panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0x500b33] goroutine 29 [running]: github.com/google/syzkaller/prog.newState(0x0, 0xc00023b740, {0xc00162e000, 0x1a47, 0x1c00}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:47 +0x53 github.com/google/syzkaller/prog.analyze(0xc00023b740, {0xc00162e000, 0x1a47, 0x1c00}, 0xc0016203c0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:28 +0x65 github.com/google/syzkaller/prog.(*mutator).insertCall(0xc0005abea0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:140 +0xe5 github.com/google/syzkaller/prog.(*Prog).Mutate(0xc0016203c0, {0x743d88, 0xc00033a120}, 0x14, 0xc00023b740, {0xc00162e000, 0x1a47, 0x1c00}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:45 +0x2ee main.(*Proc).loop(0xc0004c84c0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:95 +0x455 created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:300 +0x1ce9