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

goroutine 737021 [running]:
panic({0x11608a0, 0xc005233890})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc001d65428 sp=0xc001d65368 pc=0x43763a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0x77be71?, 0x12af040, 0x11ace40)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc001d65450 sp=0xc001d65428 pc=0x40b17c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc000235680, {0x1573778, 0xc004c72a80}, 0xc00431ed80, {0xc004479a00?, 0xc00076d000?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0x9ea fp=0xc001d65688 sp=0xc001d65450 pc=0x7e986a
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc0005b2100?, {0x1573778, 0xc004c72a80}, 0xc009d58cf0?, 0xc008161a00?, 0xc001d65840)
	pkg/sentry/vfs/vfs.go:296 +0x203 fp=0xc001d65708 sp=0xc001d65688 pc=0x77e903
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc004c72a80, 0x7?, 0x1?, 0x6b55df88?, 0x0?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x3d5 fp=0xc001d65900 sp=0xc001d65708 pc=0xaf5f35
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Link(0xc004c72a80?, {{0x20000200}, {0x200002c0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:988 +0x4b fp=0xc001d65940 sp=0xc001d65900 pc=0xaf5a8b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc004c72a80, 0x56, {{0x20000200}, {0x200002c0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc001d65c80 sp=0xc001d65940 pc=0x9ac00b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc004c72a80, 0x85?, {{0x20000200}, {0x200002c0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc001d65ce0 sp=0xc001d65c80 pc=0x9ad5f4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001d65d88?, 0x964226?, {{0x20000200}, {0x200002c0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc001d65d40 sp=0xc001d65ce0 pc=0x9ad1e5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00778a680?)
	pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc001d65e38 sp=0xc001d65d40 pc=0x9aceac
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc005ac0300?, 0xc004c72a80)
	pkg/sentry/kernel/task_run.go:259 +0x12ff fp=0xc001d65f60 sp=0xc001d65e38 pc=0x99eb3f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004c72a80, 0x56bd)
	pkg/sentry/kernel/task_run.go:94 +0x21c fp=0xc001d65fc0 sp=0xc001d65f60 pc=0x99d19c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc001d65fe0 sp=0xc001d65fc0 pc=0x9aa48a
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc001d65fe8 sp=0xc001d65fe0 pc=0x46c521
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x105