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

goroutine 1553439 [running]:
panic({0x106d860, 0xc003839680})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc000b41380 sp=0xc000b412c0 pc=0x43781a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc002c85800?, 0x11bc000, 0x10b9e00)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc000b413a8 sp=0xc000b41380 pc=0x40b17c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc000000be0, {0x144f838, 0xc0013b3500}, 0xc008650900, {0xc000175600?, 0xc007ead8b0?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0x825 fp=0xc000b415d8 sp=0xc000b413a8 pc=0x7a0fe5
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc0005f0100?, {0x144f838, 0xc0013b3500}, 0xc0006a9320?, 0xc009c60c00?, 0xc000b41788)
	pkg/sentry/vfs/vfs.go:296 +0x18f fp=0xc000b41658 sp=0xc000b415d8 pc=0x7494cf
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc0013b3500, 0xa423e0?, 0xc007907330?, 0x9e6c7f88?, 0x0?, 0x1000)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x359 fp=0xc000b41848 sp=0xc000b41658 pc=0xa478b9
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc0013b3500?, {{0xffffffffffffff9c}, {0x20000000}, {0x4}, {0x20000100}, {0x1000}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x32 fp=0xc000b41888 sp=0xc000b41848 pc=0xa47532
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0013b3500, 0x109, {{0xffffffffffffff9c}, {0x20000000}, {0x4}, {0x20000100}, {0x1000}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc000b41c78 sp=0xc000b41888 pc=0x926ad5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0013b3500, 0xc00690ed08?, {{0xffffffffffffff9c}, {0x20000000}, {0x4}, {0x20000100}, {0x1000}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc000b41cd8 sp=0xc000b41c78 pc=0x927d0a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x2?, 0x0?, {{0xffffffffffffff9c}, {0x20000000}, {0x4}, {0x20000100}, {0x1000}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc000b41d38 sp=0xc000b41cd8 pc=0x9279e5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc007db35f0?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc000b41e30 sp=0xc000b41d38 pc=0x927750
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0075c0180?, 0xc0013b3500)
	pkg/sentry/kernel/task_run.go:259 +0xf3e fp=0xc000b41f60 sp=0xc000b41e30 pc=0x91b99e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0013b3500, 0x254d)
	pkg/sentry/kernel/task_run.go:94 +0x1bc fp=0xc000b41fc0 sp=0xc000b41f60 pc=0x91a41c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc000b41fe0 sp=0xc000b41fc0 pc=0x9252ca
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc000b41fe8 sp=0xc000b41fe0 pc=0x46c701
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0xef