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

goroutine 844105 [running]:
panic({0x31eb20, 0xc0052d9e00})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc00098ee90 sp=0xc00098edd0 pc=0x12475fa
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc006c88e78?, 0x473500, 0x36bd80)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc00098eeb8 sp=0xc00098ee90 pc=0x121aadc
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc00017a1e0, {0x833c78, 0xc0067dd500}, 0xc001f44000, {0xc00064a400?, 0xc006741400?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0xa4e fp=0xc00098f118 sp=0xc00098eeb8 pc=0x182524e
gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*filesystem).LinkAt(0xc00017a1e0, {0x833c78, 0xc0067dd500}, 0x1281605?, {0xc00064a400?, 0xc006741400?})
	<autogenerated>:1 +0x8a fp=0xc00098f180 sp=0xc00098f118 pc=0x1dc0a0a
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc0067ddda0?, {0x833c78, 0xc0067dd500}, 0xc006c88e10?, 0xc0091a0d00?, 0xc00098f3f8)
	pkg/sentry/vfs/vfs.go:296 +0x31d fp=0xc00098f230 sp=0xc00098f180 pc=0x1789fbd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc0067dd500, 0x1281605?, 0x14414d2?, 0x12815d7?, 0x101aa6678?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x38c fp=0xc00098f4a8 sp=0xc00098f230 pc=0x1c8d68c
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc0067dd500?, {{0xffffffffffffff9c}, {0x20000140}, {0x3}, {0x200001c0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x48 fp=0xc00098f500 sp=0xc00098f4a8 pc=0x1c8d2a8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0067dd500, 0x109, {{0xffffffffffffff9c}, {0x20000140}, {0x3}, {0x200001c0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9b9 fp=0xc00098f9e0 sp=0xc00098f500 pc=0x1aa6f99
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0067dd500, 0x0?, {{0xffffffffffffff9c}, {0x20000140}, {0x3}, {0x200001c0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d fp=0xc00098fa78 sp=0xc00098f9e0 pc=0x1aa8d7d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc004066b60?, 0xc009f7cd20?, {{0xffffffffffffff9c}, {0x20000140}, {0x3}, {0x200001c0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f fp=0xc00098faf0 sp=0xc00098fa78 pc=0x1aa872f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0067dd500)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c5 fp=0xc00098fc18 sp=0xc00098faf0 pc=0x1aa82c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0067dd500?, 0xc0067dd500)
	pkg/sentry/kernel/task_run.go:259 +0x1b76 fp=0xc00098fec8 sp=0xc00098fc18 pc=0x1a92d96
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0067dd500, 0xae28)
	pkg/sentry/kernel/task_run.go:94 +0x37b fp=0xc00098ffb0 sp=0xc00098fec8 pc=0x1a9087b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc00098ffe0 sp=0xc00098ffb0 pc=0x1aa4a88
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc00098ffe8 sp=0xc00098ffe0 pc=0x127e681
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x1ad