2023/04/25 20:50:07 SYZFATAL: BUG: got no fallback coverage:
D0425 20:50:07.322838  255626 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0425 20:50:07.323172  255626 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0425 20:50:07.323239  255626 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitZombie to TaskExitDead
D0425 20:50:07.323611  255626 task_signals.go:204] [   6:  14] Signal 6, PID: 14, TID: 0, fault addr: 0x9: terminating thread group
D0425 20:50:07.323727  255626 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0425 20:50:07.323885  255626 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0425 20:50:07.323939  255626 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitZombie to TaskExitDead
D0425 20:50:07.324147  255626 task_signals.go:204] [   6:   6] Signal 6, PID: 6, TID: 0, fault addr: 0x9: terminating thread group
D0425 20:50:07.324241  255626 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0425 20:50:07.324390  255626 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0425 20:50:07.324608  255626 task_signals.go:204] [   6:  13] Signal 6, PID: 13, TID: 0, fault addr: 0x9: terminating thread group
D0425 20:50:07.324701  255626 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0425 20:50:07.324853  255626 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0425 20:50:07.324921  255626 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitZombie to TaskExitDead
D0425 20:50:07.384745  255626 task_signals.go:204] [   6:   7] Signal 6, PID: 7, TID: 0, fault addr: 0x9: terminating thread group
D0425 20:50:07.384889  255626 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0425 20:50:07.385044  255626 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0425 20:50:07.385090  255626 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitZombie to TaskExitDead
D0425 20:50:07.385252  255626 task_signals.go:204] [   6:   8] Signal 6, PID: 8, TID: 0, fault addr: 0x9: terminating thread group
D0425 20:50:07.385314  255626 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0425 20:50:07.385422  255626 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0425 20:50:07.385452  255626 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitZombie to TaskExitDead
D0425 20:50:07.385597  255626 task_signals.go:204] [   6:   9] Signal 6, PID: 9, TID: 0, fault addr: 0x9: terminating thread group
D0425 20:50:07.385661  255626 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0425 20:50:07.385771  255626 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0425 20:50:07.385801  255626 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitZombie to TaskExitDead
D0425 20:50:07.385932  255626 task_signals.go:204] [   6:  10] Signal 6, PID: 10, TID: 0, fault addr: 0x9: terminating thread group
D0425 20:50:07.385995  255626 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0425 20:50:07.441421  255626 task_signals.go:204] [   6:  11] Signal 6, PID: 11, TID: 0, fault addr: 0x9: terminating thread group
D0425 20:50:07.441644  255626 task_signals.go:204] [   6:  12] Signal 6, PID: 12, TID: 0, fault addr: 0x9: terminating thread group
D0425 20:50:07.443160  255626 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0425 20:50:07.443276  255626 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitZombie to TaskExitDead
D0425 20:50:07.443421  255626 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0425 20:50:07.443616  255626 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0425 20:50:07.443657  255626 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitZombie to TaskExitDead
D0425 20:50:07.443743  255626 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0425 20:50:07.587361  255626 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0425 20:50:07.587582  255626 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitZombie to TaskExitDead
D0425 20:50:07.587716  255626 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitZombie to TaskExitDead
D0425 20:50:07.587924  255626 loader.go:1133] updated processes (removal): map[{ci-gvisor-arm64-systrap-1-race-test-0 0}:0xc000109380]
D0425 20:50:07.588097  255626 controller.go:555] containerManager.Wait, cid: ci-gvisor-arm64-systrap-1-race-test-0, pid: 6, waitStatus: 0x100, err: <nil>
D0425 20:50:07.588387  255838 urpc.go:611] urpc: unmarshal success.
I0425 20:50:07.588480  255838 main.go:260] Exiting with status: 256
D0425 20:50:07.591409  255626 urpc.go:568] urpc: successfully marshalled 38 bytes.
D0425 20:50:07.607276  255626 urpc.go:611] urpc: unmarshal success.
D0425 20:50:08.011507  255626 urpc.go:568] urpc: successfully marshalled 54624 bytes.
D0425 20:50:08.031221  255626 urpc.go:611] urpc: unmarshal success.
D0425 20:50:08.031384  255626 controller.go:226] containerManager.Processes, cid: ci-gvisor-arm64-systrap-1-race-test-0
D0425 20:50:08.032065  255626 urpc.go:568] urpc: successfully marshalled 257 bytes.