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

goroutine 674895 [running]:
panic({0x31eb20, 0xc006975380})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc0004fae90 sp=0xc0004fadd0 pc=0x12475fa
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc00040d418?, 0x473500, 0x36bd80)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc0004faeb8 sp=0xc0004fae90 pc=0x121aadc
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc00024eb40, {0x833c78, 0xc0053f4000}, 0xc000624000, {0xc0004f5e00?, 0xc006fe30e0?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0xa4e fp=0xc0004fb118 sp=0xc0004faeb8 pc=0x182524e
gvisor.dev/gvisor/pkg/sentry/fsimpl/sys.(*filesystem).LinkAt(0xc00024eb40, {0x833c78, 0xc0053f4000}, 0x1281605?, {0xc0004f5e00?, 0xc006fe30e0?})
	<autogenerated>:1 +0x8a fp=0xc0004fb180 sp=0xc0004fb118 pc=0x210578a
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc0053f48a0?, {0x833c78, 0xc0053f4000}, 0xc00040d3b0?, 0xc00535d800?, 0xc0004fb3f8)
	pkg/sentry/vfs/vfs.go:296 +0x31d fp=0xc0004fb230 sp=0xc0004fb180 pc=0x1789fbd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc0053f4000, 0x1281605?, 0x14414d2?, 0x12815d7?, 0x101aa6678?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x38c fp=0xc0004fb4a8 sp=0xc0004fb230 pc=0x1c8d68c
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc0053f4000?, {{0xffffffffffffff9c}, {0x200000c0}, {0x4}, {0x20000100}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x48 fp=0xc0004fb500 sp=0xc0004fb4a8 pc=0x1c8d2a8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0053f4000, 0x109, {{0xffffffffffffff9c}, {0x200000c0}, {0x4}, {0x20000100}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9b9 fp=0xc0004fb9e0 sp=0xc0004fb500 pc=0x1aa6f99
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0053f4000, 0x0?, {{0xffffffffffffff9c}, {0x200000c0}, {0x4}, {0x20000100}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d fp=0xc0004fba78 sp=0xc0004fb9e0 pc=0x1aa8d7d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc008361450?, 0xc003556c30?, {{0xffffffffffffff9c}, {0x200000c0}, {0x4}, {0x20000100}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f fp=0xc0004fbaf0 sp=0xc0004fba78 pc=0x1aa872f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0053f4000)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c5 fp=0xc0004fbc18 sp=0xc0004fbaf0 pc=0x1aa82c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0053f4000?, 0xc0053f4000)
	pkg/sentry/kernel/task_run.go:259 +0x1b76 fp=0xc0004fbec8 sp=0xc0004fbc18 pc=0x1a92d96
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0053f4000, 0x5ce9)
	pkg/sentry/kernel/task_run.go:94 +0x37b fp=0xc0004fbfb0 sp=0xc0004fbec8 pc=0x1a9087b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc0004fbfe0 sp=0xc0004fbfb0 pc=0x1aa4a88
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0004fbfe8 sp=0xc0004fbfe0 pc=0x127e681
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x1ad