panic: Decrementing non-positive ref count 0x400061e9c0, owned by vfs.Filesystem

goroutine 150 [running]:
panic({0xc34ea0?, 0x40008163c0?})
	GOROOT/src/runtime/panic.go:1017 +0x3cc fp=0x4000957a40 sp=0x4000957990 pc=0x49cec
gvisor.dev/gvisor/pkg/sentry/vfs.(*FilesystemRefs).DecRef(0x400061e9c0, 0x40009a2b20?)
	bazel-out/aarch64-fastbuild/bin/pkg/sentry/vfs/filesystem_refs.go:126 +0x174 fp=0x4000957ab0 sp=0x4000957a40 pc=0x3788a4
gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef(0x4000957b38?, {0x10d4808?, 0x4000778000?})
	pkg/sentry/vfs/filesystem.go:77 +0x58 fp=0x4000957af0 sp=0x4000957ab0 pc=0x377e58
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0x40001d2c78, {0x10d4808, 0x4000778000})
	pkg/sentry/vfs/vfs.go:1030 +0x194 fp=0x4000957ba0 sp=0x4000957af0 pc=0x394aa4
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy.func1()
	pkg/sentry/vfs/mount.go:826 +0x30 fp=0x4000957bd0 sp=0x4000957ba0 pc=0x3811f0
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0x400092c000, {0x10d4808, 0x4000778000})
	pkg/sentry/vfs/mount.go:839 +0x27c fp=0x4000957c70 sp=0x4000957bd0 pc=0x38113c
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0x400092c000, {0x10d4808, 0x4000778000})
	pkg/sentry/vfs/mount.go:820 +0xbc fp=0x4000957ca0 sp=0x4000957c70 pc=0x380e8c
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0x40001d2c78, {0x10d4808, 0x4000778000})
	pkg/sentry/vfs/vfs.go:1030 +0x194 fp=0x4000957d50 sp=0x4000957ca0 pc=0x394aa4
gvisor.dev/gvisor/pkg/sentry/vfs.(*MountNamespace).Destroy(0x4000790030, {0x10d4808, 0x4000778000})
	pkg/sentry/vfs/namespace.go:201 +0x90 fp=0x4000957d90 sp=0x4000957d50 pc=0x387d80
gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*Inode).DecRef.func1()
	pkg/sentry/fsimpl/nsfs/nsfs.go:96 +0x40 fp=0x4000957dc0 sp=0x4000957d90 pc=0x42a500
gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*inodeRefs).DecRef(0x0?, 0x4000957e48)
	bazel-out/aarch64-fastbuild/bin/pkg/sentry/fsimpl/nsfs/inode_refs.go:132 +0xa0 fp=0x4000957e30 sp=0x4000957dc0 pc=0x429fc0
gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*Inode).DecRef(0x4000778000?, {0x10d4808?, 0x4000778000?})
	pkg/sentry/fsimpl/nsfs/nsfs.go:96 +0x60 fp=0x4000957e70 sp=0x4000957e30 pc=0x42a490
gvisor.dev/gvisor/pkg/sentry/vfs.(*MountNamespace).DecRef(...)
	pkg/sentry/vfs/namespace.go:216
gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0x4000778000, 0x4000778000)
	pkg/sentry/kernel/task_exit.go:297 +0x4b4 fp=0x4000957f20 sp=0x4000957e70 pc=0x5cd024
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4000778000, 0x10)
	pkg/sentry/kernel/task_run.go:98 +0x260 fp=0x4000957fb0 sp=0x4000957f20 pc=0x5d8fb0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:391 +0x2c fp=0x4000957fd0 sp=0x4000957fb0 pc=0x5e523c
runtime.goexit()
	src/runtime/asm_arm64.s:1197 +0x4 fp=0x4000957fd0 sp=0x4000957fd0 pc=0x81834
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 183
	pkg/sentry/kernel/task_start.go:391 +0xf8