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

goroutine 1666588 [running]:
panic({0x31f3e0, 0xc006470420})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc0009eaea8 sp=0xc0009eade8 pc=0x118f03a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc001cc3da8?, 0x474280, 0x36c7e0)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc0009eaed0 sp=0xc0009eaea8 pc=0x116251c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc0003226e0, {0x751938, 0xc008b2ea80}, 0xc002370900, {0xc00053bd80?, 0xc000f3bae0?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0xce5 fp=0xc0009eb178 sp=0xc0009eaed0 pc=0x17cae45
gvisor.dev/gvisor/pkg/sentry/fsimpl/sys.(*filesystem).LinkAt(0xc0003226e0, {0x751938, 0xc008b2ea80}, 0x1c8d487?, {0xc00053bd80?, 0xc000f3bae0?})
	<autogenerated>:1 +0x8a fp=0xc0009eb1e0 sp=0xc0009eb178 pc=0x217ba4a
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc008b2ea80?, {0x751938, 0xc008b2ea80}, 0xc001cc3d40?, 0xc0009e4300?, 0xc0009eb490)
	pkg/sentry/vfs/vfs.go:296 +0x402 fp=0xc0009eb298 sp=0xc0009eb1e0 pc=0x17192c2
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc008b2ea80, 0x11c91f7?, 0x265f2e4?, 0x1?, 0x11c7d2c?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x4aa fp=0xc0009eb540 sp=0xc0009eb298 pc=0x1cad42a
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0x0?, {{0xffffffffffffff9c}, {0x20000240}, {0x4}, {0x20000280}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0xf1 fp=0xc0009eb5c0 sp=0xc0009eb540 pc=0x1cacf31
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc008b2ea80, 0x109, {{0xffffffffffffff9c}, {0x20000240}, {0x4}, {0x20000280}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0xab8 fp=0xc0009eb9d8 sp=0xc0009eb5c0 pc=0x1a98eb8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc008b2ea80, 0x1?, {{0xffffffffffffff9c}, {0x20000240}, {0x4}, {0x20000280}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x8e fp=0xc0009eba78 sp=0xc0009eb9d8 pc=0x1a9b00e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0006fb0e0?, 0x115e2dd?, {{0xffffffffffffff9c}, {0x20000240}, {0x4}, {0x20000280}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0xc5 fp=0xc0009ebaf0 sp=0xc0009eba78 pc=0x1a9a8e5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc008b2ea80)
	pkg/sentry/kernel/task_syscall.go:257 +0x53b fp=0xc0009ebc18 sp=0xc0009ebaf0 pc=0x1a9a3db
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc008b2ea80?, 0xc008b2ea80)
	pkg/sentry/kernel/task_run.go:259 +0x2094 fp=0xc0009ebec0 sp=0xc0009ebc18 pc=0x1a83214
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc008b2ea80, 0x92e3)
	pkg/sentry/kernel/task_run.go:94 +0x2cc fp=0xc0009ebfb0 sp=0xc0009ebec0 pc=0x1a807ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc0009ebfe0 sp=0xc0009ebfb0 pc=0x1a965a8
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0009ebfe8 sp=0xc0009ebfe0 pc=0x11c60c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x1da