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

goroutine 4761274 [running]:
panic({0x31f200, 0xc005ed2210})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc0065fae90 sp=0xc0065fadd0 pc=0x124b25a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc00435f928?, 0x473de0, 0x36c4e0)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc0065faeb8 sp=0xc0065fae90 pc=0x121e73c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc0002fc500, {0x835198, 0xc00b2d8a80}, 0xc0018f0480, {0xc000275c00?, 0xc004fce690?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0xa4e fp=0xc0065fb118 sp=0xc0065faeb8 pc=0x182992e
gvisor.dev/gvisor/pkg/sentry/fsimpl/sys.(*filesystem).LinkAt(0xc0002fc500, {0x835198, 0xc00b2d8a80}, 0x1285265?, {0xc000275c00?, 0xc004fce690?})
	<autogenerated>:1 +0x8a fp=0xc0065fb180 sp=0xc0065fb118 pc=0x210c6ca
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc00b2d9320?, {0x835198, 0xc00b2d8a80}, 0xc00435f8c0?, 0xc007319400?, 0xc0065fb3f8)
	pkg/sentry/vfs/vfs.go:296 +0x31d fp=0xc0065fb230 sp=0xc0065fb180 pc=0x178e69d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc00b2d8a80, 0x1285265?, 0x1445752?, 0x1285237?, 0x101aab898?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x38c fp=0xc0065fb4a8 sp=0xc0065fb230 pc=0x1c93eec
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc00b2d8a80?, {{0xffffffffffffff9c}, {0x20000040}, {0x3}, {0x200000c0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x48 fp=0xc0065fb500 sp=0xc0065fb4a8 pc=0x1c93b08
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00b2d8a80, 0x109, {{0xffffffffffffff9c}, {0x20000040}, {0x3}, {0x200000c0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9b9 fp=0xc0065fb9e0 sp=0xc0065fb500 pc=0x1aac1b9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00b2d8a80, 0x0?, {{0xffffffffffffff9c}, {0x20000040}, {0x3}, {0x200000c0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d fp=0xc0065fba78 sp=0xc0065fb9e0 pc=0x1aadf9d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc008d53a00?, 0xc0091ef860?, {{0xffffffffffffff9c}, {0x20000040}, {0x3}, {0x200000c0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f fp=0xc0065fbaf0 sp=0xc0065fba78 pc=0x1aad94f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00b2d8a80)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c5 fp=0xc0065fbc18 sp=0xc0065fbaf0 pc=0x1aad4e5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00b2d8a80?, 0xc00b2d8a80)
	pkg/sentry/kernel/task_run.go:259 +0x1b76 fp=0xc0065fbec8 sp=0xc0065fbc18 pc=0x1a97fb6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00b2d8a80, 0x905b)
	pkg/sentry/kernel/task_run.go:94 +0x37b fp=0xc0065fbfb0 sp=0xc0065fbec8 pc=0x1a95a9b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc0065fbfe0 sp=0xc0065fbfb0 pc=0x1aa9ca8
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0065fbfe8 sp=0xc0065fbfe0 pc=0x12822e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x1ad