/usr/local/go/src/net/rpc/client.go:228runtime: newstack sp=0xc001942b20 stack=[0xc001944000, 0xc001946000] morebuf={pc:0x471020 sp:0xc001942b30 lr:0x0} sched={pc:0x45220f sp:0xc001942b28 lr:0x0 ctxt:0x0} runtime: gp=0xc0006fd520, goid=11, gp->status=0x2 runtime: split stack overflow: 0xc001942b20 < 0xc001944000 fatal error: runtime: split stack overflow +0x25 fp=0xc00094de78 sp=0xc00094de50 pc=0x9b3545 net/rpc.(*Client).input(0xc000090180) /usr/local/go/src/net/rpc/client.go:109 +0x9f fp=0xc00094dfc8 sp=0xc00094de78 pc=0x9b279f net/rpc.NewClientWithCodec.func1() /usr/local/go/src/net/rpc/client.go:206 +0x25 fp=0xc00094dfe0 sp=0xc00094dfc8 pc=0x9b3425 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00094dfe8 sp=0xc00094dfe0 pc=0x471001 created by net/rpc.NewClientWithCodec in goroutine 1 /usr/local/go/src/net/rpc/client.go:206 +0xb6 goroutine 11 [running]: goroutine running on other thread; stack unavailable created by main.main in goroutine 1 /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:256 +0x114c goroutine 12 [sleep]: runtime.gopark(0xa689162c13?, 0x25800000257?, 0xf2?, 0xf1?, 0xc00017bd60?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00017bd30 sp=0xc00017bd10 pc=0x43e06e time.Sleep(0x3b9aca00) /usr/local/go/src/runtime/time.go:195 +0x125 fp=0xc00017bd70 sp=0xc00017bd30 pc=0x46e145 main.(*Proc).executeRaw(0xc000e86340, 0xc00155ca00?, 0xc0017d20c0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:118 +0xa7 fp=0xc00017be88 sp=0xc00017bd70 pc=0xa370e7 main.(*Proc).loop(0xc000e86340) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:65 +0x12a fp=0xc00017bfc8 sp=0xc00017be88 pc=0xa36c6a main.main.func2() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:256 +0x25 fp=0xc00017bfe0 sp=0xc00017bfc8 pc=0xa34725 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00017bfe8 sp=0xc00017bfe0 pc=0x471001 created by main.main in goroutine 1 /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:256 +0x114c goroutine 13 [select]: runtime.gopark(0x471020?, 0x471020?, 0x20?, 0x10?, 0x471020?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0019438a0 sp=0xc001943880 pc=0x43e06e runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019438a8 sp=0xc0019438a0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019438b0 sp=0xc0019438a8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019438b8 sp=0xc0019438b0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019438c0 sp=0xc0019438b8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019438c8 sp=0xc0019438c0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019438d0 sp=0xc0019438c8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019438d8 sp=0xc0019438d0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019438e0 sp=0xc0019438d8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019438e8 sp=0xc0019438e0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019438f0 sp=0xc0019438e8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019438f8 sp=0xc0019438f0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943900 sp=0xc0019438f8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943908 sp=0xc001943900 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943910 sp=0xc001943908 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943918 sp=0xc001943910 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943920 sp=0xc001943918 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943928 sp=0xc001943920 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943930 sp=0xc001943928 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943938 sp=0xc001943930 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943940 sp=0xc001943938 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943948 sp=0xc001943940 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943950 sp=0xc001943948 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943958 sp=0xc001943950 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943960 sp=0xc001943958 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943968 sp=0xc001943960 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943970 sp=0xc001943968 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943978 sp=0xc001943970 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943980 sp=0xc001943978 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943988 sp=0xc001943980 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943990 sp=0xc001943988 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943998 sp=0xc001943990 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019439a0 sp=0xc001943998 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019439a8 sp=0xc0019439a0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019439b0 sp=0xc0019439a8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019439b8 