panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xc262c4] goroutine 1338672 [running]: panic({0x12a6e60, 0x2283050}) GOROOT/src/runtime/panic.go:987 +0x3bb fp=0xc00220eff8 sp=0xc00220ef38 pc=0x436b9b runtime.panicmem(...) GOROOT/src/runtime/panic.go:260 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:837 +0x37d fp=0xc00220f058 sp=0xc00220eff8 pc=0x44e1dd gvisor.dev/gvisor/pkg/sentry/inet.(*Namespace).GetInode(...) pkg/sentry/inet/namespace.go:70 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*namespaceSymlink).getInode(0xc00220f0b8?, 0x9cc0c5?) pkg/sentry/fsimpl/proc/task_files.go:1276 +0x44 fp=0xc00220f078 sp=0xc00220f058 pc=0xc262c4 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*namespaceSymlink).Getlink(0xc006a42500, {0x16e3c60, 0xc007d80000}, 0xc0004a0900) pkg/sentry/fsimpl/proc/task_files.go:1306 +0x22d fp=0xc00220f138 sp=0xc00220f078 pc=0xc266cd gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*taskOwnedInode).Getlink(0x1297520?, {0x16e3c60?, 0xc007d80000?}, 0x3?) :1 +0x34 fp=0xc00220f168 sp=0xc00220f138 pc=0xc50af4 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc0064cc480?, {0x16e3c60, 0xc007d80000}, 0xc0064cc480, 0xc00057fef0) pkg/sentry/fsimpl/kernfs/filesystem.go:85 +0x4ce fp=0xc00220f218 sp=0xc00220f168 pc=0x80330e gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc00220f2f8?, {0x16e3c60, 0xc007d80000}, 0xc0064cc480) pkg/sentry/fsimpl/kernfs/filesystem.go:163 +0xc5 fp=0xc00220f258 sp=0xc00220f218 pc=0x8039a5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc0003ed4a0, {0x16e3c60, 0xc007d80000}, 0xc0064cc480, {0x8000, 0x0, 0x0}) pkg/sentry/fsimpl/kernfs/filesystem.go:486 +0x632 fp=0xc00220f4c8 sp=0xc00220f258 pc=0x8075d2 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*filesystem).OpenAt(0xc00025d360?, {0x16e3c60?, 0xc007d80000?}, 0xc0064cc480?, {0x22e21b0?, 0x0?, 0x0?}) :1 +0x2e fp=0xc00220f500 sp=0xc00220f4c8 pc=0xc46a6e gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00790d480?, {0x16e3c60, 0xc007d80000}, 0xc0007b2000?, 0xc00220f820, 0xc00220f7b8) pkg/sentry/vfs/vfs.go:460 +0x31a fp=0xc00220f720 sp=0xc00220f500 pc=0x79773a gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc007d80000, 0x7c0d9a?, 0xc00220f938?, 0x0, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x29a fp=0xc00220f8e0 sp=0xc00220f720 pc=0xb4123a gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0x55e884f35000?, 0x7?, {{0xffffff9c}, {0x7ef125fa2030}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0x5f fp=0xc00220f918 sp=0xc00220f8e0 pc=0xb40edf gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc007d80000, 0x101, {{0xffffff9c}, {0x7ef125fa2030}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc00220fc58 sp=0xc00220f918 pc=0x9e254b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc007d80000, 0xc007ae84e0?, {{0xffffff9c}, {0x7ef125fa2030}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc00220fcb8 sp=0xc00220fc58 pc=0x9e3b34 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00220fe00?, 0xd6e179?, {{0xffffff9c}, {0x7ef125fa2030}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc00220fd18 sp=0xc00220fcb8 pc=0x9e3725 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00f9cbba0?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc00220fe10 sp=0xc00220fd18 pc=0x9e33ec gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc006a42680?, 0xc007d80000) pkg/sentry/kernel/task_run.go:269 +0x144a fp=0xc00220ff48 sp=0xc00220fe10 pc=0x9d4eea gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc007d80000, 0x961b) pkg/sentry/kernel/task_run.go:98 +0x25c fp=0xc00220ffc0 sp=0xc00220ff48 pc=0x9d339c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:389 +0x2a fp=0xc00220ffe0 sp=0xc00220ffc0 pc=0x9e09ca runtime.goexit() src/runtime/asm_amd64.s:1598 +0x1 fp=0xc00220ffe8 sp=0xc00220ffe0 pc=0x46d641 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:389 +0x105