstone;
+namespace unwindstack {
+class AndroidUnwinder;
+class Memory;
+} // namespace unwindstack
+
class GwpAsanCrashData {
public:
GwpAsanCrashData() = delete;
@@ -52,7 +58,7 @@
// allocator crash state.
uintptr_t GetFaultAddress() const;
- void AddCauseProtos(Tombstone* tombstone, unwindstack::Unwinder* unwinder) const;
+ void AddCauseProtos(Tombstone* tombstone, unwindstack::AndroidUnwinder* unwinder) const;
protected:
// Is GWP-ASan responsible for this crash.
diff --git a/debuggerd/libdebuggerd/include/libdebuggerd/scudo.h b/debuggerd/libdebuggerd/include/libdebuggerd/scudo.h
index 172ffe9..a506859 100644
--- a/debuggerd/libdebuggerd/include/libdebuggerd/scudo.h
+++ b/debuggerd/libdebuggerd/include/libdebuggerd/scudo.h
@@ -23,9 +23,15 @@
#include "scudo/interface.h"
+// Forward delcarations
class Cause;
class Tombstone;
+namespace unwindstack {
+class AndroidUnwinder;
+class Memory;
+} // namespace unwindstack
+
class ScudoCrashData {
public:
ScudoCrashData() = delete;
@@ -34,12 +40,12 @@
bool CrashIsMine() const;
- void AddCauseProtos(Tombstone* tombstone, unwindstack::Unwinder* unwinder) const;
+ void AddCauseProtos(Tombstone* tombstone, unwindstack::AndroidUnwinder* unwinder) const;
private:
scudo_error_info error_info_ = {};
uintptr_t untagged_fault_addr_;
void FillInCause(Cause* cause, const scudo_error_report* report,
- unwindstack::Unwinder* unwinder) const;
+ unwindstack::AndroidUnwinder* unwinder) const;
};
diff --git a/debuggerd/libdebuggerd/include/libdebuggerd/tombstone.h b/debuggerd/libdebuggerd/include/libdebuggerd/tombstone.h
index 7bf1688..be999e0 100644
--- a/debuggerd/libdebuggerd/include/libdebuggerd/tombstone.h
+++ b/debuggerd/libdebuggerd/include/libdebuggerd/tombstone.h
@@ -37,7 +37,7 @@
namespace unwindstack {
struct FrameData;
-class Unwinder;
+class AndroidUnwinder;
}
// The maximum number of frames to save when unwinding.
@@ -51,7 +51,7 @@
/* Creates a tombstone file and writes the crash dump to it. */
void engrave_tombstone(android::base::unique_fd output_fd, android::base::unique_fd proto_fd,
- unwindstack::Unwinder* unwinder,
+ unwindstack::AndroidUnwinder* unwinder,
const std::map<pid_t, ThreadInfo>& thread_info, pid_t target_thread,
const ProcessInfo& process_info, OpenFilesList* open_files,
std::string* amfd_data);
@@ -59,7 +59,7 @@
void engrave_tombstone_ucontext(int tombstone_fd, int proto_fd, uint64_t abort_msg_address,
siginfo_t* siginfo, ucontext_t* ucontext);
-void engrave_tombstone_proto(Tombstone* tombstone, unwindstack::Unwinder* unwinder,
+void engrave_tombstone_proto(Tombstone* tombstone, unwindstack::AndroidUnwinder* unwinder,
const std::map<pid_t, ThreadInfo>& threads, pid_t target_thread,
const ProcessInfo& process_info, const OpenFilesList* open_files);
diff --git a/debuggerd/libdebuggerd/include/libdebuggerd/utility.h b/debuggerd/libdebuggerd/include/libdebuggerd/utility.h
index 63e142f..25b03af 100644
--- a/debuggerd/libdebuggerd/include/libdebuggerd/utility.h
+++ b/debuggerd/libdebuggerd/include/libdebuggerd/utility.h
@@ -73,11 +73,13 @@
void _VLOG(log_t* log, logtype ltype, const char* fmt, va_list ap);
namespace unwindstack {
-class Unwinder;
+class AndroidUnwinder;
class Memory;
+struct AndroidUnwinderData;
}
-void log_backtrace(log_t* log, unwindstack::Unwinder* unwinder, const char* prefix);
+void log_backtrace(log_t* log, unwindstack::AndroidUnwinder* unwinder,
+ unwindstack::AndroidUnwinderData& data, const char* prefix);
ssize_t dump_memory(void* out, size_t len, uint8_t* tags, size_t tags_len, uint64_t* addr,
unwindstack::Memory* memory);
diff --git a/debuggerd/libdebuggerd/scudo.cpp b/debuggerd/libdebuggerd/scudo.cpp
index a4836d7..27fae25 100644
--- a/debuggerd/libdebuggerd/scudo.cpp
+++ b/debuggerd/libdebuggerd/scudo.cpp
@@ -17,8 +17,8 @@
#include "libdebuggerd/scudo.h"
#include "libdebuggerd/tombstone.h"
+#include "unwindstack/AndroidUnwinder.h"
#include "unwindstack/Memory.h"
-#include "unwindstack/Unwinder.h"
#include <android-base/macros.h>
#include <bionic/macros.h>
@@ -80,7 +80,7 @@
}
void ScudoCrashData::FillInCause(Cause* cause, const scudo_error_report* report,
- unwindstack::Unwinder* unwinder) const {
+ unwindstack::AndroidUnwinder* unwinder) const {
MemoryError* memory_error = cause->mutable_memory_error();
HeapObject* heap_object = memory_error->mutable_heap();
@@ -102,7 +102,6 @@
heap_object->set_address(report->allocation_address);
heap_object->set_size(report->allocation_size);
- unwinder->SetDisplayBuildID(true);
heap_object->set_allocation_tid(report->allocation_tid);
for (size_t i = 0; i < arraysize(report->allocation_trace) && report->allocation_trace[i]; ++i) {
@@ -123,7 +122,8 @@
set_human_readable_cause(cause, untagged_fault_addr_);
}
-void ScudoCrashData::AddCauseProtos(Tombstone* tombstone, unwindstack::Unwinder* unwinder) const {
+void ScudoCrashData::AddCauseProtos(Tombstone* tombstone,
+ unwindstack::AndroidUnwinder* unwinder) const {
size_t report_num = 0;
while (report_num < sizeof(error_info_.reports) / sizeof(error_info_.reports[0]) &&
error_info_.reports[report_num].error_type != UNKNOWN) {
diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index eda7182..5ca2c00 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -36,9 +36,9 @@
#include <async_safe/log.h>
#include <log/log.h>
#include <private/android_filesystem_config.h>
-#include <unwindstack/Memory.h>
+#include <unwindstack/AndroidUnwinder.h>
+#include <unwindstack/Error.h>
#include <unwindstack/Regs.h>
-#include <unwindstack/Unwinder.h>
#include "libdebuggerd/backtrace.h"
#include "libdebuggerd/open_files_list.h"
@@ -101,12 +101,16 @@
}
}
- auto process_memory =
- unwindstack::Memory::CreateProcessMemoryCached(getpid());
- unwindstack::UnwinderFromPid unwinder(kMaxFrames, pid, unwindstack::Regs::CurrentArch(), nullptr,
- process_memory);
- if (!unwinder.Init()) {
- async_safe_format_log(ANDROID_LOG_ERROR, LOG_TAG, "failed to init unwinder object");
+ // Do not use the thread cache here because it will call pthread_key_create
+ // which doesn't work in linker code. See b/189803009.