sp=0xc0019439b0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019439c0 sp=0xc0019439b8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019439c8 sp=0xc0019439c0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019439d0 sp=0xc0019439c8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019439d8 sp=0xc0019439d0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019439e0 sp=0xc0019439d8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019439e8 sp=0xc0019439e0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019439f0 sp=0xc0019439e8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019439f8 sp=0xc0019439f0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943a00 sp=0xc0019439f8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943a08 sp=0xc001943a00 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943a10 sp=0xc001943a08 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943a18 sp=0xc001943a10 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943a20 sp=0xc001943a18 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001943a28 sp=0xc001943a20 pc=0x471020 ...849 frames elided... runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019454b8 sp=0xc0019454b0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019454c0 sp=0xc0019454b8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019454c8 sp=0xc0019454c0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019454d0 sp=0xc0019454c8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019454d8 sp=0xc0019454d0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019454e0 sp=0xc0019454d8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019454e8 sp=0xc0019454e0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019454f0 sp=0xc0019454e8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019454f8 sp=0xc0019454f0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945500 sp=0xc0019454f8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945508 sp=0xc001945500 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945510 sp=0xc001945508 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945518 sp=0xc001945510 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945520 sp=0xc001945518 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945528 sp=0xc001945520 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945530 sp=0xc001945528 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945538 sp=0xc001945530 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945540 sp=0xc001945538 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945548 sp=0xc001945540 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945550 sp=0xc001945548 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945558 sp=0xc001945550 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945560 sp=0xc001945558 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945568 sp=0xc001945560 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945570 sp=0xc001945568 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945578 sp=0xc001945570 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945580 sp=0xc001945578 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945588 sp=0xc001945580 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945590 sp=0xc001945588 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc001945598 sp=0xc001945590 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019455a0 sp=0xc001945598 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019455a8 sp=0xc0019455a0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019455b0 sp=0xc0019455a8 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019455b8 sp=0xc0019455b0 pc=0x471020 runtime.sigpanic0() /usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc0019455c0 sp=0xc0019455b8 pc=0x471020 runtime.rtsigprocmask() /usr/local/go/src/runtime/sys_linux_amd64.s:294 +0x1a fp=0xc0019455c8 sp=0xc0019455c0 pc=0x472a9a runtime.sigprocmask(...) /usr/local/go/src/runtime/os_linux.go:459 runtime.msigrestore(...) /usr/local/go/src/runtime/signal_unix.go:1175 syscall.runtime_AfterFork() /usr/local/go/src/runtime/proc.go:4393 +0x5e fp=0xc001945608 sp=0xc0019455c8 pc=0x46c45e syscall.forkAndExecInChild(0x4531c9?, {0xc0000aefa8?, 0xc000252f00?, 0x0?}, {0xc0017b41e0?, 0x13?, 0x1?}, 0x0?, 0xc000935758?, 0xc000935870, ...) /usr/local/go/src/syscall/exec_linux.go:132 +0x88 fp=0xc0019456c8 sp=0xc001945608 pc=0x4b8788 syscall.forkExec({0xc000039110?, 0x4454bc?}, {0xc000f095e0, 0x2, 0x2}, 0xc0006fd520?) /usr/local/go/src/syscall/exec_unix.go:205 +0x352 fp=0xc0019457e8 sp=0xc0019456c8 pc=0x4bab52 syscall.StartProcess(...) /usr/local/go/src/syscall/exec_unix.go:251 os.startProcess({0xc000039110, 0x14}, {0xc000f095e0, 0x2, 0x2}, 0xc001945a28) /usr/local/go/src/os/exec_posix.go:54 +0x312 fp=0xc0019458c8 sp=0xc0019457e8 pc=0x4e6872 os.StartProcess({0xc000039110, 0x14}, {0xc000f095e0, 0x2, 0x2}, 0x418408?) /usr/local/go/src/os/exec.go:111 +0x54 fp=0xc001945910 sp=0xc0019458c8 pc=0x4e6294 os/exec.