fatal error: sync: unlock of unlocked mutex

goroutine 98827 [running]:
runtime.throw(0x1339b01, 0x1e)
	GOROOT/src/runtime/panic.go:1117 +0x72 fp=0xc03c021680 sp=0xc03c021650 pc=0x438072
sync.throw(0x1339b01, 0x1e)
	GOROOT/src/runtime/panic.go:1103 +0x35 fp=0xc03c0216a0 sp=0xc03c021680 pc=0x46cdb5
sync.(*Mutex).unlockSlow(0xc03f5692c8, 0xffffffff)
	GOROOT/src/sync/mutex.go:196 +0xd8 fp=0xc03c0216c8 sp=0xc03c0216a0 pc=0x47c978
sync.(*Mutex).Unlock(...)
	GOROOT/src/sync/mutex.go:190
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Read(0xc03e26eb00, 0x14c1ad8, 0xc03f6a9500, 0x14bbe40, 0xc03e103000, 0x0, 0x1, 0x20006b80, 0x2020, 0x100, ...)
	pkg/sentry/fsimpl/fuse/dev.go:154 +0x252 fp=0xc03c0217a0 sp=0xc03c0216c8 pc=0xf2bc32
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Read(0xc03e26eb00, 0x14c1ad8, 0xc03f6a9500, 0x14bbe40, 0xc03e103000, 0x0, 0x1, 0x20006b80, 0x2020, 0x100, ...)
	pkg/sentry/vfs/file_description.go:626 +0xdb fp=0xc03c021850 sp=0xc03c0217a0 pc=0x7568bb
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.read(0xc03f6a9500, 0xc03e26eb00, 0x14bbe40, 0xc03e103000, 0x0, 0x1, 0x20006b80, 0x2020, 0x100, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:94 +0x9b fp=0xc03c0219e0 sp=0xc03c021850 pc=0xe6e11b
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Read(0xc03f6a9500, 0x3, 0x20006b80, 0x2020, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:63 +0x245 fp=0xc03c021b10 sp=0xc03c0219e0 pc=0xe6da05
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc03f6a9500, 0x0, 0x3, 0x20006b80, 0x2020, 0x0, 0x0, 0x0, 0x0, 0x1318d60, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc03c021c70 sp=0xc03c021b10 pc=0x9f171c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc03f6a9500, 0x0, 0x3, 0x20006b80, 0x2020, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc03c021cf8 sp=0xc03c021c70 pc=0x9f28c6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc03f6a9500, 0x0, 0x3, 0x20006b80, 0x2020, 0x0, 0x0, 0x0, 0x14d2ce8, 0xc034ab7440)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc03c021d58 sp=0xc03c021cf8 pc=0x9f24b8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc03f6a9500, 0x2, 0xc03f6a9500)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc03c021e28 sp=0xc03c021d58 pc=0x9f1e5c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc03f6a9500, 0x1493ca0, 0x0)
	pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc03c021f68 sp=0xc03c021e28 pc=0x9e6b87
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc03f6a9500, 0xbe1)
	pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc03c021fd0 sp=0xc03c021f68 pc=0x9e5ac2
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc03c021fd8 sp=0xc03c021fd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:339 +0xfe