test_fuzz_non_crash_signal.txt

Documentation: cmd/go/testdata/script

     1# NOTE: this test is skipped on Windows, since there's no concept of signals.
     2# When a process terminates another process, it provides an exit code.
     3[GOOS:windows] skip
     4[!fuzz] skip
     5[short] skip
     6env GOCACHE=$WORK/cache
     7
     8# FuzzNonCrash sends itself a signal that does not appear to be a crash.
     9# We should not save a crasher.
    10! go test -fuzz=FuzzNonCrash
    11! exists testdata
    12! stdout unreachable
    13! stderr unreachable
    14stdout 'fuzzing process terminated by unexpected signal; no crash will be recorded: signal: terminated'
    15
    16# FuzzKill sends itself a signal that cannot be caught by the worker process
    17# and does not appear to be a crash.
    18# We should not save a crasher.
    19! go test -fuzz=FuzzKill
    20! exists testdata
    21! stdout unreachable
    22! stderr unreachable
    23stdout 'fuzzing process terminated by unexpected signal; no crash will be recorded: signal: killed'
    24
    25# FuzzCrash sends itself a signal that looks like a crash.
    26# We should save a crasher.
    27! go test -fuzz=FuzzCrash
    28exists testdata/fuzz/FuzzCrash
    29stdout '^\s+fuzzing process hung or terminated unexpectedly: exit status'
    30
    31-- go.mod --
    32module test
    33
    34go 1.17
    35-- fuzz_posix_test.go --
    36// +build darwin freebsd linux
    37
    38package fuzz
    39
    40import (
    41	"syscall"
    42	"testing"
    43)
    44
    45func FuzzNonCrash(f *testing.F) {
    46	f.Fuzz(func(*testing.T, bool) {
    47		pid := syscall.Getpid()
    48		if err := syscall.Kill(pid, syscall.SIGTERM); err != nil {
    49			panic(err)
    50		}
    51		// signal may not be received immediately. Wait for it.
    52		select{}
    53	})
    54}
    55
    56func FuzzKill(f *testing.F) {
    57	f.Fuzz(func(*testing.T, bool) {
    58		pid := syscall.Getpid()
    59		if err := syscall.Kill(pid, syscall.SIGKILL); err != nil {
    60			panic(err)
    61		}
    62		// signal may not be received immediately. Wait for it.
    63		select{}
    64	})
    65}
    66
    67func FuzzCrash(f *testing.F) {
    68	f.Fuzz(func(*testing.T, bool) {
    69		pid := syscall.Getpid()
    70		if err := syscall.Kill(pid, syscall.SIGILL); err != nil {
    71			panic(err)
    72		}
    73		// signal may not be received immediately. Wait for it.
    74		select{}
    75	})
    76}
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