panic: bad arg kind: goroutine 23 [running]: github.com/google/syzkaller/prog.clone(0x0, 0x0, 0xc0017f1308, 0xc001a096c0, 0xc001a28ec0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:79 +0x954 github.com/google/syzkaller/prog.clone(0x9a7c20, 0xc000336f30, 0xc0017f1308, 0x9a7c20, 0xc001a18de0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x17c github.com/google/syzkaller/prog.clone(0x9a7c20, 0xc000336f90, 0xc0017f1308, 0xc0017f1060, 0x40be26) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x17c github.com/google/syzkaller/prog.clone(0x9a7c60, 0xc000336fc0, 0xc0017f1308, 0x9a7ba0, 0xc001a28e40) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:44 +0x58f github.com/google/syzkaller/prog.clone(0x9a7c20, 0xc000336ff0, 0xc0017f1308, 0xc0017f1388, 0x40be26) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x17c github.com/google/syzkaller/prog.clone(0x9a7c60, 0xc000337020, 0xc0017f1308, 0x9a7ba0, 0xc001a28e00) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:44 +0x58f github.com/google/syzkaller/prog.(*Prog).Clone(0xc000339e40, 0x8f499d) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:24 +0x279 github.com/google/syzkaller/prog.(*randGen).resourceCentric(0xc00194acc0, 0xc00118be00, 0xcb6e20, 0x1, 0x0, 0x0, 0x0, 0x8f499d) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:857 +0xc2 github.com/google/syzkaller/prog.(*ResourceType).generate(0xcb6e20, 0xc00194acc0, 0xc00118be00, 0x30, 0x879360, 0x9a7ba0, 0xc001261340, 0x30) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:688 +0x282 github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc00194acc0, 0xc00118be00, 0x9aed20, 0xcb6e20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:677 +0x506 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:626 github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc00194acc0, 0xc00118be00, 0xca2360, 0x3, 0x3, 0x4eee93, 0xc0024d8000, 0x87ef08c6efa7340, 0xc0017f17e0, 0x4ef283, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:614 +0x107 github.com/google/syzkaller/prog.(*randGen).generateParticularCall(0xc00194acc0, 0xc00118be00, 0xcec980, 0x1, 0x2, 0xc00271e090) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:562 +0xc6 github.com/google/syzkaller/prog.(*randGen).createResource(0xc00194acc0, 0xc00118be00, 0xcb7240, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:395 +0x53c github.com/google/syzkaller/prog.(*ResourceType).generate(0xcb7240, 0xc00194acc0, 0xc00118be00, 0x10, 0x879360, 0xc000138000, 0x2877f5008, 0x10) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:694 +0x203 github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc00194acc0, 0xc00118be00, 0x9aed20, 0xcb7240, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:677 +0x506 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:626 github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc00194acc0, 0xc00118be00, 0xc99090, 0x1, 0x1, 0xa5fb9acc, 0x45635c7169607429, 0xc0017f1d78, 0x78a33e, 0x85a040, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:614 +0x107 github.com/google/syzkaller/prog.(*randGen).generateParticularCall(0xc00194acc0, 0xc00118be00, 0xcecde0, 0x137, 0xc00118be00, 0xc002055800) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:562 +0xc6 github.com/google/syzkaller/prog.(*randGen).generateCall(0xc00194acc0, 0xc00118be00, 0xc0020552c0, 0x5, 0xc0020552c0, 0xc002055640, 0xc00118be00) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:554 +0xb2 github.com/google/syzkaller/prog.(*mutator).insertCall(0xc0017f1ec0, 0x14) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:141 +0xf2 github.com/google/syzkaller/prog.(*Prog).Mutate(0xc0020552c0, 0x9a2460, 0xc0022ddc20, 0x14, 0xc0022e0600, 0xc0024b4000, 0x20b9, 0x2400) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:45 +0x2ea main.(*Proc).loop(0xc0022e0640) /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:259 +0x114c