diff options
| author | Dawid Potocki <dawid@dawidpotocki.com> | 2024-03-05 14:09:27 +1300 |
|---|---|---|
| committer | Dawid Potocki <dawid@dawidpotocki.com> | 2024-03-05 20:34:15 +1300 |
| commit | 063e15900bda8453fb0fc6751e78d064501ccbae (patch) | |
| tree | a4cd5f01dbca33a262333aff10e1e035217a30c8 /externals/breakpad/src/processor/minidump_processor_unittest.cc | |
| parent | 537296095ab24eddcb196b5ef98004f91de9c8c2 (diff) | |
Diffstat (limited to 'externals/breakpad/src/processor/minidump_processor_unittest.cc')
| -rw-r--r-- | externals/breakpad/src/processor/minidump_processor_unittest.cc | 830 |
1 files changed, 830 insertions, 0 deletions
diff --git a/externals/breakpad/src/processor/minidump_processor_unittest.cc b/externals/breakpad/src/processor/minidump_processor_unittest.cc new file mode 100644 index 0000000000..de3cfdd59f --- /dev/null +++ b/externals/breakpad/src/processor/minidump_processor_unittest.cc @@ -0,0 +1,830 @@ +// Copyright 2006 Google LLC +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google LLC nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Unit test for MinidumpProcessor. Uses a pre-generated minidump and +// corresponding symbol file, and checks the stack frames for correctness. + +#ifdef HAVE_CONFIG_H +#include <config.h> // Must come first +#endif + +#include <stdlib.h> + +#include <string> +#include <iostream> +#include <fstream> +#include <map> +#include <utility> + +#include "breakpad_googletest_includes.h" +#include "common/scoped_ptr.h" +#include "common/using_std_string.h" +#include "google_breakpad/processor/basic_source_line_resolver.h" +#include "google_breakpad/processor/call_stack.h" +#include "google_breakpad/processor/code_module.h" +#include "google_breakpad/processor/code_modules.h" +#include "google_breakpad/processor/minidump.h" +#include "google_breakpad/processor/minidump_processor.h" +#include "google_breakpad/processor/process_state.h" +#include "google_breakpad/processor/stack_frame.h" +#include "google_breakpad/processor/symbol_supplier.h" +#include "processor/logging.h" +#include "processor/stackwalker_unittest_utils.h" + +using std::map; + +namespace google_breakpad { +class MockMinidump : public Minidump { + public: + MockMinidump() : Minidump("") { + } + + MOCK_METHOD0(Read, bool()); + MOCK_CONST_METHOD0(path, string()); + MOCK_CONST_METHOD0(header, const MDRawHeader*()); + MOCK_METHOD0(GetThreadList, MinidumpThreadList*()); + MOCK_METHOD0(GetSystemInfo, MinidumpSystemInfo*()); + MOCK_METHOD0(GetMiscInfo, MinidumpMiscInfo*()); + MOCK_METHOD0(GetBreakpadInfo, MinidumpBreakpadInfo*()); + MOCK_METHOD0(GetException, MinidumpException*()); + MOCK_METHOD0(GetAssertion, MinidumpAssertion*()); + MOCK_METHOD0(GetModuleList, MinidumpModuleList*()); + MOCK_METHOD0(GetUnloadedModuleList, MinidumpUnloadedModuleList*()); + MOCK_METHOD0(GetMemoryList, MinidumpMemoryList*()); +}; + +class MockMinidumpUnloadedModule : public MinidumpUnloadedModule { + public: + MockMinidumpUnloadedModule() : MinidumpUnloadedModule(NULL) {} +}; + +class MockMinidumpUnloadedModuleList : public MinidumpUnloadedModuleList { + public: + MockMinidumpUnloadedModuleList() : MinidumpUnloadedModuleList(NULL) {} + + ~MockMinidumpUnloadedModuleList() {} + MOCK_CONST_METHOD0(Copy, CodeModules*()); + MOCK_CONST_METHOD1(GetModuleForAddress, + const MinidumpUnloadedModule*(uint64_t)); +}; + +class MockMinidumpThreadList : public MinidumpThreadList { + public: + MockMinidumpThreadList() : MinidumpThreadList(NULL) {} + + MOCK_CONST_METHOD0(thread_count, unsigned int()); + MOCK_CONST_METHOD1(GetThreadAtIndex, MinidumpThread*(unsigned int)); +}; + +class MockMinidumpMemoryList : public MinidumpMemoryList { + public: + MockMinidumpMemoryList() : MinidumpMemoryList(NULL) {} + + MOCK_METHOD1(GetMemoryRegionForAddress, MinidumpMemoryRegion*(uint64_t)); +}; + +class MockMinidumpThread : public MinidumpThread { + public: + MockMinidumpThread() : MinidumpThread(NULL) {} + + MOCK_CONST_METHOD1(GetThreadID, bool(uint32_t*)); + MOCK_METHOD0(GetContext, MinidumpContext*()); + MOCK_METHOD0(GetMemory, MinidumpMemoryRegion*()); + MOCK_CONST_METHOD0(GetStartOfStackMemoryRange, uint64_t()); +}; + +// This is crappy, but MinidumpProcessor really does want a +// MinidumpMemoryRegion. +class MockMinidumpMemoryRegion : public MinidumpMemoryRegion { + public: + MockMinidumpMemoryRegion(uint64_t base, const string& contents) : + MinidumpMemoryRegion(NULL) { + region_.Init(base, contents); + } + + uint64_t GetBase() const { return region_.GetBase(); } + uint32_t GetSize() const { return region_.GetSize(); } + + bool GetMemoryAtAddress(uint64_t address, uint8_t* value) const { + return region_.GetMemoryAtAddress(address, value); + } + bool GetMemoryAtAddress(uint64_t address, uint16_t* value) const { + return region_.GetMemoryAtAddress(address, value); + } + bool GetMemoryAtAddress(uint64_t address, uint32_t* value) const { + return region_.GetMemoryAtAddress(address, value); + } + bool GetMemoryAtAddress(uint64_t address, uint64_t* value) const { + return region_.GetMemoryAtAddress(address, value); + } + + MockMemoryRegion region_; +}; + +// A test miscelaneous info stream, just returns values from the +// MDRawMiscInfo fed to it. +class TestMinidumpMiscInfo : public MinidumpMiscInfo { + public: + explicit TestMinidumpMiscInfo(const MDRawMiscInfo& misc_info) : + MinidumpMiscInfo(NULL) { + valid_ = true; + misc_info_ = misc_info; + } +}; + +} // namespace google_breakpad + +namespace { + +using google_breakpad::BasicSourceLineResolver; +using google_breakpad::CallStack; +using google_breakpad::CodeModule; +using google_breakpad::MinidumpContext; +using google_breakpad::MinidumpMemoryRegion; +using google_breakpad::MinidumpMiscInfo; +using google_breakpad::MinidumpProcessor; +using google_breakpad::MinidumpSystemInfo; +using google_breakpad::MinidumpThreadList; +using google_breakpad::MinidumpThread; +using google_breakpad::MockMinidump; +using google_breakpad::MockMinidumpMemoryList; +using google_breakpad::MockMinidumpMemoryRegion; +using google_breakpad::MockMinidumpThread; +using google_breakpad::MockMinidumpThreadList; +using google_breakpad::MockMinidumpUnloadedModule; +using google_breakpad::MockMinidumpUnloadedModuleList; +using google_breakpad::ProcessState; +using google_breakpad::scoped_ptr; +using google_breakpad::SymbolSupplier; +using google_breakpad::SystemInfo; +using ::testing::_; +using ::testing::AnyNumber; +using ::testing::DoAll; +using ::testing::Mock; +using ::testing::Ne; +using ::testing::Property; +using ::testing::Return; +using ::testing::SetArgumentPointee; + +static const char* kSystemInfoOS = "Windows NT"; +static const char* kSystemInfoOSShort = "windows"; +static const char* kSystemInfoOSVersion = "5.1.2600 Service Pack 2"; +static const char* kSystemInfoCPU = "x86"; +static const char* kSystemInfoCPUInfo = + "GenuineIntel family 6 model 13 stepping 8"; + +#define ASSERT_TRUE_ABORT(cond) \ + if (!(cond)) { \ + fprintf(stderr, "FAILED: %s at %s:%d\n", #cond, __FILE__, __LINE__); \ + abort(); \ + } + +#define ASSERT_EQ_ABORT(e1, e2) ASSERT_TRUE_ABORT((e1) == (e2)) + +static string GetTestDataPath() { + char* srcdir = getenv("srcdir"); + + return string(srcdir ? srcdir : ".") + "/src/processor/testdata/"; +} + +class TestSymbolSupplier : public SymbolSupplier { + public: + TestSymbolSupplier() : interrupt_(false) {} + + virtual SymbolResult GetSymbolFile(const CodeModule* module, + const SystemInfo* system_info, + string* symbol_file); + + virtual SymbolResult