panic: wd changed: "/tmp" -> "(unreachable)/"

goroutine 146 [running]:
github.com/google/syzkaller/pkg/osutil.Abs({0xc0006022e0, 0xcc05f8})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil.go:331 +0x1b9
github.com/google/syzkaller/pkg/ipc.makeCommand(0x1, {0xc000662200, 0x2, 0x2}, 0xc00071e840, 0xc0005c6100, 0xc0005c6108, {0x7f374d000000, 0x1000000, 0x1000000}, ...)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:558 +0x132
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc0003a0510, 0xac1bc0, 0xc0001ae5c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:282 +0x20e
main.(*Context).execute(0xc0002e6000, 0x1, 0xc000166420, 0xc000551778)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:172 +0x151
main.(*Context).run(0xc0002e6000, 0x4f93e5)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:157 +0xed
main.main.func3()
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:120 +0x5c
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:118 +0x61c
D0201 12:38:50.679154  732845 task_signals.go:470] [  14:  21] Notified of signal 23
D0201 12:38:50.679298  732845 task_signals.go:179] [  14:  21] Restarting syscall 202: interrupted by signal 23
D0201 12:38:50.679339  732845 task_signals.go:220] [  14:  21] Signal 23: delivering to handler
D0201 12:38:50.680932  732845 task_signals.go:470] [  14:  21] Notified of signal 23
D0201 12:38:50.681192  732845 task_signals.go:179] [  14:  21] Restarting syscall 202: interrupted by signal 23
D0201 12:38:50.681243  732845 task_signals.go:220] [  14:  21] Signal 23: delivering to handler
D0201 12:38:50.682625  732845 task_signals.go:470] [  14:  21] Notified of signal 23
D0201 12:38:50.682752  732845 task_signals.go:179] [  14:  21] Restarting syscall 202: interrupted by signal 23
D0201 12:38:50.682852  732845 task_signals.go:220] [  14:  21] Signal 23: delivering to handler
D0201 12:38:50.684149  732845 task_signals.go:470] [  14:  21] Notified of signal 23
D0201 12:38:50.684276  732845 task_signals.go:179] [  14:  21] Restarting syscall 202: interrupted by signal 23
D0201 12:38:50.684319  732845 task_signals.go:220] [  14:  21] Signal 23: delivering to handler
D0201 12:38:50.685775  732845 task_signals.go:470] [  14:  21] Notified of signal 23
D0201 12:38:50.685901  732845 task_signals.go:179] [  14:  21] Restarting syscall 202: interrupted by signal 23
D0201 12:38:50.685926  732845 task_signals.go:220] [  14:  21] Signal 23: delivering to handler
D0201 12:38:50.691986  732845 task_signals.go:470] [  14:  21] Notified of signal 23
D0201 12:38:50.692227  732845 task_signals.go:179] [  14:  21] Restarting syscall 202: interrupted by signal 23
D0201 12:38:50.692274  732845 task_signals.go:220] [  14:  21] Signal 23: delivering to handler
panic: wd changed: "/tmp" -> "(unreachable)/"