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

goroutine 7581382 [running]:
panic({0xb6a200, 0x400b7d8ea0})
	GOROOT/src/runtime/panic.go:987 +0x3d8 fp=0x4000d19340 sp=0x4000d19280 pc=0x46bb8
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0x4009c8c820?, 0xcb7360, 0xbb6120)
	GOROOT/src/runtime/iface.go:272 +0x74 fp=0x4000d19370 sp=0x4000d19340 pc=0x1a174
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0x40000fc6e0, {0xf64bb8, 0x400a98ea80}, 0x4000773200, {0x40001e0280?, 0x4000180640?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0x604 fp=0x4000d195a0 sp=0x4000d19370 pc=0x37f634
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0x400a98ea80?, {0xf64bb8, 0x400a98ea80}, 0x3aecbc?, 0x4000d196f8?, 0x4000d19708)
	pkg/sentry/vfs/vfs.go:296 +0x168 fp=0x4000d19620 sp=0x4000d195a0 pc=0x32af68
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0x400a98ea80, 0x1?, 0x20001040?, 0x3f6a42d8?, 0x4000d19848?, 0x1400)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x278 fp=0x4000d19810 sp=0x4000d19620 pc=0x5ddf98
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0x400a98ea80?, {{0x3}, {0x20001640}, {0x4}, {0x200016c0}, {0x1400}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x30 fp=0x4000d19850 sp=0x4000d19810 pc=0x5ddcf0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x400a98ea80, 0x25, {{0x3}, {0x20001640}, {0x4}, {0x200016c0}, {0x1400}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x578 fp=0x4000d19c40 sp=0x4000d19850 pc=0x4dd308
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x400a98ea80, 0x0?, {{0x3}, {0x20001640}, {0x4}, {0x200016c0}, {0x1400}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x40 fp=0x4000d19ca0 sp=0x4000d19c40 pc=0x4de220
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x17d7841?, 0x55?, {{0x3}, {0x20001640}, {0x4}, {0x200016c0}, {0x1400}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x5c fp=0x4000d19d00 sp=0x4000d19ca0 pc=0x4ddf2c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x400ae01e10?)
	pkg/sentry/kernel/task_syscall.go:257 +0x298 fp=0x4000d19e00 sp=0x4000d19d00 pc=0x4ddcd8
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x400815bb00?, 0x400a98ea80)
	pkg/sentry/kernel/task_run.go:259 +0xd10 fp=0x4000d19f40 sp=0x4000d19e00 pc=0x4d32c0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x400a98ea80, 0xaac8)
	pkg/sentry/kernel/task_run.go:94 +0x1a8 fp=0x4000d19fb0 sp=0x4000d19f40 pc=0x4d1fd8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2c fp=0x4000d19fd0 sp=0x4000d19fb0 pc=0x4dbdbc
runtime.goexit()
	src/runtime/asm_arm64.s:1172 +0x4 fp=0x4000d19fd0 sp=0x4000d19fd0 pc=0x7b5a4
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0xe8