GetSymbolFile(const CodeModule* module, + const SystemInfo* system_info, + string* symbol_file, + string* symbol_data); + + virtual SymbolResult GetCStringSymbolData(const CodeModule* module, + const SystemInfo* system_info, + string* symbol_file, + char** symbol_data, + size_t* symbol_data_size); + + virtual void FreeSymbolData(const CodeModule* module); + + // When set to true, causes the SymbolSupplier to return INTERRUPT + void set_interrupt(bool interrupt) { interrupt_ = interrupt; } + + private: + bool interrupt_; + map<string, char*> memory_buffers_; +}; + +SymbolSupplier::SymbolResult TestSymbolSupplier::GetSymbolFile( + const CodeModule* module, + const SystemInfo* system_info, + string* symbol_file) { + ASSERT_TRUE_ABORT(module); + ASSERT_TRUE_ABORT(system_info); + ASSERT_EQ_ABORT(system_info->cpu, kSystemInfoCPU); + ASSERT_EQ_ABORT(system_info->cpu_info, kSystemInfoCPUInfo); + ASSERT_EQ_ABORT(system_info->os, kSystemInfoOS); + ASSERT_EQ_ABORT(system_info->os_short, kSystemInfoOSShort); + ASSERT_EQ_ABORT(system_info->os_version, kSystemInfoOSVersion); + + if (interrupt_) { + return INTERRUPT; + } + + if (module && module->code_file() == "c:\\test_app.exe") { + *symbol_file = GetTestDataPath() + "symbols/test_app.pdb/" + + module->debug_identifier() + "/test_app.sym"; + return FOUND; + } + + return NOT_FOUND; +} + +SymbolSupplier::SymbolResult TestSymbolSupplier::GetSymbolFile( + const CodeModule* module, + const SystemInfo* system_info, + string* symbol_file, + string* symbol_data) { + SymbolSupplier::SymbolResult s = GetSymbolFile(module, system_info, + symbol_file); + if (s == FOUND) { + std::ifstream in(symbol_file->c_str()); + std::getline(in, *symbol_data, string::traits_type::to_char_type( + string::traits_type::eof())); + in.close(); + } + + return s; +} + +SymbolSupplier::SymbolResult TestSymbolSupplier::GetCStringSymbolData( + const CodeModule* module, + const SystemInfo* system_info, + string* symbol_file, + char** symbol_data, + size_t* symbol_data_size) { + string symbol_data_string; + SymbolSupplier::SymbolResult s = GetSymbolFile(module, + system_info, + symbol_file, + &symbol_data_string); + if (s == FOUND) { + *symbol_data_size = symbol_data_string.size() + 1; + *symbol_data = new char[*symbol_data_size]; + if (*symbol_data == NULL) { + BPLOG(ERROR) << "Memory allocation failed for module: " + << module->code_file() << " size: " << *symbol_data_size; + return INTERRUPT; + } + memcpy(*symbol_data, symbol_data_string.c_str(), symbol_data_string.size()); + (*symbol_data)[symbol_data_string.size()] = '\0'; + memory_buffers_.insert(make_pair(module->code_file(), *symbol_data)); + } + + return s; +} + +void TestSymbolSupplier::FreeSymbolData(const CodeModule* module) { + map<string, char*>::iterator it = memory_buffers_.find(module->code_file()); + if (it != memory_buffers_.end()) { + delete [] it->second; + memory_buffers_.erase(it); + } +} + +// A test system info stream, just returns values from the +// MDRawSystemInfo fed to it. +class TestMinidumpSystemInfo : public MinidumpSystemInfo { + public: + explicit TestMinidumpSystemInfo(MDRawSystemInfo info) : + MinidumpSystemInfo(NULL) { + valid_ = true; + system_info_ = info; + csd_version_ = new string(""); + } +}; + +// A test minidump context, just returns the MDRawContextX86 +// fed to it. +class TestMinidumpContext : public MinidumpContext { + public: + explicit TestMinidumpContext(const MDRawContextX86& context) : + MinidumpContext(NULL) { + valid_ = true; + SetContextX86(new MDRawContextX86(context)); + SetContextFlags(MD_CONTEXT_X86); + } +}; + +class MinidumpProcessorTest : public ::testing::Test { +}; + +TEST_F(MinidumpProcessorTest, TestUnloadedModules) { + MockMinidump dump; + + EXPECT_CALL(dump, path()).WillRepeatedly(Return("mock