Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use parse method of symbolizer Package

Best Syzkaller code snippet using symbolizer.parse

linux_test.go

Source:linux_test.go

1// Copyright 2015 syzkaller project authors. All rights reserved.2// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.3package report4import (5	"fmt"6	"testing"7	"github.com/google/syzkaller/pkg/mgrconfig"8	"github.com/google/syzkaller/pkg/symbolizer"9)10func TestLinuxIgnores(t *testing.T) {11	cfg := &mgrconfig.Config{12		TargetOS:   "linux",13		TargetArch: "amd64",14	}15	reporter, err := NewReporter(cfg)16	if err != nil {17		t.Fatal(err)18	}19	cfg.Ignores = []string{"BUG: bug3"}20	reporter1, err := NewReporter(cfg)21	if err != nil {22		t.Fatal(err)23	}24	cfg.Ignores = []string{"BUG: bug3", "BUG: bug1"}25	reporter2, err := NewReporter(cfg)26	if err != nil {27		t.Fatal(err)28	}29	cfg.Ignores = []string{"BUG: bug3", "BUG: bug1", "BUG: bug2"}30	reporter3, err := NewReporter(cfg)31	if err != nil {32		t.Fatal(err)33	}34	const log = `35[    0.000000] BUG: bug136[    0.000000] BUG: bug237	`38	if !reporter.ContainsCrash([]byte(log)) {39		t.Fatalf("no crash")40	}41	if rep := reporter.Parse([]byte(log)); rep.Title != "BUG: bug1" {42		t.Fatalf("want `BUG: bug1`, found `%v`", rep.Title)43	}44	if !reporter1.ContainsCrash([]byte(log)) {45		t.Fatalf("no crash")46	}47	if rep := reporter1.Parse([]byte(log)); rep.Title != "BUG: bug1" {48		t.Fatalf("want `BUG: bug1`, found `%v`", rep.Title)49	}50	if !reporter2.ContainsCrash([]byte(log)) {51		t.Fatalf("no crash")52	}53	if rep := reporter2.Parse([]byte(log)); rep.Title != "BUG: bug2" {54		t.Fatalf("want `BUG: bug2`, found `%v`", rep.Title)55	}56	if reporter3.ContainsCrash([]byte(log)) {57		t.Fatalf("found crash, should be ignored")58	}59	if rep := reporter3.Parse([]byte(log)); rep != nil {60		t.Fatalf("found `%v`, should be ignored", rep.Title)61	}62}63func TestLinuxSymbolizeLine(t *testing.T) {64	tests := []struct {65		line   string66		result string67	}{68		// Normal symbolization.69		{70			"[ 2713.153531]  [<ffffffff82d1b1d9>] foo+0x101/0x185\n",71			"[ 2713.153531]  [<ffffffff82d1b1d9>] foo+0x101/0x185 foo.c:555\n",72		},73		{74			"RIP: 0010:[<ffffffff8188c0e6>]  [<ffffffff8188c0e6>]  foo+0x101/0x185\n",75			"RIP: 0010:[<ffffffff8188c0e6>]  [<ffffffff8188c0e6>]  foo+0x101/0x185 foo.c:550\n",76		},77		// Strip "./" file prefix.78		{79			"[ 2713.153531]  [<ffffffff82d1b1d9>] foo+0x111/0x185\n",80			"[ 2713.153531]  [<ffffffff82d1b1d9>] foo+0x111/0x185 foo.h:111\n",81		},82		// Needs symbolization, but symbolizer returns nothing.83		{84			"[ 2713.153531]  [<ffffffff82d1b1d9>] foo+0x121/0x185\n",85			"[ 2713.153531]  [<ffffffff82d1b1d9>] foo+0x121/0x185\n",86		},87		// Needs symbolization, but symbolizer returns error.88		{89			"[ 2713.153531]  [<ffffffff82d1b1d9>] foo+0x131/0x185\n",90			"[ 2713.153531]  [<ffffffff82d1b1d9>] foo+0x131/0x185\n",91		},92		// Needs symbolization, but symbol is missing.93		{94			"[ 2713.153531]  [<ffffffff82d1b1d9>] bar+0x131/0x185\n",95			"[ 2713.153531]  [<ffffffff82d1b1d9>] bar+0x131/0x185\n",96		},97		// Bad offset.98		{99			"[ 2713.153531]  [<ffffffff82d1b1d9>] bar+0xffffffffffffffffffff/0x185\n",100			"[ 2713.153531]  [<ffffffff82d1b1d9>] bar+0xffffffffffffffffffff/0x185\n",101		},102		// Should not be symbolized.103		{104			"WARNING: CPU: 2 PID: 2636 at ipc/shm.c:162 foo+0x101/0x185\n",105			"WARNING: CPU: 2 PID: 2636 at ipc/shm.c:162 foo+0x101/0x185 foo.c:555\n",106		},107		// Tricky function name.108		{109			"    [<ffffffff84e5bea0>] do_ipv6_setsockopt.isra.7.part.3+0x101/0x2830 \n",110			"    [<ffffffff84e5bea0>] do_ipv6_setsockopt.isra.7.part.3+0x101/0x2830 net.c:111 \n",111		},112		// Old KASAN frame format (with tab).113		{114			"[   50.419727] 	baz+0x101/0x200\n",115			"[   50.419727] 	baz+0x101/0x200 baz.c:100\n",116		},117		// Inlined frames.118		{119			"    [<ffffffff84e5bea0>] foo+0x141/0x185\n",120			"    [<ffffffff84e5bea0>] inlined1 net.c:111 [inline]\n" +121				"    [<ffffffff84e5bea0>] inlined2 mm.c:222 [inline]\n" +122				"    [<ffffffff84e5bea0>] foo+0x141/0x185 kasan.c:333\n",123		},124		// Several symbols with the same name.125		{126			"[<ffffffff82d1b1d9>] baz+0x101/0x200\n",127			"[<ffffffff82d1b1d9>] baz+0x101/0x200 baz.c:100\n",128		},129	}130	symbols := map[string][]symbolizer.Symbol{131		"foo": {132			{Addr: 0x1000000, Size: 0x190},133		},134		"do_ipv6_setsockopt.isra.7.part.3": {135			{Addr: 0x2000000, Size: 0x2830},136		},137		"baz": {138			{Addr: 0x3000000, Size: 0x100},139			{Addr: 0x4000000, Size: 0x200},140			{Addr: 0x5000000, Size: 0x300},141		},142	}143	symb := func(bin string, pc uint64) ([]symbolizer.Frame, error) {144		if bin != "vmlinux" {145			return nil, fmt.Errorf("unknown pc 0x%x", pc)146		}147		switch pc {148		case 0x1000100:149			return []symbolizer.Frame{150				{151					File: "/linux/foo.c",152					Line: 555,153				},154			}, nil155		case 0x1000101:156			return []symbolizer.Frame{157				{158					File: "/linux/foo.c",159					Line: 550,160				},161			}, nil162		case 0x1000110:163			return []symbolizer.Frame{164				{165					File: "/linux/./foo.h",166					Line: 111,167				},168			}, nil169		case 0x1000120:170			return nil, nil171		case 0x1000130:172			return nil, fmt.Errorf("unknown pc 0x%x", pc)173		case 0x2000100:174			return []symbolizer.Frame{175				{176					File: "/linux/net.c",177					Line: 111,178				},179			}, nil180		case 0x1000140:181			return []symbolizer.Frame{182				{183					Func:   "inlined1",184					File:   "/linux/net.c",185					Line:   111,186					Inline: true,187				},188				{189					Func:   "inlined2",190					File:   "/linux/mm.c",191					Line:   222,192					Inline: true,193				},194				{195					Func:   "noninlined3",196					File:   "/linux/kasan.c",197					Line:   333,198					Inline: false,199				},200			}, nil201		case 0x4000100:202			return []symbolizer.Frame{203				{204					File: "/linux/baz.c",205					Line: 100,206				},207			}, nil208		default:209			return nil, fmt.Errorf("unknown pc 0x%x", pc)210		}211	}212	for i, test := range tests {213		t.Run(fmt.Sprint(i), func(t *testing.T) {214			result := symbolizeLine(symb, symbols, "vmlinux", "/linux", []byte(test.line))215			if test.result != string(result) {216				t.Errorf("want %q\n\t     get %q", test.result, string(result))217			}218		})219	}220}...

symbolizer.go

Source:symbolizer.go

...96			return97		}98		for range pcs {99			var frames1 []Frame100			frames1, err = parse(scanner)101			if err != nil {102				return103			}104			frames = append(frames, frames1...)105		}106		for i := 0; i < 2; i++ {107			scanner.Scan()108		}109	}()110	for _, pc := range pcs {111		if _, err := fmt.Fprintf(input, "0x%x\n", pc); err != nil {112			return nil, err113		}114	}115	// Write an invalid PC so that parse doesn't block reading input.116	// We read out result for this PC at the end of the function.117	if _, err := fmt.Fprintf(input, "0xffffffffffffffff\n"); err != nil {118		return nil, err119	}120	input.Flush()121	if err := <-done; err != nil {122		return nil, err123	}124	return frames, nil125}126func parse(s *bufio.Scanner) ([]Frame, error) {127	pc, err := strconv.ParseUint(s.Text(), 0, 64)128	if err != nil {129		return nil, fmt.Errorf("failed to parse pc '%v' in addr2line output: %v", s.Text(), err)130	}131	var frames []Frame132	for {133		if !s.Scan() {134			break135		}136		ln := s.Text()137		if len(ln) > 3 && ln[0] == '0' && ln[1] == 'x' {138			break139		}140		fn := ln141		if !s.Scan() {142			err := s.Err()143			if err == nil {144				err = io.EOF145			}146			return nil, fmt.Errorf("failed to read file:line from addr2line: %v", err)147		}148		ln = s.Text()149		colon := strings.LastIndexByte(ln, ':')150		if colon == -1 {151			return nil, fmt.Errorf("failed to parse file:line in addr2line output: %v", ln)152		}153		lineEnd := colon + 1154		for lineEnd < len(ln) && ln[lineEnd] >= '0' && ln[lineEnd] <= '9' {155			lineEnd++156		}157		file := ln[:colon]158		line, err := strconv.Atoi(ln[colon+1 : lineEnd])159		if err != nil || fn == "" || fn == "??" || file == "" || file == "??" || line <= 0 {160			continue161		}162		frames = append(frames, Frame{163			PC:     pc,164			Func:   fn,165			File:   file,...

parse

Using AI Code Generation

1import "fmt"2import "github.com/udhos/gobusybox/src/symbolizer"3func main() {4    sym := symbolizer.NewSymbolizer()5    err := sym.Parse()6    if err != nil {7        fmt.Printf("error: %v8    }9    fmt.Printf("symbols: %v10", sym.Symbols())11}12import "fmt"13import "github.com/udhos/gobusybox/src/symbolizer"14func main() {15    sym := symbolizer.NewSymbolizer()16    err := sym.Symbolize()17    if err != nil {18        fmt.Printf("error: %v19    }20    fmt.Printf("symbols: %v21", sym.Symbols())22}23import "fmt"24import "github.com/udhos/gobusybox/src/symbolizer"25func main() {26    sym := symbolizer.NewSymbolizer()27    err := sym.Symbolize()28    if err != nil {29        fmt.Printf("error: %v30    }31    fmt.Printf("symbols: %v32", sym.Symbols())33}34import "fmt"35import "github.com/udhos/gobusybox/src/symbolizer"36func main() {37    sym := symbolizer.NewSymbolizer()38    err := sym.Symbolize()39    if err != nil {40        fmt.Printf("error: %v41    }42    fmt.Printf("symbols: %v43", sym.Symbols())44}45import "fmt"46import "github.com/udhos/gobusybox/src/symbolizer"47func main() {48    sym := symbolizer.NewSymbolizer()49    err := sym.Symbolize()50    if err != nil {51        fmt.Printf("error: %v52    }53    fmt.Printf("symbols: %v54", sym.Symbols())55}

parse

Using AI Code Generation

1import (2func main() {3	conf, err := config.ParseYamlFile("config.yaml")4	if err != nil {5		panic(err)6	}7	value := conf.UString(path)8	fmt.Println(value)9	value = conf.UString(path)10	fmt.Println(value)11	value = conf.UString(path)12	fmt.Println(value)13	value = conf.UString(path)14	fmt.Println(value)15	value = conf.UString(path)16	fmt.Println(value)17	value = conf.UString(path)18	fmt.Println(value)19	value = conf.UString(path)20	fmt.Println(value)21	value = conf.UString(path)22	fmt.Println(value)23	value = conf.UString(path)24	fmt.Println(value)25	value = conf.UString(path)26	fmt.Println(value)27	value = conf.UString(path)28	fmt.Println(value)29	value = conf.UString(path)30	fmt.Println(value)31	value = conf.UString(path)32	fmt.Println(value)33	value = conf.UString(path)34	fmt.Println(value)35	value = conf.UString(path)36	fmt.Println(value)

parse

Using AI Code Generation

1func main() {2    s := symbolizer.NewSymbolizer()3    s.Parse("2.go")4}5func TestSymbolizer_Parse(t *testing.T) {6    s := symbolizer.NewSymbolizer()7    s.Parse("2.go")8}9sort.Slice(ints, func(i, j int) bool {10})11cannot use ints[i] < ints[j] (type bool) as type int in return argument12import (13func main() {14    fmt.Println("Enter a string: ")15    fmt.Scanln(&input)16    fmt.Println("You entered: ", input)17    fmt.Println("The number of times each letter appears in the string is: ", countLetters(input))18}19func countLetters(input string) int {20    for i := 0; i < len(input); i++ {21        if strings.Contains(input, string(input[i])) {22        }23    }24}

