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

goroutine 1081088 [running]:
panic({0x31ee40, 0xc0052ef6b0})
	GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc001ad0e90 sp=0xc001ad0dd0 pc=0x1249dfa
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0xc000800458?, 0x4739e0, 0x36c120)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc001ad0eb8 sp=0xc001ad0e90 pc=0x121d2dc
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc0002f81e0, {0x834938, 0xc00482b500}, 0xc0095ea900, {0xc0001d6480?, 0xc006b6f950?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0xa4e fp=0xc001ad1118 sp=0xc001ad0eb8 pc=0x18284ae
gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*filesystem).LinkAt(0xc0002f81e0, {0x834938, 0xc00482b500}, 0x81b440?, {0xc0001d6480?, 0xc006b6f950?})
	<autogenerated>:1 +0x8a fp=0xc001ad1180 sp=0xc001ad1118 pc=0x1dc4c8a
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc00482bda0?, {0x834938, 0xc00482b500}, 0xc000313600?, 0xc0069b0701?, 0xc001ad13f8)
	pkg/sentry/vfs/vfs.go:296 +0x31d fp=0xc001ad1230 sp=0xc001ad1180 pc=0x178d21d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc00482b500, 0x1283e05?, 0x14442f2?, 0x1283dd7?, 0x101aa9f78?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x38c fp=0xc001ad14a8 sp=0xc001ad1230 pc=0x1c918cc
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc000316d30?, {{0x3}, {0x20000000}, {0x4}, {0x20000040}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x48 fp=0xc001ad1500 sp=0xc001ad14a8 pc=0x1c914e8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00482b500, 0x109, {{0x3}, {0x20000000}, {0x4}, {0x20000040}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9b9 fp=0xc001ad19e0 sp=0xc001ad1500 pc=0x1aaa899
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00482b500, 0x0?, {{0x3}, {0x20000000}, {0x4}, {0x20000040}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d fp=0xc001ad1a78 sp=0xc001ad19e0 pc=0x1aac67d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc005030680?, 0xc005b734a0?, {{0x3}, {0x20000000}, {0x4}, {0x20000040}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f fp=0xc001ad1af0 sp=0xc001ad1a78 pc=0x1aac02f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00482b500)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c5 fp=0xc001ad1c18 sp=0xc001ad1af0 pc=0x1aabbc5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00482b500?, 0xc00482b500)
	pkg/sentry/kernel/task_run.go:259 +0x1b76 fp=0xc001ad1ec8 sp=0xc001ad1c18 pc=0x1a96696
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00482b500, 0xa6a0)
	pkg/sentry/kernel/task_run.go:94 +0x37b fp=0xc001ad1fb0 sp=0xc001ad1ec8 pc=0x1a9417b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc001ad1fe0 sp=0xc001ad1fb0 pc=0x1aa8388
runtime.goexit()
	src/runtime/asm_amd64.s:1594 +0x1 fp=0xc001ad1fe8 sp=0xc001ad1fe0 pc=0x1280e81
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x1ad