2023/10/20 17:53:29 SYZFATAL: BUG: got no fallback coverage:
D1020 17:53:29.542415  182700 task_signals.go:470] [   7:  15] Notified of signal 23
D1020 17:53:29.705691  182700 task_exit.go:204] [   7:  15] Transitioning from exit state TaskExitNone to TaskExitInitiated
D1020 17:53:29.705946  182700 task_exit.go:204] [   7:  15] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D1020 17:53:29.705979  182700 task_exit.go:204] [   7:  15] Transitioning from exit state TaskExitZombie to TaskExitDead
D1020 17:53:29.706118  182700 task_signals.go:204] [   7:   8] Signal 7, PID: 8, TID: 0, fault addr: 0x9: terminating thread group
D1020 17:53:29.706275  182700 task_exit.go:204] [   7:   8] Transitioning from exit state TaskExitNone to TaskExitInitiated
D1020 17:53:29.706417  182700 task_exit.go:204] [   7:   8] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D1020 17:53:29.706454  182700 task_exit.go:204] [   7:   8] Transitioning from exit state TaskExitZombie to TaskExitDead
D1020 17:53:29.706596  182700 task_signals.go:204] [   7:   7] Signal 7, PID: 7, TID: 0, fault addr: 0x9: terminating thread group
D1020 17:53:29.706678  182700 task_exit.go:204] [   7:   7] Transitioning from exit state TaskExitNone to TaskExitInitiated
D1020 17:53:29.706790  182700 task_exit.go:204] [   7:   7] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D1020 17:53:29.706938  182700 task_signals.go:204] [   7:  10] Signal 7, PID: 10, TID: 0, fault addr: 0x9: terminating thread group
D1020 17:53:29.707006  182700 task_exit.go:204] [   7:  10] Transitioning from exit state TaskExitNone to TaskExitInitiated
D1020 17:53:29.707124  182700 task_exit.go:204] [   7:  10] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D1020 17:53:29.707151  182700 task_exit.go:204] [   7:  10] Transitioning from exit state TaskExitZombie to TaskExitDead
D1020 17:53:29.707311  182700 task_signals.go:204] [   7:  11] Signal 7, PID: 11, TID: 0, fault addr: 0x9: terminating thread group
D1020 17:53:29.707369  182700 task_exit.go:204] [   7:  11] Transitioning from exit state TaskExitNone to TaskExitInitiated
D1020 17:53:29.707491  182700 task_exit.go:204] [   7:  11] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D1020 17:53:29.707525  182700 task_exit.go:204] [   7:  11] Transitioning from exit state TaskExitZombie to TaskExitDead
D1020 17:53:29.707651  182700 task_signals.go:204] [   7:   9] Signal 7, PID: 9, TID: 0, fault addr: 0x9: terminating thread group
D1020 17:53:29.707707  182700 task_exit.go:204] [   7:   9] Transitioning from exit state TaskExitNone to TaskExitInitiated
D1020 17:53:29.707814  182700 task_exit.go:204] [   7:   9] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D1020 17:53:29.707849  182700 task_exit.go:204] [   7:   9] Transitioning from exit state TaskExitZombie to TaskExitDead
D1020 17:53:29.707985  182700 task_signals.go:204] [   7:  12] Signal 7, PID: 12, TID: 0, fault addr: 0x9: terminating thread group
D1020 17:53:29.708047  182700 task_exit.go:204] [   7:  12] Transitioning from exit state TaskExitNone to TaskExitInitiated
D1020 17:53:29.708154  182700 task_exit.go:204] [   7:  12] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D1020 17:53:29.708189  182700 task_exit.go:204] [   7:  12] Transitioning from exit state TaskExitZombie to TaskExitDead
D1020 17:53:29.708300  182700 task_signals.go:204] [   7:  13] Signal 7, PID: 13, TID: 0, fault addr: 0x9: terminating thread group
D1020 17:53:29.708352  182700 task_exit.go:204] [   7:  13] Transitioning from exit state TaskExitNone to TaskExitInitiated
D1020 17:53:29.708470  182700 task_exit.go:204] [   7:  13] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D1020 17:53:29.708495  182700 task_exit.go:204] [   7:  13] Transitioning from exit state TaskExitZombie to TaskExitDead
D1020 17:53:29.708622  182700 task_signals.go:204] [   7:  14] Signal 7, PID: 14, TID: 0, fault addr: 0x9: terminating thread group
D1020 17:53:29.708682  182700 task_exit.go:204] [   7:  14] Transitioning from exit state TaskExitNone to TaskExitInitiated
D1020 17:53:29.708794  182700 task_exit.go:204] [   7:  14] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D1020 17:53:29.708826  182700 task_exit.go:204] [   7:  14] Transitioning from exit state TaskExitZombie to TaskExitDead
D1020 17:53:29.708972  182700 task_signals.go:204] [   7:  17] Signal 7, PID: 17, TID: 0, fault addr: 0x9: terminating thread group
D1020 17:53:29.709035  182700 task_exit.go:204] [   7:  17] Transitioning from exit state TaskExitNone to TaskExitInitiated
D1020 17:53:29.754644  182700 urpc.go:611] urpc: unmarshal success.
D1020 17:53:29.925964  182700 task_exit.go:361] [  20(   1):  20(   1)] Init process terminating, killing namespace
D1020 17:53:29.930269  182700 urpc.go:568] urpc: successfully marshalled 85629 bytes.
D1020 17:53:29.974437  182700 urpc.go:611] urpc: unmarshal success.
D1020 17:53:29.974622  182700 controller.go:234] containerManager.Processes, cid: ci-gvisor-arm64-systrap-1-race-test-1
D1020 17:53:29.926149  182700 task_exit.go:204] [  20(   1):  20(   1)] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D1020 17:53:30.006459  182700 task_signals.go:470] [   1:   1] Notified of signal 17
D1020 17:53:30.007298  182700 task_signals.go:179] [   1:   1] Restarting syscall 98: interrupted by signal 17
D1020 17:53:30.007353  182700 task_signals.go:220] [   1:   1] Signal 17: delivering to handler
D1020 17:53:30.018495  182700 task_exit.go:204] [   7:  17] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D1020 17:53:30.018598  182700 task_exit.go:204] [   7:  17] Transitioning from exit state TaskExitZombie to TaskExitDead
D1020 17:53:30.018673  182700 task_exit.go:204] [   7:   7] Transitioning from exit state TaskExitZombie to TaskExitDead
D1020 17:53:30.034732  183030 urpc.go:611] urpc: unmarshal success.
I1020 17:53:30.034833  183030 main.go:223] Exiting with status: 256
D1020 17:53:30.034305  182700 loader.go:1178] updated processes (removal): map[{ci-gvisor-arm64-systrap-1-race-test-1 0}:0xc0002e27b0]
D1020 17:53:30.034460  182700 controller.go:568] containerManager.Wait, cid: ci-gvisor-arm64-systrap-1-race-test-1, pid: 7, waitStatus: 0x100, err: <nil>
D1020 17:53:30.034609  182700 urpc.go:568] urpc: successfully marshalled 38 bytes.
D1020 17:53:30.051004  182700 urpc.go:568] urpc: successfully marshalled 367 bytes.