minidump")); + EXPECT_CALL(dump, Read()).WillRepeatedly(Return(true)); + + MDRawHeader fake_header; + fake_header.time_date_stamp = 0; + EXPECT_CALL(dump, header()).WillRepeatedly(Return(&fake_header)); + + MDRawSystemInfo raw_system_info; + memset(&raw_system_info, 0, sizeof(raw_system_info)); + raw_system_info.processor_architecture = MD_CPU_ARCHITECTURE_X86; + raw_system_info.platform_id = MD_OS_WIN32_NT; + TestMinidumpSystemInfo dump_system_info(raw_system_info); + + EXPECT_CALL(dump, GetSystemInfo()). + WillRepeatedly(Return(&dump_system_info)); + + // No loaded modules + + MockMinidumpUnloadedModuleList unloaded_module_list; + EXPECT_CALL(dump, GetUnloadedModuleList()). + WillOnce(Return(&unloaded_module_list)); + + MockMinidumpMemoryList memory_list; + EXPECT_CALL(dump, GetMemoryList()). + WillOnce(Return(&memory_list)); + + MockMinidumpThreadList thread_list; + EXPECT_CALL(dump, GetThreadList()). + WillOnce(Return(&thread_list)); + + EXPECT_CALL(thread_list, thread_count()). + WillRepeatedly(Return(1)); + + MockMinidumpThread thread; + EXPECT_CALL(thread_list, GetThreadAtIndex(0)). + WillOnce(Return(&thread)); + + EXPECT_CALL(thread, GetThreadID(_)). + WillRepeatedly(DoAll(SetArgumentPointee<0>(1), + Return(true))); + + MDRawContextX86 thread_raw_context; + memset(&thread_raw_context, 0, + sizeof(thread_raw_context)); + thread_raw_context.context_flags = MD_CONTEXT_X86_FULL; + const uint32_t kExpectedEIP = 0xabcd1234; + thread_raw_context.eip = kExpectedEIP; + TestMinidumpContext thread_context(thread_raw_context); + EXPECT_CALL(thread, GetContext()). + WillRepeatedly(Return(&thread_context)); + + // The memory contents don't really matter here, since it won't be used. + MockMinidumpMemoryRegion thread_memory(0x1234, "xxx"); + EXPECT_CALL(thread, GetMemory()). + WillRepeatedly(Return(&thread_memory)); + EXPECT_CALL(thread, GetStartOfStackMemoryRange()). + Times(0); + EXPECT_CALL(memory_list, GetMemoryRegionForAddress(_)). + Times(0); + + MockMinidumpUnloadedModuleList* unloaded_module_list_copy = + new MockMinidumpUnloadedModuleList(); + EXPECT_CALL(unloaded_module_list, Copy()). + WillOnce(Return(unloaded_module_list_copy)); + + MockMinidumpUnloadedModule unloaded_module; + EXPECT_CALL(*unloaded_module_list_copy, GetModuleForAddress(kExpectedEIP)). + WillOnce(Return(&unloaded_module)); + + MinidumpProcessor processor(reinterpret_cast<SymbolSupplier*>(NULL), NULL); + ProcessState state; + EXPECT_EQ(processor.Process(&dump, &state), + google_breakpad::PROCESS_OK); + + // The single frame should be populated with the unloaded module. + ASSERT_EQ(1U, state.threads()->size()); + ASSERT_EQ(1U, state.threads()->at(0)->frames()->size()); + ASSERT_EQ(kExpectedEIP, state.threads()->at(0)->frames()->at(0)->instruction); + ASSERT_EQ(&unloaded_module, state.threads()->at(0)->frames()->at(0)->module); +} + +TEST_F(MinidumpProcessorTest, TestCorruptMinidumps) { + MockMinidump dump; + TestSymbolSupplier supplier; + BasicSourceLineResolver resolver; + MinidumpProcessor processor(&supplier, &resolver); + ProcessState state; + + EXPECT_EQ(processor.Process("nonexistent minidump", &state), + google_breakpad::PROCESS_ERROR_MINIDUMP_NOT_FOUND); + + EXPECT_CALL(dump, path()).WillRepeatedly(Return("mock minidump")); + EXPECT_CALL(dump, Read()).WillRepeatedly(Return(true)); + + MDRawHeader fakeHeader; + fakeHeader.time_date_stamp = 0; + EXPECT_CALL(dump, header()). + WillOnce(Return(reinterpret_cast<MDRawHeader*>(NULL))). + WillRepeatedly(Return(&fakeHeader)); + + EXPECT_EQ(processor.Process(&dump, &state), + google_breakpad::PROCESS_ERROR_NO_MINIDUMP_HEADER); + + EXPECT_CALL(dump, GetThreadList()). + WillOnce(Return(reinterpret_cast<MinidumpThreadList*>(NULL))); + EXPECT_CALL(dump, GetSystemInfo()). + WillRepeatedly(Return(reinterpret_cast<MinidumpSystemInfo*>(NULL))); + + EXPECT_EQ(processor.Process(&dump, &state), + google_breakpad::PROCESS_ERROR_NO_THREAD_LIST); +} + +// This