+ // Use a normal cached object because the thread is stopped, and there
+ // is no chance of data changing between reads.
+ auto process_memory = unwindstack::Memory::CreateProcessMemoryCached(getpid());
+ unwindstack::AndroidLocalUnwinder unwinder(process_memory);
+ unwindstack::ErrorData error;
+ if (!unwinder.Initialize(error)) {
+ async_safe_format_log(ANDROID_LOG_ERROR, LOG_TAG, "failed to init unwinder object: %s",
+ unwindstack::GetErrorCodeString(error.code));
return;
}
@@ -116,7 +120,8 @@
process_info, nullptr, nullptr);
}
-void engrave_tombstone(unique_fd output_fd, unique_fd proto_fd, unwindstack::Unwinder* unwinder,
+void engrave_tombstone(unique_fd output_fd, unique_fd proto_fd,
+ unwindstack::AndroidUnwinder* unwinder,
const std::map<pid_t, ThreadInfo>& threads, pid_t target_thread,
const ProcessInfo& process_info, OpenFilesList* open_files,
std::string* amfd_data) {
diff --git a/debuggerd/libdebuggerd/tombstone_proto.cpp b/debuggerd/libdebuggerd/tombstone_proto.cpp
index bee4a67..159ebc8 100644
--- a/debuggerd/libdebuggerd/tombstone_proto.cpp
+++ b/debuggerd/libdebuggerd/tombstone_proto.cpp
@@ -56,10 +56,11 @@
#include <private/android_filesystem_config.h>
#include <procinfo/process.h>
+#include <unwindstack/AndroidUnwinder.h>
+#include <unwindstack/Error.h>
+#include <unwindstack/MapInfo.h>
#include <unwindstack/Maps.h>
-#include <unwindstack/Memory.h>
#include <unwindstack/Regs.h>
-#include <unwindstack/Unwinder.h>
#include "libdebuggerd/open_files_list.h"
#include "libdebuggerd/utility.h"
@@ -189,7 +190,7 @@
error_type_str, diff, byte_suffix, location_str, heap_object.size(), heap_object.address()));
}
-static void dump_probable_cause(Tombstone* tombstone, unwindstack::Unwinder* unwinder,
+static void dump_probable_cause(Tombstone* tombstone, unwindstack::AndroidUnwinder* unwinder,
const ProcessInfo& process_info, const ThreadInfo& main_thread) {
#if defined(USE_SCUDO)
ScudoCrashData scudo_crash_data(unwinder->GetProcessMemory().get(), process_info);
@@ -245,9 +246,9 @@
}
}
-static void dump_abort_message(Tombstone* tombstone, unwindstack::Unwinder* unwinder,
+static void dump_abort_message(Tombstone* tombstone,
+ std::shared_ptr<unwindstack::Memory>& process_memory,
const ProcessInfo& process_info) {
- std::shared_ptr<unwindstack::Memory> process_memory = unwinder->GetProcessMemory();
uintptr_t address = process_info.abort_msg_address;
if (address == 0) {
return;
@@ -348,7 +349,7 @@
f->set_build_id(frame.map_info->GetPrintableBuildID());
}
-static void dump_registers(unwindstack::Unwinder* unwinder,
+static void dump_registers(unwindstack::AndroidUnwinder* unwinder,
const std::unique_ptr<unwindstack::Regs>& regs, Thread& thread,
bool memory_dump) {
if (regs == nullptr) {
@@ -402,27 +403,9 @@
});
}
-static void log_unwinder_error(unwindstack::Unwinder* unwinder) {
- if (unwinder->LastErrorCode() == unwindstack::ERROR_NONE) {
- return;
- }
-
- async_safe_format_log(ANDROID_LOG_ERROR, LOG_TAG, " error code: %s",
- unwinder->LastErrorCodeString());
- async_safe_format_log(ANDROID_LOG_ERROR, LOG_TAG, " error address: 0x%" PRIx64,
- unwinder->LastErrorAddress());
-}
-
-static void dump_thread_backtrace(unwindstack::Unwinder* unwinder, Thread& thread) {
- if (unwinder->NumFrames() == 0) {
- async_safe_format_log(ANDROID_LOG_ERROR, LOG_TAG, "failed to unwind");
- log_unwinder_error(unwinder);
- return;
- }
-
- unwinder->SetDisplayBuildID(true);
+static void dump_thread_backtrace(std::vector<unwindstack::FrameData>& frames, Thread& thread) {
std::set<std::string> unreadable_elf_files;
- for (const auto& frame : unwinder->frames()) {
+ for (const auto& frame : frames) {
BacktraceFrame* f = thread.add_current_backtrace();
fill_in_backtrace_frame(f, frame);
if (frame.map_info != nullptr && frame.map_info->ElfFileNotReadable()) {
@@ -446,7 +429,7 @@
}
}
-static void dump_thread(Tombstone* tombstone, unwindstack::Unwinder* unwinder,
+static void dump_thread(Tombstone* tombstone, unwindstack::AndroidUnwinder* unwinder,
const ThreadInfo& thread_info, bool memory_dump = false) {
Thread thread;
@@ -455,36 +438,29 @@
thread.set_tagged_addr_ctrl(thread_info.tagged_addr_ctrl);
thread.set_pac_enabled_keys(thread_info.pac_enabled_keys);
- if (thread_info.pid == getpid() && thread_info.pid != thread_info.tid) {
- // Fallback path for non-main thread, doing unwind from running process.
