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How to use warningStackFmt method of report Package

Best Syzkaller code snippet using report.warningStackFmt

linux.go

Source:linux.go

...861		// Note: the actual symbol can have all kinds of weird suffixes like ".isra.7", ".cold" or ".isra.56.cold.74".862		compile(`^( \[\<?(?:0x)?[0-9a-f]+\>?\])? should_fail(slab)?(\.[a-z0-9.]+)?\+0x`),863	},864}865func warningStackFmt(skip ...string) *stackFmt {866	return &stackFmt{867		// In newer kernels WARNING traps and actual stack starts after invalid_op frame,868		// older kernels just print stack.869		parts: []*regexp.Regexp{870			// x86_64 warning stack starts with "RIP:" line,871			// while powerpc64 starts with "--- interrupt:".872			compile("(?:" + linuxRipFrame.String() + "|--- interrupt: [0-9]+ at {{FUNC}})"),873			parseStackTrace,874		},875		parts2: []*regexp.Regexp{876			compile("Call Trace:"),877			parseStackTrace,878		},879		skip: skip,880	}881}882// nolint: lll883var linuxOopses = append([]*oops{884	{885		[]byte("BUG:"),886		[]oopsFormat{887			{888				title:  compile("BUG: KASAN:"),889				report: compile("BUG: KASAN: ([a-z\\-]+) in {{FUNC}}(?:.*\\n)+?.*(Read|Write) of size (?:[0-9]+)"),890				fmt: "KASAN: %[1]v %[3]v in %[4]v",891				stack: &stackFmt{892					parts: []*regexp.Regexp{893						compile("BUG: KASAN: (?:[a-z\\-]+) in {{FUNC}}"),894						compile("Call Trace:"),895						parseStackTrace,896					},897				},898			},899			{900				title:  compile("BUG: KASAN:"),901				report: compile("BUG: KASAN: double-free or invalid-free in {{FUNC}}"),902				fmt:    "KASAN: invalid-free in %[2]v",903				stack: &stackFmt{904					parts: []*regexp.Regexp{905						compile("BUG: KASAN: double-free or invalid-free in {{FUNC}}"),906						compile("Call Trace:"),907						parseStackTrace,908					},909					skip: []string{"kmem_", "slab_", "kfree", "vunmap", "vfree"},910				},911			},912			{913				title: compile("BUG: KASAN: ([a-z\\-]+) on address(?:.*\\n)+?.*(Read|Write) of size ([0-9]+)"),914				fmt:   "KASAN: %[1]v %[2]v",915			},916			{917				title:     compile("BUG: KASAN: (.*)"),918				fmt:       "KASAN: %[1]v",919				corrupted: true,920			},921			{922				title:  compile("BUG: KMSAN: kernel-usb-infoleak"),923				report: compile("BUG: KMSAN: kernel-usb-infoleak in {{FUNC}}"),924				fmt:    "KMSAN: kernel-usb-infoleak in %[2]v",925				stack:  warningStackFmt("usb_submit_urb", "usb_start_wait_urb", "usb_bulk_msg", "usb_interrupt_msg", "usb_control_msg"),926			},927			{928				title:  compile("BUG: KMSAN:"),929				report: compile("BUG: KMSAN: ([a-z\\-]+) in {{FUNC}}"),930				fmt:    "KMSAN: %[1]v in %[3]v",931				stack: &stackFmt{932					parts: []*regexp.Regexp{933						compile("Call Trace:"),934						parseStackTrace,935					},936				},937			},938			{939				title:        compile("BUG: KCSAN:"),940				report:       compile("BUG: KCSAN: (.