Merge "List checks that should not occur in this module."
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 9c5b883..a374c86 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -28,6 +28,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/mount.h>
#include <sys/poll.h>
#include <sys/prctl.h>
#include <sys/resource.h>
@@ -1548,7 +1549,7 @@
dprintf(out_fd, "========================================================\n");
RunDumpsys("APP PROVIDERS PLATFORM", {"activity", "provider", "all-platform"},
- DUMPSYS_COMPONENTS_OPTIONS, out_fd);
+ DUMPSYS_COMPONENTS_OPTIONS, 0, out_fd);
dprintf(out_fd, "========================================================\n");
dprintf(out_fd, "== Running Application Providers (non-platform)\n");
@@ -2156,6 +2157,22 @@
return;
}
+ /*
+ * mount debugfs for non-user builds which launch with S and unmount it
+ * after invoking dumpstateBoard_* methods. This is to enable debug builds
+ * to not have debugfs mounted during runtime. It will also ensure that
+ * debugfs is only accessed by the dumpstate HAL.
+ */
+ auto api_level = android::base::GetIntProperty("ro.product.first_api_level", 0);
+ bool mount_debugfs = !PropertiesHelper::IsUserBuild() && api_level >= 31;
+
+ if (mount_debugfs) {
+ RunCommand("mount debugfs", {"mount", "-t", "debugfs", "debugfs", "/sys/kernel/debug"},
+ AS_ROOT_20);
+ RunCommand("chmod debugfs", {"chmod", "0755", "/sys/kernel/debug"},
+ AS_ROOT_20);
+ }
+
std::vector<std::string> paths;
std::vector<android::base::ScopeGuard<std::function<void()>>> remover;
for (int i = 0; i < NUM_OF_DUMPS; i++) {
@@ -2255,6 +2272,10 @@
"there might be racing in content\n", killing_timeout_sec);
}
+ if (mount_debugfs) {
+ RunCommand("unmount debugfs", {"umount", "/sys/kernel/debug"}, AS_ROOT_20);
+ }
+
auto file_sizes = std::make_unique<ssize_t[]>(paths.size());
for (size_t i = 0; i < paths.size(); i++) {
struct stat s;
diff --git a/cmds/dumpstate/tests/dumpstate_smoke_test.cpp b/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
index fe6a34a..0e366cb 100644
--- a/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
+++ b/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
@@ -319,6 +319,16 @@
*/
class BugreportSectionTest : public Test {
public:
+ ZipArchiveHandle handle;
+
+ void SetUp() {
+ ASSERT_EQ(OpenArchive(ZippedBugreportGenerationTest::getZipFilePath().c_str(), &handle), 0);
+ }
+
+ void TearDown() {
+ CloseArchive(handle);
+ }
+
static void SetUpTestCase() {
ParseSections(ZippedBugreportGenerationTest::getZipFilePath().c_str(),
ZippedBugreportGenerationTest::sections.get());
@@ -343,6 +353,19 @@
}
FAIL() << sectionName << " not found.";
}
+
+ /**
+ * Whether or not the content of the section is injected by other commands.
+ */
+ bool IsContentInjectedByOthers(const std::string& line) {
+ // Command header such as `------ APP ACTIVITIES (/system/bin/dumpsys activity -v) ------`.
+ static const std::regex kCommandHeader = std::regex{"------ .+ \\(.+\\) ------"};
+ std::smatch match;
+ if (std::regex_match(line, match, kCommandHeader)) {
+ return true;
+ }
+ return false;
+ }
};
TEST_F(BugreportSectionTest, Atleast3CriticalDumpsysSectionsGenerated) {
@@ -400,6 +423,28 @@
SectionExists("wifi", /* bytes= */ 100000);
}
+TEST_F(BugreportSectionTest, NoInjectedContentByOtherCommand) {
+ // Extract the main entry to a temp file
+ TemporaryFile tmp_binary;
+ ASSERT_NE(-1, tmp_binary.fd);
+ ExtractBugreport(&handle, tmp_binary.fd);
+
+ // Read line by line and identify sections
+ std::ifstream ifs(tmp_binary.path, std::ifstream::in);
+ std::string line;
+ std::string current_section_name;
+ while (std::getline(ifs, line)) {
+ std::string section_name;
+ if (IsSectionStart(line, §ion_name)) {
+ current_section_name = section_name;
+ } else if (IsSectionEnd(line)) {
+ current_section_name = "";
+ } else if (!current_section_name.empty()) {
+ EXPECT_FALSE(IsContentInjectedByOthers(line));
+ }
+ }
+}
+
class DumpstateBinderTest : public Test {
protected:
void SetUp() override {
diff --git a/libs/binder/ndk/ibinder.cpp b/libs/binder/ndk/ibinder.cpp