- unwindstack::ThreadUnwinder thread_unwinder(kMaxFrames, unwinder->GetMaps());
- if (!thread_unwinder.Init()) {
- async_safe_format_log(ANDROID_LOG_ERROR, LOG_TAG,
- "Unable to initialize ThreadUnwinder object.");
- log_unwinder_error(&thread_unwinder);
- return;
- }
-
- std::unique_ptr<unwindstack::Regs> initial_regs;
- thread_unwinder.UnwindWithSignal(BIONIC_SIGNAL_BACKTRACE, thread_info.tid, &initial_regs);
- dump_registers(&thread_unwinder, initial_regs, thread, memory_dump);
- dump_thread_backtrace(&thread_unwinder, thread);
+ unwindstack::AndroidUnwinderData data;
+ // Indicate we want a copy of the initial registers.
+ data.saved_initial_regs = std::make_optional<std::unique_ptr<unwindstack::Regs>>();
+ bool unwind_ret;
+ if (thread_info.registers != nullptr) {
+ unwind_ret = unwinder->Unwind(thread_info.registers.get(), data);
} else {
- dump_registers(unwinder, thread_info.registers, thread, memory_dump);
- std::unique_ptr<unwindstack::Regs> regs_copy(thread_info.registers->Clone());
- unwinder->SetRegs(regs_copy.get());
- unwinder->Unwind();
- dump_thread_backtrace(unwinder, thread);
+ unwind_ret = unwinder->Unwind(thread_info.tid, data);
}
+ if (!unwind_ret) {
+ async_safe_format_log(ANDROID_LOG_ERROR, LOG_TAG, "Unwind failed for tid %d: Error %s",
+ thread_info.tid, data.GetErrorString().c_str());
+ } else {
+ dump_thread_backtrace(data.frames, thread);
+ }
+ dump_registers(unwinder, *data.saved_initial_regs, thread, memory_dump);
auto& threads = *tombstone->mutable_threads();
threads[thread_info.tid] = thread;
}
-static void dump_mappings(Tombstone* tombstone, unwindstack::Unwinder* unwinder) {
- unwindstack::Maps* maps = unwinder->GetMaps();
- std::shared_ptr<unwindstack::Memory> process_memory = unwinder->GetProcessMemory();
-
+static void dump_mappings(Tombstone* tombstone, unwindstack::Maps* maps,
+ std::shared_ptr<unwindstack::Memory>& process_memory) {
for (const auto& map_info : *maps) {
auto* map = tombstone->add_memory_mappings();
map->set_begin_address(map_info->start());
@@ -593,7 +569,8 @@
}
static void dump_tags_around_fault_addr(Signal* signal, const Tombstone& tombstone,
- unwindstack::Unwinder* unwinder, uintptr_t fault_addr) {
+ std::shared_ptr<unwindstack::Memory>& process_memory,
+ uintptr_t fault_addr) {
if (tombstone.arch() != Architecture::ARM64) return;
fault_addr = untag_address(fault_addr);
@@ -604,8 +581,6 @@
// a valid address for us to dump tags from.
if (fault_addr < kBytesToRead / 2) return;
- unwindstack::Memory* memory = unwinder->GetProcessMemory().get();
-
constexpr uintptr_t kRowStartMask = ~(kNumTagColumns * kTagGranuleSize - 1);
size_t start_address = (fault_addr & kRowStartMask) - kBytesToRead / 2;
MemoryDump tag_dump;
@@ -614,7 +589,7 @@
// Attempt to read the first tag. If reading fails, this likely indicates the
// lowest touched page is inaccessible or not marked with PROT_MTE.
// Fast-forward over pages until one has tags, or we exhaust the search range.
- while (memory->ReadTag(start_address) < 0) {
+ while (process_memory->ReadTag(start_address) < 0) {
size_t page_size = sysconf(_SC_PAGE_SIZE);
size_t bytes_to_next_page = page_size - (start_address % page_size);
if (bytes_to_next_page >= granules_to_read * kTagGranuleSize) return;
@@ -626,7 +601,7 @@
std::string* mte_tags = tag_dump.mutable_arm_mte_metadata()->mutable_memory_tags();
for (size_t i = 0; i < granules_to_read; ++i) {
- long tag = memory->ReadTag(start_address + i * kTagGranuleSize);
+ long tag = process_memory->ReadTag(start_address + i * kTagGranuleSize);
if (tag < 0) break;
mte_tags->push_back(static_cast<uint8_t>(tag));
}
@@ -636,7 +611,7 @@
}
}
-void engrave_tombstone_proto(Tombstone* tombstone, unwindstack::Unwinder* unwinder,
+void engrave_tombstone_proto(Tombstone* tombstone, unwindstack::AndroidUnwinder* unwinder,
const std::map<pid_t, ThreadInfo>& threads, pid_t target_thread,
const ProcessInfo& process_info, const OpenFilesList* open_files) {
Tombstone result;
@@ -691,12 +666,12 @@
sig.set_has_fault_address(true);
uintptr_t fault_addr = process_info.maybe_tagged_fault_address;
sig.set_fault_address(fault_addr);
- dump_tags_around_fault_addr(&sig, result, unwinder, fault_addr);
+ dump_tags_around_fault_addr(&sig, result, unwinder->GetProcessMemory(), fault_addr);
}
*result.mutable_signal_info() = sig;
- dump_abort_message(&result, unwinder, process_info);
+ dump_abort_message(&result, unwinder->GetProcessMemory(), process_info);
// Dump the main thread, but save the memory around the registers.
