panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0x6e01c8] goroutine 1 [running]: github.com/google/syzkaller/prog.(*ChoiceTable).Enabled(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prio.go:239 main.(*Fuzzer).checkDisabledCalls(0xc0004a0820, 0xc0006e2ec0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x68 main.(*Fuzzer).deserializeInput(0xc0004a0820, 0xc00013e1e0, 0x60, 0x60, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0x14c main.(*Fuzzer).addCandidateInput(0xc0004a0820, 0xc00013e1e0, 0x60, 0x60, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x4d main.(*Fuzzer).poll(0xc0004a0820, 0xc000492001, 0x0, 0xc000014820) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:409 +0x4d4 main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:273 +0x1271 D0510 23:31:03.939708 592033 task_exit.go:221] [ 21] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:31:03.939741 592033 task_exit.go:221] [ 21] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.939748 592033 task_exit.go:221] [ 21] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:31:03.939747 592033 task_signals.go:189] [ 15] Signal 9: terminating thread group D0510 23:31:03.939773 592033 task_signals.go:189] [ 23] Signal 9: terminating thread group D0510 23:31:03.939774 592033 task_signals.go:189] [ 17] Signal 9: terminating thread group D0510 23:31:03.939787 592033 task_signals.go:189] [ 24] Signal 9: terminating thread group D0510 23:31:03.939795 592033 task_signals.go:189] [ 25] Signal 9: terminating thread group D0510 23:31:03.939801 592033 task_signals.go:189] [ 14] Signal 9: terminating thread group D0510 23:31:03.939805 592033 task_signals.go:189] [ 26] Signal 9: terminating thread group D0510 23:31:03.939812 592033 task_signals.go:189] [ 16] Signal 9: terminating thread group D0510 23:31:03.939813 592033 task_signals.go:189] [ 27] Signal 9: terminating thread group D0510 23:31:03.939820 592033 task_signals.go:189] [ 28] Signal 9: terminating thread group D0510 23:31:03.939827 592033 task_signals.go:189] [ 20] Signal 9: terminating thread group D0510 23:31:03.939836 592033 task_signals.go:189] [ 29] Signal 9: terminating thread group D0510 23:31:03.939867 592033 task_signals.go:189] [ 19] Signal 9: terminating thread group D0510 23:31:03.939854 592033 task_signals.go:189] [ 18] Signal 9: terminating thread group I0510 23:31:03.939783 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 15, fault addr: 0x0 D0510 23:31:03.939956 592033 task_exit.go:221] [ 15] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:31:03.939987 592033 task_exit.go:221] [ 15] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.939995 592033 task_exit.go:221] [ 15] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:31:03.939764 592033 task_signals.go:189] [ 22] Signal 9: terminating thread group I0510 23:31:03.940012 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 23, fault addr: 0x0 D0510 23:31:03.940032 592033 task_exit.go:221] [ 23] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:31:03.940031 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 22, fault addr: 0x0 D0510 23:31:03.940040 592033 task_exit.go:221] [ 23] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.940047 592033 task_exit.go:221] [ 23] Transitioning from exit state TaskExitZombie to TaskExitDead I0510 23:31:03.940059 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 24, fault addr: 0x0 D0510 23:31:03.940060 592033 task_exit.go:221] [ 22] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:31:03.940077 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 17, fault addr: 0x0 D0510 23:31:03.940081 592033 task_exit.go:221] [ 22] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.940088 592033 task_exit.go:221] [ 22] Transitioning from exit state TaskExitZombie to TaskExitDead I0510 23:31:03.940087 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 25, fault addr: 0x0 D0510 23:31:03.940098 592033 task_exit.go:221] [ 24] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:31:03.940105 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 14, fault addr: 0x0 D0510 23:31:03.940112 592033 task_exit.go:221] [ 24] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.940121 592033 task_exit.go:221] [ 24] Transitioning from exit state TaskExitZombie to TaskExitDead I0510 23:31:03.940115 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 26, fault addr: 0x0 D0510 23:31:03.940130 592033 task_exit.go:221] [ 25] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:31:03.940149 592033 task_exit.go:221] [ 25] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.940154 592033 task_exit.go:221] [ 25] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:31:03.940165 592033 task_exit.go:221] [ 26] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:31:03.940144 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 