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(0xc00049c680, 0xc0003df840) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x68 main.(*Fuzzer).deserializeInput(0xc00049c680, 0xc0001fc0b0, 0xa8, 0xa8, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0x14c main.(*Fuzzer).addCandidateInput(0xc00049c680, 0xc0001fc0b0, 0xa8, 0xa8, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x4d main.(*Fuzzer).poll(0xc00049c680, 0xc0003dee01, 0x0, 0xc0001aa5a0) /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 23:29:28.397727 578022 task_exit.go:221] [ 23] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:29:28.397760 578022 task_exit.go:221] [ 23] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:29:28.397766 578022 task_exit.go:221] [ 23] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:29:28.397763 578022 task_signals.go:189] [ 14] Signal 9: terminating thread group D0510 23:29:28.397780 578022 task_signals.go:189] [ 26] Signal 9: terminating thread group D0510 23:29:28.397804 578022 task_signals.go:189] [ 28] Signal 9: terminating thread group D0510 23:29:28.397801 578022 task_signals.go:189] [ 25] Signal 9: terminating thread group D0510 23:29:28.397826 578022 task_signals.go:189] [ 27] Signal 9: terminating thread group D0510 23:29:28.397837 578022 task_signals.go:189] [ 22] Signal 9: terminating thread group D0510 23:29:28.397847 578022 task_signals.go:189] [ 21] Signal 9: terminating thread group D0510 23:29:28.397844 578022 task_signals.go:189] [ 15] Signal 9: terminating thread group D0510 23:29:28.397854 578022 task_signals.go:189] [ 16] Signal 9: terminating thread group I0510 23:29:28.397785 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 14, fault addr: 0x0 D0510 23:29:28.397868 578022 task_signals.go:189] [ 17] Signal 9: terminating thread group D0510 23:29:28.397870 578022 task_signals.go:189] [ 24] Signal 9: terminating thread group D0510 23:29:28.397835 578022 task_signals.go:189] [ 20] Signal 9: terminating thread group D0510 23:29:28.397873 578022 task_exit.go:221] [ 14] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:29:28.397892 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 26, fault addr: 0x0 D0510 23:29:28.397910 578022 task_signals.go:189] [ 19] Signal 9: terminating thread group D0510 23:29:28.397907 578022 task_exit.go:221] [ 14] Transitioning from exit state TaskExitInitiated to TaskExitZombie I0510 23:29:28.397919 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 28, fault addr: 0x0 D0510 23:29:28.397898 578022 task_signals.go:189] [ 18] Signal 9: terminating thread group I0510 23:29:28.397928 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 25, fault addr: 0x0 D0510 23:29:28.397936 578022 task_exit.go:221] [ 28] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:29:28.397935 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 27, fault addr: 0x0 D0510 23:29:28.397995 578022 task_exit.go:221] [ 28] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:29:28.398024 578022 task_exit.go:221] [ 28] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:29:28.398033 578022 task_exit.go:221] [ 26] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:29:28.397986 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 21, fault addr: 0x0 D0510 23:29:28.398051 578022 task_exit.go:221] [ 26] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:29:28.398058 578022 task_exit.go:221] [ 26] Transitioning from exit state TaskExitZombie to TaskExitDead I0510 23:29:28.398058 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 22, fault addr: 0x0 D0510 23:29:28.398075 578022 task_exit.go:221] [ 22] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:29:28.398097 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 16, fault addr: 0x0 D0510 23:29:28.398103 578022 task_exit.go:221] [ 22] Transitioning from exit state TaskExitInitiated to TaskExitZombie I0510 23:29:28.398120 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 15, fault addr: 0x0 D0510 23:29:28.398122 578022 task_exit.go:221] [ 22] Transitioning from exit state TaskExitZombie to TaskExitDead I0510 23:29:28.398129 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 17, fault addr: 0x0 D0510 23:29:28.398137 578022 task_exit.go:221] [ 17] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:29:28.398148 578022 task_exit.go:221] [ 17] Transitioning from exit state TaskExitInitiated to TaskExitZombie I0510 23:29:28.398149 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 