dump_thread(&result, unwinder, main_thread, /* memory_dump */ true);
@@ -709,7 +684,7 @@
dump_probable_cause(&result, unwinder, process_info, main_thread);
- dump_mappings(&result, unwinder);
+ dump_mappings(&result, unwinder->GetMaps(), unwinder->GetProcessMemory());
// Only dump logs on debuggable devices.
if (android::base::GetBoolProperty("ro.debuggable", false)) {
diff --git a/debuggerd/libdebuggerd/utility.cpp b/debuggerd/libdebuggerd/utility.cpp
index ecd98a4..74a1423 100644
--- a/debuggerd/libdebuggerd/utility.cpp
+++ b/debuggerd/libdebuggerd/utility.cpp
@@ -39,6 +39,7 @@
#include <bionic/reserved_signals.h>
#include <debuggerd/handler.h>
#include <log/log.h>
+#include <unwindstack/AndroidUnwinder.h>
#include <unwindstack/Memory.h>
#include <unwindstack/Unwinder.h>
@@ -483,10 +484,10 @@
return describe_end(value, desc);
}
-void log_backtrace(log_t* log, unwindstack::Unwinder* unwinder, const char* prefix) {
+void log_backtrace(log_t* log, unwindstack::AndroidUnwinder* unwinder,
+ unwindstack::AndroidUnwinderData& data, const char* prefix) {
std::set<std::string> unreadable_elf_files;
- unwinder->SetDisplayBuildID(true);
- for (const auto& frame : unwinder->frames()) {
+ for (const auto& frame : data.frames) {
if (frame.map_info != nullptr && frame.map_info->ElfFileNotReadable()) {
unreadable_elf_files.emplace(frame.map_info->name());
}
@@ -509,7 +510,7 @@
}
}
- for (const auto& frame : unwinder->frames()) {
+ for (const auto& frame : data.frames) {
_LOG(log, logtype::BACKTRACE, "%s%s\n", prefix, unwinder->FormatFrame(frame).c_str());
}
}
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index 7639ce5..396bcb8 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -266,24 +266,30 @@
const char* f2fs_fsck_forced_argv[] = {
F2FS_FSCK_BIN, "-f", "-c", "10000", "--debug-cache", blk_device.c_str()};
- if (should_force_check(*fs_stat)) {
- LINFO << "Running " << F2FS_FSCK_BIN << " -f -c 10000 --debug-cache "
- << realpath(blk_device);
- ret = logwrap_fork_execvp(ARRAY_SIZE(f2fs_fsck_forced_argv), f2fs_fsck_forced_argv,
- &status, false, LOG_KLOG | LOG_FILE, false, FSCK_LOG_FILE);
+ if (access(F2FS_FSCK_BIN, X_OK)) {
+ LINFO << "Not running " << F2FS_FSCK_BIN << " on " << realpath(blk_device)
+ << " (executable not in system image)";
} else {
- LINFO << "Running " << F2FS_FSCK_BIN << " -a -c 10000 --debug-cache "
- << realpath(blk_device);
- ret = logwrap_fork_execvp(ARRAY_SIZE(f2fs_fsck_argv), f2fs_fsck_argv, &status, false,
- LOG_KLOG | LOG_FILE, false, FSCK_LOG_FILE);
- }
- if (ret < 0) {
- /* No need to check for error in fork, we can't really handle it now */
- LERROR << "Failed trying to run " << F2FS_FSCK_BIN;
- *fs_stat |= FS_STAT_FSCK_FAILED;
- } else if (status != 0) {
- LINFO << F2FS_FSCK_BIN << " returned status 0x" << std::hex << status;
- *fs_stat |= FS_STAT_FSCK_FS_FIXED;
+ if (should_force_check(*fs_stat)) {
+ LINFO << "Running " << F2FS_FSCK_BIN << " -f -c 10000 --debug-cache "
+ << realpath(blk_device);
+ ret = logwrap_fork_execvp(ARRAY_SIZE(f2fs_fsck_forced_argv), f2fs_fsck_forced_argv,
+ &status, false, LOG_KLOG | LOG_FILE, false,
+ FSCK_LOG_FILE);
+ } else {
+ LINFO << "Running " << F2FS_FSCK_BIN << " -a -c 10000 --debug-cache "
+ << realpath(blk_device);
+ ret = logwrap_fork_execvp(ARRAY_SIZE(f2fs_fsck_argv), f2fs_fsck_argv, &status,
+ false, LOG_KLOG | LOG_FILE, false, FSCK_LOG_FILE);
+ }
+ if (ret < 0) {
+ /* No need to check for error in fork, we can't really handle it now */
+ LERROR << "Failed trying to run " << F2FS_FSCK_BIN;
+ *fs_stat |= FS_STAT_FSCK_FAILED;
+ } else if (status != 0) {
+ LINFO << F2FS_FSCK_BIN << " returned status 0x" << std::hex << status;
+ *fs_stat |= FS_STAT_FSCK_FS_FIXED;
+ }
}
}
android::base::SetProperty("ro.boottime.init.fsck." + Basename(target),
diff --git a/init/action.h b/init/action.h
index 1534bf9..eddc384 100644
--- a/init/action.h
+++ b/init/action.h
@@ -22,6 +22,8 @@
#include <variant>
#include <vector>
+#include <android-base/strings.h>
+
#include "builtins.h"
#include "keyword_map.h"
#include "result.h"
@@ -79,6 +81,7 @@
static void set_function_map(const BuiltinFunctionMap* function_map) {
function_map_ = function_map;
}
+ bool IsFromApex() const { return base::StartsWith(filename_, "/apex/"); }
private:
void ExecuteCommand(const Command& command) const;
diff --git a/init/action_manager.h b/init/action_manager.h
index b6f93d9..2746a7c 100644
--- a/init/action_manager.h
+++ b/init/action_manager.h
@@ -37,6 +37,10 @@
size_t CheckAllCommands();
void AddAction(std::unique_ptr<Action> action);
+ template <class UnaryPredicate>
+ void RemoveActionIf(UnaryPredicate predicate) {
+ actions_.erase(std::remove_if(actions_.begin(), actions_.end(), predicate), actions_.end());
+ }
void QueueEventTrigger(const std::string& trigger);
