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

goroutine 1087592 [running]:
panic({0x106ef60, 0xc009d7ed20})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc00359d380 sp=0xc00359d2c0 pc=0x43781a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc000cf8000?, 0x11bd9c0, 0x10bb5a0)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc00359d3a8 sp=0xc00359d380 pc=0x40b17c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc000450f00, {0x1451b58, 0xc004c82000}, 0xc0001c2d80, {0xc000655500?, 0xc0069bde00?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0x825 fp=0xc00359d5d8 sp=0xc00359d3a8 pc=0x7a1065
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc000452100?, {0x1451b58, 0xc004c82000}, 0xc001fcb290?, 0xc008d38100?, 0xc00359d788)
	pkg/sentry/vfs/vfs.go:296 +0x18f fp=0xc00359d658 sp=0xc00359d5d8 pc=0x74954f
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc004c82000, 0x4c82000?, 0xc0043fc878?, 0x7ecadf88?, 0x0?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x359 fp=0xc00359d848 sp=0xc00359d658 pc=0xa48e79
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc004c82000?, {{0xffffffffffffff9c}, {0x20000240}, {0x4}, {0x20000280}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x32 fp=0xc00359d888 sp=0xc00359d848 pc=0xa48af2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc004c82000, 0x109, {{0xffffffffffffff9c}, {0x20000240}, {0x4}, {0x20000280}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc00359dc78 sp=0xc00359d888 pc=0x9271f5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc004c82000, 0xc006056678?, {{0xffffffffffffff9c}, {0x20000240}, {0x4}, {0x20000280}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc00359dcd8 sp=0xc00359dc78 pc=0x92842a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x2?, 0x0?, {{0xffffffffffffff9c}, {0x20000240}, {0x4}, {0x20000280}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc00359dd38 sp=0xc00359dcd8 pc=0x928105
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc004692340?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc00359de30 sp=0xc00359dd38 pc=0x927e70
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0097c9d80?, 0xc004c82000)
	pkg/sentry/kernel/task_run.go:259 +0xf3e fp=0xc00359df60 sp=0xc00359de30 pc=0x91c0be
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004c82000, 0xb94f)
	pkg/sentry/kernel/task_run.go:94 +0x1bc fp=0xc00359dfc0 sp=0xc00359df60 pc=0x91ab3c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc00359dfe0 sp=0xc00359dfc0 pc=0x9259ea
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc00359dfe8 sp=0xc00359dfe0 pc=0x46c701
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0xef