*)"),941				fmt:          "KCSAN: %[1]v",942				noStackTrace: true,943			},944			{945				title: compile("BUG: (?:unable to handle kernel paging request|unable to handle page fault for address|Unable to handle kernel data access)"),946				fmt:   "BUG: unable to handle kernel paging request in %[1]v",947				stack: &stackFmt{948					parts: []*regexp.Regexp{949						linuxRipFrame,950						compile("Call Trace:"),951						parseStackTrace,952					},953				},954			},955			{956				title: compile("BUG: (?:unable to handle kernel NULL pointer dereference|kernel NULL pointer dereference|Kernel NULL pointer dereference)"),957				fmt:   "BUG: unable to handle kernel NULL pointer dereference in %[1]v",958				stack: &stackFmt{959					parts: []*regexp.Regexp{960						linuxRipFrame,961						compile("Call Trace:"),962						parseStackTrace,963					},964				},965			},966			{967				// Sometimes with such BUG failures, the second part of the header doesn't get printed968				// or gets corrupted, because kernel prints it as two separate printk() calls.969				title:     compile("BUG: (?:unable to handle kernel|Unable to handle kernel)"),970				fmt:       "BUG: unable to handle kernel",971				corrupted: true,972			},973			{974				title: compile("BUG: spinlock (lockup suspected|already unlocked|recursion|bad magic|wrong owner|wrong CPU)"),975				fmt:   "BUG: spinlock %[1]v in %[2]v",976				stack: &stackFmt{977					parts: []*regexp.Regexp{978						compile("Call Trace:"),979						parseStackTrace,980					},981					skip: []string{"spin_"},982				},983			},984			{985				title: compile("BUG: soft lockup"),986				fmt:   "BUG: soft lockup in %[1]v",987				stack: &stackFmt{988					parts: []*regexp.Regexp{989						linuxRipFrame,990						compile("Call Trace:"),991						parseStackTrace,992					},993					extractor: linuxStallFrameExtractor,994				},995			},996			{997				title:  compile("BUG: .*still has locks held!"),998				report: compile("BUG: .*still has locks held!(?:.*\\n)+?.*{{PC}} +{{FUNC}}"),999				fmt:    "BUG: still has locks held in %[1]v",1000			},1001			{1002				title:        compile("BUG: lock held when returning to user space"),1003				report:       compile("BUG: lock held when returning to user space(?:.*\\n)+?.*leaving the kernel with locks still held(?:.*\\n)+?.*at: (?:{{PC}} +)?{{FUNC}}"),1004				fmt:          "BUG: lock held when returning to user space in %[1]v",1005				noStackTrace: true,1006			},1007			{1008				title:  compile("BUG: bad unlock balance detected!"),1009				report: compile("BUG: bad unlock balance detected!(?:.*\\n){0,15}?.*is trying to release lock(?:.*\\n){0,15}?.*{{PC}} +{{FUNC}}"),1010				fmt:    "BUG: bad unlock balance in %[1]v",1011			},1012			{1013				title:  compile("BUG: held lock freed!"),1014				report: compile("BUG: held lock freed!(?:.*\\n)+?.*{{PC}} +{{FUNC}}"),1015				fmt:    "BUG: held lock freed in %[1]v",1016			},1017			{1018				title:        compile("BUG: Bad rss-counter state"),1019				fmt:          "BUG: Bad rss-counter state",1020				noStackTrace: true,1021			},1022			{1023				title:        compile("BUG: non-zero nr_ptes on freeing mm"),1024				fmt:          "BUG: non-zero nr_ptes on freeing mm",1025				noStackTrace: true,1026			},1027			{1028				title:        compile("BUG: non-zero nr_pmds on freeing mm"),1029				fmt:          "BUG: non-zero nr_pmds on freeing mm",1030				noStackTrace: true,1031			},1032			{1033				title: compile("BUG: Dentry .