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}

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