void QueuePropertyChange(const std::string& name, const std::string& value);
void QueueAllPropertyActions();
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 01db4f5..9e1d93c 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -1288,7 +1288,8 @@
return Error() << "glob pattern '" << glob_pattern << "' failed";
}
std::vector<std::string> configs;
- Parser parser = CreateServiceOnlyParser(ServiceList::GetInstance(), true);
+ Parser parser =
+ CreateApexConfigParser(ActionManager::GetInstance(), ServiceList::GetInstance());
for (size_t i = 0; i < glob_result.gl_pathc; i++) {
std::string path = glob_result.gl_pathv[i];
// Filter-out /apex/<name>@<ver> paths. The paths are bind-mounted to
diff --git a/init/init.cpp b/init/init.cpp
index f8330bc..4955bc5 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -85,6 +85,10 @@
#include "system/core/init/property_service.pb.h"
#include "util.h"
+#ifndef RECOVERY
+#include "com_android_apex.h"
+#endif // RECOVERY
+
using namespace std::chrono_literals;
using namespace std::string_literals;
@@ -293,13 +297,59 @@
return parser;
}
-// parser that only accepts new services
-Parser CreateServiceOnlyParser(ServiceList& service_list, bool from_apex) {
- Parser parser;
+#ifndef RECOVERY
+template <typename T>
+struct LibXmlErrorHandler {
+ T handler_;
+ template <typename Handler>
+ LibXmlErrorHandler(Handler&& handler) : handler_(std::move(handler)) {
+ xmlSetGenericErrorFunc(nullptr, &ErrorHandler);
+ }
+ ~LibXmlErrorHandler() { xmlSetGenericErrorFunc(nullptr, nullptr); }
+ static void ErrorHandler(void*, const char* msg, ...) {
+ va_list args;
+ va_start(args, msg);
+ char* formatted;
+ if (vasprintf(&formatted, msg, args) >= 0) {
+ LOG(ERROR) << formatted;
+ }
+ free(formatted);
+ va_end(args);
+ }
+};
- parser.AddSectionParser(
- "service", std::make_unique<ServiceParser>(&service_list, GetSubcontext(), std::nullopt,
- from_apex));
+template <typename Handler>
+LibXmlErrorHandler(Handler&&) -> LibXmlErrorHandler<Handler>;
+#endif // RECOVERY
+
+// Returns a Parser that accepts scripts from APEX modules. It supports `service` and `on`.
+Parser CreateApexConfigParser(ActionManager& action_manager, ServiceList& service_list) {
+ Parser parser;
+ auto subcontext = GetSubcontext();
+#ifndef RECOVERY
+ if (subcontext) {
+ const auto apex_info_list_file = "/apex/apex-info-list.xml";
+ auto error_handler = LibXmlErrorHandler([&](const auto& error_message) {
+ LOG(ERROR) << "Failed to read " << apex_info_list_file << ":" << error_message;
+ });
+ const auto apex_info_list = com::android::apex::readApexInfoList(apex_info_list_file);
+ if (apex_info_list.has_value()) {
+ std::vector<std::string> subcontext_apexes;
+ for (const auto& info : apex_info_list->getApexInfo()) {
+ if (info.hasPreinstalledModulePath() &&
+ subcontext->PathMatchesSubcontext(info.getPreinstalledModulePath())) {
+ subcontext_apexes.push_back(info.getModuleName());
+ }
+ }
+ subcontext->SetApexList(std::move(subcontext_apexes));
+ }
+ }
+#endif // RECOVERY
+ parser.AddSectionParser("service",
+ std::make_unique<ServiceParser>(&service_list, subcontext, std::nullopt,
+ /*from_apex=*/true));
+ parser.AddSectionParser("on", std::make_unique<ActionParser>(&action_manager, subcontext));
+
return parser;
}
diff --git a/init/init.h b/init/init.h
index 4f686cb..5220535 100644
--- a/init/init.h
+++ b/init/init.h
@@ -29,7 +29,7 @@
namespace init {
Parser CreateParser(ActionManager& action_manager, ServiceList& service_list);
-Parser CreateServiceOnlyParser(ServiceList& service_list, bool from_apex);
+Parser CreateApexConfigParser(ActionManager& action_manager, ServiceList& service_list);
bool start_waiting_for_property(const char *name, const char *value);
diff --git a/init/init_test.cpp b/init/init_test.cpp
index 8c19d5f..0dc6ff6 100644
--- a/init/init_test.cpp
+++ b/init/init_test.cpp
@@ -42,34 +42,34 @@
using ActionManagerCommand = std::function<void(ActionManager&)>;
void TestInit(const std::string& init_script_file, const BuiltinFunctionMap& test_function_map,
- const std::vector<ActionManagerCommand>& commands, ServiceList* service_list) {
- ActionManager am;
-
+ const std::vector<ActionManagerCommand>& commands, ActionManager* action_manager,
+ ServiceList* service_list) {
Action::set_function_map(&test_function_map);
Parser parser;
parser.AddSectionParser("service",
std::make_unique<ServiceParser>(service_list, nullptr, std::nullopt));
- parser.AddSectionParser("on", std::make_unique<ActionParser>(&am, nullptr));
+ parser.AddSectionParser("on", std::make_unique<ActionParser>(action_manager, nullptr));
parser.AddSectionParser("import", std::make_unique<ImportParser>(&parser));
ASSERT_TRUE(parser.ParseConfig(init_script_file));
for (const auto& command : commands) {
