panic: bad arg kind: goroutine 23 [running]: github.com/google/syzkaller/prog.clone(0x0, 0x0, 0xc002925770, 0x9a7820, 0xc0029993c0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:79 +0x954 github.com/google/syzkaller/prog.clone(0x9a78a0, 0xc0002ae420, 0xc002925770, 0x9a78a0, 0xc00298eed0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x17c github.com/google/syzkaller/prog.clone(0x9a78a0, 0xc0002ae4b0, 0xc002925770, 0x9a78a0, 0xc00298edb0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x17c github.com/google/syzkaller/prog.clone(0x9a78a0, 0xc0002ae540, 0xc002925770, 0x9a7820, 0xc002998a60) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x17c github.com/google/syzkaller/prog.clone(0x9a78a0, 0xc0002ae570, 0xc002925770, 0xc0029257e8, 0x40be26) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x17c github.com/google/syzkaller/prog.clone(0x9a78e0, 0xc0002ae5a0, 0xc002925770, 0x9a7820, 0xc002998a00) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:44 +0x58f github.com/google/syzkaller/prog.(*Prog).Clone(0xc00028dc40, 0x8f4d92) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:24 +0x279 github.com/google/syzkaller/prog.resourceCentric(0xcb5fe0, 0xc001e2b860, 0xc0024508e0, 0x8f1701, 0x203000, 0x448dbe, 0xc0024b50e0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:848 +0xbf github.com/google/syzkaller/prog.(*ResourceType).generate(0xcb5fe0, 0xc0024508e0, 0xc001e2b860, 0x10, 0x879280, 0x8f00c1, 0xc000138380, 0x10) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:681 +0x920 github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc0024508e0, 0xc001e2b860, 0x9ae9e0, 0xcb5fe0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:674 +0x506 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:623 github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc0024508e0, 0xc001e2b860, 0xc97f40, 0x1, 0x1, 0xc002925d58, 0x7fb5c91c, 0xfecabf60c5f89feb, 0xc002925d90, 0x789e4e, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:611 +0x107 github.com/google/syzkaller/prog.(*randGen).generateParticularCall(0xc0024508e0, 0xc001e2b860, 0xceb860, 0x136, 0xc001e2b860, 0xc002367a40) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:555 +0xc6 github.com/google/syzkaller/prog.(*randGen).generateCall(0xc0024508e0, 0xc001e2b860, 0xc002408c80, 0xa, 0xc002408c80, 0xc002409480, 0xc001e2b860) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:547 +0xb2 github.com/google/syzkaller/prog.(*mutator).insertCall(0xc002925ec0, 0x14) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:137 +0xf2 github.com/google/syzkaller/prog.(*Prog).Mutate(0xc002408c80, 0x9a2120, 0xc002465320, 0x1e, 0xc002919780, 0xc0025d8000, 0x1e2f, 0x2400) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:42 +0x29b main.(*Proc).loop(0xc0029197c0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x434 created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:259 +0x114c