27, fault addr: 0x0 D0510 23:31:03.940184 592033 task_exit.go:221] [ 26] Transitioning from exit state TaskExitInitiated to TaskExitZombie I0510 23:31:03.940188 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 16, fault addr: 0x0 D0510 23:31:03.940191 592033 task_exit.go:221] [ 26] Transitioning from exit state TaskExitZombie to TaskExitDead I0510 23:31:03.940201 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 28, fault addr: 0x0 D0510 23:31:03.940219 592033 task_exit.go:221] [ 28] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:31:03.940243 592033 task_exit.go:221] [ 28] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.940250 592033 task_exit.go:221] [ 28] Transitioning from exit state TaskExitZombie to TaskExitDead I0510 23:31:03.940261 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 20, fault addr: 0x0 D0510 23:31:03.940269 592033 task_exit.go:221] [ 20] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:31:03.940276 592033 task_exit.go:221] [ 20] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.940282 592033 task_exit.go:221] [ 20] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:31:03.940292 592033 task_exit.go:221] [ 14] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:31:03.940314 592033 task_exit.go:221] [ 14] Transitioning from exit state TaskExitInitiated to TaskExitZombie I0510 23:31:03.940323 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 29, fault addr: 0x0 D0510 23:31:03.940338 592033 task_exit.go:221] [ 29] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:31:03.940345 592033 task_exit.go:221] [ 29] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.940350 592033 task_exit.go:221] [ 29] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:31:03.940359 592033 task_exit.go:221] [ 27] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:31:03.940358 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 19, fault addr: 0x0 D0510 23:31:03.940366 592033 task_exit.go:221] [ 27] Transitioning from exit state TaskExitInitiated to TaskExitZombie I0510 23:31:03.940368 592033 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 18, fault addr: 0x0 D0510 23:31:03.940371 592033 task_exit.go:221] [ 27] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:31:03.940377 592033 task_exit.go:221] [ 18] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:31:03.940385 592033 task_exit.go:221] [ 18] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.940391 592033 task_exit.go:221] [ 18] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:31:03.940398 592033 task_exit.go:221] [ 19] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:31:03.940405 592033 task_exit.go:221] [ 19] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.940410 592033 task_exit.go:221] [ 19] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:31:03.940419 592033 task_exit.go:221] [ 16] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:31:03.940434 592033 task_exit.go:221] [ 16] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.940440 592033 task_exit.go:221] [ 16] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:31:03.940450 592033 task_exit.go:221] [ 17] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:31:03.942128 592033 task_exit.go:221] [ 17] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:31:03.942157 592033 task_exit.go:221] [ 17] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:31:03.942171 592033 task_exit.go:221] [ 14] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:31:03.942189 592033 loader.go:1029] updated processes (removal): map[{ci-gvisor-ptrace-1-0 0}:0xc0003eb770] D0510 23:31:03.942207 592033 controller.go:506] containerManager.Wait, cid: ci-gvisor-ptrace-1-0, pid: 14, waitStatus: 0x200, err: D0510 23:31:03.942266 592033 urpc.go:551] urpc: successfully marshalled 38 bytes. D0510 23:31:03.942438 592152 urpc.go:594] urpc: unmarshal success. I0510 23:31:03.942507 592152 main.go:248] Exiting with status: 512 D0510 23:31:03.990528 592033 urpc.go:594] urpc: unmarshal success. D0510 23:31:03.990587 592033 controller.go:565] containerManager.Signal: cid: ci-gvisor-ptrace-1-0, PID: 0, signal: 0, mode: Process D0510 23:31:03.990643 592033 urpc.go:551] urpc: successfully marshalled 37 bytes. D0510 23:31:03.991242 592033 urpc.go:594] urpc: unmarshal success. D0510 23:31:03.993922 592033 urpc.go:551] urpc: successfully marshalled 94433 bytes. D0510 23:31:04.051356 592033 urpc.go:594] urpc: unmarshal success. D0510 23:31:04.051415 592033 controller.go:200] containerManager.Processes, cid: ci-gvisor-ptrace-1-0 D0510 23:31:04.051546 592033 urpc.go:551] urpc: successfully marshalled 166 bytes. I0510 23:31:04.293484 592033 calibrated_clock.go:74] CalibratedClock(Monotonic): ready I0510 23:31:04.293597 592033 calibrated_clock.go:74] CalibratedClock(Realtime): ready