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

goroutine 844200 [running]:
panic({0x1161fc0, 0xc024af3fb0})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc005cc7428 sp=0xc005cc7368 pc=0x43763a
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0x40?, 0x12b0a20, 0x11ae600)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc005cc7450 sp=0xc005cc7428 pc=0x40b17c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc0006d8dc0, {0x1575998, 0xc02541aa80}, 0xc00d160000, {0xc00055b880?, 0xc024503180?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0x9ea fp=0xc005cc7688 sp=0xc005cc7450 pc=0x7e994a
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc000546500?, {0x1575998, 0xc02541aa80}, 0xc000d021b0?, 0xc02527de00?, 0xc005cc7840)
	pkg/sentry/vfs/vfs.go:296 +0x203 fp=0xc005cc7708 sp=0xc005cc7688 pc=0x77e9e3
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc02541aa80, 0xaf1320?, 0xc025506130?, 0xdfc52f88?, 0x0?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x3d5 fp=0xc005cc7900 sp=0xc005cc7708 pc=0xaf76d5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc02541aa80?, {{0xffffffffffffff9c}, {0x20000140}, {0x3}, {0x20000180}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x6e fp=0xc005cc7940 sp=0xc005cc7900 pc=0xaf72ce
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc02541aa80, 0x109, {{0xffffffffffffff9c}, {0x20000140}, {0x3}, {0x20000180}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc005cc7c80 sp=0xc005cc7940 pc=0x9ac88b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc02541aa80, 0x85?, {{0xffffffffffffff9c}, {0x20000140}, {0x3}, {0x20000180}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc005cc7ce0 sp=0xc005cc7c80 pc=0x9ade74
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc005cc7d88?, 0x964aa6?, {{0xffffffffffffff9c}, {0x20000140}, {0x3}, {0x20000180}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc005cc7d40 sp=0xc005cc7ce0 pc=0x9ada65
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc02540c9c0?)
	pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc005cc7e38 sp=0xc005cc7d40 pc=0x9ad72c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc024535480?, 0xc02541aa80)
	pkg/sentry/kernel/task_run.go:259 +0x12ff fp=0xc005cc7f60 sp=0xc005cc7e38 pc=0x99f3bf
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc02541aa80, 0x18cc)
	pkg/sentry/kernel/task_run.go:94 +0x21c fp=0xc005cc7fc0 sp=0xc005cc7f60 pc=0x99da1c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc005cc7fe0 sp=0xc005cc7fc0 pc=0x9aad0a
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc005cc7fe8 sp=0xc005cc7fe0 pc=0x46c521
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x105