panic: wd changed: "/tmp" -> "(unreachable)/" goroutine 76 [running]: github.com/google/syzkaller/pkg/osutil.Abs({0x4001b28000, 0x1d}) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil.go:330 +0x218 github.com/google/syzkaller/pkg/ipc.makeCommand(0x3, {0x4002fe2140, 0x2, 0x2}, 0x4000586660, 0x4000854488, 0x4000854498, {0xe9b0dea00000, 0x1000000, 0x1000000}, ...) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:557 +0xec github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0x40002c8990, 0x4002353770, 0x40033fabc0) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:281 +0x280 main.(*Proc).executeRaw(0x4002a46500, 0x4002353770, 0x40033fabc0, 0x8) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:328 +0x19c main.(*Proc).executeAndCollide(0x4002a46500, 0x400049a058, 0x400322cb80, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:292 +0x9c main.(*Proc).loop(0x4002a46500) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:91 +0x2f4 created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x176c D0225 18:38:58.625910 2193509 task_exit.go:204] [ 11: 17557] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.625919 2193509 task_exit.go:204] [ 11: 2393] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.625926 2193509 task_exit.go:204] [ 11: 2393] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.625930 2193509 task_exit.go:204] [ 11: 2393] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.625938 2193509 task_exit.go:204] [ 11: 24669] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.625944 2193509 task_exit.go:204] [ 11: 24669] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.625949 2193509 task_exit.go:204] [ 11: 24669] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.625956 2193509 task_exit.go:204] [ 11: 13540] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.625963 2193509 task_exit.go:204] [ 11: 13540] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.625967 2193509 task_exit.go:204] [ 11: 13540] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.625975 2193509 task_exit.go:204] [ 11: 6080] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.625981 2193509 task_exit.go:204] [ 11: 6080] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.625987 2193509 task_exit.go:204] [ 11: 6080] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.625995 2193509 task_exit.go:204] [ 11: 6082] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.626017 2193509 task_exit.go:204] [ 11: 33] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.626044 2193509 task_signals.go:458] [ 38: 38] Discarding duplicate signal 9 D0225 18:38:58.626060 2193509 task_signals.go:458] [ 35: 35] Discarding duplicate signal 9 D0225 18:38:58.626067 2193509 task_signals.go:458] [ 37: 37] Discarding duplicate signal 9 D0225 18:38:58.626073 2193509 task_exit.go:204] [ 11: 33] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.626078 2193509 task_exit.go:204] [ 11: 33] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.626095 2193509 task_exit.go:204] [ 11: 24640] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.626103 2193509 task_exit.go:204] [ 11: 24640] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.626107 2193509 task_exit.go:204] [ 11: 24640] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.626116 2193509 task_exit.go:204] [ 11: 6082] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.626120 2193509 task_exit.go:204] [ 11: 6082] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.626129 2193509 task_exit.go:204] [ 11: 4748] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.626136 2193509 task_signals.go:458] [ 38: 38] Discarding duplicate signal 9 D0225 18:38:58.626142 2193509 task_signals.go:458] [ 35: 35] Discarding duplicate signal 9 D0225 18:38:58.626157 2193509 task_signals.go:458] [ 37: 37] Discarding duplicate signal 9 D0225 18:38:58.626163 2193509 task_exit.go:204] [ 11: 4748] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.626167 2193509 task_exit.go:204] [ 11: 4748] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.626175 2193509 task_exit.go:204] [ 11: 4749] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.626182 2193509 task_signals.go:458] [ 35: 35] Discarding duplicate signal 9 D0225 18:38:58.626190 2193509 task_signals.go:458] [ 37: 37] Discarding