test case verifies that the symbol supplier is only consulted +// once per minidump per module. +TEST_F(MinidumpProcessorTest, TestSymbolSupplierLookupCounts) { + MockSymbolSupplier supplier; + BasicSourceLineResolver resolver; + MinidumpProcessor processor(&supplier, &resolver); + + string minidump_file = GetTestDataPath() + "minidump2.dmp"; + ProcessState state; + EXPECT_CALL(supplier, GetCStringSymbolData( + Property(&google_breakpad::CodeModule::code_file, + "c:\\test_app.exe"), + _, _, _, _)).WillOnce(Return(SymbolSupplier::NOT_FOUND)); + EXPECT_CALL(supplier, GetCStringSymbolData( + Property(&google_breakpad::CodeModule::code_file, + Ne("c:\\test_app.exe")), + _, _, _, _)).WillRepeatedly(Return(SymbolSupplier::NOT_FOUND)); + // Avoid GMOCK WARNING "Uninteresting mock function call - returning + // directly" for FreeSymbolData(). + EXPECT_CALL(supplier, FreeSymbolData(_)).Times(AnyNumber()); + ASSERT_EQ(processor.Process(minidump_file, &state), + google_breakpad::PROCESS_OK); + + ASSERT_TRUE(Mock::VerifyAndClearExpectations(&supplier)); + + // We need to verify that across minidumps, the processor will refetch + // symbol files, even with the same symbol supplier. + EXPECT_CALL(supplier, GetCStringSymbolData( + Property(&google_breakpad::CodeModule::code_file, + "c:\\test_app.exe"), + _, _, _, _)).WillOnce(Return(SymbolSupplier::NOT_FOUND)); + EXPECT_CALL(supplier, GetCStringSymbolData( + Property(&google_breakpad::CodeModule::code_file, + Ne("c:\\test_app.exe")), + _, _, _, _)).WillRepeatedly(Return(SymbolSupplier::NOT_FOUND)); + // Avoid GMOCK WARNING "Uninteresting mock function call - returning + // directly" for FreeSymbolData(). + EXPECT_CALL(supplier, FreeSymbolData(_)).Times(AnyNumber()); + ASSERT_EQ(processor.Process(minidump_file, &state), + google_breakpad::PROCESS_OK); +} + +TEST_F(MinidumpProcessorTest, TestBasicProcessing) { + TestSymbolSupplier supplier; + BasicSourceLineResolver resolver; + MinidumpProcessor processor(&supplier, &resolver); + + string minidump_file = GetTestDataPath() + "minidump2.dmp"; + + ProcessState state; + ASSERT_EQ(processor.Process(minidump_file, &state), + google_breakpad::PROCESS_OK); + ASSERT_EQ(state.system_info()->os, kSystemInfoOS); + ASSERT_EQ(state.system_info()->os_short, kSystemInfoOSShort); + ASSERT_EQ(state.system_info()->os_version, kSystemInfoOSVersion); + ASSERT_EQ(state.system_info()->cpu, kSystemInfoCPU); + ASSERT_EQ(state.system_info()->cpu_info, kSystemInfoCPUInfo); + ASSERT_TRUE(state.crashed()); + ASSERT_EQ(state.crash_reason(), "EXCEPTION_ACCESS_VIOLATION_WRITE"); + ASSERT_EQ(state.crash_address(), 0x45U); + ASSERT_EQ(state.threads()->size(), size_t(1)); + EXPECT_EQ((*state.threads())[0]->tid(), 3060U); + ASSERT_EQ(state.requesting_thread(), 0); + EXPECT_EQ(1171480435U, state.time_date_stamp()); + EXPECT_EQ(1171480435U, state.process_create_time()); + + CallStack* stack = state.threads()->at(0); + ASSERT_TRUE(stack); + ASSERT_EQ(stack->frames()->size(), 4U); + + ASSERT_TRUE(stack->frames()->at(0)->module); + ASSERT_EQ(stack->frames()->at(0)->module->base_address(), 0x400000U); + ASSERT_EQ(stack->frames()->at(0)->module->code_file(), "c:\\test_app.exe"); + ASSERT_EQ(stack->frames()->at(0)->function_name, + "`anonymous namespace'::CrashFunction"); + ASSERT_EQ(stack->frames()->at(0)->source_file_name, "c:\\test_app.cc"); + ASSERT_EQ(stack->frames()->at(0)->source_line, 58); + + ASSERT_TRUE(stack->frames()->at(1)->module); + ASSERT_EQ(stack->frames()->at(1)->module->base_address(), 