- command(am);
+ command(*action_manager);
}
- while (am.HasMoreCommands()) {
- am.ExecuteOneCommand();
+ while (action_manager->HasMoreCommands()) {
+ action_manager->ExecuteOneCommand();
}
}
void TestInitText(const std::string& init_script, const BuiltinFunctionMap& test_function_map,
- const std::vector<ActionManagerCommand>& commands, ServiceList* service_list) {
+ const std::vector<ActionManagerCommand>& commands, ActionManager* action_manager,
+ ServiceList* service_list) {
TemporaryFile tf;
ASSERT_TRUE(tf.fd != -1);
ASSERT_TRUE(android::base::WriteStringToFd(init_script, tf.fd));
- TestInit(tf.path, test_function_map, commands, service_list);
+ TestInit(tf.path, test_function_map, commands, action_manager, service_list);
}
TEST(init, SimpleEventTrigger) {
@@ -91,8 +91,9 @@
ActionManagerCommand trigger_boot = [](ActionManager& am) { am.QueueEventTrigger("boot"); };
std::vector<ActionManagerCommand> commands{trigger_boot};
+ ActionManager action_manager;
ServiceList service_list;
- TestInitText(init_script, test_function_map, commands, &service_list);
+ TestInitText(init_script, test_function_map, commands, &action_manager, &service_list);
EXPECT_TRUE(expect_true);
}
@@ -154,8 +155,9 @@
ActionManagerCommand trigger_boot = [](ActionManager& am) { am.QueueEventTrigger("boot"); };
std::vector<ActionManagerCommand> commands{trigger_boot};
+ ActionManager action_manager;
ServiceList service_list;
- TestInitText(init_script, test_function_map, commands, &service_list);
+ TestInitText(init_script, test_function_map, commands, &action_manager, &service_list);
EXPECT_EQ(3, num_executed);
}
@@ -170,8 +172,9 @@
)init";
+ ActionManager action_manager;
ServiceList service_list;
- TestInitText(init_script, BuiltinFunctionMap(), {}, &service_list);
+ TestInitText(init_script, BuiltinFunctionMap(), {}, &action_manager, &service_list);
ASSERT_EQ(1, std::distance(service_list.begin(), service_list.end()));
auto service = service_list.begin()->get();
@@ -237,13 +240,100 @@
ActionManagerCommand trigger_boot = [](ActionManager& am) { am.QueueEventTrigger("boot"); };
std::vector<ActionManagerCommand> commands{trigger_boot};
+ ActionManager action_manager;
ServiceList service_list;
-
- TestInit(start.path, test_function_map, commands, &service_list);
+ TestInit(start.path, test_function_map, commands, &action_manager, &service_list);
EXPECT_EQ(6, num_executed);
}
+BuiltinFunctionMap GetTestFunctionMapForLazyLoad(int& num_executed, ActionManager& action_manager) {
+ auto execute_command = [&num_executed](const BuiltinArguments& args) {
+ EXPECT_EQ(2U, args.size());
+ EXPECT_EQ(++num_executed, std::stoi(args[1]));
+ return Result<void>{};
+ };
+ auto load_command = [&action_manager](const BuiltinArguments& args) -> Result<void> {
+ EXPECT_EQ(2U, args.size());
+ Parser parser;
+ parser.AddSectionParser("on", std::make_unique<ActionParser>(&action_manager, nullptr));
+ if (!parser.ParseConfig(args[1])) {
+ return Error() << "Failed to load";
+ }
+ return Result<void>{};
+ };
+ auto trigger_command = [&action_manager](const BuiltinArguments& args) {
+ EXPECT_EQ(2U, args.size());
+ LOG(INFO) << "Queue event trigger: " << args[1];
+ action_manager.QueueEventTrigger(args[1]);
+ return Result<void>{};
+ };
+ BuiltinFunctionMap test_function_map = {
+ {"execute", {1, 1, {false, execute_command}}},
+ {"load", {1, 1, {false, load_command}}},
+ {"trigger", {1, 1, {false, trigger_command}}},
+ };
+ return test_function_map;
+}
+
+TEST(init, LazilyLoadedActionsCantBeTriggeredByTheSameTrigger) {
+ // "start" script loads "lazy" script. Even though "lazy" scripts
+ // defines "on boot" action, it's not executed by the current "boot"
+ // event because it's already processed.
+ TemporaryFile lazy;
+ ASSERT_TRUE(lazy.fd != -1);
+ ASSERT_TRUE(android::base::WriteStringToFd("on boot\nexecute 2", lazy.fd));
+
+ TemporaryFile start;
+ // clang-format off
+ std::string start_script = "on boot\n"
+ "load " + std::string(lazy.path) + "\n"
+ "execute 1";
+ // clang-format on
+ ASSERT_TRUE(android::base::WriteStringToFd(start_script, start.fd));
+
+ int num_executed = 0;
+ ActionManager action_manager;
+ ServiceList service_list;
+ BuiltinFunctionMap test_function_map =
+ GetTestFunctionMapForLazyLoad(num_executed, action_manager);
+
+ ActionManagerCommand trigger_boot = [](ActionManager& am) { am.QueueEventTrigger("boot"); };
+ std::vector<ActionManagerCommand> commands{trigger_boot};
+ TestInit(start.path, test_function_map, commands, &action_manager, &service_list);
+
+ EXPECT_EQ(1, num_executed);
+}
+
+TEST(init, LazilyLoadedActionsCanBeTriggeredByTheNextTrigger) {
+ // "start" script loads "lazy" script and then triggers "next" event
+ // which executes "on next" action loaded by the previous command.
