2024/01/04 11:53:37 SYZFATAL: BUG: got no fallback coverage:
D0104 11:53:37.730258  875312 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0104 11:53:37.730466  875312 task_signals.go:204] [   6:   7] Signal 9, PID: 6, TID: 7, fault addr: 0x0: terminating thread group
D0104 11:53:37.730528  875312 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0104 11:53:37.730888  875312 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0104 11:53:37.730925  875312 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitZombie to TaskExitDead
D0104 11:53:37.778383  875312 task_signals.go:204] [   6:   9] Signal 9, PID: 6, TID: 9, fault addr: 0x0: terminating thread group
D0104 11:53:37.778519  875312 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0104 11:53:37.779227  875312 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0104 11:53:37.779324  875312 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitZombie to TaskExitDead
D0104 11:53:37.779580  875312 task_signals.go:204] [   6:  10] Signal 9, PID: 6, TID: 10, fault addr: 0x0: terminating thread group
D0104 11:53:37.779638  875312 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0104 11:53:37.779978  875312 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0104 11:53:37.780020  875312 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitZombie to TaskExitDead
D0104 11:53:37.806398  875312 task_signals.go:204] [   6:  12] Signal 9, PID: 6, TID: 12, fault addr: 0x0: terminating thread group
D0104 11:53:37.806529  875312 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0104 11:53:37.806989  875312 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0104 11:53:37.807025  875312 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitZombie to TaskExitDead
D0104 11:53:37.807183  875312 task_signals.go:204] [   6:  13] Signal 9, PID: 6, TID: 13, fault addr: 0x0: terminating thread group
D0104 11:53:37.807242  875312 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0104 11:53:37.807578  875312 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0104 11:53:37.807607  875312 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitZombie to TaskExitDead
D0104 11:53:37.888163  875312 task_signals.go:204] [   6:   8] Signal 9, PID: 6, TID: 8, fault addr: 0x0: terminating thread group
D0104 11:53:37.888345  875312 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0104 11:53:37.888792  875312 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0104 11:53:37.888834  875312 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitZombie to TaskExitDead
D0104 11:53:37.889166  875312 task_signals.go:204] [   6:  15] Signal 9, PID: 6, TID: 15, fault addr: 0x0: terminating thread group
D0104 11:53:37.889242  875312 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0104 11:53:37.903806  875312 urpc.go:611] urpc: unmarshal success.
D0104 11:53:37.993566  875312 urpc.go:568] urpc: successfully marshalled 60378 bytes.
D0104 11:53:38.036324  875312 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0104 11:53:38.036480  875312 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitZombie to TaskExitDead
D0104 11:53:38.036543  875312 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitZombie to TaskExitDead
D0104 11:53:38.037047  875484 urpc.go:611] urpc: unmarshal success.
I0104 11:53:38.037138  875484 main.go:226] Exiting with status: 256
D0104 11:53:38.036684  875312 loader.go:1252] updated processes (removal): map[{ci-gvisor-arm64-systrap-1-race-test-1 0}:0xc00003f5f0]
D0104 11:53:38.036818  875312 controller.go:523] containerManager.Wait, cid: ci-gvisor-arm64-systrap-1-race-test-1, pid: 6, waitStatus: 0x100, err: <nil>
D0104 11:53:38.038288  875312 urpc.go:568] urpc: successfully marshalled 38 bytes.
D0104 11:53:38.043516  875312 urpc.go:611] urpc: unmarshal success.
D0104 11:53:38.043684  875312 controller.go:232] containerManager.Processes, cid: ci-gvisor-arm64-systrap-1-race-test-1
D0104 11:53:38.044460  875312 urpc.go:568] urpc: successfully marshalled 256 bytes.
D0104 11:53:44.573775  875312 sampler.go:191] Time: Adjusting syscall overhead down to 7