2023/05/01 20:46:59 SYZFATAL: BUG: got no fallback coverage:
D0501 20:46:59.267824  550059 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0501 20:46:59.268150  550059 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0501 20:46:59.268223  550059 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitZombie to TaskExitDead
D0501 20:46:59.268535  550059 task_signals.go:204] [   6:   6] Signal 6, PID: 6, TID: 0, fault addr: 0x9: terminating thread group
D0501 20:46:59.268646  550059 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0501 20:46:59.268810  550059 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0501 20:46:59.268958  550059 task_signals.go:204] [   6:   7] Signal 6, PID: 7, TID: 0, fault addr: 0x9: terminating thread group
D0501 20:46:59.269122  550059 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0501 20:46:59.269290  550059 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0501 20:46:59.269344  550059 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitZombie to TaskExitDead
D0501 20:46:59.269521  550059 task_signals.go:204] [   6:   8] Signal 6, PID: 8, TID: 0, fault addr: 0x9: terminating thread group
D0501 20:46:59.269808  550059 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0501 20:46:59.270038  550059 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0501 20:46:59.270266  550059 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitZombie to TaskExitDead
D0501 20:46:59.270434  550059 task_signals.go:204] [   6:  12] Signal 6, PID: 12, TID: 0, fault addr: 0x9: terminating thread group
D0501 20:46:59.270925  550059 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0501 20:46:59.271434  550059 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0501 20:46:59.272697  550059 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitZombie to TaskExitDead
D0501 20:46:59.270882  550059 task_signals.go:204] [   6:  16] Signal 6, PID: 16, TID: 0, fault addr: 0x9: terminating thread group
D0501 20:46:59.287237  550059 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0501 20:46:59.287468  550059 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0501 20:46:59.287576  550059 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitZombie to TaskExitDead
D0501 20:46:59.306017  550059 task_signals.go:204] [   6:   9] Signal 6, PID: 9, TID: 0, fault addr: 0x9: terminating thread group
D0501 20:46:59.331630  550059 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0501 20:46:59.331781  550059 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0501 20:46:59.331812  550059 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitZombie to TaskExitDead
D0501 20:46:59.338292  550059 task_signals.go:204] [   6:  10] Signal 6, PID: 10, TID: 0, fault addr: 0x9: terminating thread group
D0501 20:46:59.338539  550059 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0501 20:46:59.339011  550059 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0501 20:46:59.339065  550059 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitZombie to TaskExitDead
D0501 20:46:59.371325  550059 task_signals.go:204] [   6:  13] Signal 6, PID: 13, TID: 0, fault addr: 0x9: terminating thread group
D0501 20:46:59.371515  550059 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0501 20:46:59.371613  550059 task_signals.go:204] [   6:  14] Signal 6, PID: 14, TID: 0, fault addr: 0x9: terminating thread group
D0501 20:46:59.371777  550059 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0501 20:46:59.371820  550059 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitZombie to TaskExitDead
D0501 20:46:59.371920  550059 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0501 20:46:59.414812  550059 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0501 20:46:59.414921  550059 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitZombie to TaskExitDead
D0501 20:46:59.415006  550059 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitZombie to TaskExitDead
D0501 20:46:59.418588  550059 loader.go:1133] updated processes (removal): map[{ci-gvisor-arm64-systrap-1-race-test-0 0}:0xc00021d3b0]
D0501 20:46:59.419065  550059 controller.go:555] containerManager.Wait, cid: ci-gvisor-arm64-systrap-1-race-test-0, pid: 6, waitStatus: 0x100, err: <nil>
D0501 20:46:59.419378  550557 urpc.go:611] urpc: unmarshal success.
I0501 20:46:59.419494  550557 main.go:260] Exiting with status: 256
D0501 20:46:59.420681  550059 urpc.go:568] urpc: successfully marshalled 38 bytes.
D0501 20:46:59.691184  550059 urpc.go:611] urpc: unmarshal success.
D0501 20:46:59.859450  550059 urpc.go:568] urpc: successfully marshalled 54529 bytes.
D0501 20:46:59.919449  550059 urpc.go:611] urpc: unmarshal success.
D0501 20:46:59.920277  550059 controller.go:226] containerManager.Processes, cid: ci-gvisor-arm64-systrap-1-race-test-0
D0501 20:46:59.935577  550059 urpc.go:568] urpc: successfully marshalled 254 bytes.