panic: Unknown syscall 85 error: link should be resolved via Readlink() DIAGNOSIS: container sandbox is not running Error collecting stacks: failed to run ["/syzkaller/managers/kvm-direct-overlay-host-race/current/image" "-root" "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "-watchdog-action=panic" "-network=none" "-debug" "-platform=ptrace" "-file-access=exclusive" "-overlay" "-network=host" "debug" "-stacks" "ci-gvisor-kvm-direct-overlay-host-race-0"]: exit status 128 container sandbox is not running goroutine 203 [running]: gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ExtractErrno(0xc000711500, 0x13b9340, 0xc0001367e0, 0x55, 0x0) pkg/sentry/kernel/task_syscall.go:446 +0x536 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000711500, 0x55, 0x20000280, 0x0, 0x0, 0x0, 0x0, 0x0, 0x55, 0xc000664870) pkg/sentry/kernel/task_syscall.go:293 +0x158 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000711500, 0x55, 0x20000280, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc0006fbd38, 0xda80f5) pkg/sentry/kernel/task_syscall.go:244 +0x10a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000711500, 0x2, 0xc000502680) pkg/sentry/kernel/task_syscall.go:219 +0x1b7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000711500, 0x13b9c20, 0x0) pkg/sentry/kernel/task_run.go:219 +0x1524 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000711500, 0x4c) pkg/sentry/kernel/task_run.go:91 +0x2e6 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:287 +0x19e