index 350c658..454fbd0 100644
--- a/libs/binder/ndk/ibinder.cpp
+++ b/libs/binder/ndk/ibinder.cpp
@@ -301,6 +301,26 @@
return binder.get();
}
+AIBinder_Weak* AIBinder_Weak_clone(const AIBinder_Weak* weak) {
+ if (weak == nullptr) {
+ return nullptr;
+ }
+
+ return new AIBinder_Weak{weak->binder};
+}
+
+bool AIBinder_lt(const AIBinder* lhs, const AIBinder* rhs) {
+ if (lhs == nullptr || rhs == nullptr) return lhs < rhs;
+
+ return const_cast<AIBinder*>(lhs)->getBinder() < const_cast<AIBinder*>(rhs)->getBinder();
+}
+
+bool AIBinder_Weak_lt(const AIBinder_Weak* lhs, const AIBinder_Weak* rhs) {
+ if (lhs == nullptr || rhs == nullptr) return lhs < rhs;
+
+ return lhs->binder < rhs->binder;
+}
+
AIBinder_Class::AIBinder_Class(const char* interfaceDescriptor, AIBinder_Class_onCreate onCreate,
AIBinder_Class_onDestroy onDestroy,
AIBinder_Class_onTransact onTransact)
diff --git a/libs/binder/ndk/include_ndk/android/binder_ibinder.h b/libs/binder/ndk/include_ndk/android/binder_ibinder.h
index 5e1ed46..0ca3a07 100644
--- a/libs/binder/ndk/include_ndk/android/binder_ibinder.h
+++ b/libs/binder/ndk/include_ndk/android/binder_ibinder.h
@@ -657,6 +657,68 @@
*/
const char* AIBinder_Class_getDescriptor(const AIBinder_Class* clazz) __INTRODUCED_IN(31);
+/**
+ * Whether AIBinder is less than another.
+ *
+ * This provides a per-process-unique total ordering of binders determined by
+ * an underlying allocation address where a null AIBinder* is considered to be
+ * ordered before all other binders.
+ *
+ * AIBinder* pointers themselves actually also create a per-process-unique total
+ * ordering. However, this ordering is inconsistent with AIBinder_Weak_lt for
+ * remote binders.
+ *
+ * Available since API level 31.
+ *
+ * \param lhs comparison object
+ * \param rhs comparison object
+ *
+ * \return whether "lhs < rhs" is true
+ */
+bool AIBinder_lt(const AIBinder* lhs, const AIBinder* rhs);
+
+/**
+ * Clone an AIBinder_Weak. Useful because even if a weak binder promotes to a
+ * null value, after further binder transactions, it may no longer promote to a
+ * null value.
+ *
+ * Available since API level 31.
+ *
+ * \param weak Object to clone
+ *
+ * \return clone of the input parameter. This must be deleted with
+ * AIBinder_Weak_delete. Null if weak input parameter is also null.
+ */
+AIBinder_Weak* AIBinder_Weak_clone(const AIBinder_Weak* weak);
+
+/**
+ * Whether AIBinder_Weak is less than another.
+ *
+ * This provides a per-process-unique total ordering of binders which is exactly
+ * the same as AIBinder_lt. Similarly, a null AIBinder_Weak* is considered to be
+ * ordered before all other weak references.
+ *
+ * If you have many AIBinder_Weak* objects which are all references to distinct
+ * binder objects which happen to have the same underlying address (as ordered
+ * by AIBinder_lt), these AIBinder_Weak* objects will retain the same order with
+ * respect to all other AIBinder_Weak* pointers with different underlying
+ * addresses and are also guaranteed to have a per-process-unique ordering. That
+ * is, even though multiple AIBinder* instances may happen to be allocated at
+ * the same underlying address, this function will still correctly distinguish
+ * that these are weak pointers to different binder objects.
+ *
+ * Unlike AIBinder*, the AIBinder_Weak* addresses themselves have nothing to do
+ * with the underlying binder.
+ *
+ * Available since API level 31.
+ *
+ * \param lhs comparison object
+ * \param rhs comparison object
+ *
+ * \return whether "lhs < rhs" is true
+ */
+bool AIBinder_Weak_lt(const AIBinder_Weak* lhs, const AIBinder_Weak* rhs);
+
#endif //__ANDROID_API__ >= 31
__END_DECLS
diff --git a/libs/binder/ndk/libbinder_ndk.map.txt b/libs/binder/ndk/libbinder_ndk.map.txt
index e233ffd..9a93bf3 100644
--- a/libs/binder/ndk/libbinder_ndk.map.txt
+++ b/libs/binder/ndk/libbinder_ndk.map.txt
@@ -122,6 +122,9 @@
AServiceManager_waitForService; # apex llndk
AIBinder_Class_getDescriptor;
+ AIBinder_Weak_clone;
+ AIBinder_Weak_lt;
+ AIBinder_lt;
AParcel_appendFrom;
AParcel_create;
AParcel_getDataSize;