(*Cmd).Start(0xc000251a20) /usr/local/go/src/os/exec/exec.go:693 +0x5e5 fp=0xc001945a88 sp=0xc001945910 pc=0x744665 github.com/google/syzkaller/pkg/ipc.makeCommand(0x0, {0xc000e862e0, 0x2, 0x2}, 0xc00050cde0, 0xc0005c8198, 0xc0005c81a0, {0x7f3681376000, 0x1000000, 0x1000000}, ...) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:672 +0xa85 fp=0xc001945d00 sp=0xc001945a88 pc=0x9f5c85 github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc000480510, 0xccf121?) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:320 +0xd1 fp=0xc001945d70 sp=0xc001945d00 pc=0x9f3371 main.(*Proc).executeRaw(0xc000e86300, 0xc0013c5000?, 0xc0013c6000) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:97 +0xd0 fp=0xc001945e88 sp=0xc001945d70 pc=0xa37110 main.(*Proc).loop(0xc000e86300) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:65 +0x12a fp=0xc001945fc8 sp=0xc001945e88 pc=0xa36c6a main.main.func2() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:256 +0x25 fp=0xc001945fe0 sp=0xc001945fc8 pc=0xa34725 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc001945fe8 sp=0xc001945fe0 pc=0x471001 created by main.main in goroutine 1 /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:256 +0x114c goroutine 16206 [syscall]: syscall.Syscall6(0xc000989e20?, 0x424fdc?, 0x2510520?, 0xc000989e28?, 0xc000989e28?, 0x44dc90?, 0x43e06e?) /usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc000989de0 sp=0xc000989d58 pc=0x4c2630 os.(*Process).blockUntilWaitable(0xc001544870) /usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc000989eb8 sp=0xc000989de0 pc=0x4ed176 os.(*Process).wait(0xc001544870) /usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000989f18 sp=0xc000989eb8 pc=0x4e6c65 os.(*Process).Wait(...) /usr/local/go/src/os/exec.go:134 os/exec.(*Cmd).Wait(0xc000251b80) /usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000989f80 sp=0xc000989f18 pc=0x745465 github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0000fb500) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:678 +0x28 fp=0xc000989fc8 sp=0xc000989f80 pc=0x9f60a8 github.com/google/syzkaller/pkg/ipc.makeCommand.func8() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:683 +0x27 fp=0xc000989fe0 sp=0xc000989fc8 pc=0x9f6047 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000989fe8 sp=0xc000989fe0 pc=0x471001 created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 15 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:677 +0xc34 goroutine 14 [sleep]: runtime.gopark(0xa6882c6fa3?, 0x25700000256?, 0xf2?, 0xf1?, 0xc00017ad60?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00017ad30 sp=0xc00017ad10 pc=0x43e06e time.Sleep(0x3b9aca00) /usr/local/go/src/runtime/time.go:195 +0x125 fp=0xc00017ad70 sp=0xc00017ad30 pc=0x46e145 main.(*Proc).executeRaw(0xc000e863e0, 0xc0014cf500?, 0xc0002ecc00) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:118 +0xa7 fp=0xc00017ae88 sp=0xc00017ad70 pc=0xa370e7 main.(*Proc).loop(0xc000e863e0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:65 +0x12a fp=0xc00017afc8 sp=0xc00017ae88 pc=0xa36c6a main.main.func2() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:256 +0x25 fp=0xc00017afe0 sp=0xc00017afc8 pc=0xa34725 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00017afe8 sp=0xc00017afe0 pc=0x471001 created by main.main in goroutine 1 /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:256 +0x114c goroutine 16265 [select]: runtime.gopark(0xc00098a7b0?, 0x2?, 0x80?, 0x27?, 0xc00098a78c?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00098a638 sp=0xc00098a618 pc=0x43e06e runtime.selectgo(0xc00098a7b0, 0xc00098a788, 0xc000d3e168?, 0x0, 0x4?, 0x1) /usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc00098a758 sp=0xc00098a638 pc=0x44e4e5 github.com/google/syzkaller/pkg/ipc.(*command).exec.func1() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:797 +0x77 fp=0xc00098a7e0 sp=0xc00098a758 pc=0x9f7777 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00098a7e8 sp=0xc00098a7e0 pc=0x471001 created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 15 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:795 +0x23f goroutine 15 [IO wait]: runtime.gopark(0xc001388378?, 0xb?, 0x0?, 0x0?, 0x20?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc001453968 sp=0xc001453948 pc=0x43e06e runtime.netpollblock(0x4c0678?, 0x407de6?, 0x0?) /usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0014539a0 sp=0xc001453968 pc=0x436ad7 internal/poll.runtime_pollWait(0x7f3682b0e288, 0x72) /usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0014539c0 sp=0xc0014539a0 pc=0x46b7c5 internal/poll.