Esempio n. 1
1
    def test_addr2line_complex_method(self):
        syms = addr2line("complex", int("0xffff", 16), "debug")
        self.assertEqual(len(syms), 2)

        n, f, l = syms.pop()
        self.assertEqual(n, "_ZN7WebCore13StorageThread16threadEntryPointEv")
        self.assertEqual(f, "Source/WTF/wtf/MessageQueue.h")
        self.assertEqual(l, 131)

        n, f, l = syms.pop()
        self.assertEqual(
            n,
            "waitForMessageFilteredWithTimeout<WTF::MessageQueue<DataType>::waitForMessage() "
            "[with DataType = WTF::Function<void()>]::__lambda0>")
        self.assertEqual(f, "Source/WTF/wtf/MessageQueue.c")
        self.assertEqual(l, 1234)
Esempio n. 2
0
    def test_addr2line_complex_method(self):
        syms = addr2line("complex", int("0xffff", 16), "debug")
        self.assertEqual(len(syms), 2)

        n, f, l = syms.pop()
        self.assertEqual(n, "_ZN7WebCore13StorageThread16threadEntryPointEv")
        self.assertEqual(f, "Source/WTF/wtf/MessageQueue.h")
        self.assertEqual(l, 131)

        n, f, l = syms.pop()
        self.assertEqual(n, "waitForMessageFilteredWithTimeout<WTF::MessageQueue<DataType>::waitForMessage() "
                         "[with DataType = WTF::Function<void()>]::__lambda0>")
        self.assertEqual(f, "Source/WTF/wtf/MessageQueue.c")
        self.assertEqual(l, 1234)
Esempio n. 3
0
    def retrace(self, db, task):
        new_symbols = {}
        new_symbolsources = {}

        debug_paths = set(os.path.join(task.debuginfo.unpacked_path, fname[1:])
                          for fname in task.debuginfo.debug_files)
        if task.debuginfo.debug_files is not None:
            db_debug_pkg = task.debuginfo.db_package
            if db_debug_pkg.has_lob("offset_map"):
                with db_debug_pkg.get_lob_fd("offset_map") as fd:
                    offset_map = pickle.load(fd)
            else:
                offset_map = get_function_offset_map(debug_paths)
                db_debug_pkg.save_lob("offset_map", pickle.dumps(offset_map))
        else:
            offset_map = {}

        for bin_pkg, db_ssources in task.binary_packages.items():
            i = 0
            for db_ssource in db_ssources:
                i += 1
                module = db_ssource.path
                self.log_info(u"[{0} / {1}] Processing '{2}' @ '{3}'"
                              .format(i, len(db_ssources),
                                      db_ssource.symbol.name, module))

                if db_ssource.path == "vmlinux":
                    address = db_ssource.offset
                    if address < 0:
                        address += (1 << 64)
                else:
                    if module not in offset_map:
                        self.log_debug("Module '{0}' not found in package '{1}'"
                                       .format(module, task.debuginfo.nvra))
                        db_ssource.retrace_fail_count += 1
                        continue

                    module_map = offset_map[module]

                    symbol_name = db_ssource.symbol.name
                    if symbol_name not in module_map:
                        symbol_name = symbol_name.lstrip("_")

                    if symbol_name not in module_map:
                        self.log_debug("Function '{0}' not found in module "
                                       "'{1}'".format(db_ssource.symbol.name,
                                                      module))
                        db_ssource.retrace_fail_count += 1
                        continue

                    address = module_map[symbol_name] + db_ssource.func_offset

                debug_dir = os.path.join(task.debuginfo.unpacked_path,
                                         "usr", "lib", "debug")
                debug_path = self._get_debug_path(db, module,
                                                  task.debuginfo.db_package)
                if debug_path is None:
                    db_ssource.retrace_fail_count += 1
                    continue

                try:
                    abspath = os.path.join(task.debuginfo.unpacked_path,
                                           debug_path[1:])
                    results = addr2line(abspath, address, debug_dir)
                    results.reverse()
                except FafError as ex:
                    self.log_debug("addr2line failed: {0}".format(str(ex)))
                    db_ssource.retrace_fail_count += 1
                    continue

                inl_id = 0
                while len(results) > 1:
                    inl_id += 1