parse

Using AI Code Generation

1import (2func main() {3	flag.Parse()4	symbols, err := symbolizer.Parse(flag.Args()...)5	if err != nil {6		panic(err)7	}8	pretty.Println(symbols)9}10import (11func main() {12	flag.Parse()13	symbols, err := symbolizer.Parse(flag.Args()...)14	if err != nil {15		panic(err)16	}17	pretty.Println(symbols)18}19import (20func main() {21	flag.Parse()22	symbols, err := symbolizer.Parse(flag.Args()...)23	if err != nil {24		panic(err)25	}26	pretty.Println(symbols)27}28import (29func main() {30	flag.Parse()31	symbols, err := symbolizer.Parse(flag.Args()...)32	if err != nil {33		panic(err)34	}35	pretty.Println(symbols)36}37import (38func main() {39	flag.Parse()40	symbols, err := symbolizer.Parse(flag.Args()...)41	if err != nil {42		panic(err)43	}

parse

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello World!")4	symbolizer.Parse("test.txt")5}6import (7func Parse(filename string) {8	file, _ := os.Open(filename)9	defer file.Close()10	scanner := bufio.NewScanner(file)11	for scanner.Scan() {12		words := strings.Fields(scanner.Text())13		if words[0] == "SYMTAB" {14			for scanner.Scan() {15				words := strings.Fields(scanner.Text())16				if len(words) == 0 {17				}18				fmt.Println(words[0])19			}20		}21	}22}

parse

Using AI Code Generation

1import java.io.*;2import java.util.*;3import org.apache.commons.lang3.StringUtils;4public class Symbolizer {5    public static void main(String[] args) {6        try {7            String[] tokens = parse("3+4*2/(1-5)^2^3");8            for (int i = 0; i < tokens.length; i++) {9                System.out.println(tokens[i]);10            }11        } catch (Exception e) {12            System.out.println(e);13        }14    }15    public static String[] parse(String input) throws Exception {16        ArrayList<String> tokens = new ArrayList<String>();17        String[] split = input.split("(?<=[-+*/^()])|(?=[-+*/^()])");18        for (int i = 0; i < split.length; i++) {19            if (!split[i].equals("")) {20                tokens.add(split[i]);21            }22        }23        return tokens.toArray(new String[0]);24    }25}

parse

Using AI Code Generation

1public class 2 {2public static void main(String[] args) throws IOException {3String input_file = args[0];4String output_file = args[1];5Symbolizer symbolizer = new Symbolizer();6symbolizer.parse(input_file, output_file);7}8}9import java.io.*;10import java.util.*;11public class Symbolizer {12private Map<String, Integer> symbolTable = new HashMap<String, Integer>();13private int currentAddress = 0;14public void parse(String input, String output) throws IOException {15BufferedReader reader = new BufferedReader(new FileReader(input));16PrintWriter writer = new PrintWriter(new FileWriter(output));17String line = null;18while ((line = reader.readLine()) != null) {19line = line.trim();20continue;21}22if (line.startsWith("(")) {23String symbol = line.substring(1, line.length() - 1);24symbolTable.put(symbol, currentAddress);25continue;26}27currentAddress++;28String code = parseLine(line);29writer.println(code);30}31writer.close();32reader.close();33}34private String parseLine(String line) {35String code = null;36if (line.startsWith("@")) {37code = parseAInstruction(line);38} else {39code = parseCInstruction(line);40}41return code;42}43private String parseAInstruction(String line) {44String symbol = line.substring(1);45int address = 0;46if (isNumber(symbol)) {47address = Integer.parseInt(symbol);48} else {49if (!symbolTable.containsKey(symbol)) {50symbolTable.put(symbol, currentAddress++);51}52address = symbolTable.get(symbol);53}54return "0" + toBinary(address);55}56private String parseCInstruction(String line) {57int index = line.indexOf("=");58String dest = null;59String comp = null;60if (index != -1) {61dest = line.substring(0, index);62comp = line.substring(index + 1);63} else {64dest = "null";65comp = line;66}67index = comp.indexOf(";");68String jump = null;69if (index != -1) {70jump = comp.substring(index + 1);71comp = comp.substring(0, index);72} else {73jump = "null";74}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.