panic: bad arg kind: goroutine 24 [running]: github.com/google/syzkaller/prog.clone(0x0, 0x0, 0xc002821e38, 0xc0012a78c0, 0xc00134c980) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:79 +0x954 github.com/google/syzkaller/prog.(*Prog).Clone(0xc0004e9f80, 0xc0014ea2a0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:24 +0x279 main.(*Proc).loop(0xc001494940) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:94 +0x3ca created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:259 +0x114c