Merge changes Iee0932b5,I0d77c490
* changes:
Fix Errors.h on systems that define NO_ERROR
Disable call stacks on every OS except Linux/Android
diff --git a/debuggerd/debuggerd_test.cpp b/debuggerd/debuggerd_test.cpp
index 85adbea..a5e2413 100644
--- a/debuggerd/debuggerd_test.cpp
+++ b/debuggerd/debuggerd_test.cpp
@@ -1825,9 +1825,9 @@
TEST_F(CrasherTest, unreadable_elf) {
int intercept_result;
unique_fd output_fd;
- StartProcess([]() {
+ std::string tmp_so_name;
+ StartProcess([&tmp_so_name]() {
TemporaryDir td;
- std::string tmp_so_name;
if (!CopySharedLibrary(td.path, &tmp_so_name)) {
_exit(1);
}
@@ -1857,6 +1857,8 @@
std::string result;
ConsumeFd(std::move(output_fd), &result);
ASSERT_MATCH(result, R"(NOTE: Function names and BuildId information is missing )");
+ std::string match_str = "NOTE: " + tmp_so_name;
+ ASSERT_MATCH(result, match_str);
}
TEST(tombstoned, proto) {
diff --git a/debuggerd/libdebuggerd/tombstone_proto.cpp b/debuggerd/libdebuggerd/tombstone_proto.cpp
index 3e31bb7..bee4a67 100644
--- a/debuggerd/libdebuggerd/tombstone_proto.cpp
+++ b/debuggerd/libdebuggerd/tombstone_proto.cpp
@@ -35,6 +35,7 @@
#include <memory>
#include <optional>
+#include <set>
#include <string>
#include <async_safe/log.h>
@@ -419,18 +420,29 @@
return;
}
- if (unwinder->elf_from_memory_not_file()) {
+ unwinder->SetDisplayBuildID(true);
+ std::set<std::string> unreadable_elf_files;
+ for (const auto& frame : unwinder->frames()) {
+ BacktraceFrame* f = thread.add_current_backtrace();
+ fill_in_backtrace_frame(f, frame);
+ if (frame.map_info != nullptr && frame.map_info->ElfFileNotReadable()) {
+ unreadable_elf_files.emplace(frame.map_info->name());
+ }
+ }
+
+ if (!unreadable_elf_files.empty()) {
+ auto unreadable_elf_files_proto = thread.mutable_unreadable_elf_files();
auto backtrace_note = thread.mutable_backtrace_note();
*backtrace_note->Add() =
"Function names and BuildId information is missing for some frames due";
*backtrace_note->Add() = "to unreadable libraries. For unwinds of apps, only shared libraries";
*backtrace_note->Add() = "found under the lib/ directory are readable.";
*backtrace_note->Add() = "On this device, run setenforce 0 to make the libraries readable.";
- }
- unwinder->SetDisplayBuildID(true);
- for (const auto& frame : unwinder->frames()) {
- BacktraceFrame* f = thread.add_current_backtrace();
- fill_in_backtrace_frame(f, frame);
+ *backtrace_note->Add() = "Unreadable libraries:";
+ for (auto& name : unreadable_elf_files) {
+ *backtrace_note->Add() = " " + name;
+ *unreadable_elf_files_proto->Add() = name;
+ }
}
}
diff --git a/debuggerd/libdebuggerd/utility.cpp b/debuggerd/libdebuggerd/utility.cpp
index 543a67c..ecd98a4 100644
--- a/debuggerd/libdebuggerd/utility.cpp
+++ b/debuggerd/libdebuggerd/utility.cpp
@@ -28,6 +28,7 @@
#include <sys/wait.h>
#include <unistd.h>
+#include <set>
#include <string>
#include <android-base/properties.h>
@@ -483,7 +484,16 @@
}
void log_backtrace(log_t* log, unwindstack::Unwinder* unwinder, const char* prefix) {
- if (unwinder->elf_from_memory_not_file()) {
+ std::set<std::string> unreadable_elf_files;
+ unwinder->SetDisplayBuildID(true);
+ for (const auto& frame : unwinder->frames()) {
+ if (frame.map_info != nullptr && frame.map_info->ElfFileNotReadable()) {
+ unreadable_elf_files.emplace(frame.map_info->name());
+ }
+ }
+
+ // Put the preamble ahead of the backtrace.
+ if (!unreadable_elf_files.empty()) {
_LOG(log, logtype::BACKTRACE,
"%sNOTE: Function names and BuildId information is missing for some frames due\n", prefix);
_LOG(log, logtype::BACKTRACE,
@@ -493,10 +503,13 @@
_LOG(log, logtype::BACKTRACE,
"%sNOTE: On this device, run setenforce 0 to make the libraries readable.\n", prefix);
#endif
+ _LOG(log, logtype::BACKTRACE, "%sNOTE: Unreadable libraries:\n", prefix);
+ for (auto& name : unreadable_elf_files) {
+ _LOG(log, logtype::BACKTRACE, "%sNOTE: %s\n", prefix, name.c_str());
+ }
}
- unwinder->SetDisplayBuildID(true);
- for (size_t i = 0; i < unwinder->NumFrames(); i++) {
- _LOG(log, logtype::BACKTRACE, "%s%s\n", prefix, unwinder->FormatFrame(i).c_str());
+ for (const auto& frame : unwinder->frames()) {
+ _LOG(log, logtype::BACKTRACE, "%s%s\n", prefix, unwinder->FormatFrame(frame).c_str());
}
}
diff --git a/debuggerd/proto/tombstone.proto b/debuggerd/proto/tombstone.proto
index 40a942e..a0f2f82 100644
--- a/debuggerd/proto/tombstone.proto
+++ b/debuggerd/proto/tombstone.proto
@@ -123,12 +123,13 @@
string name = 2;
repeated Register registers = 3;
repeated string backtrace_note = 7;
+ repeated string unreadable_elf_files = 9;
repeated BacktraceFrame current_backtrace = 4;
repeated MemoryDump memory_dump = 5;
int64 tagged_addr_ctrl = 6;
int64 pac_enabled_keys = 8;
- reserved 9 to 999;
+ reserved 10 to 999;
}
message BacktraceFrame {
diff --git a/fs_mgr/libsnapshot/snapuserd/snapuserd_daemon.cpp b/fs_mgr/libsnapshot/snapuserd/snapuserd_daemon.cpp
index 0b88567..c31772b 100644
--- a/fs_mgr/libsnapshot/snapuserd/snapuserd_daemon.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/snapuserd_daemon.cpp
@@ -223,8 +223,6 @@
int main(int argc, char** argv) {
android::base::InitLogging(argv, &android::base::KernelLogger);
- LOG(INFO) << "snapuserd daemon about to start";
-
android::snapshot::Daemon& daemon = android::snapshot::Daemon::Instance();
if (!daemon.StartDaemon(argc, argv)) {
diff --git a/init/init.cpp b/init/init.cpp
index 9616805..eca7bc5 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -33,7 +33,6 @@
#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
#include <sys/_system_properties.h>
-#include <filesystem>
#include <functional>
#include <map>
#include <memory>
@@ -47,7 +46,6 @@
#include <android-base/logging.h>
#include <android-base/parseint.h>
#include <android-base/properties.h>
-#include <android-base/scopeguard.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <backtrace/Backtrace.h>
@@ -776,82 +774,6 @@
return {};
}
-static bool SystemReadSmokeTest() {
- std::string dev = "/dev/block/mapper/system"s + fs_mgr_get_slot_suffix();
- android::base::unique_fd fd(open(dev.c_str(), O_RDONLY));
- if (fd < 0) {
- PLOG(ERROR) << "open " << dev << " failed, will not diangose snapuserd hangs";
- return false;
- }
-
- for (size_t i = 1; i <= 100; i++) {
- // Skip around the partition a bit.
- size_t offset = i * 4096 * 512;
-
- char b;
- ssize_t n = TEMP_FAILURE_RETRY(pread(fd.get(), &b, 1, offset));
- if (n < 0) {
- PLOG(ERROR) << "snapuserd smoke test read failed";
- return false;
- }
- }
- return true;
-}
-
-static void DiagnoseSnapuserdHang(pid_t pid) {
- bool succeeded = false;
-
- std::mutex m;
- std::condition_variable cv;
-
- // Enforce an ordering between this and the thread startup, by taking the
- // lock before we lanuch the thread.
- std::unique_lock<std::mutex> cv_lock(m);
-
- std::thread t([&]() -> void {
- std::lock_guard<std::mutex> lock(m);
- succeeded = SystemReadSmokeTest();
- cv.notify_all();
- });
-
- auto join = android::base::make_scope_guard([&]() -> void {
- // If the smoke test is hung, then this will too. We expect the device to
- // automatically reboot once the watchdog kicks in.
