panic: Incrementing non-positive count 0x4000918ae8 on nsfs.Inode

goroutine 9072 gp=0x4000c10a80 m=20 mp=0x40004ea808 [running]:
panic({0xc88c00?, 0x4000357c80?})
	GOROOT/src/runtime/panic.go:802 +0x150 fp=0x4000c8f860 sp=0x4000c8f7b0 pc=0x8c610
gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*inodeRefs).IncRef(0x4000918ae8)
	bazel-out/aarch64-fastbuild/bin/pkg/sentry/fsimpl/nsfs/inode_refs.go:82 +0x100 fp=0x4000c8f8d0 sp=0x4000c8f860 pc=0x508750
gvisor.dev/gvisor/pkg/sentry/kernel.(*PIDNamespace).IncRef(...)
	pkg/sentry/kernel/threads.go:258
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).GetPIDNamespace(...)
	pkg/sentry/kernel/threads.go:577
gvisor.dev/gvisor/pkg/sentry/kernel.(*namespaceSet).initFromTask(0x4000c8f940, 0x8cdd0?, 0x4000905208, 0x20000000)
	pkg/sentry/kernel/task_clone.go:532 +0x94 fp=0x4000c8f900 sp=0x4000c8f8d0 pc=0x647984
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Setns(0x4000bc4008, 0x4000b00980, 0x20000000)
	pkg/sentry/kernel/task_clone.go:612 +0x19c fp=0x4000c8f9b0 sp=0x4000c8f900 pc=0x647fdc
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Setns(0x4000bc4008, 0x98b8a0?, {{0x3}, {0x20000000}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_thread.go:479 +0x88 fp=0x4000c8fa30 sp=0x4000c8f9b0 pc=0x7eb0d8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4000bc4008, 0x10c, {{0x3}, {0x20000000}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x4b4 fp=0x4000c8fc60 sp=0x4000c8fa30 pc=0x6607c4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4000bc4008, 0x10c, {{0x3}, {0x20000000}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x3c fp=0x4000c8fcc0 sp=0x4000c8fc60 pc=0x6615bc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x4000bc4008, 0x10c, {{0x3}, {0x20000000}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x58 fp=0x4000c8fd10 sp=0x4000c8fcc0 pc=0x6612e8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x4000a70680?)
	pkg/sentry/kernel/task_syscall.go:258 +0x234 fp=0x4000c8fdf0 sp=0x4000c8fd10 pc=0x6610a4
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4000c1d290?, 0x4000bc4008)
	pkg/sentry/kernel/task_run.go:258 +0xd04 fp=0x4000c8ff10 sp=0x4000c8fdf0 pc=0x657e94
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4000bc4008, 0x7a9)
	pkg/sentry/kernel/task_run.go:89 +0x1ac fp=0x4000c8ffb0 sp=0x4000c8ff10 pc=0x656c1c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x28 fp=0x4000c8ffd0 sp=0x4000c8ffb0 pc=0x65f478
runtime.goexit({})
	src/runtime/asm_arm64.s:1268 +0x4 fp=0x4000c8ffd0 sp=0x4000c8ffd0 pc=0x955f4
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 5865
	pkg/sentry/kernel/task_start.go:416 +0xc0