* still in use \\([0-9]+\\) \\[unmount of ([^\\]]+)\\]"),1034				fmt:   "BUG: Dentry still in use [unmount of %[1]v]",1035			},1036			{1037				title: compile("BUG: Bad page state"),1038				fmt:   "BUG: Bad page state",1039			},1040			{1041				title: compile("BUG: Bad page map"),1042				fmt:   "BUG: Bad page map",1043			},1044			{1045				title:        compile("BUG: workqueue lockup"),1046				fmt:          "BUG: workqueue lockup",1047				noStackTrace: true,1048			},1049			{1050				title: compile("BUG: sleeping function called from invalid context at (.*)"),1051				fmt:   "BUG: sleeping function called from invalid context in %[2]v",1052				stack: &stackFmt{1053					parts: []*regexp.Regexp{1054						compile("Call Trace:"),1055						parseStackTrace,1056					},1057				},1058			},1059			{1060				title: compile("BUG: using ([a-z_]+)\\(\\) in preemptible"),1061				fmt:   "BUG: using %[1]v() in preemptible code in %[2]v",1062				stack: &stackFmt{1063					parts: []*regexp.Regexp{1064						compile("Call Trace:"),1065						parseStackTrace,1066					},1067					skip: []string{"dump_stack", "preemption", "preempt", "debug_",1068						"processor_id", "this_cpu"},1069				},1070			},1071			{1072				title: compile("BUG: workqueue leaked lock or atomic"),1073				report: compile("BUG: workqueue leaked lock or atomic(?:.*\\n)+?" +1074					".*last function: ([a-zA-Z0-9_]+)\\n"),1075				fmt:          "BUG: workqueue leaked lock or atomic in %[1]v",1076				noStackTrace: true,1077			},1078			{1079				title: compile("BUG: memory leak"),1080				fmt:   memoryLeakPrefix + "%[1]v",1081				stack: &stackFmt{1082					parts: []*regexp.Regexp{1083						compile("backtrace:"),1084						parseStackTrace,1085					},1086					skip: []string{"kmemleak", "kmalloc", "kcalloc", "kzalloc",1087						"vmalloc", "mmap", "kmem", "slab", "alloc", "create_object",1088						"idr_get", "list_lru_init", "kasprintf", "kvasprintf",1089						"pcpu_create", "strdup", "strndup", "memdup"},1090				},1091			},1092			{// ACHyb1093				title:        compile("BUG: ACHYB ([A-Za-z0-9,/\\:\\_\\>\\-\\(\\)\\s]+)\\n"),1094				report:       compile("BUG: ACHYB ([A-Za-z0-9,/\\:\\_\\>\\-\\(\\)\\s]+)\\n"),1095				// report:       compile("BUG: acl bug: ([A-Za-z0-9,/\\:\\_\\>\\-\\(\\)\\s]+)\\nCall Trace:\\n[A-Za-z0-9|\\-\\_,\\s\\:]+TRACEEND"),1096				fmt:          "BUG: ACHYB %[1]v",1097				noStackTrace: true,1098				// noStackTrace: true,1099				/*stack: &stackFmt{1100					parts: []*regexp.Regexp{1101						compile("Call Trace:\\n[A-Za-z0-9\\-\\_,\\s\\:]+END"),1102					},1103				},*/1104			},1105			{1106				title: compile("BUG: stack guard page was hit at"),1107				fmt:   "BUG: stack guard page was hit in %[1]v",1108				stack: &stackFmt{1109					parts: []*regexp.Regexp{1110						linuxRipFrame,1111					},1112				},1113				noStackTrace: true,1114			},1115			{1116				title:     compile(`BUG:[[:space:]]*(?:\n|$)`),1117				fmt:       "BUG: corrupted",1118				corrupted: true,1119			},1120		},1121		[]*regexp.Regexp{1122			// CONFIG_DEBUG_OBJECTS output.1123			compile("ODEBUG:"),1124			// Android prints this sometimes during boot.1125			compile("Boot_DEBUG:"),1126			compile("xlog_status:"),1127			// Android ART debug output.1128			compile("DEBUG:"),1129			// pkg/host output in debug mode.1130			compile("BUG: no syscalls can create resource"),1131		},1132	},1133	{1134		[]byte("WARNING:"),1135		[]oopsFormat{1136			{1137				title: compile("WARNING: .