+ TemporaryFile lazy;
+ ASSERT_TRUE(lazy.fd != -1);
+ ASSERT_TRUE(android::base::WriteStringToFd("on next\nexecute 2", lazy.fd));
+
+ TemporaryFile start;
+ // clang-format off
+ std::string start_script = "on boot\n"
+ "load " + std::string(lazy.path) + "\n"
+ "execute 1\n"
+ "trigger next";
+ // clang-format on
+ ASSERT_TRUE(android::base::WriteStringToFd(start_script, start.fd));
+
+ int num_executed = 0;
+ ActionManager action_manager;
+ ServiceList service_list;
+ BuiltinFunctionMap test_function_map =
+ GetTestFunctionMapForLazyLoad(num_executed, action_manager);
+
+ ActionManagerCommand trigger_boot = [](ActionManager& am) { am.QueueEventTrigger("boot"); };
+ std::vector<ActionManagerCommand> commands{trigger_boot};
+ TestInit(start.path, test_function_map, commands, &action_manager, &service_list);
+
+ EXPECT_EQ(2, num_executed);
+}
+
TEST(init, RejectsCriticalAndOneshotService) {
if (GetIntProperty("ro.product.first_api_level", 10000) < 30) {
GTEST_SKIP() << "Test only valid for devices launching with R or later";
diff --git a/init/reboot.cpp b/init/reboot.cpp
index 41cf748..4e4bfd8 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -892,7 +892,16 @@
sub_reason = "ns_switch";
return Error() << "Failed to switch to bootstrap namespace";
}
- // Remove services that were defined in an APEX.
+ ActionManager::GetInstance().RemoveActionIf([](const auto& action) -> bool {
+ if (action->IsFromApex()) {
+ std::string trigger_name = action->BuildTriggersString();
+ LOG(INFO) << "Removing action (" << trigger_name << ") from (" << action->filename()
+ << ":" << action->line() << ")";
+ return true;
+ }
+ return false;
+ });
+ // Remove services that were defined in an APEX
ServiceList::GetInstance().RemoveServiceIf([](const std::unique_ptr<Service>& s) -> bool {
if (s->is_from_apex()) {
LOG(INFO) << "Removing service '" << s->name() << "' because it's defined in an APEX";
diff --git a/init/subcontext.cpp b/init/subcontext.cpp
index 7aa4a9d..bb3967e 100644
--- a/init/subcontext.cpp
+++ b/init/subcontext.cpp
@@ -250,7 +250,14 @@
Fork();
}
-bool Subcontext::PathMatchesSubcontext(const std::string& path) {
+bool Subcontext::PathMatchesSubcontext(const std::string& path) const {
+ static const std::string kApexDir = "/apex/";
+ if (StartsWith(path, kApexDir)) {
+ auto begin = kApexDir.size();
+ auto end = path.find('/', begin);
+ auto apex_name = path.substr(begin, end - begin);
+ return std::find(apex_list_.begin(), apex_list_.end(), apex_name) != apex_list_.end();
+ }
for (const auto& prefix : path_prefixes_) {
if (StartsWith(path, prefix)) {
return true;
@@ -259,6 +266,10 @@
return false;
}
+void Subcontext::SetApexList(std::vector<std::string>&& apex_list) {
+ apex_list_ = std::move(apex_list);
+}
+
Result<SubcontextReply> Subcontext::TransmitMessage(const SubcontextCommand& subcontext_command) {
if (auto result = SendMessage(socket_, subcontext_command); !result.ok()) {
Restart();
diff --git a/init/subcontext.h b/init/subcontext.h
index cb4138e..8acc032 100644
--- a/init/subcontext.h
+++ b/init/subcontext.h
@@ -46,7 +46,8 @@
Result<void> Execute(const std::vector<std::string>& args);
Result<std::vector<std::string>> ExpandArgs(const std::vector<std::string>& args);
void Restart();
- bool PathMatchesSubcontext(const std::string& path);
+ bool PathMatchesSubcontext(const std::string& path) const;
+ void SetApexList(std::vector<std::string>&& apex_list);
const std::string& context() const { return context_; }
pid_t pid() const { return pid_; }
@@ -56,6 +57,7 @@
Result<SubcontextReply> TransmitMessage(const SubcontextCommand& subcontext_command);
std::vector<std::string> path_prefixes_;
+ std::vector<std::string> apex_list_;
std::string context_;
pid_t pid_;
android::base::unique_fd socket_;
diff --git a/libsparse/img2simg.cpp b/libsparse/img2simg.cpp
index 3e24cc0..51580f7 100644
--- a/libsparse/img2simg.cpp
+++ b/libsparse/img2simg.cpp
@@ -38,24 +38,41 @@
#endif
void usage() {
- fprintf(stderr, "Usage: img2simg <raw_image_file> <sparse_image_file> [<block_size>]\n");
+ fprintf(stderr, "Usage: img2simg [-s] <raw_image_file> <sparse_image_file> [<block_size>]\n");
}
int main(int argc, char* argv[]) {
+ char *arg_in;
+ char *arg_out;
+ enum sparse_read_mode mode = SPARSE_READ_MODE_NORMAL;
+ int extra;
int in;
+ int opt;
int out;
int ret;
struct sparse_file* s;
unsigned int block_size = 4096;
off64_t len;
- if (argc < 3 || argc > 4) {
+ while ((opt = getopt(argc, argv, "s")) != -1) {
+ switch (opt) {
+ case 's':
+ mode = SPARSE_READ_MODE_HOLE;
+ break;
+ default:
+ usage();
+ exit(-1);
+ }
+ }
+
+ extra = argc - optind;
+ if (extra < 2 || extra > 3) {
usage();
exit(-1);
}
- if (argc == 4) {
- block_size = atoi(argv[3]);
+ if (extra == 3) {
+ block_size = atoi(argv[optind + 2]);
}
if (block_size < 1024 || block_size % 4 != 0) {
@@ -63,22 +80,24 @@
exit(-1);
}
- if (strcmp(argv[1], "-") == 0) {
+ arg_in = argv[optind];
+ if (strcmp(arg_in, "-") == 0) {
in = STDIN_FILENO;
} else {
- in = open(argv[1], O_RDONLY | O_BINARY);
+ in = open(arg_in, O_RDONLY | O_BINARY);
