1 files changed, 55 insertions, 0 deletions
diff --git a/src/cmd/go/testdata/script/test_fuzz_non_crash_signal.txt b/src/cmd/go/testdata/script/test_fuzz_non_crash_signal.txt
new file mode 100644
index 0000000000..1568757de7
--- /dev/null
+++ b/src/cmd/go/testdata/script/test_fuzz_non_crash_signal.txt
@@ -0,0 +1,55 @@
+# NOTE: this test is skipped on Windows, since there's no concept of signals.
+# When a process terminates another process, it provides an exit code.
+# TODO(jayconrod): support shared memory on more platforms.
+[!darwin] [!freebsd] [!linux] skip
+[short] skip
+
+# FuzzNonCrash sends itself a signal that does not appear to be a crash.
+# We should not save a crasher.
+! go test -fuzz=FuzzNonCrash
+! exists testdata
+! stdout unreachable
+! stderr unreachable
+stdout 'fuzzing process terminated by unexpected signal; no crash will be recorded: signal: killed'
+
+# FuzzCrash sends itself a signal that looks like a crash.
+# We should save a crasher.
+! go test -fuzz=FuzzCrash
+exists testdata/fuzz/FuzzCrash
+stdout 'fuzzing process terminated unexpectedly'
+
+-- go.mod --
+module test
+
+go 1.17
+-- fuzz_posix_test.go --
+// +build darwin freebsd linux
+
+package fuzz
+
+import (
+	"syscall"
+	"testing"
+)
+
+func FuzzNonCrash(f *testing.F) {
+	f.Fuzz(func(*testing.T, bool) {
+		pid := syscall.Getpid()
+		if err := syscall.Kill(pid, syscall.SIGKILL); err != nil {
+			panic(err)
+		}
+		// signal may not be received immediately. Wait for it.
+		select{}
+	})
+}
+
+func FuzzCrash(f *testing.F) {
+	f.Fuzz(func(*testing.T, bool) {
+		pid := syscall.Getpid()
+		if err := syscall.Kill(pid, syscall.SIGILL); err != nil {
+			panic(err)
+		}
+		// signal may not be received immediately. Wait for it.
+		select{}
+	})
+}