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

goroutine 4536227 [running]:
panic({0xb6a840, 0x4006d0b440})
	GOROOT/src/runtime/panic.go:987 +0x3d8 fp=0x400135b340 sp=0x400135b280 pc=0x46bb8
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0x4008760340?, 0xcb7a80, 0xbb6760)
	GOROOT/src/runtime/iface.go:272 +0x74 fp=0x400135b370 sp=0x400135b340 pc=0x1a174
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0x40004699a0, {0xf655b8, 0x40043d6000}, 0x4001d92d80, {0x4000131f00?, 0x40096c0c00?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0x604 fp=0x400135b5a0 sp=0x400135b370 pc=0x37fcb4
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0x40043d6000?, {0xf655b8, 0x40043d6000}, 0x3af56c?, 0x400135b6f8?, 0x400135b708)
	pkg/sentry/vfs/vfs.go:296 +0x168 fp=0x400135b620 sp=0x400135b5a0 pc=0x32b5e8
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0x40043d6000, 0x4de1b8?, 0x40043d6000?, 0x2990f2d8?, 0x400135b848?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x278 fp=0x400135b810 sp=0x400135b620 pc=0x5dfce8
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0x40043d6000?, {{0xffffffffffffff9c}, {0x20000600}, {0x3}, {0x20000680}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x30 fp=0x400135b850 sp=0x400135b810 pc=0x5dfa40
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x40043d6000, 0x25, {{0xffffffffffffff9c}, {0x20000600}, {0x3}, {0x20000680}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x578 fp=0x400135bc40 sp=0x400135b850 pc=0x4de1b8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x40043d6000, 0x0?, {{0xffffffffffffff9c}, {0x20000600}, {0x3}, {0x20000680}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x40 fp=0x400135bca0 sp=0x400135bc40 pc=0x4df0d0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x17d7843?, 0x29566fe4?, {{0xffffffffffffff9c}, {0x20000600}, {0x3}, {0x20000680}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x5c fp=0x400135bd00 sp=0x400135bca0 pc=0x4deddc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x400884f520?)
	pkg/sentry/kernel/task_syscall.go:257 +0x298 fp=0x400135be00 sp=0x400135bd00 pc=0x4deb88
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4003878900?, 0x40043d6000)
	pkg/sentry/kernel/task_run.go:259 +0xd10 fp=0x400135bf40 sp=0x400135be00 pc=0x4d4170
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x40043d6000, 0xd214)
	pkg/sentry/kernel/task_run.go:94 +0x1a8 fp=0x400135bfb0 sp=0x400135bf40 pc=0x4d2e88
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2c fp=0x400135bfd0 sp=0x400135bfb0 pc=0x4dcc6c
runtime.goexit()
	src/runtime/asm_arm64.s:1172 +0x4 fp=0x400135bfd0 sp=0x400135bfd0 pc=0x7b5a4
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0xe8