                    funcname, srcfile, srcline = results.pop()
                    self.log_debug("Unwinding inlined function '{0}'"
                                   .format(funcname))
                    # hack - we have no offset for inlined symbols
                    # let's use minus source line to avoid collisions
                    offset = -srcline

                    db_ssource_inl = get_ssource_by_bpo(db, db_ssource.build_id,
                                                        db_ssource.path, offset)
                    if db_ssource_inl is None:
                        key = (db_ssource.build_id, db_ssource.path, offset)
                        if key in new_symbolsources:
                            db_ssource_inl = new_symbolsources[key]
                        else:
                            db_symbol_inl = get_symbol_by_name_path(db,
                                                                    funcname,
                                                                    module)

                            if db_symbol_inl is None:
                                sym_key = (funcname, module)
                                if sym_key in new_symbols:
                                    db_symbol_inl = new_symbols[sym_key]
                                else:
                                    db_symbol_inl = Symbol()
                                    db_symbol_inl.name = funcname
                                    db_symbol_inl.normalized_path = module
                                    db.session.add(db_symbol_inl)
                                    new_symbols[sym_key] = db_symbol_inl

                            db_ssource_inl = SymbolSource()
                            db_ssource_inl.symbol = db_symbol_inl
                            db_ssource_inl.build_id = db_ssource.build_id
                            db_ssource_inl.path = module
                            db_ssource_inl.offset = offset
                            db_ssource_inl.source_path = srcfile
                            db_ssource_inl.line_number = srcline
                            db.session.add(db_ssource_inl)
                            new_symbolsources[key] = db_ssource_inl

                    for db_frame in db_ssource.frames:
                        db_frames = sorted(db_frame.thread.frames,
                                           key=lambda f: f.order)
                        idx = db_frames.index(db_frame)
                        if idx > 0:
                            prevframe = db_frame.thread.frames[idx - 1]
                            if (prevframe.inlined and
                                prevframe.symbolsource == db_ssource_inl):
                                continue

                        db_newframe = ReportBtFrame()
                        db_newframe.symbolsource = db_ssource_inl
                        db_newframe.thread = db_frame.thread
                        db_newframe.inlined = True
                        db_newframe.order = db_frame.order - inl_id
                        db.session.add(db_newframe)

                funcname, srcfile, srcline = results.pop()
                self.log_debug("Result: {0}".format(funcname))
                db_symbol = get_symbol_by_name_path(db, funcname, module)
                if db_symbol is None:
                    key = (funcname, module)
                    if key in new_symbols:
                        db_symbol = new_symbols[key]
                    else:
                        self.log_debug("Creating new symbol '{0}' @ '{1}'"
                                       .format(funcname, module))
                        db_symbol = Symbol()
                        db_symbol.name = funcname
                        db_symbol.normalized_path = module
                        db.session.add(db_symbol)

                        new_symbols[key] = db_symbol

                if db_symbol.nice_name is None:
                    db_symbol.nice_name = demangle(funcname)

                db_ssource.symbol = db_symbol
                db_ssource.source_path = srcfile
                db_ssource.line_number = srcline

        if task.debuginfo is not None:
            self.log_debug("Removing {0}".format(task.debuginfo.unpacked_path))
            shutil.rmtree(task.debuginfo.unpacked_path, ignore_errors=True)

        if task.source is not None and task.source.unpacked_path is not None:
            self.log_debug("Removing {0}".format(task.source.unpacked_path))
            shutil.rmtree(task.source.unpacked_path, ignore_errors=True)
Esempio n. 4
0
    def test_addr2line_unknown_method(self):
        n, f, l = addr2line("last_chance", int("0x3", 16), "debug")[0]
        self.assertEqual(n, "last_chance")
        self.assertEqual(f, "last_chance.c")
        self.assertEqual(l, 2)

        n, f, l = addr2line("last_chance", int("0xf", 16), "debug")[0]
        self.assertEqual(n, "last_chance")
        self.assertEqual(f, "last_chance.c")
        self.assertEqual(l, 2)

        n, f, l = addr2line("third_full", int("0xf", 16), "debug")[0]
        self.assertEqual(n, "third_full")
        self.assertEqual(f, "third_full.c")
        self.assertEqual(l, 13)

