panic: Decrementing non-positive ref count 0xc00038ca20, owned by vfs.Filesystem

goroutine 258 [running]:
panic({0x298360?, 0xc000996e90?})
	GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc0004cd798 sp=0xc0004cd6e8 pc=0x12bcd6c
gvisor.dev/gvisor/pkg/sentry/vfs.(*FilesystemRefs).DecRef(0xc00038ca20, 0xc0004cd810)
	bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/filesystem_refs.go:126 +0x12c fp=0xc0004cd800 sp=0xc0004cd798 pc=0x18422cc
gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef(0xc00038ca20, {0x7efef8, 0xc00077a000})
	pkg/sentry/vfs/filesystem.go:77 +0x69 fp=0xc0004cd840 sp=0xc0004cd800 pc=0x18418e9
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0xc0002101d8, {0x7efef8, 0xc00077a000})
	pkg/sentry/vfs/vfs.go:1030 +0x1e9 fp=0xc0004cd918 sp=0xc0004cd840 pc=0x186bb29
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy.func1()
	pkg/sentry/vfs/mount.go:826 +0x50 fp=0xc0004cd958 sp=0xc0004cd918 pc=0x184e870
runtime.deferreturn()
	GOROOT/src/runtime/panic.go:477 +0x31 fp=0xc0004cd990 sp=0xc0004cd958 pc=0x12bbeb1
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0xc00021edc0, {0x7efef8, 0xc00077a000})
	pkg/sentry/vfs/mount.go:839 +0x4ad fp=0xc0004cdac8 sp=0xc0004cd990 pc=0x184e78d
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0xc00021edc0, {0x7efef8, 0xc00077a000})
	pkg/sentry/vfs/mount.go:820 +0x79 fp=0xc0004cdaf0 sp=0xc0004cdac8 pc=0x184e299
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0xc0002101d8, {0x7efef8, 0xc00077a000})
	pkg/sentry/vfs/vfs.go:1030 +0x1e9 fp=0xc0004cdbc8 sp=0xc0004cdaf0 pc=0x186bb29
gvisor.dev/gvisor/pkg/sentry/vfs.(*MountNamespace).Destroy(0xc0001f59b0, {0x7efef8, 0xc00077a000})
	pkg/sentry/vfs/namespace.go:201 +0xf1 fp=0xc0004cdc18 sp=0xc0004cdbc8 pc=0x18578f1
gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*Inode).DecRef.func1()
	pkg/sentry/fsimpl/nsfs/nsfs.go:96 +0x6f fp=0xc0004cdc58 sp=0xc0004cdc18 pc=0x1944e0f
gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*inodeRefs).DecRef(0xc0004a0060, 0xc0004cdcd0)
	bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/fsimpl/nsfs/inode_refs.go:132 +0x56 fp=0xc0004cdcc0 sp=0xc0004cdc58 pc=0x19448d6
gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*Inode).DecRef(0xc0004a0000, {0x7efef8, 0xc00077a000})
	pkg/sentry/fsimpl/nsfs/nsfs.go:96 +0x70 fp=0xc0004cdd00 sp=0xc0004cdcc0 pc=0x1944d50
gvisor.dev/gvisor/pkg/sentry/vfs.(*MountNamespace).DecRef(...)
	pkg/sentry/vfs/namespace.go:216
gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0xc00077a000, 0xc00077a000)
	pkg/sentry/kernel/task_exit.go:297 +0xa5e fp=0xc0004cde70 sp=0xc0004cdd00 pc=0x1be081e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00077a000, 0x2)
	pkg/sentry/kernel/task_run.go:98 +0x43b fp=0xc0004cdfb0 sp=0xc0004cde70 pc=0x1bf301b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:391 +0x45 fp=0xc0004cdfe0 sp=0xc0004cdfb0 pc=0x1c078a5
runtime.goexit()
	src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004cdfe8 sp=0xc0004cdfe0 pc=0x12f5d81
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 120
	pkg/sentry/kernel/task_start.go:391 +0x1ae