2023/05/09 23:29:44 SYZFATAL: BUG: got no fallback coverage:
D0509 23:29:44.147260  710324 task_signals.go:470] [   6:   8] Notified of signal 23
D0509 23:29:44.202380  710324 urpc.go:611] urpc: unmarshal success.
D0509 23:29:44.290817  710324 urpc.go:568] urpc: successfully marshalled 77050 bytes.
D0509 23:29:44.291449  710324 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0509 23:29:44.303237  710324 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0509 23:29:44.331267  710324 urpc.go:611] urpc: unmarshal success.
D0509 23:29:44.331438  710324 controller.go:226] containerManager.Processes, cid: ci-gvisor-arm64-systrap-1-race-test-1
D0509 23:29:44.307331  710324 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitZombie to TaskExitDead
D0509 23:29:44.411331  710324 task_signals.go:204] [   6:  17] Signal 6, PID: 17, TID: 0, fault addr: 0x9: terminating thread group
D0509 23:29:44.411437  710324 task_signals.go:204] [   6:   7] Signal 6, PID: 7, TID: 0, fault addr: 0x9: terminating thread group
D0509 23:29:44.411528  710324 task_signals.go:204] [   6:  14] Signal 6, PID: 14, TID: 0, fault addr: 0x9: terminating thread group
D0509 23:29:44.411590  710324 task_signals.go:204] [   6:   6] Signal 6, PID: 6, TID: 0, fault addr: 0x9: terminating thread group
D0509 23:29:44.411654  710324 task_signals.go:204] [   6:  10] Signal 6, PID: 10, TID: 0, fault addr: 0x9: terminating thread group
D0509 23:29:44.411714  710324 task_signals.go:204] [   6:  12] Signal 6, PID: 12, TID: 0, fault addr: 0x9: terminating thread group
D0509 23:29:44.411789  710324 task_exit.go:204] [   6:  17] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0509 23:29:44.411869  710324 task_signals.go:204] [   6:  13] Signal 6, PID: 13, TID: 0, fault addr: 0x9: terminating thread group
D0509 23:29:44.411933  710324 task_signals.go:204] [   6:   9] Signal 6, PID: 9, TID: 0, fault addr: 0x9: terminating thread group
D0509 23:29:44.412059  710324 task_signals.go:204] [   6:  11] Signal 6, PID: 11, TID: 0, fault addr: 0x9: terminating thread group
D0509 23:29:44.412125  710324 task_signals.go:204] [   6:  15] Signal 6, PID: 15, TID: 0, fault addr: 0x9: terminating thread group
D0509 23:29:44.412261  710324 task_exit.go:204] [   6:  17] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0509 23:29:44.412293  710324 task_exit.go:204] [   6:  17] Transitioning from exit state TaskExitZombie to TaskExitDead
D0509 23:29:44.413130  710324 urpc.go:568] urpc: successfully marshalled 387 bytes.
D0509 23:29:44.416518  710324 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0509 23:29:44.416701  710324 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0509 23:29:44.416739  710324 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitZombie to TaskExitDead
D0509 23:29:44.416845  710324 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0509 23:29:44.416984  710324 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0509 23:29:44.417041  710324 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitZombie to TaskExitDead
D0509 23:29:44.417122  710324 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0509 23:29:44.417225  710324 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0509 23:29:44.417287  710324 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0509 23:29:44.417389  710324 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0509 23:29:44.417425  710324 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitZombie to TaskExitDead
D0509 23:29:44.417527  710324 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0509 23:29:44.417638  710324 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0509 23:29:44.417671  710324 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitZombie to TaskExitDead
D0509 23:29:44.417750  710324 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0509 23:29:44.417855  710324 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0509 23:29:44.417896  710324 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitZombie to TaskExitDead
D0509 23:29:44.418042  710324 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0509 23:29:44.418171  710324 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0509 23:29:44.418198  710324 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitZombie to TaskExitDead
D0509 23:29:44.418273  710324 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0509 23:29:44.418389  710324 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0509 23:29:44.418426  710324 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitZombie to TaskExitDead
D0509 23:29:44.418505  710324 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0509 23:29:44.505756  710324 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0509 23:29:44.505876  710324 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitZombie to TaskExitDead
D0509 23:29:44.507025  710500 urpc.go:611] urpc: unmarshal success.
I0509 23:29:44.507154  710500 main.go:260] Exiting with status: 256
D0509 23:29:44.505964  710324 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitZombie to TaskExitDead
D0509 23:29:44.506626  710324 loader.go:1143] updated processes (removal): map[{ci-gvisor-arm64-systrap-1-race-test-1 0}:0xc0001cc6c0]
D0509 23:29:44.506723  710324 controller.go:560] containerManager.Wait, cid: ci-gvisor-arm64-systrap-1-race-test-1, pid: 6, waitStatus: 0x100, err: <nil>
D0509 23:29:44.506849  710324 urpc.go:568] urpc: successfully marshalled 38 bytes.