panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0x6e01c8] D0510 23:30:15.383261 584609 task_signals.go:467] [ 23] Notified of signal 23 D0510 23:30:15.383331 584609 task_signals.go:220] [ 23] Signal 23: delivering to handler goroutine 1 [running]: github.com/google/syzkaller/prog.(*ChoiceTable).Enabled(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prio.go:239 main.(*Fuzzer).checkDisabledCalls(0xc000616b60, 0xc0003e5ec0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x68 D0510 23:30:15.384795 584609 task_signals.go:467] [ 23] Notified of signal 23 D0510 23:30:15.384836 584609 task_signals.go:220] [ 23] Signal 23: delivering to handler main.(*Fuzzer).deserializeInput(0xc000616b60, 0xc000336000, 0xf6, 0xf6, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0x14c D0510 23:30:15.386682 584609 task_signals.go:467] [ 23] Notified of signal 23 D0510 23:30:15.386727 584609 task_signals.go:220] [ 23] Signal 23: delivering to handler main.(*Fuzzer).addCandidateInput(0xc000616b60, 0xc000336000, 0xf6, 0xf6, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x4d D0510 23:30:15.387684 584609 task_signals.go:467] [ 23] Notified of signal 23 D0510 23:30:15.387766 584609 task_signals.go:220] [ 23] Signal 23: delivering to handler main.(*Fuzzer).poll(0xc000616b60, 0xc0003e5501, 0x0, 0xc00048cb58) /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 23:30:15.388918 584609 task_exit.go:221] [ 23] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:15.388945 584609 task_exit.go:221] [ 23] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.388952 584609 task_exit.go:221] [ 23] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:15.388960 584609 task_signals.go:189] [ 20] Signal 9: terminating thread group D0510 23:30:15.388981 584609 task_signals.go:189] [ 22] Signal 9: terminating thread group D0510 23:30:15.388980 584609 task_signals.go:189] [ 17] Signal 9: terminating thread group D0510 23:30:15.388996 584609 task_signals.go:189] [ 15] Signal 9: terminating thread group D0510 23:30:15.389005 584609 task_signals.go:189] [ 24] Signal 9: terminating thread group D0510 23:30:15.389004 584609 task_signals.go:189] [ 18] Signal 9: terminating thread group D0510 23:30:15.389039 584609 task_signals.go:189] [ 26] Signal 9: terminating thread group D0510 23:30:15.389022 584609 task_signals.go:189] [ 16] Signal 9: terminating thread group I0510 23:30:15.388991 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 20, fault addr: 0x0 D0510 23:30:15.389014 584609 task_signals.go:189] [ 25] Signal 9: terminating thread group D0510 23:30:15.389038 584609 task_signals.go:189] [ 19] Signal 9: terminating thread group D0510 23:30:15.389029 584609 task_signals.go:189] [ 28] Signal 9: terminating thread group D0510 23:30:15.389063 584609 task_exit.go:221] [ 20] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:15.388972 584609 task_signals.go:189] [ 21] Signal 9: terminating thread group I0510 23:30:15.389085 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 22, fault addr: 0x0 D0510 23:30:15.389097 584609 task_exit.go:221] [ 20] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.389106 584609 task_exit.go:221] [ 20] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:15.389051 584609 task_signals.go:189] [ 27] Signal 9: terminating thread group I0510 23:30:15.389112 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 17, fault addr: 0x0 D0510 23:30:15.389122 584609 task_exit.go:221] [ 22] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:15.389145 584609 task_exit.go:221] [ 22] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.389164 584609 task_exit.go:221] [ 22] Transitioning from exit state TaskExitZombie to TaskExitDead I0510 23:30:15.389133 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 24, fault addr: 0x0 D0510 23:30:15.389177 584609 task_exit.go:221] [ 17] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:15.389187 584609 task_exit.go:221] [ 17] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.389192 584609 task_exit.go:221] [ 17] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:15.389204 584609 task_exit.go:221] [ 24] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:30:15.389196 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 15, fault addr: 0x0 D0510 23:30:15.389213 584609 task_exit.go:221] [ 24] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.389218 584609 task_exit.go:221] [ 24] Transitioning from exit state TaskExitZombie to TaskExitDead I0510 23:30:15.389219 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 26, fault addr: 0x0 D0510 23:30:15.389229 584609 