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(0xc0001c2ea0, 0xc00048c340) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x68 main.(*Fuzzer).deserializeInput(0xc0001c2ea0, 0xc0007c0800, 0x74, 0x74, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0x14c main.(*Fuzzer).addCandidateInput(0xc0001c2ea0, 0xc0007c0800, 0x74, 0x74, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x4d main.(*Fuzzer).poll(0xc0001c2ea0, 0xc00015ab01, 0x0, 0xc00048b050) /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 23:30:20.719528 585049 task_exit.go:252] [ 18] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:20.719943 585049 task_signals.go:216] [ 19] Signal 9: terminating thread group D0510 23:30:20.720142 585049 task_signals.go:216] [ 12] Signal 9: terminating thread group I0510 23:30:20.720159 585049 compat.go:135] Uncaught signal: "killed" (9), PID: 12, TID: 19, fault addr: 0x0 D0510 23:30:20.720272 585049 task_exit.go:252] [ 18] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:20.720335 585049 task_signals.go:216] [ 14] Signal 9: terminating thread group D0510 23:30:20.720491 585049 task_exit.go:252] [ 18] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:20.720535 585049 task_signals.go:216] [ 13] Signal 9: terminating thread group D0510 23:30:20.720878 585049 task_signals.go:216] [ 17] Signal 9: terminating thread group D0510 23:30:20.721035 585049 task_signals.go:216] [ 20] Signal 9: terminating thread group D0510 23:30:20.721270 585049 task_signals.go:216] [ 15] Signal 9: terminating thread group D0510 23:30:20.721690 585049 task_signals.go:216] [ 16] Signal 9: terminating thread group D0510 23:30:20.721974 585049 task_signals.go:216] [ 21] Signal 9: terminating thread group I0510 23:30:20.722320 585049 compat.go:135] Uncaught signal: "killed" (9), PID: 12, TID: 20, fault addr: 0x0 D0510 23:30:20.722401 585049 task_exit.go:252] [ 19] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:30:20.722533 585049 compat.go:135] Uncaught signal: "killed" (9), PID: 12, TID: 21, fault addr: 0x0 I0510 23:30:20.722719 585049 compat.go:135] Uncaught signal: "killed" (9), PID: 12, TID: 13, fault addr: 0x0 I0510 23:30:20.722914 585049 compat.go:135] Uncaught signal: "killed" (9), PID: 12, TID: 12, fault addr: 0x0 I0510 23:30:20.723165 585049 compat.go:135] Uncaught signal: "killed" (9), PID: 12, TID: 17, fault addr: 0x0 D0510 23:30:20.723172 585049 task_exit.go:252] [ 13] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:30:20.723398 585049 compat.go:135] Uncaught signal: "killed" (9), PID: 12, TID: 14, fault addr: 0x0 I0510 23:30:20.723725 585049 compat.go:135] Uncaught signal: "killed" (9), PID: 12, TID: 15, fault addr: 0x0 D0510 23:30:20.723860 585049 task_exit.go:252] [ 14] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:30:20.723891 585049 compat.go:135] Uncaught signal: "killed" (9), PID: 12, TID: 16, fault addr: 0x0 D0510 23:30:20.724226 585049 task_exit.go:252] [ 20] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:20.724677 585049 task_exit.go:252] [ 16] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:20.725287 585049 task_exit.go:252] [ 20] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:20.725432 585049 task_exit.go:252] [ 20] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:20.725906 585049 task_exit.go:252] [ 14] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:20.726092 585049 task_exit.go:252] [ 14] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:20.726312 585049 task_exit.go:252] [ 21] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:20.726680 585049 task_exit.go:252] [ 12] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:20.726845 585049 task_exit.go:252] [ 17] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:20.727170 585049 task_exit.go:252] [ 15] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:20.727802 585049 task_exit.go:252] [ 13] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:20.727991 585049 task_exit.go:252] [ 13] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:20.729013 585049 task_exit.go:252] [ 19] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:20.729190 585049 task_exit.go:252] [ 19] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:20.729746 585049 task_exit.go:252] [ 12] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:20.730305 585049 task_exit.go:252] [ 15] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:20.730461 585049 task_exit.go:252] [ 15] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:20.731183 585049 task_exit.go:252] [ 17] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:20.731378 585049 task_exit.go:252] [ 17] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:20.731713 585049 task_exit.go:252] [ 16] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:20.731877 585049 task_exit.go:252] [ 16] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:20.779917 585049 task_exit.go:252] [ 21] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:20.780155 585049 task_exit.go:252] [ 21] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:20.780414 585049 task_exit.go:252] [ 12] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:20.780892 585049 loader.go:1029] updated processes (removal): map[{ci-gvisor-ptrace-1-race-cover-0 0}:0xc000356300] D0510 23:30:20.781063 585049 controller.go:506] containerManager.Wait, cid: ci-gvisor-ptrace-1-race-cover-0, pid: 12, waitStatus: 0x200, err: D0510 23:30:20.781347 585049 urpc.go:641] urpc: successfully marshalled 38 bytes. D0510 23:30:20.781534 585316 urpc.go:695] urpc: unmarshal success. I0510 23:30:20.781666 585316 main.go:248] Exiting with status: 512 D0510 23:30:20.802117 585049 urpc.go:695] urpc: unmarshal success. D0510 23:30:20.802372 585049 controller.go:565] containerManager.Signal: cid: ci-gvisor-ptrace-1-race-cover-0, PID: 0, signal: 0, mode: Process D0510 23:30:20.802638 585049 urpc.go:641] urpc: successfully marshalled 37 bytes. D0510 23:30:20.804831 585049 urpc.go:695] urpc: unmarshal success. D0510 23:30:20.815395 585049 urpc.go:641] urpc: successfully marshalled 94904 bytes. D0510 23:30:20.835389 585049 urpc.go:695] urpc: unmarshal success. D0510 23:30:20.835594 585049 controller.go:200] containerManager.Processes, cid: ci-gvisor-ptrace-1-race-cover-0 D0510 23:30:20.836628 585049 urpc.go:641] urpc: successfully marshalled 159 bytes.