panic: (runtime.errorString) (0x,0x) fatal error: panic holding locks goroutine 1 [running]: runtime.throw(0x, 0x) /syzkaller/go/src/runtime/panic.go:1116 +0x fp=0x sp=0x pc=0x panic(0x, 0x) /syzkaller/go/src/runtime/panic.go:917 +0x fp=0x sp=0x pc=0x runtime.growslice(0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x) /syzkaller/go/src/runtime/slice.go:170 +0x fp=0x sp=0x pc=0x sync.(*Pool).pinSlow(0x, 0x, 0x) /syzkaller/go/src/sync/pool.go:223 +0x fp=0x sp=0x pc=0x sync.(*Pool).pin(0x, 0x, 0x) /syzkaller/go/src/sync/pool.go:206 +0x fp=0x sp=0x pc=0x sync.(*Pool).Get(0x, 0x, 0x) /syzkaller/go/src/sync/pool.go:128 +0x fp=0x sp=0x pc=0x fmt.newPrinter(0x) /syzkaller/go/src/fmt/print.go:137 +0x fp=0x sp=0x pc=0x fmt.Errorf(0x, 0x, 0x, 0x, 0x, 0x, 0x) /syzkaller/go/src/fmt/errors.go:18 +0x fp=0x sp=0x pc=0x github.com/google/syzkaller/prog.(*parser).parseProg(0x, 0x, 0x, 0x) /syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:264 +0x fp=0x sp=0x pc=0x github.com/google/syzkaller/prog.(*Target).Deserialize(0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x) /syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:214 +0x fp=0x sp=0x pc=0x main.(*Fuzzer).deserializeInput(0x, 0x, 0x, 0x, 0x) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:441 +0x fp=0x sp=0x pc=0x main.(*Fuzzer).addInputFromAnotherFuzzer(0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x, 0x, ...) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:413 +0x fp=0x sp=0x pc=0x main.(*Fuzzer).poll(0x, 0x, 0x, 0x) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:391 +0x fp=0x sp=0x pc=0x main.(*Fuzzer).pollLoop(0x) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:368 +0x fp=0x sp=0x pc=0x main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:285 +0x fp=0x sp=0x pc=0x runtime.main() /syzkaller/go/src/runtime/proc.go:203 +0x fp=0x sp=0x pc=0x runtime.goexit() /syzkaller/go/src/runtime/asm_amd64.s:1373 +0x fp=0x sp=0x pc=0x fatal error: panic during panic runtime.throw(0x, 0x) /syzkaller/go/src/runtime/panic.go:1116 +0x runtime.panicCheck1(0x, 0x, 0x) /syzkaller/go/src/runtime/panic.go:34 +0x runtime.goPanicIndex(0x, 0x) /syzkaller/go/src/runtime/panic.go:87 +0x runtime.cfuncname(...) /syzkaller/go/src/runtime/symtab.go:798 runtime.funcname(0x, 0x, 0x, 0x) /syzkaller/go/src/runtime/symtab.go:802 +0x runtime.isSystemGoroutine(0x, 0x, 0x) /syzkaller/go/src/runtime/traceback.go:1040 +0x runtime.tracebackothers(0x) /syzkaller/go/src/runtime/traceback.go:931 +0x runtime.dopanic_m(0x, 0x, 0x, 0x) /syzkaller/go/src/runtime/panic.go:1322 +0x runtime.fatalthrow.func1() /syzkaller/go/src/runtime/panic.go:1171 +0x runtime.systemstack(0x) /syzkaller/go/src/runtime/asm_amd64.s:370 +0x runtime.mstart() /syzkaller/go/src/runtime/proc.go:1041