        with self.assertRaises(FafError) as cm:
            addr2line("last_chance", 0, "debug")[0]
        self.assertEqual(str(cm.exception),
                        "eu-addr2line cannot find function name")

        with self.assertRaises(FafError) as cm:
            addr2line("last_chance", int("0x10", 16), "debug")[0]
        self.assertEqual(str(cm.exception),
                        "eu-addr2line cannot find function name")

        with self.assertRaises(FafError) as cm:
            addr2line("other_source", int("0xf", 16), "debug")[0]
        self.assertEqual(str(cm.exception),
                        "eu-addr2line cannot find function name")

        with self.assertRaises(FafError) as cm:
            addr2line("other_line", int("0xf", 16), "debug")[0]
        self.assertEqual(str(cm.exception),
                        "eu-addr2line cannot find function name")
Esempio n. 5
0
File: core.py Progetto: trams/faf
    def retrace(self, db, task):
        new_symbols = {}
        new_symbolsources = {}

        for bin_pkg, db_ssources in task.binary_packages.items():
            self.log_info("Retracing symbols from package {0}"
                          .format(bin_pkg.nvra))

            i = 0
            for db_ssource in db_ssources:
                i += 1

                self.log_debug("[{0} / {1}] Processing '{2}' @ '{3}'"
                               .format(i, len(db_ssources),
                                       ssource2funcname(db_ssource),
                                       db_ssource.path))

                norm_path = get_libname(db_ssource.path)
                binary = os.path.join(bin_pkg.unpacked_path,
                                      db_ssource.path[1:])

                try:
                    address = get_base_address(binary) + db_ssource.offset
                except FafError as ex:
                    self.log_debug("get_base_address failed: {0}"
                                   .format(str(ex)))
                    continue

                try:
                    debug_path = os.path.join(task.debuginfo.unpacked_path,
                                              "usr", "lib", "debug")
                    results = addr2line(binary, address, debug_path)
                    results.reverse()
                except Exception as ex:
                    self.log_debug("addr2line failed: {0}".format(str(ex)))
                    continue

                inl_id = 0
                while len(results) > 1:
                    inl_id += 1

                    funcname, srcfile, srcline = results.pop()
                    self.log_debug("Unwinding inlined function '{0}'"
                                   .format(funcname))
                    # hack - we have no offset for inlined symbols
                    # let's use minus source line to avoid collisions
                    offset = -srcline

                    db_ssource_inl = get_ssource_by_bpo(db, db_ssource.build_id,
                                                        db_ssource.path, offset)
                    if db_ssource_inl is None:
                        key = (db_ssource.build_id, db_ssource.path, offset)
                        if key in new_symbolsources:
                            db_ssource_inl = new_symbolsources[key]
                        else:
                            db_symbol_inl = get_symbol_by_name_path(db,
                                                                    funcname,
                                                                    norm_path)
                            if db_symbol_inl is None:
                                sym_key = (funcname, norm_path)
                                if sym_key in new_symbols:
                                    db_symbol_inl = new_symbols[sym_key]
                                else:
                                    db_symbol_inl = Symbol()
                                    db_symbol_inl.name = funcname
                                    db_symbol_inl.normalized_path = norm_path
                                    db.session.add(db_symbol_inl)
                                    new_symbols[sym_key] = db_symbol_inl

                            db_ssource_inl = SymbolSource()
                            db_ssource_inl.symbol = db_symbol_inl
                            db_ssource_inl.build_id = db_ssource.build_id
                            db_ssource_inl.path = db_ssource.path
                            db_ssource_inl.offset = offset
                            db_ssource_inl.source_path = srcfile
                            db_ssource_inl.line_number = srcline
                            db.session.add(db_ssource_inl)
                            new_symbolsources[key] = db_ssource_inl

                    for db_frame in db_ssource.frames:
                        db_frames = sorted(db_frame.thread.frames,
                                           key=lambda f: f.order)
                        idx = db_frames.index(db_frame)
                        if idx > 0:
                            prevframe = db_frame.thread.frames[idx - 1]
                            if (prevframe.inlined and
                                prevframe.symbolsource == db_ssource_inl):
                                continue

