panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x1ec9dc4] goroutine 3897714 [running]: panic({0x322f40, 0x2800340}) GOROOT/src/runtime/panic.go:987 +0x3bb fp=0xc00222a860 sp=0xc00222a7a0 pc=0x130d87b runtime.panicmem(...) GOROOT/src/runtime/panic.go:260 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:837 +0x37d fp=0xc00222a8c0 sp=0xc00222a860 pc=0x132675d gvisor.dev/gvisor/pkg/sentry/inet.(*Namespace).GetInode(...) pkg/sentry/inet/namespace.go:70 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*namespaceSymlink).getInode(...) pkg/sentry/fsimpl/proc/task_files.go:1276 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*namespaceSymlink).Getlink(0xc02f5b6400, {0x84d3c0, 0xc00a35e000}, 0xc000629c00) pkg/sentry/fsimpl/proc/task_files.go:1306 +0x184 fp=0xc00222a9f8 sp=0xc00222a8c0 pc=0x1ec9dc4 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*taskOwnedInode).Getlink(0xc012bab9f8, {0x84d3c0, 0xc00a35e000}, 0xc00e8bb5f0?) :1 +0x77 fp=0xc00222aa58 sp=0xc00222a9f8 pc=0x1f04e77 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0x131f4b9?, {0x84d3c0, 0xc00a35e000}, 0xc004b76480, 0xc00e8bb560) pkg/sentry/fsimpl/kernfs/filesystem.go:85 +0x5a3 fp=0xc00222ab98 sp=0xc00222aa58 pc=0x190e643 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc0001d0230?, {0x84d3c0, 0xc00a35e000}, 0xc004b76480) pkg/sentry/fsimpl/kernfs/filesystem.go:163 +0xdf fp=0xc00222ac00 sp=0xc00222ab98 pc=0x190ed9f gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc0001d01e0, {0x84d3c0, 0xc00a35e000}, 0xc004b76480, {0x8002, 0x0, 0x0}) pkg/sentry/fsimpl/kernfs/filesystem.go:486 +0x1c5 fp=0xc00222aef0 sp=0xc00222ac00 pc=0x1912d65 gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*filesystem).OpenAt(0xc0001d01e0, {0x84d3c0, 0xc00a35e000}, 0xc004b76480?, {0x37f5300?, 0x0?, 0x0?}) :1 +0x85 fp=0xc00222af50 sp=0xc00222aef0 pc=0x1ef4f65 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc0157e3c40?, {0x84d3c0, 0xc00a35e000}, 0xc00003e400?, 0xc00222b370, 0xc00222b268) pkg/sentry/vfs/vfs.go:460 +0x517 fp=0xc00222b1c0 sp=0xc00222af50 pc=0x1872a17 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc00a35e000, 0x1?, 0x1349ba5?, 0x2, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x2b2 fp=0xc00222b420 sp=0xc00222b1c0 pc=0x1d9cff2 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc00a35e000?, 0x3?, {{0xffffff9c}, {0x7f0826a7e030}, {0x2}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0x45 fp=0xc00222b480 sp=0xc00222b420 pc=0x1d9cc45 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00a35e000, 0x101, {{0xffffff9c}, {0x7f0826a7e030}, {0x2}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9c2 fp=0xc00222b960 sp=0xc00222b480 pc=0x1bb0002 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00a35e000, 0x0?, {{0xffffff9c}, {0x7f0826a7e030}, {0x2}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x7d fp=0xc00222b9f8 sp=0xc00222b960 pc=0x1bb1dfd gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00e5c41a0?, 0xc012ab7c20?, {{0xffffff9c}, {0x7f0826a7e030}, {0x2}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f fp=0xc00222ba70 sp=0xc00222b9f8 pc=0x1bb17af gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00a35e000) pkg/sentry/kernel/task_syscall.go:257 +0x4c5 fp=0xc00222bb98 sp=0xc00222ba70 pc=0x1bb1345 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00a35e000?, 0xc00a35e000) pkg/sentry/kernel/task_run.go:269 +0x1d4b fp=0xc00222be70 sp=0xc00222bb98 pc=0x1b9ba0b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00a35e000, 0xef57) pkg/sentry/kernel/task_run.go:98 +0x41b fp=0xc00222bfb0 sp=0xc00222be70 pc=0x1b9929b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:389 +0x48 fp=0xc00222bfe0 sp=0xc00222bfb0 pc=0x1badb08 runtime.goexit() src/runtime/asm_amd64.s:1598 +0x1 fp=0xc00222bfe8 sp=0xc00222bfe0 pc=0x1346801 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:389 +0x1ad