0x400000U); + ASSERT_EQ(stack->frames()->at(1)->module->code_file(), "c:\\test_app.exe"); + ASSERT_EQ(stack->frames()->at(1)->function_name, "main"); + ASSERT_EQ(stack->frames()->at(1)->source_file_name, "c:\\test_app.cc"); + ASSERT_EQ(stack->frames()->at(1)->source_line, 65); + + // This comes from the CRT + ASSERT_TRUE(stack->frames()->at(2)->module); + ASSERT_EQ(stack->frames()->at(2)->module->base_address(), 0x400000U); + ASSERT_EQ(stack->frames()->at(2)->module->code_file(), "c:\\test_app.exe"); + ASSERT_EQ(stack->frames()->at(2)->function_name, "__tmainCRTStartup"); + ASSERT_EQ(stack->frames()->at(2)->source_file_name, + "f:\\sp\\vctools\\crt_bld\\self_x86\\crt\\src\\crt0.c"); + ASSERT_EQ(stack->frames()->at(2)->source_line, 327); + + // No debug info available for kernel32.dll + ASSERT_TRUE(stack->frames()->at(3)->module); + ASSERT_EQ(stack->frames()->at(3)->module->base_address(), 0x7c800000U); + ASSERT_EQ(stack->frames()->at(3)->module->code_file(), + "C:\\WINDOWS\\system32\\kernel32.dll"); + ASSERT_TRUE(stack->frames()->at(3)->function_name.empty()); + ASSERT_TRUE(stack->frames()->at(3)->source_file_name.empty()); + ASSERT_EQ(stack->frames()->at(3)->source_line, 0); + + ASSERT_EQ(state.modules()->module_count(), 13U); + ASSERT_TRUE(state.modules()->GetMainModule()); + ASSERT_EQ(state.modules()->GetMainModule()->code_file(), "c:\\test_app.exe"); + ASSERT_FALSE(state.modules()->GetModuleForAddress(0)); + ASSERT_EQ(state.modules()->GetMainModule(), + state.modules()->GetModuleForAddress(0x400000)); + ASSERT_EQ(state.modules()->GetModuleForAddress(0x7c801234)->debug_file(), + "kernel32.pdb"); + ASSERT_EQ(state.modules()->GetModuleForAddress(0x77d43210)->version(), + "5.1.2600.2622"); + + // Test that disabled exploitability engine defaults to + // EXPLOITABILITY_NOT_ANALYZED. + ASSERT_EQ(google_breakpad::EXPLOITABILITY_NOT_ANALYZED, + state.exploitability()); + + // Test that the symbol supplier can interrupt processing + state.Clear(); + supplier.set_interrupt(true); + ASSERT_EQ(processor.Process(minidump_file, &state), + google_breakpad::PROCESS_SYMBOL_SUPPLIER_INTERRUPTED); +} + +TEST_F(MinidumpProcessorTest, TestThreadMissingMemory) { + MockMinidump dump; + EXPECT_CALL(dump, path()).WillRepeatedly(Return("mock minidump")); + EXPECT_CALL(dump, Read()).WillRepeatedly(Return(true)); + + MDRawHeader fake_header; + fake_header.time_date_stamp = 0; + EXPECT_CALL(dump, header()).WillRepeatedly(Return(&fake_header)); + + MDRawSystemInfo raw_system_info; + memset(&raw_system_info, 0, sizeof(raw_system_info)); + raw_system_info.processor_architecture = MD_CPU_ARCHITECTURE_X86; + raw_system_info.platform_id = MD_OS_WIN32_NT; + TestMinidumpSystemInfo dump_system_info(raw_system_info); + + EXPECT_CALL(dump, GetSystemInfo()). + WillRepeatedly(Return(&dump_system_info)); + + MockMinidumpThreadList thread_list; + EXPECT_CALL(dump, GetThreadList()). + WillOnce(Return(&thread_list)); + + MockMinidumpMemoryList memory_list; + EXPECT_CALL(dump, GetMemoryList()). + WillOnce(Return(&memory_list)); + + // Return a thread missing stack memory. + MockMinidumpThread no_memory_thread; + EXPECT_CALL(no_memory_thread, GetThreadID(_)). + WillRepeatedly(DoAll(SetArgumentPointee<0>(1), + Return(true))); + EXPECT_CALL(no_memory_thread, GetMemory()). + WillRepeatedly(Return(reinterpret_cast<MinidumpMemoryRegion*>(NULL))); + + const uint64_t kTestStartOfMemoryRange = 0x1234; + EXPECT_CALL(no_memory_thread, GetStartOfStackMemoryRange()). + WillRepeatedly(Return(kTestStartOfMemoryRange)); + EXPECT_CALL(memory_list, GetMemoryRegionForAddress(kTestStartOfMemoryRange)). + WillRepeatedly(Return(reinterpret_cast<MinidumpMemoryRegion*>(NULL))); + + MDRawContextX86 no_memory_thread_raw_context; + memset(&no_memory_thread_raw_context, 0, + sizeof(no_memory_thread_raw_context)); + no_memory_thread_raw_context.context_flags = MD_CONTEXT_X86_FULL; + const uint32_t kExpectedEIP = 0xabcd1234; + no_memory_thread_raw_context.eip = kExpectedEIP; + TestMinidumpContext no_memory_thread_context(no_memory_thread_raw_context); + EXPECT_CALL(no_memory_thread, GetContext()). + WillRepeatedly(Return(&no_memory_thread_context)); + + EXPECT_CALL(thread_list, thread_count()). + WillRepeatedly(Return(1)); + EXPECT_CALL(thread_list, GetThreadAtIndex(0)). + WillOnce(Return(&no_memory_thread)); + + MinidumpProcessor processor(reinterpret_cast<SymbolSupplier*>(NULL), NULL); + ProcessState state; + EXPECT_EQ(processor.Process(&dump, &state), + google_breakpad::PROCESS_OK); + + // Should have a single thread with a single frame in it. + ASSERT_EQ(1U, state.threads()->size()); + ASSERT_EQ(1U, state.threads()->at(0)->frames()->size()); + ASSERT_EQ(kExpectedEIP, state.threads()->at(0)->frames()->at(0)->instruction); +} + +TEST_F(MinidumpProcessorTest, GetProcessCreateTime) { + const uint32_t kProcessCreateTime = 2000; + const uint32_t kTimeDateStamp = 5000; + MockMinidump dump; + EXPECT_CALL(dump, path()).WillRepeatedly(Return("mock minidump")); + EXPECT_CALL(dump, Read()).WillRepeatedly(Return(true)); + + // Set time of crash. + MDRawHeader fake_header; + fake_header.time_date_stamp = kTimeDateStamp; + EXPECT_CALL(dump, header()).WillRepeatedly(Return(&fake_header)); + + // Set process create time. + MDRawMiscInfo raw_misc_info; + memset(&raw_misc_info, 0, sizeof(raw_misc_info)); + raw_misc_info.process_create_time = kProcessCreateTime; + raw_misc_info.flags1 |= MD_MISCINFO_FLAGS1_PROCESS_TIMES; + google_breakpad::TestMinidumpMiscInfo dump_misc_info(raw_misc_info); + EXPECT_CALL(dump, GetMiscInfo()).WillRepeatedly(Return(&dump_misc_info)); + + // No threads + MockMinidumpThreadList thread_list; + EXPECT_CALL(dump, GetThreadList()).WillOnce(Return(&thread_list)); + EXPECT_CALL(thread_list, thread_count()).WillRepeatedly(Return(0)); + + MinidumpProcessor processor(reinterpret_cast<SymbolSupplier*>(NULL), NULL); + ProcessState state; + EXPECT_EQ(google_breakpad::PROCESS_OK, processor.Process(&dump, &state)); + + // Verify the time stamps. + ASSERT_EQ(kTimeDateStamp, state.time_date_stamp()); + ASSERT_EQ(kProcessCreateTime, state.process_create_time()); +} + +TEST_F(MinidumpProcessorTest, TestThreadMissingContext) { + MockMinidump dump; + EXPECT_CALL(dump, path()).WillRepeatedly(Return("mock minidump")); + EXPECT_CALL(dump, Read()).WillRepeatedly(Return(true)); + + MDRawHeader fake_header; + fake_header.time_date_stamp = 0; + EXPECT_CALL(dump, header()).WillRepeatedly(Return(&fake_header)); + + MDRawSystemInfo raw_system_info; + memset(&raw_system_info, 0, sizeof(raw_system_info)); + raw_system_info.processor_architecture = MD_CPU_ARCHITECTURE_X86; + raw_system_info.platform_id = MD_OS_WIN32_NT; + TestMinidumpSystemInfo dump_system_info(raw_system_info); + + EXPECT_CALL(dump, GetSystemInfo()). + WillRepeatedly(Return(&dump_system_info)); + + MockMinidumpThreadList thread_list; + EXPECT_CALL(dump, GetThreadList()). + WillOnce(Return(&thread_list)); + + MockMinidumpMemoryList memory_list; + EXPECT_CALL(dump, GetMemoryList()). + WillOnce(Return(&memory_list)); + + // Return a thread missing a thread context. + MockMinidumpThread no_context_thread; + EXPECT_CALL(no_context_thread, GetThreadID(_)). + WillRepeatedly(DoAll(SetArgumentPointee<0>(1), + Return(true))); + EXPECT_CALL(no_context_thread, GetContext()). + WillRepeatedly(Return(reinterpret_cast<MinidumpContext*>(NULL))); + + // The memory contents don't really matter here, since it won't be used. + MockMinidumpMemoryRegion