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=0xb7ee50]

goroutine 446 gp=0x400077a1c0 m=11 mp=0x40003ed808 [running]:
panic({0xe3fe80?, 0x201d040?})
	GOROOT/src/runtime/panic.go:811 +0x154 fp=0x40007cd4f0 sp=0x40007cd440 pc=0x87504
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:262
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:925 +0x300 fp=0x40007cd550 sp=0x40007cd4f0 pc=0x89fe0
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).EventUnregister(0x4000d2e880, 0x4000f6c8d8)
	pkg/sentry/fsimpl/fuse/dev.go:160 +0x70 fp=0x40007cd5b0 sp=0x40007cd560 pc=0xb7ee50
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).EventUnregister(...)
	pkg/sentry/vfs/file_description.go:619
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.releaseState(0x4000c38c88, {0x4000f6c8d0, 0x1, 0x400077a1c0?})
	pkg/sentry/syscalls/linux/sys_poll.go:94 +0x8c fp=0x40007cd5f0 sp=0x40007cd5b0 pc=0x87b65c
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.pollBlock.deferwrap1()
	pkg/sentry/syscalls/linux/sys_poll.go:116 +0x34 fp=0x40007cd620 sp=0x40007cd5f0 pc=0x87bc34
panic({0xe3fe80?, 0x201d040?})
	GOROOT/src/runtime/panic.go:792 +0x124 fp=0x40007cd6d0 sp=0x40007cd620 pc=0x874d4
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:262
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:925 +0x300 fp=0x40007cd730 sp=0x40007cd6d0 pc=0x89fe0
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).EventRegister(0x4000d2e880, 0x4000f6c8d8)
	pkg/sentry/fsimpl/fuse/dev.go:152 +0x74 fp=0x40007cd7a0 sp=0x40007cd740 pc=0xb7ecf4
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).EventRegister(...)
	pkg/sentry/vfs/file_description.go:612
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.initReadiness(0x4000c38c88, 0x40014180f8, 0x4000f6c8d0, 0x4000bc0460)
	pkg/sentry/syscalls/linux/sys_poll.go:80 +0x11c fp=0x40007cd810 sp=0x40007cd7a0 pc=0x87b3dc
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.pollBlock(0x4000c38c88, {0x40014180f8, 0x1, 0xf4240?}, 0xffffffffffffffff)
	pkg/sentry/syscalls/linux/sys_poll.go:119 +0x148 fp=0x40007cd900 sp=0x40007cd810 pc=0x87b808
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doPoll(0x4000c38c88, 0x20004180, 0x1, 0xffffffffffffffff)
	pkg/sentry/syscalls/linux/sys_poll.go:194 +0xc8 fp=0x40007cd980 sp=0x40007cd900 pc=0x87be98
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Ppoll(0x4000c38c88, 0x40007cda80?, {{0x20004180}, {0x1}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_poll.go:459 +0x120 fp=0x40007cda30 sp=0x40007cd980 pc=0x87d0f0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4000c38c88, 0x49, {{0x20004180}, {0x1}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x658 fp=0x40007cdc60 sp=0x40007cda30 pc=0x6dff28
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4000c38c88, 0x49, {{0x20004180}, {0x1}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x40007cdcc0 sp=0x40007cdc60 pc=0x6e11e8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x4000c38c88, 0x49, {{0x20004180}, {0x1}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x40007cdd10 sp=0x40007cdcc0 pc=0x6e0dac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x40008ea210?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x40007cddf0 sp=0x40007cdd10 pc=0x6e0aa8
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x400088d4d0?, 0x4000c38c88)
	pkg/sentry/kernel/task_run.go:269 +0x1064 fp=0x40007cdf10 sp=0x40007cddf0 pc=0x6d5634
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4000c38c88, 0x49)
	pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x40007cdfb0 sp=0x40007cdf10 pc=0x6d3f40
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x2c fp=0x40007cdfd0 sp=0x40007cdfb0 pc=0x6de77c
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x40007cdfd0 sp=0x40007cdfd0 pc=0x90394
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 468
	pkg/sentry/kernel/task_start.go:416 +0xd4