2023/05/05 18:12:56 SYZFATAL: BUG: got no fallback coverage:
D0505 18:12:56.458638  839526 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0505 18:12:56.458815  839526 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0505 18:12:56.458845  839526 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitZombie to TaskExitDead
D0505 18:12:56.459010  839526 task_signals.go:204] [   6:   6] Signal 6, PID: 6, TID: 0, fault addr: 0x9: terminating thread group
D0505 18:12:56.459135  839526 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0505 18:12:56.459247  839526 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0505 18:12:56.459362  839526 task_signals.go:204] [   6:  11] Signal 6, PID: 11, TID: 0, fault addr: 0x9: terminating thread group
D0505 18:12:56.459441  839526 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0505 18:12:56.459548  839526 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0505 18:12:56.459575  839526 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitZombie to TaskExitDead
D0505 18:12:56.459701  839526 task_signals.go:204] [   6:  13] Signal 6, PID: 13, TID: 0, fault addr: 0x9: terminating thread group
D0505 18:12:56.459769  839526 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0505 18:12:56.459870  839526 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0505 18:12:56.459901  839526 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitZombie to TaskExitDead
D0505 18:12:56.460010  839526 task_signals.go:204] [   6:  14] Signal 6, PID: 14, TID: 0, fault addr: 0x9: terminating thread group
D0505 18:12:56.460089  839526 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0505 18:12:56.460209  839526 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0505 18:12:56.460234  839526 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitZombie to TaskExitDead
D0505 18:12:56.460340  839526 task_signals.go:204] [   6:  10] Signal 6, PID: 10, TID: 0, fault addr: 0x9: terminating thread group
D0505 18:12:56.460406  839526 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0505 18:12:56.460501  839526 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0505 18:12:56.460526  839526 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitZombie to TaskExitDead
D0505 18:12:56.460644  839526 task_signals.go:204] [   6:  15] Signal 6, PID: 15, TID: 0, fault addr: 0x9: terminating thread group
D0505 18:12:56.460697  839526 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0505 18:12:56.460806  839526 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0505 18:12:56.460786  839526 task_signals.go:204] [   6:   8] Signal 6, PID: 8, TID: 0, fault addr: 0x9: terminating thread group
D0505 18:12:56.460843  839526 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitZombie to TaskExitDead
D0505 18:12:56.460964  839526 task_signals.go:204] [   6:  16] Signal 6, PID: 16, TID: 0, fault addr: 0x9: terminating thread group
D0505 18:12:56.461045  839526 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0505 18:12:56.461141  839526 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0505 18:12:56.461167  839526 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitZombie to TaskExitDead
D0505 18:12:56.461268  839526 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0505 18:12:56.461375  839526 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0505 18:12:56.461430  839526 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitZombie to TaskExitDead
D0505 18:12:56.461773  839526 task_signals.go:204] [   6:   7] Signal 6, PID: 7, TID: 0, fault addr: 0x9: terminating thread group
D0505 18:12:56.461900  839526 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0505 18:12:56.462060  839526 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0505 18:12:56.462092  839526 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitZombie to TaskExitDead
D0505 18:12:56.463100  839526 task_signals.go:204] [   6:  12] Signal 6, PID: 12, TID: 0, fault addr: 0x9: terminating thread group
D0505 18:12:56.463212  839526 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0505 18:12:56.559342  839526 urpc.go:611] urpc: unmarshal success.
D0505 18:12:56.722468  839526 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0505 18:12:56.722556  839526 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitZombie to TaskExitDead
D0505 18:12:56.722633  839526 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitZombie to TaskExitDead
D0505 18:12:56.765201  839526 urpc.go:568] urpc: successfully marshalled 57817 bytes.
D0505 18:12:56.794274  839526 loader.go:1143] updated processes (removal): map[{ci-gvisor-arm64-systrap-1-race-test-0 0}:0xc00003fb60]
D0505 18:12:56.794428  839526 controller.go:560] containerManager.Wait, cid: ci-gvisor-arm64-systrap-1-race-test-0, pid: 6, waitStatus: 0x100, err: <nil>
D0505 18:12:56.794572  839526 urpc.go:568] urpc: successfully marshalled 38 bytes.
D0505 18:12:56.784288  839526 urpc.go:611] urpc: unmarshal success.
D0505 18:12:56.799212  839806 urpc.go:611] urpc: unmarshal success.
I0505 18:12:56.799317  839806 main.go:260] Exiting with status: 256
D0505 18:12:56.811345  839526 controller.go:226] containerManager.Processes, cid: ci-gvisor-arm64-systrap-1-race-test-0
D0505 18:12:56.812063  839526 urpc.go:568] urpc: successfully marshalled 257 bytes.