2023/05/08 18:09:06 SYZFATAL: BUG: got no fallback coverage:
D0508 18:09:06.731286  319029 task_signals.go:470] [   6:   8] Notified of signal 23
D0508 18:09:06.731676  319029 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0508 18:09:06.731859  319029 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0508 18:09:06.731900  319029 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitZombie to TaskExitDead
D0508 18:09:06.732106  319029 task_signals.go:204] [   6:   6] Signal 6, PID: 6, TID: 0, fault addr: 0x9: terminating thread group
D0508 18:09:06.732177  319029 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0508 18:09:06.732294  319029 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0508 18:09:06.732414  319029 task_signals.go:204] [   6:   7] Signal 6, PID: 7, TID: 0, fault addr: 0x9: terminating thread group
D0508 18:09:06.732467  319029 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0508 18:09:06.732579  319029 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0508 18:09:06.732611  319029 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitZombie to TaskExitDead
D0508 18:09:06.732737  319029 task_signals.go:204] [   6:  10] Signal 6, PID: 10, TID: 0, fault addr: 0x9: terminating thread group
D0508 18:09:06.732789  319029 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0508 18:09:06.732893  319029 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0508 18:09:06.732919  319029 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitZombie to TaskExitDead
D0508 18:09:06.733057  319029 task_signals.go:204] [   6:   9] Signal 6, PID: 9, TID: 0, fault addr: 0x9: terminating thread group
D0508 18:09:06.733111  319029 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0508 18:09:06.733218  319029 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0508 18:09:06.733257  319029 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitZombie to TaskExitDead
D0508 18:09:06.733421  319029 task_signals.go:204] [   6:  11] Signal 6, PID: 11, TID: 0, fault addr: 0x9: terminating thread group
D0508 18:09:06.733485  319029 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0508 18:09:06.733589  319029 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0508 18:09:06.733615  319029 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitZombie to TaskExitDead
D0508 18:09:06.751231  319029 task_signals.go:204] [   6:  13] Signal 6, PID: 13, TID: 0, fault addr: 0x9: terminating thread group
D0508 18:09:06.751352  319029 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0508 18:09:06.751492  319029 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0508 18:09:06.751535  319029 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitZombie to TaskExitDead
D0508 18:09:06.751670  319029 task_signals.go:204] [   6:  12] Signal 6, PID: 12, TID: 0, fault addr: 0x9: terminating thread group
D0508 18:09:06.751727  319029 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0508 18:09:06.751834  319029 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0508 18:09:06.751861  319029 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitZombie to TaskExitDead
D0508 18:09:06.752023  319029 task_signals.go:204] [   6:  16] Signal 6, PID: 16, TID: 0, fault addr: 0x9: terminating thread group
D0508 18:09:06.752085  319029 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0508 18:09:06.752215  319029 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0508 18:09:06.752242  319029 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitZombie to TaskExitDead
D0508 18:09:06.752396  319029 task_signals.go:204] [   6:  19] Signal 6, PID: 19, TID: 0, fault addr: 0x9: terminating thread group
D0508 18:09:06.752458  319029 task_exit.go:204] [   6:  19] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0508 18:09:06.752566  319029 task_exit.go:204] [   6:  19] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0508 18:09:06.752591  319029 task_exit.go:204] [   6:  19] Transitioning from exit state TaskExitZombie to TaskExitDead
D0508 18:09:06.752732  319029 task_signals.go:204] [   6:  14] Signal 6, PID: 14, TID: 0, fault addr: 0x9: terminating thread group
D0508 18:09:06.752793  319029 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0508 18:09:06.761618  319029 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0508 18:09:06.761701  319029 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitZombie to TaskExitDead
D0508 18:09:06.761760  319029 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitZombie to TaskExitDead
D0508 18:09:06.775273  319029 loader.go:1143] updated processes (removal): map[{ci-gvisor-arm64-systrap-1-race-test-0 0}:0xc00024c690]
D0508 18:09:06.776602  319297 urpc.go:611] urpc: unmarshal success.
I0508 18:09:06.776704  319297 main.go:260] Exiting with status: 256
D0508 18:09:06.775466  319029 controller.go:560] containerManager.Wait, cid: ci-gvisor-arm64-systrap-1-race-test-0, pid: 6, waitStatus: 0x100, err: <nil>
D0508 18:09:06.775605  319029 urpc.go:568] urpc: successfully marshalled 38 bytes.
D0508 18:09:06.775873  319029 urpc.go:611] urpc: unmarshal success.
D0508 18:09:06.913028  319029 urpc.go:568] urpc: successfully marshalled 55407 bytes.
D0508 18:09:06.941624  319029 urpc.go:611] urpc: unmarshal success.
D0508 18:09:06.941832  319029 controller.go:226] containerManager.Processes, cid: ci-gvisor-arm64-systrap-1-race-test-0
D0508 18:09:06.942611  319029 urpc.go:568] urpc: successfully marshalled 257 bytes.