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

goroutine 152 [running]:
panic({0x31eb00, 0xc0001f4f60})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc0008c2ea8 sp=0xc0008c2de8 pc=0x118b57a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc0005e4d58?, 0x473560, 0x36bde0)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc0008c2ed0 sp=0xc0008c2ea8 pc=0x115ea5c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc0004566e0, {0x750278, 0xc000700a80}, 0xc00099cd80, {0xc000813680?, 0xc000200aa0?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0xce5 fp=0xc0008c3178 sp=0xc0008c2ed0 pc=0x17c6c25
gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*filesystem).LinkAt(0xc0004566e0, {0x750278, 0xc000700a80}, 0x1c87127?, {0xc000813680?, 0xc000200aa0?})
	<autogenerated>:1 +0x8a fp=0xc0008c31e0 sp=0xc0008c3178 pc=0x1df918a
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc000700a80?, {0x750278, 0xc000700a80}, 0xc0005e4cf0?, 0xc000211100?, 0xc0008c3490)
	pkg/sentry/vfs/vfs.go:296 +0x402 fp=0xc0008c3298 sp=0xc0008c31e0 pc=0x1715062
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc000700a80, 0x11c5737?, 0x2658f24?, 0x1?, 0x11c426c?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x4aa fp=0xc0008c3540 sp=0xc0008c3298 pc=0x1ca70ca
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0x0?, {{0xffffff9c}, {0x20000140}, {0x3}, {0x200001c0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0xf1 fp=0xc0008c35c0 sp=0xc0008c3540 pc=0x1ca6bd1
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000700a80, 0x109, {{0xffffff9c}, {0x20000140}, {0x3}, {0x200001c0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0xab8 fp=0xc0008c39d8 sp=0xc0008c35c0 pc=0x1a94358
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000700a80, 0x1?, {{0xffffff9c}, {0x20000140}, {0x3}, {0x200001c0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x8e fp=0xc0008c3a78 sp=0xc0008c39d8 pc=0x1a964ae
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0009b6000?, 0x115a81d?, {{0xffffff9c}, {0x20000140}, {0x3}, {0x200001c0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0xc5 fp=0xc0008c3af0 sp=0xc0008c3a78 pc=0x1a95d85
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000700a80)
	pkg/sentry/kernel/task_syscall.go:257 +0x53b fp=0xc0008c3c18 sp=0xc0008c3af0 pc=0x1a9587b
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000700a80?, 0xc000700a80)
	pkg/sentry/kernel/task_run.go:259 +0x2094 fp=0xc0008c3ec0 sp=0xc0008c3c18 pc=0x1a7e6b4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000700a80, 0xd)
	pkg/sentry/kernel/task_run.go:94 +0x2cc fp=0xc0008c3fb0 sp=0xc0008c3ec0 pc=0x1a7bc4c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc0008c3fe0 sp=0xc0008c3fb0 pc=0x1a91a48
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0008c3fe8 sp=0xc0008c3fe0 pc=0x11c2601
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x1da