panic: bad arg kind: goroutine 25 [running]: github.com/google/syzkaller/prog.clone(0x0, 0x0, 0xc001743870, 0xc002429980, 0xc00243e730) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:79 +0x91b github.com/google/syzkaller/prog.clone(0x9b1e00, 0xc0009a0ca0, 0xc001743870, 0x9b1e00, 0xc002438ee0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x18d github.com/google/syzkaller/prog.clone(0x9b1e00, 0xc0009a0fa0, 0xc001743870, 0x9b1d80, 0xc00243e500) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x18d github.com/google/syzkaller/prog.clone(0x9b1e00, 0xc0009a0fc0, 0xc001743870, 0xc0017438e8, 0xc0017437b8) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x18d github.com/google/syzkaller/prog.clone(0x9b1e40, 0xc0008a8210, 0xc001743870, 0x9b1d80, 0xc00243e4d0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:44 +0x567 github.com/google/syzkaller/prog.(*Prog).Clone(0xc000819d40, 0x8fa456) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:24 +0x279 github.com/google/syzkaller/prog.(*randGen).resourceCentric(0xc00249e140, 0xc000087b80, 0xcab560, 0x0, 0xc0028f3b08, 0x42dfd1, 0x925890, 0xc0028f3b18, 0x40) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:848 +0xc2 github.com/google/syzkaller/prog.(*ResourceType).generate(0xcab560, 0xc00249e140, 0xc000087b80, 0x0, 0x886de0, 0x41726e, 0x28a75e9d0, 0x10, 0x10) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:678 +0x27c github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc00249e140, 0xc000087b80, 0x9b8120, 0xcab560, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:667 +0x450 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:617 github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc00249e140, 0xc000087b80, 0xcaa020, 0x1, 0x1, 0x49ff00, 0xc002e86400, 0x16f, 0x16f, 0x198e, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:605 +0x116 github.com/google/syzkaller/prog.(*randGen).generateParticularCall(0xc00249e140, 0xc000087b80, 0xd2f260, 0x137, 0xc000087b80, 0xc001a9c0c0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:560 +0xd5 github.com/google/syzkaller/prog.(*randGen).generateCall(0xc00249e140, 0xc000087b80, 0xc002ce0cc0, 0xb, 0xc002ce0cc0, 0xc002c4f380, 0xc000087b80) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:549 +0x95 github.com/google/syzkaller/prog.(*mutator).insertCall(0xc001743ec0, 0x14) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:141 +0xf2 github.com/google/syzkaller/prog.(*Prog).Mutate(0xc002ce0cc0, 0x9ab480, 0xc002a4d740, 0x14, 0xc002a22400, 0xc002bbe000, 0x26eb, 0x3000) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:45 +0x2ea main.(*Proc).loop(0xc002a22440) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:95 +0x434 created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:258 +0x1155