*lib/debugobjects\\.c.* (?:debug_print|debug_check)"),1138				fmt:   "WARNING: ODEBUG bug in %[1]v",1139				// Skip all users of ODEBUG as well.1140				stack: warningStackFmt("debug_", "rcu", "hrtimer_", "timer_",1141					"work_", "percpu_", "kmem_", "slab_", "kfree", "vunmap",1142					"vfree", "__free_", "debug_check", "kobject_"),1143			},1144			{1145				title: compile("WARNING: .*mm/usercopy\\.c.* usercopy_warn"),1146				fmt:   "WARNING: bad usercopy in %[1]v",1147				stack: warningStackFmt("usercopy", "__check"),1148			},1149			{1150				title: compile("WARNING: .*lib/kobject\\.c.* kobject_"),1151				fmt:   "WARNING: kobject bug in %[1]v",1152				stack: warningStackFmt("kobject_"),1153			},1154			{1155				title: compile("WARNING: .*fs/proc/generic\\.c.* proc_register"),1156				fmt:   "WARNING: proc registration bug in %[1]v",1157				stack: warningStackFmt("proc_"),1158			},1159			{1160				title: compile("WARNING: .*lib/refcount\\.c.* refcount_"),1161				fmt:   "WARNING: refcount bug in %[1]v",1162				stack: warningStackFmt("refcount", "kobject_"),1163			},1164			{1165				title: compile("WARNING: .*kernel/locking/lockdep\\.c.*lock_"),1166				fmt:   "WARNING: locking bug in %[1]v",1167				stack: warningStackFmt("lock_sock", "release_sock"),1168			},1169			{1170				title:        compile("WARNING: lock held when returning to user space"),1171				report:       compile("WARNING: lock held when returning to user space(?:.*\\n)+?.*leaving the kernel with locks still held(?:.*\\n)+?.*at: (?:{{PC}} +)?{{FUNC}}"),1172				fmt:          "WARNING: lock held when returning to user space in %[1]v",1173				noStackTrace: true,1174			},1175			{1176				title: compile("WARNING: .*mm/.*\\.c.* k?.?malloc"),1177				fmt:   "WARNING: kmalloc bug in %[1]v",1178				stack: warningStackFmt("kmalloc", "kcalloc", "kzalloc", "krealloc",1179					"vmalloc", "slab", "kmem"),1180			},1181			{1182				title: compile("WARNING: .* usb_submit_urb"),1183				fmt:   "WARNING in %[1]v/usb_submit_urb",1184				stack: warningStackFmt("usb_submit_urb", "usb_start_wait_urb", "usb_bulk_msg", "usb_interrupt_msg", "usb_control_msg"),1185			},1186			{1187				title: compile("WARNING: .* at {{SRC}} {{FUNC}}"),1188				fmt:   "WARNING in %[3]v",1189				stack: warningStackFmt(),1190			},1191			{1192				title:  compile("WARNING: possible circular locking dependency detected"),1193				report: compile("WARNING: possible circular locking dependency detected(?:.*\\n)+?.*is trying to acquire lock"),1194				fmt:    "possible deadlock in %[1]v",1195				stack: &stackFmt{1196					parts: []*regexp.Regexp{1197						compile("at: (?:{{PC}} +)?{{FUNC}}"),1198						compile("at: (?:{{PC}} +)?{{FUNC}}"),1199						parseStackTrace,1200					},1201					// These workqueue functions take locks associated with work items.1202					// All deadlocks observed in these functions are1203					// work-item-subsystem-related....

warningStackFmt

Using AI Code Generation

1import (2func main() {3	fset := token.NewFileSet()4	f, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)5	if err != nil {6		log.Fatal(err)7	}8	ast.Inspect(f, func(n ast.Node) bool {9		if n == nil {10		}11		switch x := n.(type) {12			if x.Name == "a" {13				fmt.Println(fset.Position(x.Pos()))14			}15		}16	})17}

warningStackFmt

Using AI Code Generation

1import (2func main() {3	f, err := os.Open("test.txt")4	if err != nil {5		log.Fatal(err)6	}7	fmt.Println(f.Name(), "opened successfully")8}9Related Posts: Golang log.Fatal() Example10Golang log.Fatal() Example Golang log.Panic() Example11Golang log.Panic() Example Golang log.Panicln() Example12Golang log.Panicln() Example Golang log.Panicf() Example13Golang log.Panicf() Example Golang log.Fatal() Example14Golang log.Fatal() Example Golang log.Fatalln() Example15Golang log.Fatalln() Example Golang log.Fatalf() Example16Golang log.Fatalf() Example Golang log.Output() Example17Golang log.Output() Example Golang log.Ldate Example

warningStackFmt

Using AI Code Generation

1import "fmt"2func main() {3  fmt.Println("Hello, playground")4}5import "fmt"6func main() {7  fmt.Println("Hello, playground")8}9import "fmt"10func main() {11  fmt.Println("Hello, playground")12}13import "fmt"14func main() {15  fmt.Println("Hello, playground")16}17import "fmt"18func main() {19  fmt.Println("Hello, playground")20}21import "fmt"22func main() {23  fmt.Println("Hello, playground")24}25import "fmt"26func main() {27  fmt.Println("Hello, playground")28}29import "fmt"30func main() {31  fmt.Println("Hello, playground")32}33import "fmt"34func main() {35  fmt.Println("Hello, playground")36}37import "fmt"38func main() {39  fmt.Println("Hello, playground")40}41import "fmt"42func main() {43  fmt.Println("Hello, playground")44}45import "fmt"46func main() {47  fmt.Println("Hello, playground")48}49import "fmt"50func main() {51  fmt.Println("Hello, playground")52}53import "fmt"54func main() {55  fmt.Println("Hello, playground")56}57import "fmt"58func main() {59  fmt.Println("Hello, playground")60}61import "fmt"62func main() {63  fmt.Println("Hello, playground")64}65import "fmt"66func main() {67  fmt.Println("Hello, playground")68}69import "fmt"70func main() {71  fmt.Println("Hello, playground")72}

warningStackFmt

Using AI Code Generation

1func main() {2    rep.warningStackFmt("warning message")3}4func main() {5    rep.warningStackFmt("warning message")6}7func main() {8    rep.warningStackFmt("warning message")9}10func main() {11    rep.warningStackFmt("warning message")12}13func main() {14    rep.warningStackFmt("warning message")15}16func main() {17    rep.warningStackFmt("warning message")18}19func main() {20    rep.warningStackFmt("warning message")21}22func main() {23    rep.warningStackFmt("warning message")24}25func main() {26    rep.warningStackFmt("warning message")27}28func main() {29    rep.warningStackFmt("warning message")30}31func main() {32    rep.warningStackFmt("warning message")33}34func main() {35    rep.warningStackFmt("warning message")36}37func main() {38    rep.warningStackFmt("warning message")39}40func main() {

warningStackFmt

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, playground")4    fmt.Println(a)5}6import "fmt"7func main() {8    fmt.Println("Hello, playground")9    fmt.Println(a)10}11import "fmt"12func main() {13    fmt.Println("Hello, playground")14    fmt.Println(a)15}16import "fmt"17func main() {18    fmt.Println("Hello, playground")19    fmt.Println(a)20}21import "fmt"22func main() {23    fmt.Println("Hello, playground")24    fmt.Println(a)25}26import "fmt"27func main() {28    fmt.Println("Hello, playground")29    fmt.Println(a)30}31import "fmt"32func main() {33    fmt.Println("Hello, playground")

