panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0x777a0c]

goroutine 39 [running]:
github.com/google/syzkaller/prog.(*serializer).call(0xc0004da0c0, 0xc0004d39f0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:74 +0xec
github.com/google/syzkaller/prog.(*Prog).serialize(0xc0004cde80, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:46 +0xd8
github.com/google/syzkaller/prog.(*Prog).Serialize(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:30
main.(*Proc).logProgram(0xc0000768c0, 0xc0004cde80)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:130 +0x4e
main.(*Proc).executeRaw(0xc0000768c0, 0xc00038def0, 0xc0004cde80)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:101 +0x125
main.(*Proc).loop(0xc0000768c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:65 +0x148
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:256 +0x118a
pckbd_enable: command error
wskbd0: can't attach mux (error=5)


OpenBSD/amd64 (Amnesiac) (tty00)

login: