Merge "Disable scudo when using svelte config." am: be17619ccc am: f67a8e617f (fea949af) · Commits · e / os / android_system_core

debuggerd/Android.bp

+7 −9

Original line number	Diff line number	Diff line
		@@ -180,7 +180,6 @@ cc_library_static {
		"libdebuggerd/backtrace.cpp",
		"libdebuggerd/gwp_asan.cpp",
		"libdebuggerd/open_files_list.cpp",
		"libdebuggerd/scudo.cpp",
		"libdebuggerd/tombstone.cpp",
		"libdebuggerd/tombstone_proto.cpp",
		"libdebuggerd/tombstone_proto_to_text.cpp",
		@@ -193,9 +192,6 @@ cc_library_static {
		include_dirs: [
		// Needed for private/bionic_fdsan.h
		"bionic/libc",

		// Needed for scudo/interface.h
		"external/scudo/standalone/include",
		],
		header_libs: [
		"bionic_libc_platform_headers",
		@@ -217,7 +213,6 @@ cc_library_static {
		whole_static_libs: [
		"libasync_safe",
		"gwp_asan_crash_handler",
		"libscudo",
		"libtombstone_proto",
		"libprocinfo",
		"libprotobuf-cpp-lite",
		@@ -246,6 +241,13 @@ cc_library_static {
		debuggable: {
		cflags: ["-DROOT_POSSIBLE"],
		},

		malloc_not_svelte: {
		cflags: ["-DUSE_SCUDO"],
		whole_static_libs: ["libscudo"],
		srcs: ["libdebuggerd/scudo.cpp"],
		header_libs: ["scudo_headers"],
		},
		},
		}

		@@ -316,10 +318,6 @@ cc_test {
		"gwp_asan_headers",
		],

		include_dirs: [
		"external/scudo/standalone/include",
		],

		local_include_dirs: [
		"libdebuggerd",
		],

debuggerd/libdebuggerd/tombstone.cpp

+32 −23

Original line number	Diff line number	Diff line
		@@ -57,10 +57,13 @@
		#include "libdebuggerd/backtrace.h"
		#include "libdebuggerd/gwp_asan.h"
		#include "libdebuggerd/open_files_list.h"
		#include "libdebuggerd/scudo.h"
		#include "libdebuggerd/utility.h"
		#include "util.h"

		#if defined(USE_SCUDO)
		#include "libdebuggerd/scudo.h"
		#endif

		#include "gwp_asan/common.h"
		#include "gwp_asan/crash_handler.h"

		@@ -115,8 +118,26 @@ static std::string get_stack_overflow_cause(uint64_t fault_addr, uint64_t sp,
		return "";
		}

		static void dump_probable_cause(log_t* log, const siginfo_t* si, unwindstack::Maps* maps,
		unwindstack::Regs* regs) {
		static void dump_probable_cause(log_t* log, unwindstack::Unwinder* unwinder,
		const ProcessInfo& process_info, const ThreadInfo& main_thread) {
		#if defined(USE_SCUDO)
		ScudoCrashData scudo_crash_data(unwinder->GetProcessMemory().get(), process_info);
		if (scudo_crash_data.CrashIsMine()) {
		scudo_crash_data.DumpCause(log, unwinder);
		return;
		}
		#endif

		GwpAsanCrashData gwp_asan_crash_data(unwinder->GetProcessMemory().get(), process_info,
		main_thread);
		if (gwp_asan_crash_data.CrashIsMine()) {
		gwp_asan_crash_data.DumpCause(log);
		return;
		}

		unwindstack::Maps* maps = unwinder->GetMaps();
		unwindstack::Regs* regs = main_thread.registers.get();
		const siginfo_t* si = main_thread.siginfo;
		std::string cause;
		if (si->si_signo == SIGSEGV && si->si_code == SEGV_MAPERR) {
		if (si->si_addr < reinterpret_cast<void*>(4096)) {
		@@ -395,22 +416,9 @@ static bool dump_thread(log_t* log, unwindstack::Unwinder* unwinder, const Threa
		dump_signal_info(log, thread_info, process_info, unwinder->GetProcessMemory().get());
		}

		std::unique_ptr<GwpAsanCrashData> gwp_asan_crash_data;
		std::unique_ptr<ScudoCrashData> scudo_crash_data;
		if (primary_thread) {
		gwp_asan_crash_data = std::make_unique<GwpAsanCrashData>(unwinder->GetProcessMemory().get(),
		process_info, thread_info);
		scudo_crash_data =
		std::make_unique<ScudoCrashData>(unwinder->GetProcessMemory().get(), process_info);
		}
		dump_probable_cause(log, unwinder, process_info, thread_info);

		if (primary_thread && gwp_asan_crash_data->CrashIsMine()) {
		gwp_asan_crash_data->DumpCause(log);
		} else if (thread_info.siginfo && !(primary_thread && scudo_crash_data->CrashIsMine())) {
		dump_probable_cause(log, thread_info.siginfo, unwinder->GetMaps(), thread_info.registers.get());
		}

		if (primary_thread) {
		dump_abort_message(log, unwinder->GetProcessMemory().get(), process_info.abort_msg_address);
		}

		@@ -432,15 +440,16 @@ static bool dump_thread(log_t* log, unwindstack::Unwinder* unwinder, const Threa
		}

		if (primary_thread) {
		if (gwp_asan_crash_data->HasDeallocationTrace()) {
		gwp_asan_crash_data->DumpDeallocationTrace(log, unwinder);
		}
		GwpAsanCrashData gwp_asan_crash_data(unwinder->GetProcessMemory().get(), process_info,
		thread_info);

		if (gwp_asan_crash_data->HasAllocationTrace()) {
		gwp_asan_crash_data->DumpAllocationTrace(log, unwinder);
		if (gwp_asan_crash_data.HasDeallocationTrace()) {
		gwp_asan_crash_data.DumpDeallocationTrace(log, unwinder);
		}

		scudo_crash_data->DumpCause(log, unwinder);
		if (gwp_asan_crash_data.HasAllocationTrace()) {
		gwp_asan_crash_data.DumpAllocationTrace(log, unwinder);
		}

		unwindstack::Maps* maps = unwinder->GetMaps();
		dump_memory_and_code(log, maps, unwinder->GetProcessMemory().get(),

debuggerd/libdebuggerd/tombstone_proto.cpp

+4 −0

Original line number	Diff line number	Diff line
		@@ -18,7 +18,9 @@

		#include "libdebuggerd/tombstone.h"
		#include "libdebuggerd/gwp_asan.h"
		#if defined(USE_SCUDO)
		#include "libdebuggerd/scudo.h"
		#endif

		#include <errno.h>
		#include <fcntl.h>
		@@ -186,11 +188,13 @@ void set_human_readable_cause(Cause* cause, uint64_t fault_addr) {

		static void dump_probable_cause(Tombstone* tombstone, unwindstack::Unwinder* unwinder,
		const ProcessInfo& process_info, const ThreadInfo& main_thread) {
		#if defined(USE_SCUDO)
		ScudoCrashData scudo_crash_data(unwinder->GetProcessMemory().get(), process_info);
		if (scudo_crash_data.CrashIsMine()) {
		scudo_crash_data.AddCauseProtos(tombstone, unwinder);
		return;
		}
		#endif

		GwpAsanCrashData gwp_asan_crash_data(unwinder->GetProcessMemory().get(), process_info,
		main_thread);