warningStackFmt

Using AI Code Generation

1import "fmt"2import "golang.org/x/tools/go/analysis/unitchecker"3import "github.com/GoASTScanner/gas"4import "github.com/GoASTScanner/gas/rules"5func main() {6    gas.LoadRules(rules.AllRules)7    unitchecker.Main(gas.Analyzer)8}9import "fmt"10import "golang.org/x/tools/go/analysis/unitchecker"11import "github.com/GoASTScanner/gas"12import "github.com/GoASTScanner/gas/rules"13func main() {14    gas.LoadRules(rules.AllRules)15    unitchecker.Main(gas.Analyzer)16}17import "fmt"18import "golang.org/x/tools/go/analysis/unitchecker"19import "github.com/GoASTScanner/gas"20import "github.com/GoASTScanner/gas/rules"21func main() {22    gas.LoadRules(rules.AllRules)23    unitchecker.Main(gas.Analyzer)24}25import "fmt"26import "golang.org/x/tools/go/analysis/unitchecker"27import "github.com/GoASTScanner/gas"28import "github.com/GoASTScanner/gas/rules"29func main() {30    gas.LoadRules(rules.AllRules)31    unitchecker.Main(gas.Analyzer)32}33import "fmt"34import "golang.org/x/tools/go/analysis/unitchecker"35import "github.com/GoASTScanner/gas"36import "github.com/GoASTScanner/gas/rules"37func main() {38    gas.LoadRules(rules.AllRules)39    unitchecker.Main(gas.Analyzer)40}41import "fmt"42import "golang.org/x/tools/go/analysis/unitchecker"43import "github.com/GoASTScanner/gas"44import "github.com/GoASTScanner/gas/rules"45func main() {46    gas.LoadRules(rules.AllRules)47    unitchecker.Main(gas.Analyzer)48}49import "fmt"50import "golang.org/x/tools/go

warningStackFmt

Using AI Code Generation

1import "fmt"2func main() {3    report.warningStackFmt()4}5import "fmt"6func main() {7    report.warningStackFmt()8}9import "fmt"10func main() {11    report.warningStackFmt()12}13import "fmt"14func main() {15    report.warningStackFmt()16}17import "fmt"18func main() {19    report.warningStackFmt()20}21import "fmt"22func main() {23    report.warningStackFmt()24}25import "fmt"26func main() {27    report.warningStackFmt()28}29import "fmt"30func main() {31    report.warningStackFmt()32}33import "fmt"34func main() {35    report.warningStackFmt()36}37import "fmt"38func main() {39    report.warningStackFmt()40}41import "fmt"42func main() {43    report.warningStackFmt()44}

warningStackFmt

Using AI Code Generation

1func main() {2  r.warningStackFmt()3}4func main() {5  r.warningStackFmt()6}7func main() {8  r.warningStackFmt()9}10func main() {11  r.warningStackFmt()12}13func main() {14  r.warningStackFmt()15}16func main() {17  r.warningStackFmt()18}19func main() {20  r.warningStackFmt()21}22func main() {23  r.warningStackFmt()24}25func main() {26  r.warningStackFmt()27}28func main() {29  r.warningStackFmt()30}31func main() {32  r.warningStackFmt()33}34func main() {35  r.warningStackFmt()36}

warningStackFmt

Using AI Code Generation

1import (2func main() {3    report := gas.NewReport()4    report.Issue(&gas.Issue{5    })6    report.Issue(&gas.Issue{7    })8    report.Issue(&gas.Issue{9    })10    report.Issue(&gas.Issue{11    })12    report.Issue(&gas.Issue{13    })14    report.Issue(&gas.Issue{15    })16    report.Issue(&gas.Issue{17    })18    report.Issue(&gas.Issue{19    })20    report.Issue(&gas.Issue{21    })

warningStackFmt

Using AI Code Generation

1import (2func main() {3    r := gas.NewReport("test")4    w := gas.NewWarning(r, "test", "test", "test", 1)5    fmt.Println(w.warningStackFmt())6}71: test (test)

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