panic: Decrementing non-positive ref count 0xc000517058, owned by tmpfs.inode

goroutine 292 [running]:
panic({0xfe2ce0?, 0xc000568090?})
	GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc0004013e8 sp=0xc000401338 pc=0x43a72c
gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*inodeRefs).DecRef(0xc000517058, 0x0?)
	bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/inode_refs.go:126 +0x10c fp=0xc000401450 sp=0xc0004013e8 pc=0x89db6c
gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*inode).decRef(...)
	pkg/sentry/fsimpl/tmpfs/tmpfs.go:599
gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*dentry).DecRef(0x4127d2?, {0x1442c78?, 0xc00059ca80?})
	pkg/sentry/fsimpl/tmpfs/tmpfs.go:457 +0x56 fp=0xc000401490 sp=0xc000401450 pc=0x8a4736
gvisor.dev/gvisor/pkg/sentry/vfs.(*Dentry).DecRef(0x10f7400?, {0x1442c78?, 0xc00059ca80?})
	pkg/sentry/vfs/dentry.go:156 +0x26 fp=0xc0004014b8 sp=0xc000401490 pc=0x748fe6
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0xc00050a8d8, {0x1442c78, 0xc00059ca80})
	pkg/sentry/vfs/vfs.go:1030 +0x16e fp=0xc000401568 sp=0xc0004014b8 pc=0x7702ae
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy.func1()
	pkg/sentry/vfs/mount.go:826 +0x28 fp=0xc000401590 sp=0xc000401568 pc=0x75d4e8
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0xc0002473f0, {0x1442c78, 0xc00059ca80})
	pkg/sentry/vfs/mount.go:839 +0x1e2 fp=0xc000401630 sp=0xc000401590 pc=0x75d442
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0xc0002473f0, {0x1442c78, 0xc00059ca80})
	pkg/sentry/vfs/mount.go:820 +0x65 fp=0xc000401658 sp=0xc000401630 pc=0x75d225
gvisor.dev/gvisor/pkg/sentry/vfs.VirtualDentry.DecRef({0xc0002473f0?, 0xc00061f800?}, {0x1442c78, 0xc00059ca80})
	pkg/sentry/vfs/vfs.go:1086 +0x53 fp=0xc000401688 sp=0xc000401658 pc=0x7703f3
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).UmountAt.func1()
	pkg/sentry/vfs/mount.go:575 +0x2c fp=0xc0004016b8 sp=0xc000401688 pc=0x75c84c
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).UmountAt(0xc00050a8d8, {0x1442c78, 0xc00059ca80}, 0xc000683800?, 0xc0004c1100?, 0xc00040180c)
	pkg/sentry/vfs/mount.go:602 +0x30f fp=0xc000401780 sp=0xc0004016b8 pc=0x75c60f
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Umount2(0xc00059ca80, 0x0?, {{0x7fbfc0df1a00}, {0xa}, {0x0}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_mount.go:164 +0x2ab fp=0xc000401918 sp=0xc000401780 pc=0xad346b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00059ca80, 0xa6, {{0x7fbfc0df1a00}, {0xa}, {0x0}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x673 fp=0xc000401c58 sp=0xc000401918 pc=0x992c13
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00059ca80, 0xc00064c968?, {{0x7fbfc0df1a00}, {0xa}, {0x0}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x45 fp=0xc000401cb8 sp=0xc000401c58 pc=0x993d85
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000401cf8?, 0x126afd0?, {{0x7fbfc0df1a00}, {0xa}, {0x0}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x59 fp=0xc000401d18 sp=0xc000401cb8 pc=0x993a99
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000538270?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2d5 fp=0xc000401e10 sp=0xc000401d18 pc=0x993835
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000254100?, 0xc00059ca80)
	pkg/sentry/kernel/task_run.go:269 +0xfb7 fp=0xc000401f48 sp=0xc000401e10 pc=0x987b17
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00059ca80, 0x9)
	pkg/sentry/kernel/task_run.go:98 +0x1ef fp=0xc000401fc0 sp=0xc000401f48 pc=0x9864af
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:391 +0x25 fp=0xc000401fe0 sp=0xc000401fc0 pc=0x991525
runtime.goexit()
	src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000401fe8 sp=0xc000401fe0 pc=0x471241
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 39
	pkg/sentry/kernel/task_start.go:391 +0xe5