no_context_thread_memory(0x1234, "xxx"); + EXPECT_CALL(no_context_thread, GetMemory()). + WillRepeatedly(Return(&no_context_thread_memory)); + EXPECT_CALL(no_context_thread, GetStartOfStackMemoryRange()). + Times(0); + EXPECT_CALL(memory_list, GetMemoryRegionForAddress(_)). + Times(0); + + EXPECT_CALL(thread_list, thread_count()). + WillRepeatedly(Return(1)); + EXPECT_CALL(thread_list, GetThreadAtIndex(0)). + WillOnce(Return(&no_context_thread)); + + MinidumpProcessor processor(reinterpret_cast<SymbolSupplier*>(NULL), NULL); + ProcessState state; + EXPECT_EQ(processor.Process(&dump, &state), + google_breakpad::PROCESS_OK); + + // Should have a single thread with zero frames. + ASSERT_EQ(1U, state.threads()->size()); + ASSERT_EQ(0U, state.threads()->at(0)->frames()->size()); +} + +TEST_F(MinidumpProcessorTest, Test32BitCrashingAddress) { + TestSymbolSupplier supplier; + BasicSourceLineResolver resolver; + MinidumpProcessor processor(&supplier, &resolver); + + string minidump_file = GetTestDataPath() + "minidump_32bit_crash_addr.dmp"; + + ProcessState state; + ASSERT_EQ(processor.Process(minidump_file, &state), + google_breakpad::PROCESS_OK); + ASSERT_EQ(state.system_info()->os, kSystemInfoOS); + ASSERT_EQ(state.system_info()->os_short, kSystemInfoOSShort); + ASSERT_EQ(state.system_info()->os_version, kSystemInfoOSVersion); + ASSERT_EQ(state.system_info()->cpu, kSystemInfoCPU); + ASSERT_EQ(state.system_info()->cpu_info, kSystemInfoCPUInfo); + ASSERT_TRUE(state.crashed()); + ASSERT_EQ(state.crash_reason(), "EXCEPTION_ACCESS_VIOLATION_WRITE"); + ASSERT_EQ(state.crash_address(), 0x45U); +} + +TEST_F(MinidumpProcessorTest, TestXStateAmd64ContextMinidump) { + // This tests if we can passively process a minidump with cet registers in its + // context. Dump is captured from a toy executable and is readable by windbg. + MinidumpProcessor processor(nullptr, nullptr /*&supplier, &resolver*/); + + string minidump_file = GetTestDataPath() + + "tiny-exe-with-cet-xsave.dmp"; + + ProcessState state; + ASSERT_EQ(processor.Process(minidump_file, &state), + google_breakpad::PROCESS_OK); + ASSERT_EQ(state.system_info()->os, "Windows NT"); + ASSERT_EQ(state.system_info()->os_version, "10.0.22000 282"); + ASSERT_EQ(state.system_info()->cpu, "amd64"); + ASSERT_EQ(state.system_info()->cpu_info, + "family 6 model 140 stepping 1"); + ASSERT_FALSE(state.crashed()); + ASSERT_EQ(state.threads()->size(), size_t(1)); + + // TODO: verify cetumsr and cetussp once these are supported by + // breakpad. +} + +TEST_F(MinidumpProcessorTest, TestFastFailException) { + // This tests if we can understand fastfail exception subcodes. + // Dump is captured from a toy executable and is readable by windbg. + MinidumpProcessor processor(nullptr, nullptr /*&supplier, &resolver*/); + + string minidump_file = GetTestDataPath() + + "tiny-exe-fastfail.dmp"; + + ProcessState state; + ASSERT_EQ(processor.Process(minidump_file, &state), + google_breakpad::PROCESS_OK); + ASSERT_TRUE(state.crashed()); + ASSERT_EQ(state.threads()->size(), size_t(4)); + ASSERT_EQ(state.crash_reason(), "FAST_FAIL_FATAL_APP_EXIT"); +} + +#ifdef __linux__ +TEST_F(MinidumpProcessorTest, TestNonCanonicalAddress) { + // This tests if we can correctly fixup non-canonical address GPF fault + // addresses. + // Dump is captured from a toy executable and is readable by windbg. + MinidumpProcessor processor(nullptr, nullptr /*&supplier, &resolver*/); + processor.set_enable_objdump(true); + + string minidump_file = GetTestDataPath() + + "write_av_non_canonical.dmp"; + + ProcessState state; + ASSERT_EQ(processor.Process(minidump_file, &state), + google_breakpad::PROCESS_OK); + ASSERT_TRUE(state.crashed()); + ASSERT_EQ(state.crash_address(), 0xfefefefefefefefeU); +} +#endif // __linux__ + +} // namespace + +int main(int argc, char* argv[]) { + ::testing::InitGoogleTest(&argc, argv); + return RUN_ALL_TESTS(); +} |