duplicate signal 9 D0225 18:38:58.626197 2193509 task_signals.go:458] [ 38: 38] Discarding duplicate signal 9 D0225 18:38:58.626202 2193509 task_exit.go:204] [ 11: 4749] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.626206 2193509 task_exit.go:204] [ 11: 4749] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.626223 2193509 task_exit.go:204] [ 35: 35] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.627451 2193509 task_exit.go:358] [ 42: 42] Init process terminating, killing namespace D0225 18:38:58.627486 2193509 task_exit.go:204] [ 42: 42] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.627499 2193509 task_signals.go:470] [ 1: 1] Notified of signal 17 D0225 18:38:58.627518 2193509 task_exit.go:204] [ 11: 34] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.627523 2193509 task_exit.go:204] [ 11: 34] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.627753 2193509 task_signals.go:470] [ 39: 39] Notified of signal 9 D0225 18:38:58.627791 2193509 task_exit.go:204] [ 35: 35] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.627807 2193509 task_signals.go:458] [ 11: 11] Discarding duplicate signal 17 D0225 18:38:58.627824 2193509 task_signals.go:189] [ 39: 39] Signal 9: terminating thread group I0225 18:38:58.627838 2193509 compat.go:135] Uncaught signal: "killed" (9), PID: 39, TID: 39, fault addr: 0x0 D0225 18:38:58.627848 2193509 task_exit.go:204] [ 39: 39] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.627929 2193509 task_signals.go:179] [ 1: 1] Restarting syscall 98: interrupted by signal 17 D0225 18:38:58.627979 2193509 task_signals.go:220] [ 1: 1] Signal 17: delivering to handler D0225 18:38:58.627971 2193509 task_exit.go:204] [ 11: 6083] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.628020 2193509 task_signals.go:458] [ 35: 35] Discarding duplicate signal 9 D0225 18:38:58.628030 2193509 task_signals.go:458] [ 37: 37] Discarding duplicate signal 9 D0225 18:38:58.628037 2193509 task_signals.go:458] [ 38: 38] Discarding duplicate signal 9 D0225 18:38:58.628043 2193509 task_exit.go:204] [ 11: 6083] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.628051 2193509 task_exit.go:204] [ 11: 6083] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.628061 2193509 task_exit.go:204] [ 11: 24641] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.628076 2193509 task_exit.go:204] [ 11: 24641] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.628081 2193509 task_exit.go:204] [ 11: 24641] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.628108 2193509 task_signals.go:481] [ 40: 40] No task notified of signal 9 D0225 18:38:58.628185 2193509 task_exit.go:204] [ 38: 38] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.628199 2193509 task_signals.go:458] [ 11: 11] Discarding duplicate signal 17 D0225 18:38:58.628207 2193509 task_exit.go:204] [ 11: 6085] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.628473 2193509 task_signals.go:189] [ 40: 40] Signal 9: terminating thread group I0225 18:38:58.628502 2193509 compat.go:135] Uncaught signal: "killed" (9), PID: 40, TID: 40, fault addr: 0x0 D0225 18:38:58.628514 2193509 task_exit.go:204] [ 40: 40] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.628580 2193509 task_exit.go:358] [ 40: 40] Init process terminating, killing namespace D0225 18:38:58.628591 2193509 task_signals.go:476] [ 48950: 48951] Notified of group signal 9 D0225 18:38:58.628612 2193509 task_signals.go:458] [ 48950: 48950] Discarding duplicate signal 9 D0225 18:38:58.628650 2193509 task_exit.go:204] [ 40: 40] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.628656 2193509 task_signals.go:470] [ 1: 1] Notified of signal 17 D0225 18:38:58.628674 2193509 task_signals.go:189] [ 48950: 48951] Signal 9: terminating thread group I0225 18:38:58.628682 2193509 compat.go:135] Uncaught signal: "killed" (9), PID: 48950, TID: 48951, fault addr: 0x0 D0225 18:38:58.628702 2193509 task_exit.go:204] [ 48950: 48951] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.628710 2193509 task_exit.go:204] [ 48950: 48951] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.628715 2193509 task_exit.go:204] [ 48950: 48951] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.628719 2193509 task_signals.go:179] [ 1: 1] Restarting syscall 98: interrupted by