2023/05/13 22:48:29 SYZFATAL: BUG: got no fallback coverage:
D0513 22:48:29.269193  992778 task_signals.go:470] [   6:  14] Notified of signal 23
D0513 22:48:29.281081  992778 urpc.go:611] urpc: unmarshal success.
D0513 22:48:29.352474  992778 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0513 22:48:29.352667  992778 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0513 22:48:29.352702  992778 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitZombie to TaskExitDead
D0513 22:48:29.352896  992778 task_signals.go:204] [   6:   6] Signal 6, PID: 6, TID: 0, fault addr: 0x9: terminating thread group
D0513 22:48:29.352976  992778 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0513 22:48:29.353100  992778 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0513 22:48:29.353215  992778 task_signals.go:204] [   6:   8] Signal 6, PID: 8, TID: 0, fault addr: 0x9: terminating thread group
D0513 22:48:29.353283  992778 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0513 22:48:29.353379  992778 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0513 22:48:29.353414  992778 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitZombie to TaskExitDead
D0513 22:48:29.353539  992778 task_signals.go:204] [   6:   9] Signal 6, PID: 9, TID: 0, fault addr: 0x9: terminating thread group
D0513 22:48:29.353597  992778 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0513 22:48:29.510073  992778 task_signals.go:204] [   6:  12] Signal 6, PID: 12, TID: 0, fault addr: 0x9: terminating thread group
D0513 22:48:29.518964  992778 task_signals.go:204] [   6:   7] Signal 6, PID: 7, TID: 0, fault addr: 0x9: terminating thread group
D0513 22:48:29.519100  992778 task_signals.go:204] [   6:  16] Signal 6, PID: 16, TID: 0, fault addr: 0x9: terminating thread group
D0513 22:48:29.519202  992778 task_signals.go:204] [   6:  10] Signal 6, PID: 10, TID: 0, fault addr: 0x9: terminating thread group
D0513 22:48:29.519287  992778 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0513 22:48:29.519324  992778 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitZombie to TaskExitDead
D0513 22:48:29.519416  992778 task_signals.go:204] [   6:  11] Signal 6, PID: 11, TID: 0, fault addr: 0x9: terminating thread group
D0513 22:48:29.523265  992778 urpc.go:568] urpc: successfully marshalled 77067 bytes.
D0513 22:48:29.525734  992778 task_signals.go:204] [   6:  13] Signal 6, PID: 13, TID: 0, fault addr: 0x9: terminating thread group
D0513 22:48:29.525902  992778 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0513 22:48:29.526038  992778 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0513 22:48:29.526137  992778 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0513 22:48:29.526219  992778 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0513 22:48:29.526268  992778 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0513 22:48:29.526341  992778 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0513 22:48:29.526496  992778 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0513 22:48:29.526526  992778 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitZombie to TaskExitDead
D0513 22:48:29.526647  992778 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0513 22:48:29.526691  992778 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitZombie to TaskExitDead
D0513 22:48:29.594120  992778 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0513 22:48:29.594248  992778 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitZombie to TaskExitDead
D0513 22:48:29.594496  992778 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0513 22:48:29.594531  992778 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitZombie to TaskExitDead
D0513 22:48:29.594668  992778 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0513 22:48:29.594751  992778 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitZombie to TaskExitDead
D0513 22:48:29.610480  992778 urpc.go:611] urpc: unmarshal success.
D0513 22:48:29.610646  992778 controller.go:226] containerManager.Processes, cid: ci-gvisor-arm64-systrap-1-race-test-0
D0513 22:48:29.611464  992778 urpc.go:568] urpc: successfully marshalled 367 bytes.
D0513 22:48:29.713403  992778 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0513 22:48:29.713547  992778 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitZombie to TaskExitDead
D0513 22:48:29.739115  992980 urpc.go:611] urpc: unmarshal success.
I0513 22:48:29.739227  992980 main.go:259] Exiting with status: 256
D0513 22:48:29.713624  992778 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitZombie to TaskExitDead
D0513 22:48:29.738721  992778 loader.go:1145] updated processes (removal): map[{ci-gvisor-arm64-systrap-1-race-test-0 0}:0xc00024a6c0]
D0513 22:48:29.738831  992778 controller.go:560] containerManager.Wait, cid: ci-gvisor-arm64-systrap-1-race-test-0, pid: 6, waitStatus: 0x100, err: <nil>
D0513 22:48:29.738979  992778 urpc.go:568] urpc: successfully marshalled 38 bytes.