panic: interface conversion: vfs.DentryImpl is *tmpfs.dentry, not *kernfs.Dentry

goroutine 590702 [running]:
panic({0x31eb40, 0xc002c27770})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc0012caea8 sp=0xc0012cade8 pc=0x118cb1a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc0015c1d18?, 0x4736c0, 0x36bea0)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc0012caed0 sp=0xc0012caea8 pc=0x115fffc
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc00025e960, {0x750c58, 0xc00542f500}, 0xc00345a900, {0xc000207f00?, 0xc00589a400?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0xce5 fp=0xc0012cb178 sp=0xc0012caed0 pc=0x17c81c5
gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*filesystem).LinkAt(0xc00025e960, {0x750c58, 0xc00542f500}, 0x7379a0?, {0xc000207f00?, 0xc00589a400?})
	<autogenerated>:1 +0x8a fp=0xc0012cb1e0 sp=0xc0012cb178 pc=0x1dfa72a
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc00542f500?, {0x750c58, 0xc00542f500}, 0xc000353600?, 0xc0085c6c01?, 0xc0012cb490)
	pkg/sentry/vfs/vfs.go:296 +0x402 fp=0xc0012cb298 sp=0xc0012cb1e0 pc=0x1716602
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc00542f500, 0x11c6cd7?, 0x265d124?, 0x1?, 0x11c580c?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x4aa fp=0xc0012cb540 sp=0xc0012cb298 pc=0x1ca866a
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0x0?, {{0xffffffffffffff9c}, {0x20000040}, {0x3}, {0x20000080}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0xf1 fp=0xc0012cb5c0 sp=0xc0012cb540 pc=0x1ca8171
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00542f500, 0x109, {{0xffffffffffffff9c}, {0x20000040}, {0x3}, {0x20000080}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0xab8 fp=0xc0012cb9d8 sp=0xc0012cb5c0 pc=0x1a958f8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00542f500, 0x1?, {{0xffffffffffffff9c}, {0x20000040}, {0x3}, {0x20000080}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x8e fp=0xc0012cba78 sp=0xc0012cb9d8 pc=0x1a97a4e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0067143c0?, 0x115bdbd?, {{0xffffffffffffff9c}, {0x20000040}, {0x3}, {0x20000080}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0xc5 fp=0xc0012cbaf0 sp=0xc0012cba78 pc=0x1a97325
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00542f500)
	pkg/sentry/kernel/task_syscall.go:257 +0x53b fp=0xc0012cbc18 sp=0xc0012cbaf0 pc=0x1a96e1b
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00542f500?, 0xc00542f500)
	pkg/sentry/kernel/task_run.go:259 +0x2094 fp=0xc0012cbec0 sp=0xc0012cbc18 pc=0x1a7fc54
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00542f500, 0x3317)
	pkg/sentry/kernel/task_run.go:94 +0x2cc fp=0xc0012cbfb0 sp=0xc0012cbec0 pc=0x1a7d1ec
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc0012cbfe0 sp=0xc0012cbfb0 pc=0x1a92fe8
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0012cbfe8 sp=0xc0012cbfe0 pc=0x11c3ba1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x1da