(*pollDesc).wait(0xc00177aae0?, 0xc0013c89b0?, 0x1) /usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0014539e8 sp=0xc0014539c0 pc=0x4db007 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:89 internal/poll.(*FD).Read(0xc00177aae0, {0xc0013c89b0, 0xc, 0xc}) /usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc001453a80 sp=0xc0014539e8 pc=0x4dc2fa os.(*File).read(...) /usr/local/go/src/os/file_posix.go:29 os.(*File).Read(0xc0005c82e8, {0xc0013c89b0?, 0xc001453af8?, 0x410745?}) /usr/local/go/src/os/file.go:118 +0x52 fp=0xc001453ac0 sp=0xc001453a80 pc=0x4e73f2 io.ReadAtLeast({0xead140, 0xc0005c82e8}, {0xc0013c89b0, 0xc, 0xc}, 0xc) /usr/local/go/src/io/io.go:335 +0x90 fp=0xc001453b08 sp=0xc001453ac0 pc=0x4b6530 io.ReadFull(...) /usr/local/go/src/io/io.go:354 github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0000fb500, 0x7f367d376000?, {0x0, 0x0, 0x0}) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:812 +0x52a fp=0xc001453cc0 sp=0xc001453b08 pc=0x9f708a github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc000480750, 0xc0004b4500?, 0xc001396140) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:280 +0x126 fp=0xc001453d70 sp=0xc001453cc0 pc=0x9f3086 main.(*Proc).executeRaw(0xc000e86420, 0xc00066ce00?, 0xc001396140) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:102 +0x134 fp=0xc001453e88 sp=0xc001453d70 pc=0xa37174 main.(*Proc).loop(0xc000e86420) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:65 +0x12a fp=0xc001453fc8 sp=0xc001453e88 pc=0xa36c6a main.main.func2() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:256 +0x25 fp=0xc001453fe0 sp=0xc001453fc8 pc=0xa34725 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc001453fe8 sp=0xc001453fe0 pc=0x471001 created by main.main in goroutine 1 /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:256 +0x114c goroutine 16 [chan receive]: runtime.gopark(0x0?, 0x1?, 0x0?, 0x0?, 0xc000168000?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000f1dd48 sp=0xc000f1dd28 pc=0x43e06e runtime.chanrecv(0xc000090c00, 0xc000f1def8, 0x1) /usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000f1ddc0 sp=0xc000f1dd48 pc=0x4099ad runtime.chanrecv2(0xc000a4e000?, 0x1?) /usr/local/go/src/runtime/chan.go:447 +0x12 fp=0xc000f1dde8 sp=0xc000f1ddc0 pc=0x4095d2 main.(*FuzzerTool).exchangeDataWorker(0xc000a4e000) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:360 +0xa5 fp=0xc000f1dfc8 sp=0xc000f1dde8 pc=0xa357e5 main.main.func3() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:258 +0x25 fp=0xc000f1dfe0 sp=0xc000f1dfc8 pc=0xa346c5 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000f1dfe8 sp=0xc000f1dfe0 pc=0x471001 created by main.main in goroutine 1 /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:258 +0x12ff goroutine 16266 [IO wait]: runtime.gopark(0xc0009fce28?, 0xb?, 0x0?, 0x0?, 0xd?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0009fce00 sp=0xc0009fcde0 pc=0x43e06e runtime.netpollblock(0x4c0678?, 0x407de6?, 0x0?) /usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0009fce38 sp=0xc0009fce00 pc=0x436ad7 internal/poll.runtime_pollWait(0x7f368277f4a8, 0x72) /usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0009fce58 sp=0xc0009fce38 pc=0x46b7c5 internal/poll.(*pollDesc).wait(0xc001642840?, 0xc000b98000?, 0x1) /usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0009fce80 sp=0xc0009fce58 pc=0x4db007 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:89 internal/poll.(*FD).Read(0xc001642840, {0xc000b98000, 0x20000, 0x20000}) /usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0009fcf18 sp=0xc0009fce80 pc=0x4dc2fa os.(*File).read(...) /usr/local/go/src/os/file_posix.go:29 os.(*File).Read(0xc000dd0180, {0xc000b98000?, 0xc0003ba0d8?, 0x4?}) /usr/local/go/src/os/file.go:118 +0x52 fp=0xc0009fcf58 sp=0xc0009fcf18 pc=0x4e73f2 github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc00051e850) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:655 +0x89 fp=0xc0009fcfc8 sp=0xc0009fcf58 pc=0x9f6209 github.com/google/syzkaller/pkg/ipc.makeCommand.func7() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:670 +0x27 fp=0xc0009fcfe0 sp=0xc0009fcfc8 pc=0x9f6147 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0009fcfe8 sp=0xc0009fcfe0 pc=0x471001 created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 13 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:649 +0xa25 goroutine 16267 [syscall]: syscall.Syscall6(0x4c25da?, 0xc0009886a4?, 0xc000988628?, 0x436ad7?, 0x43728e?, 0x0?, 0x46f1f2?) /usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc0009885e0 sp=0xc000988558 pc=0x4c2630 os.(*Process).blockUntilWaitable(0xc00003db60) /usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc0009886b8 sp=0xc0009885e0 pc=0x4ed176 os.