panic: Decrementing non-positive ref count 0xc0003cf858, owned by tmpfs.inode

goroutine 138 [running]:
panic({0xfe2ce0?, 0xc0004541d0?})
	GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc0008873e8 sp=0xc000887338 pc=0x43a72c
gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*inodeRefs).DecRef(0xc0003cf858, 0x0?)
	bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/inode_refs.go:126 +0x10c fp=0xc000887450 sp=0xc0008873e8 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?, 0xc0008b8000?})
	pkg/sentry/fsimpl/tmpfs/tmpfs.go:457 +0x56 fp=0xc000887490 sp=0xc000887450 pc=0x8a4736
gvisor.dev/gvisor/pkg/sentry/vfs.(*Dentry).DecRef(0x10f7400?, {0x1442c78?, 0xc0008b8000?})
	pkg/sentry/vfs/dentry.go:156 +0x26 fp=0xc0008874b8 sp=0xc000887490 pc=0x748fe6
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0xc000388558, {0x1442c78, 0xc0008b8000})
	pkg/sentry/vfs/vfs.go:1030 +0x16e fp=0xc000887568 sp=0xc0008874b8 pc=0x7702ae
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy.func1()
	pkg/sentry/vfs/mount.go:826 +0x28 fp=0xc000887590 sp=0xc000887568 pc=0x75d4e8
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0xc00017e2c0, {0x1442c78, 0xc0008b8000})
	pkg/sentry/vfs/mount.go:839 +0x1e2 fp=0xc000887630 sp=0xc000887590 pc=0x75d442
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0xc00017e2c0, {0x1442c78, 0xc0008b8000})
	pkg/sentry/vfs/mount.go:820 +0x65 fp=0xc000887658 sp=0xc000887630 pc=0x75d225
gvisor.dev/gvisor/pkg/sentry/vfs.VirtualDentry.DecRef({0xc00017e2c0?, 0xc000b02000?}, {0x1442c78, 0xc0008b8000})
	pkg/sentry/vfs/vfs.go:1086 +0x53 fp=0xc000887688 sp=0xc000887658 pc=0x7703f3
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).UmountAt.func1()
	pkg/sentry/vfs/mount.go:575 +0x2c fp=0xc0008876b8 sp=0xc000887688 pc=0x75c84c
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).UmountAt(0xc000388558, {0x1442c78, 0xc0008b8000}, 0xc00072ac00?, 0xc000b00700?, 0xc00088780c)
	pkg/sentry/vfs/mount.go:602 +0x30f fp=0xc000887780 sp=0xc0008876b8 pc=0x75c60f
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Umount2(0xc0008b8000, 0x0?, {{0x7ffaed73c9c0}, {0xa}, {0x0}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_mount.go:164 +0x2ab fp=0xc000887918 sp=0xc000887780 pc=0xad346b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0008b8000, 0xa6, {{0x7ffaed73c9c0}, {0xa}, {0x0}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x673 fp=0xc000887c58 sp=0xc000887918 pc=0x992c13
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0008b8000, 0xc0003eec08?, {{0x7ffaed73c9c0}, {0xa}, {0x0}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x45 fp=0xc000887cb8 sp=0xc000887c58 pc=0x993d85
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000887cf8?, 0x126afd0?, {{0x7ffaed73c9c0}, {0xa}, {0x0}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x59 fp=0xc000887d18 sp=0xc000887cb8 pc=0x993a99
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0003ff860?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2d5 fp=0xc000887e10 sp=0xc000887d18 pc=0x993835
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000460000?, 0xc0008b8000)
	pkg/sentry/kernel/task_run.go:269 +0xfb7 fp=0xc000887f48 sp=0xc000887e10 pc=0x987b17
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0008b8000, 0xe)
	pkg/sentry/kernel/task_run.go:98 +0x1ef fp=0xc000887fc0 sp=0xc000887f48 pc=0x9864af
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:391 +0x25 fp=0xc000887fe0 sp=0xc000887fc0 pc=0x991525
runtime.goexit()
	src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000887fe8 sp=0xc000887fe0 pc=0x471241
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 198
	pkg/sentry/kernel/task_start.go:391 +0xe5