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=0xa63f2c]

goroutine 432 gp=0x40009421c0 m=11 mp=0x400011b808 [running]:
panic({0xd0fc20?, 0x1ca0d70?})
	GOROOT/src/runtime/panic.go:811 +0x154 fp=0x4000e53500 sp=0x4000e53450 pc=0x87504
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:262
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:925 +0x300 fp=0x4000e53560 sp=0x4000e53500 pc=0x89fe0
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).EventUnregister(0x4000e535f8?, 0x4e3bc?)
	pkg/sentry/fsimpl/fuse/dev.go:160 +0xbc fp=0x4000e535b0 sp=0x4000e53570 pc=0xa63f2c
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).EventUnregister(...)
	pkg/sentry/vfs/file_description.go:619
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.releaseState(0x40009ce008, {0x40010823f0, 0x1, 0x40009421c0?})
	pkg/sentry/syscalls/linux/sys_poll.go:94 +0x64 fp=0x4000e53600 sp=0x4000e535b0 pc=0x7aae64
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.pollBlock.deferwrap1()
	pkg/sentry/syscalls/linux/sys_poll.go:116 +0x34 fp=0x4000e53630 sp=0x4000e53600 pc=0x7ab5e4
panic({0xd0fc20?, 0x1ca0d70?})
	GOROOT/src/runtime/panic.go:792 +0x124 fp=0x4000e536e0 sp=0x4000e53630 pc=0x874d4
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:262
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:925 +0x300 fp=0x4000e53740 sp=0x4000e536e0 pc=0x89fe0
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).EventRegister(0x400056fd00?, 0x3?)
	pkg/sentry/fsimpl/fuse/dev.go:152 +0xc0 fp=0x4000e537a0 sp=0x4000e53750 pc=0xa63db0
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).EventRegister(...)
	pkg/sentry/vfs/file_description.go:612
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.initReadiness(0x40009ce008, 0x4001088068, 0x40010823f0, 0x40009ec1c0)
	pkg/sentry/syscalls/linux/sys_poll.go:80 +0xd4 fp=0x4000e53810 sp=0x4000e537a0 pc=0x7aa974
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.pollBlock(0x40009ce008, {0x4001088068, 0x1, 0x5c428?}, 0xffffffffffffffff)
	pkg/sentry/syscalls/linux/sys_poll.go:119 +0x138 fp=0x4000e53900 sp=0x4000e53810 pc=0x7ab2d8
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doPoll(0x40009ce008, 0x20004180, 0x1, 0xffffffffffffffff)
	pkg/sentry/syscalls/linux/sys_poll.go:194 +0x94 fp=0x4000e53980 sp=0x4000e53900 pc=0x7ab7d4
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Ppoll(0x40009ce008, 0x14d5f8?, {{0x20004180}, {0x1}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_poll.go:459 +0xb0 fp=0x4000e53a30 sp=0x4000e53980 pc=0x7ac900
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x40009ce008, 0x49, {{0x20004180}, {0x1}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x4dc fp=0x4000e53c60 sp=0x4000e53a30 pc=0x63d63c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x40009ce008, 0x49, {{0x20004180}, {0x1}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x3c fp=0x4000e53cc0 sp=0x4000e53c60 pc=0x63e4ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x40009ce008, 0x49, {{0x20004180}, {0x1}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x58 fp=0x4000e53d10 sp=0x4000e53cc0 pc=0x63e1d8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x400117e0d0?)
	pkg/sentry/kernel/task_syscall.go:258 +0x23c fp=0x4000e53df0 sp=0x4000e53d10 pc=0x63df8c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x40005683f0?, 0x40009ce008)
	pkg/sentry/kernel/task_run.go:269 +0xc60 fp=0x4000e53f10 sp=0x4000e53df0 pc=0x634bc0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x40009ce008, 0x40)
	pkg/sentry/kernel/task_run.go:97 +0x1d4 fp=0x4000e53fb0 sp=0x4000e53f10 pc=0x633934
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x2c fp=0x4000e53fd0 sp=0x4000e53fb0 pc=0x63c29c
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x4000e53fd0 sp=0x4000e53fd0 pc=0x90394
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 430
	pkg/sentry/kernel/task_start.go:416 +0xc0