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

goroutine 4608955 [running]:
panic({0x31eb40, 0xc0096f66c0})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc003e5ae90 sp=0xc003e5add0 pc=0x1247f3a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc003e699b8?, 0x473620, 0x36be20)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc003e5aeb8 sp=0xc003e5ae90 pc=0x121b41c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc0002de500, {0x834178, 0xc006968a80}, 0xc000bbe000, {0xc000680080?, 0xc006832c80?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0xa4e fp=0xc003e5b118 sp=0xc003e5aeb8 pc=0x1825b8e
gvisor.dev/gvisor/pkg/sentry/fsimpl/sys.(*filesystem).LinkAt(0xc0002de500, {0x834178, 0xc006968a80}, 0x1281f45?, {0xc000680080?, 0xc006832c80?})
	<autogenerated>:1 +0x8a fp=0xc003e5b180 sp=0xc003e5b118 pc=0x21060ca
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc006969320?, {0x834178, 0xc006968a80}, 0xc003e69950?, 0xc005ead200?, 0xc003e5b3f8)
	pkg/sentry/vfs/vfs.go:296 +0x31d fp=0xc003e5b230 sp=0xc003e5b180 pc=0x178a8fd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc006968a80, 0x1281f45?, 0x1441e12?, 0x1281f17?, 0x101aa6fb8?, 0x1000)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x38c fp=0xc003e5b4a8 sp=0xc003e5b230 pc=0x1c8dfcc
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc006968a80?, {{0xffffffffffffff9c}, {0x20000000}, {0x5}, {0x20000080}, {0x1000}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x48 fp=0xc003e5b500 sp=0xc003e5b4a8 pc=0x1c8dbe8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc006968a80, 0x109, {{0xffffffffffffff9c}, {0x20000000}, {0x5}, {0x20000080}, {0x1000}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9b9 fp=0xc003e5b9e0 sp=0xc003e5b500 pc=0x1aa78d9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc006968a80, 0x0?, {{0xffffffffffffff9c}, {0x20000000}, {0x5}, {0x20000080}, {0x1000}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d fp=0xc003e5ba78 sp=0xc003e5b9e0 pc=0x1aa96bd
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0017181a0?, 0xc002673c20?, {{0xffffffffffffff9c}, {0x20000000}, {0x5}, {0x20000080}, {0x1000}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f fp=0xc003e5baf0 sp=0xc003e5ba78 pc=0x1aa906f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc006968a80)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c5 fp=0xc003e5bc18 sp=0xc003e5baf0 pc=0x1aa8c05
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc006968a80?, 0xc006968a80)
	pkg/sentry/kernel/task_run.go:259 +0x1b76 fp=0xc003e5bec8 sp=0xc003e5bc18 pc=0x1a936d6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc006968a80, 0xc23f)
	pkg/sentry/kernel/task_run.go:94 +0x37b fp=0xc003e5bfb0 sp=0xc003e5bec8 pc=0x1a911bb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc003e5bfe0 sp=0xc003e5bfb0 pc=0x1aa53c8
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc003e5bfe8 sp=0xc003e5bfe0 pc=0x127efc1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x1ad