2023/05/18 12:40:10 SYZFATAL: BUG: got no fallback coverage:
D0518 12:40:10.942028  111473 task_signals.go:470] [   8:  17] Notified of signal 23
D0518 12:40:10.961903  111473 task_exit.go:204] [   8:  17] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0518 12:40:10.962126  111473 task_exit.go:204] [   8:  17] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0518 12:40:10.962157  111473 task_exit.go:204] [   8:  17] Transitioning from exit state TaskExitZombie to TaskExitDead
D0518 12:40:10.962346  111473 task_signals.go:204] [   8:  14] Signal 8, PID: 14, TID: 0, fault addr: 0x9: terminating thread group
D0518 12:40:10.962412  111473 task_exit.go:204] [   8:  14] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0518 12:40:10.962513  111473 task_exit.go:204] [   8:  14] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0518 12:40:10.962539  111473 task_exit.go:204] [   8:  14] Transitioning from exit state TaskExitZombie to TaskExitDead
D0518 12:40:10.981847  111473 task_signals.go:204] [   8:  11] Signal 8, PID: 11, TID: 0, fault addr: 0x9: terminating thread group
D0518 12:40:10.982034  111473 task_exit.go:204] [   8:  11] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0518 12:40:10.982201  111473 task_exit.go:204] [   8:  11] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0518 12:40:10.982248  111473 task_exit.go:204] [   8:  11] Transitioning from exit state TaskExitZombie to TaskExitDead
D0518 12:40:10.985400  111473 task_signals.go:204] [   8:   8] Signal 8, PID: 8, TID: 0, fault addr: 0x9: terminating thread group
D0518 12:40:10.985505  111473 task_exit.go:204] [   8:   8] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0518 12:40:10.985651  111473 task_exit.go:204] [   8:   8] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0518 12:40:10.985772  111473 task_signals.go:204] [   8:   9] Signal 8, PID: 9, TID: 0, fault addr: 0x9: terminating thread group
D0518 12:40:10.985828  111473 task_exit.go:204] [   8:   9] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0518 12:40:10.985953  111473 task_exit.go:204] [   8:   9] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0518 12:40:10.985981  111473 task_exit.go:204] [   8:   9] Transitioning from exit state TaskExitZombie to TaskExitDead
D0518 12:40:10.986147  111473 task_signals.go:204] [   8:  10] Signal 8, PID: 10, TID: 0, fault addr: 0x9: terminating thread group
D0518 12:40:10.986215  111473 task_exit.go:204] [   8:  10] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0518 12:40:10.986335  111473 task_exit.go:204] [   8:  10] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0518 12:40:10.986362  111473 task_exit.go:204] [   8:  10] Transitioning from exit state TaskExitZombie to TaskExitDead
D0518 12:40:10.986494  111473 task_signals.go:204] [   8:  12] Signal 8, PID: 12, TID: 0, fault addr: 0x9: terminating thread group
D0518 12:40:10.986552  111473 task_exit.go:204] [   8:  12] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0518 12:40:10.986651  111473 task_exit.go:204] [   8:  12] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0518 12:40:10.986678  111473 task_exit.go:204] [   8:  12] Transitioning from exit state TaskExitZombie to TaskExitDead
D0518 12:40:10.986825  111473 task_signals.go:204] [   8:  13] Signal 8, PID: 13, TID: 0, fault addr: 0x9: terminating thread group
D0518 12:40:10.986896  111473 task_exit.go:204] [   8:  13] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0518 12:40:10.987068  111473 task_exit.go:204] [   8:  13] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0518 12:40:10.987097  111473 task_exit.go:204] [   8:  13] Transitioning from exit state TaskExitZombie to TaskExitDead
D0518 12:40:10.987229  111473 task_signals.go:204] [   8:  15] Signal 8, PID: 15, TID: 0, fault addr: 0x9: terminating thread group
D0518 12:40:10.987296  111473 task_exit.go:204] [   8:  15] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0518 12:40:10.987416  111473 task_exit.go:204] [   8:  15] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0518 12:40:10.987470  111473 task_exit.go:204] [   8:  15] Transitioning from exit state TaskExitZombie to TaskExitDead
D0518 12:40:10.987639  111473 task_signals.go:204] [   8:  16] Signal 8, PID: 16, TID: 0, fault addr: 0x9: terminating thread group
D0518 12:40:10.987692  111473 task_exit.go:204] [   8:  16] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0518 12:40:11.014100  111473 task_exit.go:204] [   8:  16] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0518 12:40:11.014168  111473 task_exit.go:204] [   8:  16] Transitioning from exit state TaskExitZombie to TaskExitDead
D0518 12:40:11.014230  111473 task_exit.go:204] [   8:   8] Transitioning from exit state TaskExitZombie to TaskExitDead
D0518 12:40:11.033790  111656 urpc.go:611] urpc: unmarshal success.
I0518 12:40:11.033907  111656 main.go:259] Exiting with status: 256
D0518 12:40:11.026092  111473 loader.go:1145] updated processes (removal): map[{ci-gvisor-arm64-systrap-1-race-test-0 0}:0xc00003f440]
D0518 12:40:11.026193  111473 controller.go:560] containerManager.Wait, cid: ci-gvisor-arm64-systrap-1-race-test-0, pid: 8, waitStatus: 0x100, err: <nil>
D0518 12:40:11.026329  111473 urpc.go:568] urpc: successfully marshalled 38 bytes.
D0518 12:40:11.134287  111473 urpc.go:611] urpc: unmarshal success.
D0518 12:40:11.184882  111473 urpc.go:568] urpc: successfully marshalled 58247 bytes.
D0518 12:40:11.301840  111473 urpc.go:611] urpc: unmarshal success.
D0518 12:40:11.302040  111473 controller.go:226] containerManager.Processes, cid: ci-gvisor-arm64-systrap-1-race-test-0
D0518 12:40:11.329848  111473 urpc.go:568] urpc: successfully marshalled 261 bytes.