20, fault addr: 0x0 I0510 23:29:28.398162 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 24, fault addr: 0x0 D0510 23:29:28.398153 578022 task_exit.go:221] [ 17] Transitioning from exit state TaskExitZombie to TaskExitDead I0510 23:29:28.398174 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 19, fault addr: 0x0 D0510 23:29:28.398185 578022 task_exit.go:221] [ 21] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:29:28.398186 578022 compat.go:135] Uncaught signal: "killed" (9), PID: 14, TID: 18, fault addr: 0x0 D0510 23:29:28.398195 578022 task_exit.go:221] [ 21] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:29:28.398200 578022 task_exit.go:221] [ 21] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:29:28.398207 578022 task_exit.go:221] [ 18] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:29:28.398217 578022 task_exit.go:221] [ 18] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:29:28.398224 578022 task_exit.go:221] [ 18] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:29:28.398238 578022 task_exit.go:221] [ 27] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:29:28.398248 578022 task_exit.go:221] [ 27] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:29:28.398254 578022 task_exit.go:221] [ 27] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:29:28.398268 578022 task_exit.go:221] [ 25] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:29:28.398302 578022 task_exit.go:221] [ 25] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:29:28.398308 578022 task_exit.go:221] [ 25] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:29:28.398323 578022 task_exit.go:221] [ 16] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:29:28.398351 578022 task_exit.go:221] [ 16] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:29:28.398357 578022 task_exit.go:221] [ 16] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:29:28.398367 578022 task_exit.go:221] [ 15] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:29:28.398374 578022 task_exit.go:221] [ 15] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:29:28.398379 578022 task_exit.go:221] [ 15] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:29:28.398388 578022 task_exit.go:221] [ 20] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:29:28.398402 578022 task_exit.go:221] [ 20] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:29:28.398407 578022 task_exit.go:221] [ 20] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:29:28.398418 578022 task_exit.go:221] [ 24] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:29:28.398425 578022 task_exit.go:221] [ 24] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:29:28.398430 578022 task_exit.go:221] [ 24] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:29:28.398439 578022 task_exit.go:221] [ 19] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:29:28.400064 578022 task_exit.go:221] [ 19] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:29:28.400084 578022 task_exit.go:221] [ 19] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:29:28.400091 578022 task_exit.go:221] [ 14] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:29:28.400107 578022 loader.go:1029] updated processes (removal): map[{ci-gvisor-ptrace-3-0 0}:0xc0001a2e70] D0510 23:29:28.400127 578022 controller.go:506] containerManager.Wait, cid: ci-gvisor-ptrace-3-0, pid: 14, waitStatus: 0x200, err: D0510 23:29:28.400193 578022 urpc.go:551] urpc: successfully marshalled 38 bytes. D0510 23:29:28.400359 578129 urpc.go:594] urpc: unmarshal success. I0510 23:29:28.400467 578129 main.go:248] Exiting with status: 512 D0510 23:29:28.438057 578022 urpc.go:594] urpc: unmarshal success. D0510 23:29:28.438103 578022 controller.go:565] containerManager.Signal: cid: ci-gvisor-ptrace-3-0, PID: 0, signal: 0, mode: Process D0510 23:29:28.438146 578022 urpc.go:551] urpc: successfully marshalled 37 bytes. D0510 23:29:28.438500 578022 urpc.go:594] urpc: unmarshal success. D0510 23:29:28.439388 578022 urpc.go:551] urpc: successfully marshalled 37570 bytes. D0510 23:29:28.440290 578022 urpc.go:594] urpc: unmarshal success. D0510 23:29:28.440320 578022 controller.go:200] containerManager.Processes, cid: ci-gvisor-ptrace-3-0 D0510 23:29:28.440421 578022 urpc.go:551] urpc: successfully marshalled 166 bytes. I0510 23:29:28.822679 578022 calibrated_clock.go:74] CalibratedClock(Monotonic): ready I0510 23:29:28.822761 578022 calibrated_clock.go:74] CalibratedClock(Realtime): ready