(*Process).wait(0xc00003db60) /usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000988718 sp=0xc0009886b8 pc=0x4e6c65 os.(*Process).Wait(...) /usr/local/go/src/os/exec.go:134 os/exec.(*Cmd).Wait(0xc000251600) /usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000988780 sp=0xc000988718 pc=0x745465 github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc00051e850) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:678 +0x28 fp=0xc0009887c8 sp=0xc000988780 pc=0x9f60a8 github.com/google/syzkaller/pkg/ipc.makeCommand.func8() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:683 +0x27 fp=0xc0009887e0 sp=0xc0009887c8 pc=0x9f6047 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0009887e8 sp=0xc0009887e0 pc=0x471001 created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 13 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:677 +0xc34 goroutine 16268 [IO wait]: runtime.gopark(0xc00184c1a0?, 0xb?, 0x0?, 0x0?, 0x12?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00106f5b8 sp=0xc00106f598 pc=0x43e06e runtime.netpollblock(0x4c0678?, 0x407de6?, 0x0?) /usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00106f5f0 sp=0xc00106f5b8 pc=0x436ad7 internal/poll.runtime_pollWait(0x7f368277f790, 0x72) /usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00106f610 sp=0xc00106f5f0 pc=0x46b7c5 internal/poll.(*pollDesc).wait(0xc001642c60?, 0xc0013c8c30?, 0x1) /usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00106f638 sp=0xc00106f610 pc=0x4db007 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:89 internal/poll.(*FD).Read(0xc001642c60, {0xc0013c8c30, 0x4, 0x4}) /usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc00106f6d0 sp=0xc00106f638 pc=0x4dc2fa os.(*File).read(...) /usr/local/go/src/os/file_posix.go:29 os.(*File).Read(0xc000dd01d0, {0xc0013c8c30?, 0xc00106f748?, 0x410745?}) /usr/local/go/src/os/file.go:118 +0x52 fp=0xc00106f710 sp=0xc00106f6d0 pc=0x4e73f2 io.ReadAtLeast({0xead140, 0xc000dd01d0}, {0xc0013c8c30, 0x4, 0x4}, 0x4) /usr/local/go/src/io/io.go:335 +0x90 fp=0xc00106f758 sp=0xc00106f710 pc=0x4b6530 io.ReadFull(...) /usr/local/go/src/io/io.go:354 github.com/google/syzkaller/pkg/ipc.(*command).handshake.func1() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:731 +0x5e fp=0xc00106f7e0 sp=0xc00106f758 pc=0x9f68be runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00106f7e8 sp=0xc00106f7e0 pc=0x471001 created by github.com/google/syzkaller/pkg/ipc.(*command).handshake in goroutine 13 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:728 +0x150 goroutine 16269 [runnable]: github.com/google/syzkaller/pkg/ipc.makeCommand.func7() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:649 fp=0xc0019a9fe0 sp=0xc0019a9fd8 pc=0x9f6120 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0019a9fe8 sp=0xc0019a9fe0 pc=0x471001 created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 11 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:649 +0xa25 goroutine 16205 [IO wait]: runtime.gopark(0xb26e20?, 0xb?, 0x0?, 0x0?, 0x19?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0019a6600 sp=0xc0019a65e0 pc=0x43e06e runtime.netpollblock(0x4c0678?, 0x407de6?, 0x0?) /usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0019a6638 sp=0xc0019a6600 pc=0x436ad7 internal/poll.runtime_pollWait(0x7f3682b0e668, 0x72) /usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0019a6658 sp=0xc0019a6638 pc=0x46b7c5 internal/poll.(*pollDesc).wait(0xc00177aa20?, 0xc000e1a000?, 0x1) /usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0019a6680 sp=0xc0019a6658 pc=0x4db007 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:89 internal/poll.(*FD).Read(0xc00177aa20, {0xc000e1a000, 0x20000, 0x20000}) /usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0019a6718 sp=0xc0019a6680 pc=0x4dc2fa os.(*File).read(...) /usr/local/go/src/os/file_posix.go:29 os.(*File).Read(0xc0005c82d8, {0xc000e1a000?, 0x4cdbaf?, 0xc0019a67b8?}) /usr/local/go/src/os/file.go:118 +0x52 fp=0xc0019a6758 sp=0xc0019a6718 pc=0x4e73f2 github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0000fb500) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:655 +0x89 fp=0xc0019a67c8 sp=0xc0019a6758 pc=0x9f6209 github.com/google/syzkaller/pkg/ipc.makeCommand.func7() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:670 +0x27 fp=0xc0019a67e0 sp=0xc0019a67c8 pc=0x9f6147 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0019a67e8 sp=0xc0019a67e0 pc=0x471001 created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 15 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:649 +0xa25 rax 0x0 rbx 0xc000042198 rcx 0x472857 rdx 0x0 rdi 0xc000ab5d50 rsi 0x0 rbp 0xc000ab5d60 rsp 0xc000ab5d50 r8 0x0 r9 0x0 r10 0xa0761d6478bd642f r11 0x206 r12 0xc000042000 r13 0x4 r14 0xc000422680 r15 0x7 rip 0x472857 rflags 0x206 cs 0x33 fs 0x0 gs 0x0