signal 17 D0225 18:38:58.628742 2193509 task_signals.go:220] [ 1: 1] Signal 17: delivering to handler D0225 18:38:58.629365 2193509 task_exit.go:358] [ 39: 39] Init process terminating, killing namespace D0225 18:38:58.629397 2193509 task_exit.go:204] [ 39: 39] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.629407 2193509 task_signals.go:470] [ 1: 1] Notified of signal 17 D0225 18:38:58.629583 2193509 task_signals.go:179] [ 1: 1] Restarting syscall 98: interrupted by signal 17 D0225 18:38:58.629596 2193509 task_signals.go:220] [ 1: 1] Signal 17: delivering to handler D0225 18:38:58.632348 2193509 task_signals.go:458] [ 35: 35] Discarding duplicate signal 9 D0225 18:38:58.632407 2193509 task_signals.go:470] [ 1: 1] Notified of signal 17 D0225 18:38:58.632416 2193509 task_signals.go:458] [ 37: 37] Discarding duplicate signal 9 D0225 18:38:58.632468 2193509 task_signals.go:458] [ 1: 1] Discarding duplicate signal 17 D0225 18:38:58.632475 2193509 task_signals.go:458] [ 38: 38] Discarding duplicate signal 9 D0225 18:38:58.632485 2193509 task_signals.go:458] [ 1: 1] Discarding duplicate signal 17 D0225 18:38:58.632509 2193509 task_exit.go:204] [ 11: 6085] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.632517 2193509 task_exit.go:204] [ 11: 6085] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.632539 2193509 task_exit.go:204] [ 11: 11] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.632572 2193509 task_signals.go:179] [ 1: 1] Restarting syscall 98: interrupted by signal 17 D0225 18:38:58.632579 2193509 task_signals.go:220] [ 1: 1] Signal 17: delivering to handler D0225 18:38:58.632988 2193509 loader.go:1066] updated processes (removal): map[{ci-gvisor-arm64-ptrace-1-0 0}:0x40004916b0] D0225 18:38:58.633049 2193509 controller.go:552] containerManager.Wait, cid: ci-gvisor-arm64-ptrace-1-0, pid: 11, waitStatus: 0x200, err: D0225 18:38:58.633109 2193509 urpc.go:568] urpc: successfully marshalled 38 bytes. D0225 18:38:58.633269 2193584 urpc.go:611] urpc: unmarshal success. I0225 18:38:58.633349 2193584 main.go:255] Exiting with status: 512 D0225 18:38:58.663967 2193509 task_signals.go:189] [ 48950: 48950] Signal 9: terminating thread group I0225 18:38:58.664014 2193509 compat.go:135] Uncaught signal: "killed" (9), PID: 48950, TID: 48950, fault addr: 0x0 D0225 18:38:58.664028 2193509 task_exit.go:204] [ 48950: 48950] Transitioning from exit state TaskExitNone to TaskExitInitiated D0225 18:38:58.665534 2193509 task_exit.go:358] [ 48950: 48950] Init process terminating, killing namespace D0225 18:38:58.665572 2193509 task_signals.go:458] [ 40: 40] Discarding duplicate signal 9 D0225 18:38:58.665583 2193509 task_exit.go:204] [ 48950: 48950] Transitioning from exit state TaskExitInitiated to TaskExitZombie D0225 18:38:58.665594 2193509 task_exit.go:204] [ 48950: 48950] Transitioning from exit state TaskExitZombie to TaskExitDead D0225 18:38:58.733877 2193509 urpc.go:611] urpc: unmarshal success. D0225 18:38:58.737086 2193509 urpc.go:568] urpc: successfully marshalled 86559 bytes. D0225 18:38:58.739605 2193509 urpc.go:611] urpc: unmarshal success. D0225 18:38:58.739650 2193509 controller.go:223] containerManager.Processes, cid: ci-gvisor-arm64-ptrace-1-0 D0225 18:38:58.739771 2193509 urpc.go:568] urpc: successfully marshalled 968 bytes. D0225 18:38:59.240576 2193509 sampler.go:191] Time: Adjusting syscall overhead down to 7 D0225 18:39:00.240406 2193509 sampler.go:191] Time: Adjusting syscall overhead down to 7 D0225 18:39:01.247679 2193509 sampler.go:191] Time: Adjusting syscall overhead down to 7 D0225 18:39:02.240748 2193509 sampler.go:191] Time: Adjusting syscall overhead down to 7 D0225 18:39:03.240455 2193509 sampler.go:191] Time: Adjusting syscall overhead down to 7 D0225 18:39:04.243364 2193509 sampler.go:191] Time: Adjusting syscall overhead down to 7 D0225 18:39:05.240758 2193509 sampler.go:191] Time: Adjusting syscall overhead down to 7 D0225 18:39:06.240740 2193509 sampler.go:191] Time: Adjusting syscall overhead down to 7 I0225 18:39:06.295093 2193509 watchdog.go:295] Watchdog starting loop, tasks: 22, discount: 0s D0225 18:39:07.240744 2193509 sampler.go:191] Time: Adjusting syscall overhead down to 7 D0225 18:39:08.251685 2193509 sampler.go:191] Time: Adjusting syscall overhead down to 7