fatal error: sync: unlock of unlocked mutex

goroutine 1533784 [running]:
runtime.throw(0x133997c, 0x1e)
	GOROOT/src/runtime/panic.go:1117 +0x72 fp=0xc003e39680 sp=0xc003e39650 pc=0x438072
sync.throw(0x133997c, 0x1e)
	GOROOT/src/runtime/panic.go:1103 +0x35 fp=0xc003e396a0 sp=0xc003e39680 pc=0x46cdb5
sync.(*Mutex).unlockSlow(0xc001cc2668, 0xffffffff)
	GOROOT/src/sync/mutex.go:196 +0xd8 fp=0xc003e396c8 sp=0xc003e396a0 pc=0x47c978
sync.(*Mutex).Unlock(...)
	GOROOT/src/sync/mutex.go:190
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Read(0xc09ba2ac00, 0x14c1898, 0xc096389500, 0x14bbc00, 0xc0968cb000, 0x0, 0x1, 0x20003040, 0x2000, 0x100, ...)
	pkg/sentry/fsimpl/fuse/dev.go:154 +0x252 fp=0xc003e397a0 sp=0xc003e396c8 pc=0xf2b9b2
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Read(0xc09ba2ac00, 0x14c1898, 0xc096389500, 0x14bbc00, 0xc0968cb000, 0x0, 0x1, 0x20003040, 0x2000, 0x100, ...)
	pkg/sentry/vfs/file_description.go:626 +0xdb fp=0xc003e39850 sp=0xc003e397a0 pc=0x7568bb
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.read(0xc096389500, 0xc09ba2ac00, 0x14bbc00, 0xc0968cb000, 0x0, 0x1, 0x20003040, 0x2000, 0x100, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:94 +0x9b fp=0xc003e399e0 sp=0xc003e39850 pc=0xe6df1b
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Read(0xc096389500, 0x3, 0x20003040, 0x2000, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:63 +0x245 fp=0xc003e39b10 sp=0xc003e399e0 pc=0xe6d805
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc096389500, 0x0, 0x3, 0x20003040, 0x2000, 0x3, 0x0, 0x0, 0xc000001fa0, 0x1318be0, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc003e39c70 sp=0xc003e39b10 pc=0x9f169c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc096389500, 0x0, 0x3, 0x20003040, 0x2000, 0x3, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc003e39cf8 sp=0xc003e39c70 pc=0x9f2846
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc096389500, 0x0, 0x3, 0x20003040, 0x2000, 0x3, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc003e39d58 sp=0xc003e39cf8 pc=0x9f2438
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc096389500, 0x2, 0xc096389500)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc003e39e28 sp=0xc003e39d58 pc=0x9f1ddc
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc096389500, 0x1493a80, 0x0)
	pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc003e39f68 sp=0xc003e39e28 pc=0x9e6b67
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc096389500, 0x916b)
	pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc003e39fd0 sp=0xc003e39f68 pc=0x9e5aa2
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc003e39fd8 sp=0xc003e39fd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:342 +0xfe