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

goroutine 4012047 [running]:
panic({0x106fd40, 0xc000cf5bc0})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc00160b380 sp=0xc00160b2c0 pc=0x43781a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc004aacc00?, 0x11be560, 0x10bc2e0)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc00160b3a8 sp=0xc00160b380 pc=0x40b17c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc000518140, {0x1452278, 0xc0097eb500}, 0xc009860900, {0xc00040b500?, 0xc004279900?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0x825 fp=0xc00160b5d8 sp=0xc00160b3a8 pc=0x7a1005
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc0005a2180?, {0x1452278, 0xc0097eb500}, 0xc006debe60?, 0xc007093700?, 0xc00160b788)
	pkg/sentry/vfs/vfs.go:296 +0x18f fp=0xc00160b658 sp=0xc00160b5d8 pc=0x7494ef
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc0097eb500, 0x97eb500?, 0x1?, 0xe678af8c?, 0x5?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x359 fp=0xc00160b848 sp=0xc00160b658 pc=0xa48e19
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc0097eb500?, {{0x3}, {0x200001c0}, {0x5}, {0x20000240}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x32 fp=0xc00160b888 sp=0xc00160b848 pc=0xa48a92
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0097eb500, 0x109, {{0x3}, {0x200001c0}, {0x5}, {0x20000240}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc00160bc78 sp=0xc00160b888 pc=0x927195
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0097eb500, 0xc006a1dc08?, {{0x3}, {0x200001c0}, {0x5}, {0x20000240}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc00160bcd8 sp=0xc00160bc78 pc=0x9283ca
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x40db27?, 0x80?, {{0x3}, {0x200001c0}, {0x5}, {0x20000240}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc00160bd38 sp=0xc00160bcd8 pc=0x9280a5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc004da2340?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc00160be30 sp=0xc00160bd38 pc=0x927e10
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00a533380?, 0xc0097eb500)
	pkg/sentry/kernel/task_run.go:259 +0xf3e fp=0xc00160bf60 sp=0xc00160be30 pc=0x91c05e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0097eb500, 0x3764)
	pkg/sentry/kernel/task_run.go:94 +0x1bc fp=0xc00160bfc0 sp=0xc00160bf60 pc=0x91aadc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc00160bfe0 sp=0xc00160bfc0 pc=0x92598a
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc00160bfe8 sp=0xc00160bfe0 pc=0x46c701
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0xef