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

goroutine 2364751 [running]:
panic({0x106e9a0, 0xc002f21950})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc000b8b380 sp=0xc000b8b2c0 pc=0x43781a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc000b76600?, 0x11bd180, 0x10baf40)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc000b8b3a8 sp=0xc000b8b380 pc=0x40b17c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc000194f00, {0x1450a98, 0xc0056ae000}, 0xc001c2c000, {0xc000441e00?, 0xc005bf1000?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0x825 fp=0xc000b8b5d8 sp=0xc000b8b3a8 pc=0x7a0fe5
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc000440100?, {0x1450a98, 0xc0056ae000}, 0xc0002db830?, 0xc008dca400?, 0xc000b8b788)
	pkg/sentry/vfs/vfs.go:296 +0x18f fp=0xc000b8b658 sp=0xc000b8b5d8 pc=0x7494cf
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc0056ae000, 0x56ae000?, 0x0?, 0x4e719f88?, 0x0?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x359 fp=0xc000b8b848 sp=0xc000b8b658 pc=0xa47fd9
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc0056ae000?, {{0xffffffffffffff9c}, {0x20000000}, {0x3}, {0x20000080}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x32 fp=0xc000b8b888 sp=0xc000b8b848 pc=0xa47c52
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0056ae000, 0x109, {{0xffffffffffffff9c}, {0x20000000}, {0x3}, {0x20000080}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc000b8bc78 sp=0xc000b8b888 pc=0x926d95
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0056ae000, 0xc007bb5a28?, {{0xffffffffffffff9c}, {0x20000000}, {0x3}, {0x20000080}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc000b8bcd8 sp=0xc000b8bc78 pc=0x927fca
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x0?, 0xc0007f83e0?, {{0xffffffffffffff9c}, {0x20000000}, {0x3}, {0x20000080}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc000b8bd38 sp=0xc000b8bcd8 pc=0x927ca5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc005998750?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc000b8be30 sp=0xc000b8bd38 pc=0x927a10
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0006e4a00?, 0xc0056ae000)
	pkg/sentry/kernel/task_run.go:259 +0xf3e fp=0xc000b8bf60 sp=0xc000b8be30 pc=0x91bc5e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0056ae000, 0x2f59)
	pkg/sentry/kernel/task_run.go:94 +0x1bc fp=0xc000b8bfc0 sp=0xc000b8bf60 pc=0x91a6dc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc000b8bfe0 sp=0xc000b8bfc0 pc=0x92558a
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc000b8bfe8 sp=0xc000b8bfe0 pc=0x46c701
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0xef