task_exit.go:221] [ 26] Transitioning from exit state TaskExitNone to TaskExitInitiated I0510 23:30:15.389245 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 16, fault addr: 0x0 D0510 23:30:15.389260 584609 task_exit.go:221] [ 26] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.389268 584609 task_exit.go:221] [ 26] Transitioning from exit state TaskExitZombie to TaskExitDead I0510 23:30:15.389260 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 18, fault addr: 0x0 D0510 23:30:15.389285 584609 task_exit.go:221] [ 18] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:15.389292 584609 task_exit.go:221] [ 18] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.389298 584609 task_exit.go:221] [ 18] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:15.389310 584609 task_exit.go:221] [ 16] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:15.389317 584609 task_exit.go:221] [ 16] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.389322 584609 task_exit.go:221] [ 16] Transitioning from exit state TaskExitZombie to TaskExitDead I0510 23:30:15.389304 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 28, fault addr: 0x0 I0510 23:30:15.389360 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 25, fault addr: 0x0 I0510 23:30:15.389369 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 19, fault addr: 0x0 I0510 23:30:15.389378 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 21, fault addr: 0x0 I0510 23:30:15.389387 584609 compat.go:135] Uncaught signal: "killed" (9), PID: 15, TID: 27, fault addr: 0x0 D0510 23:30:15.389333 584609 task_exit.go:221] [ 15] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:15.389428 584609 task_exit.go:221] [ 15] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.389641 584609 task_exit.go:221] [ 28] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:15.389660 584609 task_exit.go:221] [ 28] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.389665 584609 task_exit.go:221] [ 28] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:15.389689 584609 task_exit.go:221] [ 25] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:15.389762 584609 task_exit.go:221] [ 25] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.389767 584609 task_exit.go:221] [ 25] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:15.389894 584609 task_exit.go:221] [ 19] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:15.389933 584609 task_exit.go:221] [ 19] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.389940 584609 task_exit.go:221] [ 19] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:15.389957 584609 task_exit.go:221] [ 21] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:15.389973 584609 task_exit.go:221] [ 21] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.389980 584609 task_exit.go:221] [ 21] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:15.389993 584609 task_exit.go:221] [ 27] Transitioning from exit state TaskExitNone to TaskExitInitiated D0510 23:30:15.392488 584609 task_exit.go:221] [ 27] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0510 23:30:15.392512 584609 task_exit.go:221] [ 27] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:15.392522 584609 task_exit.go:221] [ 15] Transitioning from exit state TaskExitZombie to TaskExitDead D0510 23:30:15.392543 584609 loader.go:1029] updated processes (removal): map[{ci-gvisor-ptrace-1-1 0}:0xc00049ecf0] D0510 23:30:15.392568 584609 controller.go:506] containerManager.Wait, cid: ci-gvisor-ptrace-1-1, pid: 15, waitStatus: 0x200, err: D0510 23:30:15.392642 584609 urpc.go:551] urpc: successfully marshalled 38 bytes. D0510 23:30:15.392801 584722 urpc.go:594] urpc: unmarshal success. I0510 23:30:15.392878 584722 main.go:248] Exiting with status: 512 D0510 23:30:15.430669 584609 urpc.go:594] urpc: unmarshal success. D0510 23:30:15.430719 584609 controller.go:565] containerManager.Signal: cid: ci-gvisor-ptrace-1-1, PID: 0, signal: 0, mode: Process D0510 23:30:15.430769 584609 urpc.go:551] urpc: successfully marshalled 37 bytes. D0510 23:30:15.431405 584609 urpc.go:594] urpc: unmarshal success. D0510 23:30:15.434168 584609 urpc.go:551] urpc: successfully marshalled 96512 bytes. D0510 23:30:15.443372 584609 urpc.go:594] urpc: unmarshal success. D0510 23:30:15.443413 584609 controller.go:200] containerManager.Processes, cid: ci-gvisor-ptrace-1-1 D0510 23:30:15.443534 584609 urpc.go:551] urpc: successfully marshalled 168 bytes. I0510 23:30:15.740069 584609 calibrated_clock.go:74] CalibratedClock(Monotonic): ready I0510 23:30:15.740221 584609 calibrated_clock.go:74] CalibratedClock(Realtime): ready