panic: bad arg kind: goroutine 26 [running]: github.com/google/syzkaller/prog.clone(0x0, 0x0, 0xc0028e74b0, 0xc001bb90e0, 0xc0028e6af8) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:79 +0x91b github.com/google/syzkaller/prog.clone(0x9b2be0, 0xc0002a9140, 0xc0028e74b0, 0x2014632e8, 0xc0028e6bf8) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x18d github.com/google/syzkaller/prog.clone(0x9b2ca0, 0xc0002a9160, 0xc0028e74b0, 0xd788e0, 0xc0028e6cf8) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:63 +0x839 github.com/google/syzkaller/prog.clone(0x9b2ca0, 0xc0002a9180, 0xc0028e74b0, 0x9b2be0, 0xc0012351a0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:63 +0x839 github.com/google/syzkaller/prog.clone(0x9b2be0, 0xc0002a91c0, 0xc0028e74b0, 0x9b2ca0, 0xc0011fd280) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x18d github.com/google/syzkaller/prog.clone(0x9b2be0, 0xc0002a91e0, 0xc0028e74b0, 0x9b2b60, 0xc001ef0170) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x18d github.com/google/syzkaller/prog.clone(0x9b2be0, 0xc0002a9220, 0xc0028e74b0, 0x2c3acb858, 0xc0028e70f8) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x18d github.com/google/syzkaller/prog.clone(0x9b2ca0, 0xc0002a9240, 0xc0028e74b0, 0xc0021f4b20, 0xc000f9a340) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:63 +0x839 github.com/google/syzkaller/prog.clone(0x9b2be0, 0xc0002a9260, 0xc0028e74b0, 0x9b2be0, 0xc000f9ac20) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x18d github.com/google/syzkaller/prog.clone(0x9b2be0, 0xc0002a9280, 0xc0028e74b0, 0x2c3acf638, 0xc0028e73f8) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x18d github.com/google/syzkaller/prog.clone(0x9b2c20, 0xc0002b20f0, 0xc0028e74b0, 0x9b2b60, 0xc001ef00a0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:44 +0x567 github.com/google/syzkaller/prog.(*Prog).Clone(0xc00025bcc0, 0x8f697c) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:24 +0x279 github.com/google/syzkaller/prog.(*randGen).resourceCentric(0xc001096200, 0xc001bb8f50, 0xcac520, 0x8a2600, 0x30, 0x30, 0x58, 0x203000, 0x203000) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:839 +0xc2 github.com/google/syzkaller/prog.(*ResourceType).generate(0xcac520, 0xc001096200, 0xc001bb8f50, 0x0, 0x887de0, 0x8a2640, 0x2d9dc4894201, 0x30, 0x30) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:669 +0x27c github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc001096200, 0xc001bb8f50, 0x9b8f00, 0xcac520, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:658 +0x450 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:608 github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc001096200, 0xc001bb8f50, 0xcc3160, 0x3, 0x3, 0xc0028e7900, 0xc0028e7b08, 0xc0021f4b10, 0xc001e08200, 0xcc2440, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:596 +0x116 github.com/google/syzkaller/prog.(*StructType).generate(0xcb72a0, 0xc001096200, 0xc001bb8f50, 0x0, 0xd79600, 0xc001eae960, 0xc001ede000, 0xc001ede000, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:780 +0x7c github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc001096200, 0xc001bb8f50, 0x9b8fc0, 0xcb72a0, 0x400000, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:658 +0x450 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:608 github.com/google/syzkaller/prog.(*PtrType).generate(0xcae8e0, 0xc001096200, 0xc001bb8f50, 0x0, 0x9b2b60, 0xc001e19930, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:797 +0x123 github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc001096200, 0xc001bb8f50, 0x9b8e40, 0xcae8e0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:658 +0x450 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:608 github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc001096200, 0xc001bb8f50, 0xd28ca0, 0x5, 0x5, 0x49ff00, 0xc00248a000, 0x16f, 0x16f, 0x11ca, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:596 +0x116 github.com/google/syzkaller/prog.(*randGen).generateParticularCall(0xc001096200, 0xc001bb8f50, 0xd2f8a0, 0x12c, 0xc001bb8f50, 0xc001e69280) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:551 +0xd5 github.com/google/syzkaller/prog.(*randGen).generateCall(0xc001096200, 0xc001bb8f50, 0xc001e683c0, 0x2, 0xc001e683c0, 0xc001e68700, 0xc001bb8f50) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:540 +0x95 github.com/google/syzkaller/prog.(*mutator).insertCall(0xc0028e7ec0, 0x14) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:141 +0xf2 github.com/google/syzkaller/prog.(*Prog).Mutate(0xc001e683c0, 0x9ac260, 0xc00220e4e0, 0x14, 0xc001d2e180, 0xc0025c8000, 0x273b, 0x3000) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:45 +0x2ea main.(*Proc).loop(0xc002230100) /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:260 +0x1188