- t.join();
- });
-
- auto now = std::chrono::system_clock::now();
- auto deadline = now + 10s;
- auto status = cv.wait_until(cv_lock, deadline);
- if (status == std::cv_status::timeout) {
- LOG(ERROR) << "snapuserd smoke test timed out";
- } else if (!succeeded) {
- LOG(ERROR) << "snapuserd smoke test failed";
- }
-
- if (succeeded) {
- LOG(INFO) << "snapuserd smoke test succeeded";
- return;
- }
-
- while (true) {
- LOG(ERROR) << "snapuserd problem detected, printing open fds";
-
- std::error_code ec;
- std::string proc_dir = "/proc/" + std::to_string(pid) + "/fd";
- for (const auto& entry : std::filesystem::directory_iterator(proc_dir)) {
- std::string target;
- if (android::base::Readlink(entry.path(), &target)) {
- LOG(ERROR) << "snapuserd opened: " << target;
- } else {
- LOG(ERROR) << "snapuserd opened: " << entry.path();
- }
- }
-
- std::this_thread::sleep_for(10s);
- }
-}
-
int SecondStageMain(int argc, char** argv) {
if (REBOOT_BOOTLOADER_ON_PANIC) {
InstallRebootSignalHandlers();
@@ -865,11 +787,6 @@
InitKernelLogging(argv);
LOG(INFO) << "init second stage started!";
- if (auto pid = GetSnapuserdFirstStagePid()) {
- std::thread t(DiagnoseSnapuserdHang, *pid);
- t.detach();
- }
-
// Update $PATH in the case the second stage init is newer than first stage init, where it is
// first set.
if (setenv("PATH", _PATH_DEFPATH, 1) != 0) {
diff --git a/libprocessgroup/processgroup.cpp b/libprocessgroup/processgroup.cpp
index 76d5e13..96b5537 100644
--- a/libprocessgroup/processgroup.cpp
+++ b/libprocessgroup/processgroup.cpp
@@ -442,8 +442,8 @@
struct stat cgroup_stat;
mode_t cgroup_mode = 0750;
- gid_t cgroup_uid = AID_SYSTEM;
- uid_t cgroup_gid = AID_SYSTEM;
+ uid_t cgroup_uid = AID_SYSTEM;
+ gid_t cgroup_gid = AID_SYSTEM;
int ret = 0;
if (stat(cgroup.c_str(), &cgroup_stat) == 1) {
diff --git a/libprocessgroup/profiles/cgroups.json b/libprocessgroup/profiles/cgroups.json
index 0634220..3e4393d 100644
--- a/libprocessgroup/profiles/cgroups.json
+++ b/libprocessgroup/profiles/cgroups.json
@@ -3,7 +3,7 @@
{
"Controller": "blkio",
"Path": "/dev/blkio",
- "Mode": "0755",
+ "Mode": "0775",
"UID": "system",
"GID": "system"
},
@@ -32,16 +32,13 @@
],
"Cgroups2": {
"Path": "/sys/fs/cgroup",
- "Mode": "0755",
+ "Mode": "0775",
"UID": "system",
"GID": "system",
"Controllers": [
{
"Controller": "freezer",
- "Path": ".",
- "Mode": "0755",
- "UID": "system",
- "GID": "system"
+ "Path": "."
}
]
}
diff --git a/trusty/libtrusty/include/trusty/ipc.h b/trusty/libtrusty/include/trusty/ipc.h
index 1fa6fe4..04e84c6 100644
--- a/trusty/libtrusty/include/trusty/ipc.h
+++ b/trusty/libtrusty/include/trusty/ipc.h
@@ -23,15 +23,19 @@
/**
* enum transfer_kind - How to send an fd to Trusty
- * @TRUSTY_SHARE: Memory will be accessible by Linux and Trusty. On ARM it will
- * be mapped as nonsecure. Suitable for shared memory. The paired
- * fd must be a "memfd".
- * @TRUSTY_LEND: Memory will be accessible only to Trusty. On ARM it will be
- * transitioned to "Secure" memory if Trusty is in TrustZone.
- * This transfer kind is suitable for donating video buffers or
- * other similar resources. The paired fd may need to come from a
- * platform-specific allocator for memory that may be
- * transitioned to "Secure".
+ * @TRUSTY_SHARE: Memory will be accessible by Linux and Trusty. On ARM it
+ * will be mapped as nonsecure. Suitable for shared memory.
+ * The paired fd must be a "dma_buf".
+ * @TRUSTY_LEND: Memory will be accessible only to Trusty. On ARM it will
+ * be transitioned to "Secure" memory if Trusty is in
+ * TrustZone. This transfer kind is suitable for donating
+ * video buffers or other similar resources. The paired fd
+ * may need to come from a platform-specific allocator for
+ * memory that may be transitioned to "Secure".
+ * @TRUSTY_SEND_SECURE: Send memory that is already "Secure". Memory will be
+ * accessible only to Trusty. The paired fd may need to
+ * come from a platform-specific allocator that returns
+ * "Secure" buffers.
*
* Describes how the user would like the resource in question to be sent to
* Trusty. Options may be valid only for certain kinds of fds.
@@ -39,6 +43,7 @@
enum transfer_kind {
TRUSTY_SHARE = 0,
TRUSTY_LEND = 1,
+ TRUSTY_SEND_SECURE = 2,
};
/**