2023/05/03 17:05:29 SYZFATAL: BUG: got no fallback coverage:
D0503 17:05:29.367510  826488 task_signals.go:470] [   6:   8] Notified of signal 23
D0503 17:05:29.415746  826488 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0503 17:05:29.416052  826488 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0503 17:05:29.416111  826488 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitZombie to TaskExitDead
D0503 17:05:29.416329  826488 task_signals.go:204] [   6:  16] Signal 6, PID: 16, TID: 0, fault addr: 0x9: terminating thread group
D0503 17:05:29.416439  826488 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0503 17:05:29.416589  826488 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0503 17:05:29.416654  826488 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitZombie to TaskExitDead
D0503 17:05:29.416850  826488 task_signals.go:204] [   6:   6] Signal 6, PID: 6, TID: 0, fault addr: 0x9: terminating thread group
D0503 17:05:29.416937  826488 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0503 17:05:29.417090  826488 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0503 17:05:29.417258  826488 task_signals.go:204] [   6:   7] Signal 6, PID: 7, TID: 0, fault addr: 0x9: terminating thread group
D0503 17:05:29.417346  826488 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0503 17:05:29.417488  826488 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0503 17:05:29.417540  826488 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitZombie to TaskExitDead
D0503 17:05:29.417710  826488 task_signals.go:204] [   6:  10] Signal 6, PID: 10, TID: 0, fault addr: 0x9: terminating thread group
D0503 17:05:29.417812  826488 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0503 17:05:29.417952  826488 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0503 17:05:29.418058  826488 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitZombie to TaskExitDead
D0503 17:05:29.418253  826488 task_signals.go:204] [   6:   9] Signal 6, PID: 9, TID: 0, fault addr: 0x9: terminating thread group
D0503 17:05:29.418439  826488 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0503 17:05:29.418671  826488 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0503 17:05:29.451114  826488 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitZombie to TaskExitDead
D0503 17:05:29.451405  826488 task_signals.go:204] [   6:  13] Signal 6, PID: 13, TID: 0, fault addr: 0x9: terminating thread group
D0503 17:05:29.451552  826488 task_signals.go:204] [   6:  12] Signal 6, PID: 12, TID: 0, fault addr: 0x9: terminating thread group
D0503 17:05:29.451654  826488 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0503 17:05:29.451763  826488 task_signals.go:204] [   6:  11] Signal 6, PID: 11, TID: 0, fault addr: 0x9: terminating thread group
D0503 17:05:29.451904  826488 task_signals.go:204] [   6:  14] Signal 6, PID: 14, TID: 0, fault addr: 0x9: terminating thread group
D0503 17:05:29.452049  826488 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0503 17:05:29.452127  826488 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitZombie to TaskExitDead
D0503 17:05:29.452229  826488 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0503 17:05:29.452378  826488 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0503 17:05:29.454111  826488 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitZombie to TaskExitDead
D0503 17:05:29.454274  826488 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0503 17:05:29.454434  826488 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0503 17:05:29.454495  826488 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitZombie to TaskExitDead
D0503 17:05:29.454599  826488 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0503 17:05:29.587592  826488 urpc.go:611] urpc: unmarshal success.
D0503 17:05:29.631105  826488 urpc.go:568] urpc: successfully marshalled 57242 bytes.
D0503 17:05:29.659949  826661 urpc.go:611] urpc: unmarshal success.
I0503 17:05:29.660067  826661 main.go:260] Exiting with status: 256
D0503 17:05:29.659247  826488 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0503 17:05:29.659358  826488 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitZombie to TaskExitDead
D0503 17:05:29.659426  826488 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitZombie to TaskExitDead
D0503 17:05:29.659609  826488 loader.go:1133] updated processes (removal): map[{ci-gvisor-arm64-systrap-1-race-test-1 0}:0xc0002460f0]
D0503 17:05:29.659689  826488 controller.go:555] containerManager.Wait, cid: ci-gvisor-arm64-systrap-1-race-test-1, pid: 6, waitStatus: 0x100, err: <nil>
D0503 17:05:29.659806  826488 urpc.go:568] urpc: successfully marshalled 38 bytes.
D0503 17:05:29.679218  826488 urpc.go:611] urpc: unmarshal success.
D0503 17:05:29.679392  826488 controller.go:226] containerManager.Processes, cid: ci-gvisor-arm64-systrap-1-race-test-1
D0503 17:05:29.680122  826488 urpc.go:568] urpc: successfully marshalled 257 bytes.