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

goroutine 977551 [running]:
panic({0x106c720, 0xc008780e10})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc000c1b380 sp=0xc000c1b2c0 pc=0x43781a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0x10090e2c5?, 0x11bae60, 0x10b8cc0)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc000c1b3a8 sp=0xc000c1b380 pc=0x40b17c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc000322140, {0x144e898, 0xc003b7e000}, 0xc00988e000, {0xc0003b2e80?, 0xc0016de960?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0x825 fp=0xc000c1b5d8 sp=0xc000c1b3a8 pc=0x7a09a5
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc000466100?, {0x144e898, 0xc003b7e000}, 0xc000a50630?, 0xc003b3de00?, 0xc000c1b788)
	pkg/sentry/vfs/vfs.go:296 +0x18f fp=0xc000c1b658 sp=0xc000c1b5d8 pc=0x748e8f
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc003b7e000, 0x3b7e000?, 0xc003b7e000?, 0x3dcedf88?, 0x0?, 0x1000)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x359 fp=0xc000c1b848 sp=0xc000c1b658 pc=0xa46d59
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc003b7e000?, {{0xffffffffffffff9c}, {0x200002c0}, {0x3}, {0x20000340}, {0x1000}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x32 fp=0xc000c1b888 sp=0xc000c1b848 pc=0xa469d2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc003b7e000, 0x109, {{0xffffffffffffff9c}, {0x200002c0}, {0x3}, {0x20000340}, {0x1000}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc000c1bc78 sp=0xc000c1b888 pc=0x9260d5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc003b7e000, 0xc005e530c8?, {{0xffffffffffffff9c}, {0x200002c0}, {0x3}, {0x20000340}, {0x1000}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc000c1bcd8 sp=0xc000c1bc78 pc=0x92730a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x2?, 0x0?, {{0xffffffffffffff9c}, {0x200002c0}, {0x3}, {0x20000340}, {0x1000}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc000c1bd38 sp=0xc000c1bcd8 pc=0x926fe5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00867be10?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc000c1be30 sp=0xc000c1bd38 pc=0x926d50
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc004814d80?, 0xc003b7e000)
	pkg/sentry/kernel/task_run.go:259 +0xf3e fp=0xc000c1bf60 sp=0xc000c1be30 pc=0x91af9e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc003b7e000, 0xa6f4)
	pkg/sentry/kernel/task_run.go:94 +0x1bc fp=0xc000c1bfc0 sp=0xc000c1bf60 pc=0x919a1c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc000c1bfe0 sp=0xc000c1bfc0 pc=0x9248ca
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc000c1bfe8 sp=0xc000c1bfe0 pc=0x46c701
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0xef