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

goroutine 2544155 [running]:
panic({0x10d0b60, 0xc0082a6300})
	GOROOT/src/runtime/panic.go:987 +0x3bb fp=0xc002c11350 sp=0xc002c11290 pc=0x436c1b
runtime.panicdottypeE(...)
	GOROOT/src/runtime/iface.go:262
runtime.panicdottypeI(0x7f04552de440?, 0x1222920, 0x111d880)
	GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc002c11378 sp=0xc002c11350 pc=0x40b45c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc0004fc000, {0x1496f38, 0xc007529500}, 0xc0001c4d80, {0xc000425380?, 0xc006cd8140?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0x84a fp=0xc002c115a0 sp=0xc002c11378 pc=0x7ad50a
gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*filesystem).LinkAt(0xc00016c1d0?, {0x1496f38?, 0xc007529500?}, 0xc007529500?, {0xc000425380?, 0xc006cd8140?})
	<autogenerated>:1 +0x38 fp=0xc002c115e0 sp=0xc002c115a0 pc=0xb470f8
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc000322100?, {0x1496f38, 0xc007529500}, 0xc006a22120?, 0xc000c13d00?, 0xc002c11790)
	pkg/sentry/vfs/vfs.go:296 +0x18f fp=0xc002c11660 sp=0xc002c115e0 pc=0x754f0f
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc007529500, 0xa6b1e0?, 0xc003f03840?, 0x84d1df88?, 0x0?, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:1029 +0x371 fp=0xc002c11850 sp=0xc002c11660 pc=0xa706f1
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc007529500?, {{0xffffffffffffff9c}, {0x20000340}, {0x5}, {0x20000440}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:998 +0x32 fp=0xc002c11890 sp=0xc002c11850 pc=0xa70352
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc007529500, 0x109, {{0xffffffffffffff9c}, {0x20000340}, {0x5}, {0x20000440}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc002c11c80 sp=0xc002c11890 pc=0x9404f5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc007529500, 0x85?, {{0xffffffffffffff9c}, {0x20000340}, {0x5}, {0x20000440}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc002c11ce0 sp=0xc002c11c80 pc=0x94172a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x415ef0?, 0x861c4747?, {{0xffffffffffffff9c}, {0x20000340}, {0x5}, {0x20000440}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc002c11d40 sp=0xc002c11ce0 pc=0x941405
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0076e6270?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc002c11e38 sp=0xc002c11d40 pc=0x941170
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000f8c100?, 0xc007529500)
	pkg/sentry/kernel/task_run.go:259 +0xf0c fp=0xc002c11f60 sp=0xc002c11e38 pc=0x9353cc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc007529500, 0xf173)
	pkg/sentry/kernel/task_run.go:94 +0x1b8 fp=0xc002c11fc0 sp=0xc002c11f60 pc=0x933e98
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc002c11fe0 sp=0xc002c11fc0 pc=0x93ecea
runtime.goexit()
	src/runtime/asm_amd64.s:1598 +0x1 fp=0xc002c11fe8 sp=0xc002c11fe0 pc=0x46d5e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0xef