2023/05/15 09:08:20 SYZFATAL: BUG: got no fallback coverage:
D0515 09:08:20.858114  868667 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0515 09:08:20.858344  868667 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0515 09:08:20.858380  868667 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitZombie to TaskExitDead
D0515 09:08:20.865060  868667 task_signals.go:204] [   6:  10] Signal 6, PID: 10, TID: 0, fault addr: 0x9: terminating thread group
D0515 09:08:20.865184  868667 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0515 09:08:20.865306  868667 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0515 09:08:20.865341  868667 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitZombie to TaskExitDead
D0515 09:08:20.865495  868667 task_signals.go:204] [   6:   6] Signal 6, PID: 6, TID: 0, fault addr: 0x9: terminating thread group
D0515 09:08:20.865557  868667 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0515 09:08:20.865693  868667 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0515 09:08:20.865871  868667 task_signals.go:204] [   6:   8] Signal 6, PID: 8, TID: 0, fault addr: 0x9: terminating thread group
D0515 09:08:20.865936  868667 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0515 09:08:20.866062  868667 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0515 09:08:20.866092  868667 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitZombie to TaskExitDead
D0515 09:08:20.866217  868667 task_signals.go:204] [   6:   9] Signal 6, PID: 9, TID: 0, fault addr: 0x9: terminating thread group
D0515 09:08:20.866280  868667 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0515 09:08:20.866380  868667 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0515 09:08:20.866418  868667 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitZombie to TaskExitDead
D0515 09:08:20.866543  868667 task_signals.go:204] [   6:  11] Signal 6, PID: 11, TID: 0, fault addr: 0x9: terminating thread group
D0515 09:08:20.866600  868667 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0515 09:08:20.866697  868667 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0515 09:08:20.866728  868667 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitZombie to TaskExitDead
D0515 09:08:20.866897  868667 task_signals.go:204] [   6:  12] Signal 6, PID: 12, TID: 0, fault addr: 0x9: terminating thread group
D0515 09:08:20.866957  868667 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0515 09:08:20.867081  868667 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0515 09:08:20.867117  868667 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitZombie to TaskExitDead
D0515 09:08:20.867242  868667 task_signals.go:204] [   6:  13] Signal 6, PID: 13, TID: 0, fault addr: 0x9: terminating thread group
D0515 09:08:20.867310  868667 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0515 09:08:20.867417  868667 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0515 09:08:20.867443  868667 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitZombie to TaskExitDead
D0515 09:08:20.867560  868667 task_signals.go:204] [   6:  14] Signal 6, PID: 14, TID: 0, fault addr: 0x9: terminating thread group
D0515 09:08:20.867624  868667 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0515 09:08:20.867722  868667 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0515 09:08:20.867747  868667 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitZombie to TaskExitDead
D0515 09:08:20.885833  868667 task_signals.go:204] [   6:   7] Signal 6, PID: 7, TID: 0, fault addr: 0x9: terminating thread group
D0515 09:08:20.885939  868667 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0515 09:08:20.988832  868667 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0515 09:08:20.988994  868667 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitZombie to TaskExitDead
D0515 09:08:20.989063  868667 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitZombie to TaskExitDead
D0515 09:08:21.004767  869098 urpc.go:611] urpc: unmarshal success.
I0515 09:08:21.004862  869098 main.go:259] Exiting with status: 256
D0515 09:08:21.003553  868667 loader.go:1145] updated processes (removal): map[{ci-gvisor-arm64-systrap-1-race-test-0 0}:0xc000128ea0]
D0515 09:08:21.003705  868667 controller.go:560] containerManager.Wait, cid: ci-gvisor-arm64-systrap-1-race-test-0, pid: 6, waitStatus: 0x100, err: <nil>
D0515 09:08:21.003830  868667 urpc.go:568] urpc: successfully marshalled 38 bytes.
D0515 09:08:21.004162  868667 urpc.go:611] urpc: unmarshal success.
D0515 09:08:21.136417  868667 urpc.go:568] urpc: successfully marshalled 55293 bytes.
D0515 09:08:21.150082  868667 urpc.go:611] urpc: unmarshal success.
D0515 09:08:21.150421  868667 controller.go:226] containerManager.Processes, cid: ci-gvisor-arm64-systrap-1-race-test-0
D0515 09:08:21.151356  868667 urpc.go:568] urpc: successfully marshalled 257 bytes.