if (in < 0) {
- fprintf(stderr, "Cannot open input file %s\n", argv[1]);
+ fprintf(stderr, "Cannot open input file %s\n", arg_in);
exit(-1);
}
}
- if (strcmp(argv[2], "-") == 0) {
+ arg_out = argv[optind + 1];
+ if (strcmp(arg_out, "-") == 0) {
out = STDOUT_FILENO;
} else {
- out = open(argv[2], O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
+ out = open(arg_out, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
if (out < 0) {
- fprintf(stderr, "Cannot open output file %s\n", argv[2]);
+ fprintf(stderr, "Cannot open output file %s\n", arg_out);
exit(-1);
}
}
@@ -93,7 +112,7 @@
}
sparse_file_verbose(s);
- ret = sparse_file_read(s, in, SPARSE_READ_MODE_NORMAL, false);
+ ret = sparse_file_read(s, in, mode, false);
if (ret) {
fprintf(stderr, "Failed to read file\n");
exit(-1);
diff --git a/rootdir/init.rc b/rootdir/init.rc
index e8c004b..2746314 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -534,6 +534,10 @@
# /data, which in turn can only be loaded when system properties are present.
trigger post-fs-data
+ # APEXes are ready to use. apex-ready is a public trigger similar to apexd.status=ready which
+ # is a system-private property.
+ trigger apex-ready
+
# Should be before netd, but after apex, properties and logging is available.
trigger load_bpf_programs
@@ -684,8 +688,6 @@
copy /data/system/entropy.dat /dev/urandom
mkdir /data/vendor 0771 root root encryption=Require
- mkdir /data/vendor_ce 0771 root root encryption=None
- mkdir /data/vendor_de 0771 root root encryption=None
mkdir /data/vendor/hardware 0771 root root
# Start tombstoned early to be able to store tombstones.
@@ -734,6 +736,13 @@
# 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.
+ #
+ # /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.
+ # Also, APEXes are public information, similar to the system image.
+ # /data/apex/decompressed and /data/apex/ota_reserved override this setting;
+ # they are encrypted so that files in them can be hard-linked into
+ # /data/rollback which is encrypted.
mkdir /data/apex 0755 root system encryption=None
mkdir /data/apex/active 0755 root system
mkdir /data/apex/backup 0700 root system
@@ -830,6 +839,8 @@
exec - virtualizationservice system -- /bin/rm -rf /data/misc/virtualizationservice
mkdir /data/misc/virtualizationservice 0770 system system
+ # /data/preloads uses encryption=None because it only contains preloaded
+ # files that are public information, similar to the system image.
mkdir /data/preloads 0775 system system encryption=None
# For security reasons, /data/local/tmp should always be empty.
@@ -873,7 +884,10 @@
chown system system /data/resource-cache
chmod 0771 /data/resource-cache
- # create the lost+found directories, so as to enforce our permissions
+ # Ensure that lost+found exists and has the correct permissions. Linux
+ # filesystems expect this directory to exist; it's where the fsck tool puts
+ # any recovered files that weren't present in any directory. It must be
+ # unencrypted, as fsck must be able to write to it.
mkdir /data/lost+found 0770 root root encryption=None
# create directory for DRM plug-ins - give drm the read/write access to
@@ -901,14 +915,22 @@
mkdir /data/system/heapdump 0700 system system
mkdir /data/system/users 0775 system system
- mkdir /data/system_de 0770 system system encryption=None
- mkdir /data/system_ce 0770 system system encryption=None
-
- mkdir /data/misc_de 01771 system misc encryption=None
+ # Create the parent directories of the user CE and DE storage directories.
+ # These parent directories must use encryption=None, since each of their
+ # subdirectories uses a different encryption policy (a per-user one), and
+ # encryption policies apply recursively. These directories should never
+ # contain any subdirectories other than the per-user ones. /data/media/obb
+ # is an exception that exists for legacy reasons.
+ mkdir /data/media 0770 media_rw media_rw encryption=None
+ exec - media_rw media_rw -- /system/bin/chattr +F /data/media
mkdir /data/misc_ce 01771 system misc encryption=None
-
+ mkdir /data/misc_de 01771 system misc encryption=None
+ mkdir /data/system_ce 0770 system system encryption=None
+ mkdir /data/system_de 0770 system system encryption=None
mkdir /data/user 0711 system system encryption=None
mkdir /data/user_de 0711 system system encryption=None
+ mkdir /data/vendor_ce 0771 root root encryption=None
+ mkdir /data/vendor_de 0771 root root encryption=None
# A tmpfs directory, which will contain all apps CE DE data directory that
# bind mount from the original source.
@@ -957,9 +979,6 @@
wait_for_prop apexd.status activated
perform_apex_config
- mkdir /data/media 0770 media_rw media_rw encryption=None
- exec - media_rw media_rw -- /system/bin/chattr +F /data/media
-
# Create directories for boot animation.
mkdir /data/bootanim 0755 system system encryption=DeleteIfNecessary
@@ -1290,6 +1309,7 @@
on userspace-reboot-resume
trigger userspace-reboot-fs-remount
trigger post-fs-data
+ trigger apex-ready
trigger zygote-start
trigger early-boot
trigger boot