panic: kernfs.Dentry.DecRef() called without holding a reference

goroutine 114529 [running]:
panic(0x10cb560, 0x14321a8)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc002d41ce8 sp=0xc002d41c20 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).DecRef(0xc000433050, 0x1476ce0, 0xc006f24a80)
	pkg/sentry/fsimpl/kernfs/kernfs.go:283 +0xb2 fp=0xc002d41d10 sp=0xc002d41ce8 pc=0x852d52
gvisor.dev/gvisor/pkg/sentry/vfs.(*Dentry).DecRef(...)
	pkg/sentry/vfs/dentry.go:157
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0xc000a17020, 0x1476ce0, 0xc006f24a80)
	pkg/sentry/vfs/mount.go:526 +0xce fp=0xc002d41d60 sp=0xc002d41d10 pc=0x752e2e
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0xc000a17020, 0x1476ce0, 0xc006f24a80)
	pkg/sentry/vfs/mount.go:512 +0x7d fp=0xc002d41d88 sp=0xc002d41d60 pc=0x752d3d
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).Destroy(0xc0001493c8, 0x1476ce0, 0xc006f24a80)
	pkg/sentry/fsimpl/mqfs/registry.go:133 +0x6b fp=0xc002d41db0 sp=0xc002d41d88 pc=0x86e76b
gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).Destroy(0xc000138420, 0x1476ce0, 0xc006f24a80)
	pkg/sentry/kernel/mq/mq.go:245 +0x8d fp=0xc002d41df8 sp=0xc002d41db0 pc=0x86982d
gvisor.dev/gvisor/pkg/sentry/kernel.(*IPCNamespace).DecRef.func1()
	pkg/sentry/kernel/ipc_namespace.go:106 +0x85 fp=0xc002d41e38 sp=0xc002d41df8 pc=0x9f42c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*IPCNamespaceRefs).DecRef(0xc00089ee10, 0xc002d41ec0)
	bazel-out/k8-fastbuild-ST-4c64f0b3d5c7/bin/pkg/sentry/kernel/ipc_namespace_refs.go:131 +0x5a fp=0xc002d41eb0 sp=0xc002d41e38 pc=0x99e6fa
gvisor.dev/gvisor/pkg/sentry/kernel.(*IPCNamespace).DecRef(0xc00089ee10, 0x1476ce0, 0xc006f24a80)
	pkg/sentry/kernel/ipc_namespace.go:103 +0x69 fp=0xc002d41ef0 sp=0xc002d41eb0 pc=0x99e0a9
gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0x0, 0xc006f24a80, 0x144a940, 0x0)
	pkg/sentry/kernel/task_exit.go:259 +0x1ea fp=0xc002d41f60 sp=0xc002d41ef0 pc=0x9c31ea
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc006f24a80, 0x7b0)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc002d41fd0 sp=0xc002d41f60 pc=0x9cbd2f
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc002d41fd8 sp=0xc002d41fd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:327 +0xfe