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

goroutine 5600491 [running]:
panic({0xb6a1e0, 0x4007a6a480})
	GOROOT/src/runtime/panic.go:987 +0x3d8 fp=0x4000eb1340 sp=0x4000eb1280 pc=0x46bb8
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0x40058e0340?, 0xcb7320, 0xbb6100)
	GOROOT/src/runtime/iface.go:272 +0x74 fp=0x4000eb1370 sp=0x4000eb1340 pc=0x1a174
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0x40002fc000, {0xf64698, 0x400782b500}, 0x400a12cd80, {0x4000127b00?, 0x400a6c0460?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0x604 fp=0x4000eb15a0 sp=0x4000eb1370 pc=0x37f634
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0x400782b500?, {0xf64698, 0x400782b500}, 0x3aecbc?, 0x4000eb16f8?, 0x4000eb1708)
	pkg/sentry/vfs/vfs.go:296 +0x168 fp=0x4000eb1620 sp=0x4000eb15a0 pc=0x32af68
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0x400782b500, 0x2?, 0x0?, 0xf46be2d8?, 0x4000eb1848?, 0x1400)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x278 fp=0x4000eb1810 sp=0x4000eb1620 pc=0x5ddf98
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0x400782b500?, {{0xffffffffffffff9c}, {0x200004c0}, {0x3}, {0x20000540}, {0x1400}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x30 fp=0x4000eb1850 sp=0x4000eb1810 pc=0x5ddcf0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x400782b500, 0x25, {{0xffffffffffffff9c}, {0x200004c0}, {0x3}, {0x20000540}, {0x1400}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x578 fp=0x4000eb1c40 sp=0x4000eb1850 pc=0x4dd308
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x400782b500, 0x0?, {{0xffffffffffffff9c}, {0x200004c0}, {0x3}, {0x20000540}, {0x1400}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x40 fp=0x4000eb1ca0 sp=0x4000eb1c40 pc=0x4de220
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x17d7842?, 0x22dd1219?, {{0xffffffffffffff9c}, {0x200004c0}, {0x3}, {0x20000540}, {0x1400}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x5c fp=0x4000eb1d00 sp=0x4000eb1ca0 pc=0x4ddf2c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x40055f3ba0?)
	pkg/sentry/kernel/task_syscall.go:257 +0x298 fp=0x4000eb1e00 sp=0x4000eb1d00 pc=0x4ddcd8
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x400a515880?, 0x400782b500)
	pkg/sentry/kernel/task_run.go:259 +0xd10 fp=0x4000eb1f40 sp=0x4000eb1e00 pc=0x4d32c0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x400782b500, 0x971c)
	pkg/sentry/kernel/task_run.go:94 +0x1a8 fp=0x4000eb1fb0 sp=0x4000eb1f40 pc=0x4d1fd8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2c fp=0x4000eb1fd0 sp=0x4000eb1fb0 pc=0x4dbdbc
runtime.goexit()
	src/runtime/asm_arm64.s:1172 +0x4 fp=0x4000eb1fd0 sp=0x4000eb1fd0 pc=0x7b5a4
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0xe8