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

goroutine 2862499 [running]:
panic({0x31f0c0, 0xc0068015f0})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc000f72ea8 sp=0xc000f72de8 pc=0x118e31a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc001f1f418?, 0x473d00, 0x36c420)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc000f72ed0 sp=0xc000f72ea8 pc=0x11617fc
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc000148e60, {0x7514b8, 0xc0079f8a80}, 0xc0008fe900, {0xc000833400?, 0xc0030d7630?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0xce5 fp=0xc000f73178 sp=0xc000f72ed0 pc=0x17ca125
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).LinkAt(0xc000148e60, {0x7514b8, 0xc0079f8a80}, 0x738260?, {0xc000833400?, 0xc0030d7630?})
	<autogenerated>:1 +0x8a fp=0xc000f731e0 sp=0xc000f73178 pc=0x180e12a
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc0079f8a80?, {0x7514b8, 0xc0079f8a80}, 0xc0076d7000?, 0xc00a5e5c00?, 0xc000f73490)
	pkg/sentry/vfs/vfs.go:296 +0x402 fp=0xc000f73298 sp=0xc000f731e0 pc=0x17185a2
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc0079f8a80, 0x11c84d7?, 0x26612c4?, 0x1?, 0x11c700c?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x4aa fp=0xc000f73540 sp=0xc000f73298 pc=0x1cac0aa
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0x0?, {{0xffffffffffffff9c}, {0x20000380}, {0xffffffffffffff9c}, {0x200003c0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0xf1 fp=0xc000f735c0 sp=0xc000f73540 pc=0x1cabbb1
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0079f8a80, 0x109, {{0xffffffffffffff9c}, {0x20000380}, {0xffffffffffffff9c}, {0x200003c0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0xab8 fp=0xc000f739d8 sp=0xc000f735c0 pc=0x1a98198
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0079f8a80, 0x1?, {{0xffffffffffffff9c}, {0x20000380}, {0xffffffffffffff9c}, {0x200003c0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x8e fp=0xc000f73a78 sp=0xc000f739d8 pc=0x1a9a2ee
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00a65f4a0?, 0x115d5bd?, {{0xffffffffffffff9c}, {0x20000380}, {0xffffffffffffff9c}, {0x200003c0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0xc5 fp=0xc000f73af0 sp=0xc000f73a78 pc=0x1a99bc5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0079f8a80)
	pkg/sentry/kernel/task_syscall.go:257 +0x53b fp=0xc000f73c18 sp=0xc000f73af0 pc=0x1a996bb
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0079f8a80?, 0xc0079f8a80)
	pkg/sentry/kernel/task_run.go:259 +0x2094 fp=0xc000f73ec0 sp=0xc000f73c18 pc=0x1a824f4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0079f8a80, 0xcebc)
	pkg/sentry/kernel/task_run.go:94 +0x2cc fp=0xc000f73fb0 sp=0xc000f73ec0 pc=0x1a7fa8c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc000f73fe0 sp=0xc000f73fb0 pc=0x1a95888
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc000f73fe8 sp=0xc000f73fe0 pc=0x11c53a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x1da