panic: interface conversion: vfs.DentryImpl is *tmpfs.dentry, not *kernfs.Dentry goroutine 197 [running]: panic({0x31eb00, 0xc000c02450}) GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc000cbcea8 sp=0xc000cbcde8 pc=0x118b57a runtime.panicdottypeE(...) GOROOT/src/runtime/iface.go:262 runtime.panicdottypeI(0xc0005a63c8?, 0x473560, 0x36bde0) GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc000cbced0 sp=0xc000cbcea8 pc=0x115ea5c gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc00053c000, {0x750278, 0xc000856a80}, 0xc000245680, {0xc00052ab80?, 0xc00037d400?}) pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0xce5 fp=0xc000cbd178 sp=0xc000cbced0 pc=0x17c6c25 gvisor.dev/gvisor/pkg/sentry/fsimpl/sys.(*filesystem).LinkAt(0xc00053c000, {0x750278, 0xc000856a80}, 0x1c87127?, {0xc00052ab80?, 0xc00037d400?}) :1 +0x8a fp=0xc000cbd1e0 sp=0xc000cbd178 pc=0x21782aa gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc000856a80?, {0x750278, 0xc000856a80}, 0xc0005a6360?, 0xc00018c600?, 0xc000cbd490) pkg/sentry/vfs/vfs.go:296 +0x402 fp=0xc000cbd298 sp=0xc000cbd1e0 pc=0x1715062 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc000856a80, 0x11c5737?, 0x2658f24?, 0x1?, 0x11c426c?, 0x0) pkg/sentry/syscalls/linux/sys_file.go:1029 +0x4aa fp=0xc000cbd540 sp=0xc000cbd298 pc=0x1ca70ca gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0x0?, {{0xffffff9c}, {0x20000100}, {0x3}, {0x20000580}, {0x0}, {0x7ffca8a53e78}}) pkg/sentry/syscalls/linux/sys_file.go:998 +0xf1 fp=0xc000cbd5c0 sp=0xc000cbd540 pc=0x1ca6bd1 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000856a80, 0x109, {{0xffffff9c}, {0x20000100}, {0x3}, {0x20000580}, {0x0}, {0x7ffca8a53e78}}) pkg/sentry/kernel/task_syscall.go:142 +0xab8 fp=0xc000cbd9d8 sp=0xc000cbd5c0 pc=0x1a94358 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000856a80, 0x1?, {{0xffffff9c}, {0x20000100}, {0x3}, {0x20000580}, {0x0}, {0x7ffca8a53e78}}) pkg/sentry/kernel/task_syscall.go:322 +0x8e fp=0xc000cbda78 sp=0xc000cbd9d8 pc=0x1a964ae gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0008960f0?, 0x115a81d?, {{0xffffff9c}, {0x20000100}, {0x3}, {0x20000580}, {0x0}, {0x7ffca8a53e78}}) pkg/sentry/kernel/task_syscall.go:282 +0xc5 fp=0xc000cbdaf0 sp=0xc000cbda78 pc=0x1a95d85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000856a80) pkg/sentry/kernel/task_syscall.go:257 +0x53b fp=0xc000cbdc18 sp=0xc000cbdaf0 pc=0x1a9587b gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000856a80?, 0xc000856a80) pkg/sentry/kernel/task_run.go:259 +0x2094 fp=0xc000cbdec0 sp=0xc000cbdc18 pc=0x1a7e6b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000856a80, 0xb) pkg/sentry/kernel/task_run.go:94 +0x2cc fp=0xc000cbdfb0 sp=0xc000cbdec0 pc=0x1a7bc4c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc000cbdfe0 sp=0xc000cbdfb0 pc=0x1a91a48 runtime.goexit() src/runtime/asm_amd64.s:1594 +0x1 fp=0xc000cbdfe8 sp=0xc000cbdfe0 pc=0x11c2601 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x1da