panic: Decrementing non-positive ref count 0xc00056e820, owned by vfs.Filesystem

goroutine 282 [running]:
panic({0x10f2ce0?, 0xc000a1e220?})
	GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc00112ba38 sp=0xc00112b988 pc=0x43a72c
gvisor.dev/gvisor/pkg/sentry/vfs.(*FilesystemRefs).DecRef(0xc00056e820, 0xc000a8e410?)
	bazel-out/k8-fastbuild/bin/pkg/sentry/vfs/filesystem_refs.go:126 +0x154 fp=0xc00112baa0 sp=0xc00112ba38 pc=0x791474
gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef(0x1207460?, {0x1580618?, 0xc0006d8a80?})
	pkg/sentry/vfs/filesystem.go:77 +0x55 fp=0xc00112bae0 sp=0xc00112baa0 pc=0x790a55
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0xc0002496d8, {0x1580618, 0xc0006d8a80})
	pkg/sentry/vfs/vfs.go:1030 +0x1df fp=0xc00112bb90 sp=0xc00112bae0 pc=0x7afedf
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy.func1()
	pkg/sentry/vfs/mount.go:826 +0x28 fp=0xc00112bbb8 sp=0xc00112bb90 pc=0x79a8e8
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0xc0005d2000, {0x1580618, 0xc0006d8a80})
	pkg/sentry/vfs/mount.go:839 +0x282 fp=0xc00112bc58 sp=0xc00112bbb8 pc=0x79a842
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0xc0005d2000, {0x1580618, 0xc0006d8a80})
	pkg/sentry/vfs/mount.go:820 +0xa5 fp=0xc00112bc80 sp=0xc00112bc58 pc=0x79a585
gvisor.dev/gvisor/pkg/sentry/vfs.VirtualDentry.DecRef({0xc0005d2000?, 0xc000314400?}, {0x1580618, 0xc0006d8a80})
	pkg/sentry/vfs/vfs.go:1086 +0x67 fp=0xc00112bcb0 sp=0xc00112bc80 pc=0x7b0047
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualDentry).DecRef(0xc00112bd20?, {0x1580618?, 0xc0006d8a80?})
	<autogenerated>:1 +0x3e fp=0xc00112bce0 sp=0xc00112bcb0 pc=0x7bf8be
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0xc0002496d8, {0x1580618, 0xc0006d8a80})
	pkg/sentry/vfs/vfs.go:1030 +0x1df fp=0xc00112bd90 sp=0xc00112bce0 pc=0x7afedf
gvisor.dev/gvisor/pkg/sentry/vfs.(*MountNamespace).Destroy(0xc0008b0cf0, {0x1580618, 0xc0006d8a80})
	pkg/sentry/vfs/namespace.go:201 +0x99 fp=0xc00112bdc8 sp=0xc00112bd90 pc=0x7a1d99
gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*Inode).DecRef.func1()
	pkg/sentry/fsimpl/nsfs/nsfs.go:96 +0x38 fp=0xc00112bdf0 sp=0xc00112bdc8 pc=0x8486b8
gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*inodeRefs).DecRef(0x0?, 0xc00112be68)
	bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/nsfs/inode_refs.go:132 +0x75 fp=0xc00112be58 sp=0xc00112bdf0 pc=0x8481d5
gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*Inode).DecRef(0xc0006d8a80?, {0x1580618?, 0xc0006d8a80?})
	pkg/sentry/fsimpl/nsfs/nsfs.go:96 +0x5c fp=0xc00112be98 sp=0xc00112be58 pc=0x84863c
gvisor.dev/gvisor/pkg/sentry/vfs.(*MountNamespace).DecRef(...)
	pkg/sentry/vfs/namespace.go:216
gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0x0, 0xc0006d8a80)
	pkg/sentry/kernel/task_exit.go:297 +0x56b fp=0xc00112bf48 sp=0xc00112be98 pc=0xa074eb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0006d8a80, 0x13)
	pkg/sentry/kernel/task_run.go:98 +0x262 fp=0xc00112bfc0 sp=0xc00112bf48 pc=0xa13e62
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:391 +0x25 fp=0xc00112bfe0 sp=0xc00112bfc0 pc=0xa20e85
runtime.goexit()
	src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00112bfe8 sp=0xc00112bfe0 pc=0x471241
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 267
	pkg/sentry/kernel/task_start.go:391 +0xf8