                        db_newframe = ReportBtFrame()
                        db_newframe.symbolsource = db_ssource_inl
                        db_newframe.thread = db_frame.thread
                        db_newframe.inlined = True
                        db_newframe.order = db_frame.order - inl_id
                        db.session.add(db_newframe)

                funcname, srcfile, srcline = results.pop()
                self.log_debug("Result: {0}".format(funcname))
                db_symbol = get_symbol_by_name_path(db, funcname, norm_path)
                if db_symbol is None:
                    key = (funcname, norm_path)
                    if key in new_symbols:
                        db_symbol = new_symbols[key]
                    else:
                        self.log_debug("Creating new symbol '{0}' @ '{1}'"
                                       .format(funcname, db_ssource.path))
                        db_symbol = Symbol()
                        db_symbol.name = funcname
                        db_symbol.normalized_path = norm_path
                        db.session.add(db_symbol)

                        new_symbols[key] = db_symbol

                if db_symbol.nice_name is None:
                    db_symbol.nice_name = demangle(funcname)

                db_ssource.symbol = db_symbol
                db_ssource.source_path = srcfile
                db_ssource.line_number = srcline

        if task.debuginfo.unpacked_path is not None:
            self.log_debug("Removing {0}".format(task.debuginfo.unpacked_path))
            shutil.rmtree(task.debuginfo.unpacked_path, ignore_errors=True)

        if task.source is not None and task.source.unpacked_path is not None:
            self.log_debug("Removing {0}".format(task.source.unpacked_path))
            shutil.rmtree(task.source.unpacked_path, ignore_errors=True)

        for bin_pkg in task.binary_packages.keys():
            if bin_pkg.unpacked_path is not None:
                self.log_debug("Removing {0}".format(bin_pkg.unpacked_path))
                shutil.rmtree(bin_pkg.unpacked_path, ignore_errors=True)
Esempio n. 6
0
    def test_addr2line_unknown_method(self):
        n, f, l = addr2line("last_chance", int("0x3", 16), "debug")[0]
        self.assertEqual(n, "last_chance")
        self.assertEqual(f, "last_chance.c")
        self.assertEqual(l, 2)

        n, f, l = addr2line("last_chance", int("0xf", 16), "debug")[0]
        self.assertEqual(n, "last_chance")
        self.assertEqual(f, "last_chance.c")
        self.assertEqual(l, 2)

        n, f, l = addr2line("third_full", int("0xf", 16), "debug")[0]
        self.assertEqual(n, "third_full")
        self.assertEqual(f, "third_full.c")
        self.assertEqual(l, 13)

        with self.assertRaises(FafError) as cm:
            addr2line("last_chance", 0, "debug")[0]
        self.assertEqual(str(cm.exception),
                         "eu-addr2line cannot find function name")

        with self.assertRaises(FafError) as cm:
            addr2line("last_chance", int("0x10", 16), "debug")[0]
        self.assertEqual(str(cm.exception),
                         "eu-addr2line cannot find function name")

        with self.assertRaises(FafError) as cm:
            addr2line("other_source", int("0xf", 16), "debug")[0]
        self.assertEqual(str(cm.exception),
                         "eu-addr2line cannot find function name")

        with self.assertRaises(FafError) as cm:
            addr2line("other_line", int("0xf", 16), "debug")[0]
        self.assertEqual(str(cm.exception),
                         "eu-addr2line cannot find function name")
Esempio n. 7
0
    def retrace(self, db, task):
        new_symbols = {}
        new_symbolsources = {}

        for bin_pkg, db_ssources in task.binary_packages.items():
            self.log_info("Retracing symbols from package {0}".format(
                bin_pkg.nvra))

            i = 0
            for db_ssource in db_ssources:
                i += 1

                self.log_debug("[%d / %d] Processing '%s' @ '%s'", i,
                               len(db_ssources), ssource2funcname(db_ssource),
                               db_ssource.path)

                norm_path = get_libname(db_ssource.path)

                if bin_pkg.unpacked_path is None:
                    self.log_debug(
                        "fail: path to unpacked binary package not found")
                    db_ssource.retrace_fail_count += 1
                    continue

                binary = os.path.join(bin_pkg.unpacked_path,
                                      db_ssource.path[1:])

                try:
                    address = get_base_address(binary) + db_ssource.offset
                except FafError as ex:
                    self.log_debug("get_base_address failed: %s", str(ex))
                    db_ssource.retrace_fail_count += 1
                    continue

