fatal error: sync: unlock of unlocked mutex

goroutine 1397 [running]:
runtime.throw(0x1450ee5, 0x1e)
	GOROOT/src/runtime/panic.go:1117 +0x72 fp=0xc00034b728 sp=0xc00034b6f8 pc=0x438072
sync.throw(0x1450ee5, 0x1e)
	GOROOT/src/runtime/panic.go:1103 +0x35 fp=0xc00034b748 sp=0xc00034b728 pc=0x46cdb5
sync.(*Mutex).unlockSlow(0xc001113088, 0xffffffff)
	GOROOT/src/sync/mutex.go:196 +0xd8 fp=0xc00034b770 sp=0xc00034b748 pc=0x47c978
sync.(*Mutex).Unlock(...)
	GOROOT/src/sync/mutex.go:190
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Read(0xc0006f2400, 0x1607478, 0xc0009bca80, 0x1601980, 0xc0017a4000, 0x0, 0x1, 0x20003040, 0x2000, 0x100, ...)
	pkg/sentry/fsimpl/fuse/dev.go:171 +0x2e8 fp=0xc00034b848 sp=0xc00034b770 pc=0x1037b28
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Read(0xc0006f2400, 0x1607478, 0xc0009bca80, 0x1601980, 0xc0017a4000, 0x0, 0x1, 0x20003040, 0x2000, 0x100, ...)
	pkg/sentry/vfs/file_description.go:705 +0xf5 fp=0xc00034b8f8 sp=0xc00034b848 pc=0x7887d5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.read(0xc0009bca80, 0xc0006f2400, 0x1601980, 0xc0017a4000, 0x0, 0x1, 0x20003040, 0x2000, 0x100, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:108 +0xa5 fp=0xc00034ba88 sp=0xc00034b8f8 pc=0xf6d945
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Read(0xc0009bca80, 0x3, 0x20003040, 0x2000, 0x7fd1057c89d0, 0x0, 0x7fd1057c8700, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:71 +0x293 fp=0xc00034bbb8 sp=0xc00034ba88 pc=0xf6d153
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0009bca80, 0x0, 0x3, 0x20003040, 0x2000, 0x7fd1057c89d0, 0x0, 0x7fd1057c8700, 0x0, 0x14300e0, ...)
	pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc00034bc78 sp=0xc00034bbb8 pc=0xa84579
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0009bca80, 0x0, 0x3, 0x20003040, 0x2000, 0x7fd1057c89d0, 0x0, 0x7fd1057c8700, 0x0, 0x7fd1057c8700)
	pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc00034bd00 sp=0xc00034bc78 pc=0xa85850
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0009bca80, 0x0, 0x3, 0x20003040, 0x2000, 0x7fd1057c89d0, 0x0, 0x7fd1057c8700, 0xc000d608f0, 0x1618688)
	pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc00034bd60 sp=0xc00034bd00 pc=0xa85334
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0009bca80, 0x2, 0xc0009bca80)
	pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc00034be30 sp=0xc00034bd60 pc=0xa84c18
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0009bca80, 0x15d9a80, 0x0)
	pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc00034bf68 sp=0xc00034be30 pc=0xa77b3a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0009bca80, 0xfb)
	pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc00034bfd0 sp=0xc00034bf68 pc=0xa768f9
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00034bfd8 sp=0xc00034bfd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:398 +0x116