panic: runtime error: invalid memory address or nil pointer dereference
	panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x13ae8e8]

goroutine 519 gp=0xc00071da40 m=23 mp=0xc0007b2008 [running]:
panic({0x182ab40?, 0x28d11c0?})
	GOROOT/src/runtime/panic.go:811 +0x154 fp=0xc001060fa0 sp=0xc001060ef0 pc=0x47bae4
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:262
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:925 +0x300 fp=0xc001061000 sp=0xc001060fa0 pc=0x47e880
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).EventUnregister(0xc0009e8000, 0xc000986668)
	pkg/sentry/fsimpl/fuse/dev.go:160 +0x98 fp=0xc001061080 sp=0xc001061010 pc=0x13ae8e8
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).EventUnregister(...)
	pkg/sentry/vfs/file_description.go:619
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.releaseState(0xc000718c88, {0xc000986660, 0x1, 0x47babc?})
	pkg/sentry/syscalls/linux/sys_poll.go:94 +0xac fp=0xc0010610f0 sp=0xc001061080 pc=0xf84cac
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.pollBlock.deferwrap1()
	pkg/sentry/syscalls/linux/sys_poll.go:116 +0x5c fp=0xc001061140 sp=0xc0010610f0 pc=0xf856bc
panic({0x182ab40?, 0x28d11c0?})
	GOROOT/src/runtime/panic.go:792 +0x124 fp=0xc0010611f0 sp=0xc001061140 pc=0x47bab4
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:262
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:925 +0x300 fp=0xc001061250 sp=0xc0010611f0 pc=0x47e880
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).EventRegister(0xc0009e8000, 0xc000986668)
	pkg/sentry/fsimpl/fuse/dev.go:152 +0xa0 fp=0xc0010612f0 sp=0xc001061260 pc=0x13ae750
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).EventRegister(...)
	pkg/sentry/vfs/file_description.go:612
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.initReadiness(0xc000718c88, 0xc0006face8, 0xc000986660, 0xc000852310)
	pkg/sentry/syscalls/linux/sys_poll.go:80 +0x184 fp=0xc0010613d0 sp=0xc0010612f0 pc=0xf84554
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.pollBlock(0xc000718c88, {0xc0006face8, 0x1, 0x0?}, 0xffffffffffffffff)
	pkg/sentry/syscalls/linux/sys_poll.go:119 +0x1b0 fp=0xc001061520 sp=0xc0010613d0 pc=0xf852b0
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doPoll(0xc000718c88, 0x20004180, 0x1, 0xffffffffffffffff)
	pkg/sentry/syscalls/linux/sys_poll.go:194 +0xf4 fp=0xc0010615d0 sp=0xc001061520 pc=0xf85964
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Ppoll(0xc000718c88, 0x47cb80?, {{0x20004180}, {0x1}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_poll.go:459 +0xf4 fp=0xc0010616a0 sp=0xc0010615d0 pc=0xf87174
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000718c88, 0x49, {{0x20004180}, {0x1}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x690 fp=0xc001061950 sp=0xc0010616a0 pc=0xd6b320
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000718c88, 0x49, {{0x20004180}, {0x1}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x50 fp=0xc001061a00 sp=0xc001061950 pc=0xd6c9e0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000718c88, 0x49, {{0x20004180}, {0x1}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x78 fp=0xc001061a70 sp=0xc001061a00 pc=0xd6c528
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000718c88)
	pkg/sentry/kernel/task_syscall.go:258 +0x3c0 fp=0xc001061ba0 sp=0xc001061a70 pc=0xd6c1c0
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000718c88?, 0xc000718c88)
	pkg/sentry/kernel/task_run.go:269 +0x1568 fp=0xc001061e50 sp=0xc001061ba0 pc=0xd5cf38
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000718c88, 0x40)
	pkg/sentry/kernel/task_run.go:97 +0x394 fp=0xc001061fa0 sp=0xc001061e50 pc=0xd5b184
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x44 fp=0xc001061fd0 sp=0xc001061fa0 pc=0xd697f4
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0xc001061fd0 sp=0xc001061fd0 pc=0x484e24
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 415
	pkg/sentry/kernel/task_start.go:416 +0x13c