                try:
                    debug_path = os.path.join(task.debuginfo.unpacked_path,
                                              "usr", "lib", "debug")
                    results = addr2line(binary, address, debug_path)
                    results.reverse()
                except Exception as ex:  # pylint: disable=broad-except
                    self.log_debug("addr2line failed: %s", str(ex))
                    db_ssource.retrace_fail_count += 1
                    continue

                inl_id = 0
                while len(results) > 1:
                    inl_id += 1

                    funcname, srcfile, srcline = results.pop()
                    self.log_debug("Unwinding inlined function '%s'", funcname)
                    # hack - we have no offset for inlined symbols
                    # let's use minus source line to avoid collisions
                    offset = -srcline

                    db_ssource_inl = get_ssource_by_bpo(
                        db, db_ssource.build_id, db_ssource.path, offset)
                    if db_ssource_inl is None:
                        key = (db_ssource.build_id, db_ssource.path, offset)
                        if key in new_symbolsources:
                            db_ssource_inl = new_symbolsources[key]
                        else:
                            db_symbol_inl = get_symbol_by_name_path(
                                db, funcname, norm_path)
                            if db_symbol_inl is None:
                                sym_key = (funcname, norm_path)
                                if sym_key in new_symbols:
                                    db_symbol_inl = new_symbols[sym_key]
                                else:
                                    db_symbol_inl = Symbol()
                                    db_symbol_inl.name = funcname
                                    db_symbol_inl.normalized_path = norm_path
                                    db.session.add(db_symbol_inl)
                                    new_symbols[sym_key] = db_symbol_inl

                            db_ssource_inl = SymbolSource()
                            db_ssource_inl.symbol = db_symbol_inl
                            db_ssource_inl.build_id = db_ssource.build_id
                            db_ssource_inl.path = db_ssource.path
                            db_ssource_inl.offset = offset
                            db_ssource_inl.source_path = srcfile
                            db_ssource_inl.line_number = srcline
                            db.session.add(db_ssource_inl)
                            new_symbolsources[key] = db_ssource_inl

                    for db_frame in db_ssource.frames:
                        db_frames = sorted(db_frame.thread.frames,
                                           key=lambda f: f.order)
                        idx = db_frames.index(db_frame)
                        if idx > 0:
                            prevframe = db_frame.thread.frames[idx - 1]
                            if (prevframe.inlined and prevframe.symbolsource
                                    == db_ssource_inl):

                                continue

                        db_newframe = ReportBtFrame()
                        db_newframe.symbolsource = db_ssource_inl
                        db_newframe.thread = db_frame.thread
                        db_newframe.inlined = True
                        db_newframe.order = db_frame.order - inl_id
                        db.session.add(db_newframe)

                funcname, srcfile, srcline = results.pop()
                self.log_debug("Result: %s", funcname)
                db_symbol = get_symbol_by_name_path(db, funcname, norm_path)
                if db_symbol is None:
                    key = (funcname, norm_path)
                    if key in new_symbols:
                        db_symbol = new_symbols[key]
                    else:
                        self.log_debug("Creating new symbol '%s' @ '%s'",
                                       funcname, db_ssource.path)
                        db_symbol = Symbol()
                        db_symbol.name = funcname
                        db_symbol.normalized_path = norm_path
                        db.session.add(db_symbol)

                        new_symbols[key] = db_symbol

                if db_symbol.nice_name is None:
                    db_symbol.nice_name = demangle(funcname)

                db_ssource.symbol = db_symbol
                db_ssource.source_path = srcfile
                db_ssource.line_number = srcline

        if task.debuginfo.unpacked_path is not None:
            self.log_debug("Removing %s", task.debuginfo.unpacked_path)
            shutil.rmtree(task.debuginfo.unpacked_path, ignore_errors=True)

        if task.source is not None and task.source.unpacked_path is not None:
            self.log_debug("Removing %s", task.source.unpacked_path)
            shutil.rmtree(task.source.unpacked_path, ignore_errors=True)

        for bin_pkg in task.binary_packages.keys():
            if bin_pkg.unpacked_path is not None:
                self.log_debug("Removing %s", bin_pkg.unpacked_path)
                shutil.rmtree(bin_pkg.unpacked_path, ignore_errors=True)