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

goroutine 1690925 [running]:
panic({0x31eb80, 0xc00a696bd0})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc000fbee90 sp=0xc000fbedd0 pc=0x1248d3a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc002dd87b8?, 0x473680, 0x36be60)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc000fbeeb8 sp=0xc000fbee90 pc=0x121c21c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc00024c500, {0x834778, 0xc00580d500}, 0xc002982000, {0xc000482780?, 0xc008187860?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0xa4e fp=0xc000fbf118 sp=0xc000fbeeb8 pc=0x182698e
gvisor.dev/gvisor/pkg/sentry/fsimpl/sys.(*filesystem).LinkAt(0xc00024c500, {0x834778, 0xc00580d500}, 0x1282d45?, {0xc000482780?, 0xc008187860?})
	<autogenerated>:1 +0x8a fp=0xc000fbf180 sp=0xc000fbf118 pc=0x21070aa
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc00580dda0?, {0x834778, 0xc00580d500}, 0xc002dd8750?, 0xc002163a00?, 0xc000fbf3f8)
	pkg/sentry/vfs/vfs.go:296 +0x31d fp=0xc000fbf230 sp=0xc000fbf180 pc=0x178b6fd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc00580d500, 0x1282d45?, 0x1442c12?, 0x1282d17?, 0x101aa7db8?, 0x400)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x38c fp=0xc000fbf4a8 sp=0xc000fbf230 pc=0x1c8edcc
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc00580d500?, {{0x3}, {0x20000100}, {0x4}, {0x20000180}, {0x400}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x48 fp=0xc000fbf500 sp=0xc000fbf4a8 pc=0x1c8e9e8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00580d500, 0x109, {{0x3}, {0x20000100}, {0x4}, {0x20000180}, {0x400}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9b9 fp=0xc000fbf9e0 sp=0xc000fbf500 pc=0x1aa86d9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00580d500, 0x0?, {{0x3}, {0x20000100}, {0x4}, {0x20000180}, {0x400}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d fp=0xc000fbfa78 sp=0xc000fbf9e0 pc=0x1aaa4bd
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc005134d00?, 0xc006722f00?, {{0x3}, {0x20000100}, {0x4}, {0x20000180}, {0x400}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f fp=0xc000fbfaf0 sp=0xc000fbfa78 pc=0x1aa9e6f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00580d500)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c5 fp=0xc000fbfc18 sp=0xc000fbfaf0 pc=0x1aa9a05
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00580d500?, 0xc00580d500)
	pkg/sentry/kernel/task_run.go:259 +0x1b76 fp=0xc000fbfec8 sp=0xc000fbfc18 pc=0x1a944d6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00580d500, 0xf48f)
	pkg/sentry/kernel/task_run.go:94 +0x37b fp=0xc000fbffb0 sp=0xc000fbfec8 pc=0x1a91fbb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc000fbffe0 sp=0xc000fbffb0 pc=0x1aa61c8
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc000fbffe8 sp=0xc000fbffe0 pc=0x127fdc1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x1ad