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 2235 gp=0xc00014d340 m=32 mp=0xc000f33808 [running]:
panic({0x182ab40?, 0x28d11c0?})
	GOROOT/src/runtime/panic.go:811 +0x154 fp=0xc002838fa0 sp=0xc002838ef0 pc=0x47bae4
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:262
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:925 +0x300 fp=0xc002839000 sp=0xc002838fa0 pc=0x47e880
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).EventUnregister(0xc0001b8900, 0xc0000f7c28)
	pkg/sentry/fsimpl/fuse/dev.go:160 +0x98 fp=0xc002839080 sp=0xc002839010 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(0xc001ff0588, {0xc0000f7c20, 0x2, 0x47babc?})
	pkg/sentry/syscalls/linux/sys_poll.go:94 +0xac fp=0xc0028390f0 sp=0xc002839080 pc=0xf84cac
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.pollBlock.deferwrap1()
	pkg/sentry/syscalls/linux/sys_poll.go:116 +0x5c fp=0xc002839140 sp=0xc0028390f0 pc=0xf856bc
panic({0x182ab40?, 0x28d11c0?})
	GOROOT/src/runtime/panic.go:792 +0x124 fp=0xc0028391f0 sp=0xc002839140 pc=0x47bab4
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:262
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:925 +0x300 fp=0xc002839250 sp=0xc0028391f0 pc=0x47e880
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).EventRegister(0xc0001b8900, 0xc0000f7c28)
	pkg/sentry/fsimpl/fuse/dev.go:152 +0xa0 fp=0xc0028392f0 sp=0xc002839260 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(0xc001ff0588, 0xc000deca50, 0xc0000f7c20, 0xc0002415e0)
	pkg/sentry/syscalls/linux/sys_poll.go:80 +0x184 fp=0xc0028393d0 sp=0xc0028392f0 pc=0xf84554
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.pollBlock(0xc001ff0588, {0xc000deca50, 0x2, 0x8?}, 0x1868bb9596ceb0f2)
	pkg/sentry/syscalls/linux/sys_poll.go:119 +0x1b0 fp=0xc002839520 sp=0xc0028393d0 pc=0xf852b0
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doPoll(0xc001ff0588, 0x200010c0, 0x2, 0x1868bb9596ceb0f2)
	pkg/sentry/syscalls/linux/sys_poll.go:194 +0xf4 fp=0xc0028395d0 sp=0xc002839520 pc=0xf85964
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Ppoll(0xc001ff0588, 0x47cb80?, {{0x200010c0}, {0x2}, {0x20001140}, {0x20001180}, {0x8}, {0x0}})
	pkg/sentry/syscalls/linux/sys_poll.go:459 +0xf4 fp=0xc0028396a0 sp=0xc0028395d0 pc=0xf87174
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001ff0588, 0x49, {{0x200010c0}, {0x2}, {0x20001140}, {0x20001180}, {0x8}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x690 fp=0xc002839950 sp=0xc0028396a0 pc=0xd6b320
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001ff0588, 0x49, {{0x200010c0}, {0x2}, {0x20001140}, {0x20001180}, {0x8}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x50 fp=0xc002839a00 sp=0xc002839950 pc=0xd6c9e0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001ff0588, 0x49, {{0x200010c0}, {0x2}, {0x20001140}, {0x20001180}, {0x8}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x78 fp=0xc002839a70 sp=0xc002839a00 pc=0xd6c528
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001ff0588)
	pkg/sentry/kernel/task_syscall.go:258 +0x3c0 fp=0xc002839ba0 sp=0xc002839a70 pc=0xd6c1c0
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001ff0588?, 0xc001ff0588)
	pkg/sentry/kernel/task_run.go:269 +0x1568 fp=0xc002839e50 sp=0xc002839ba0 pc=0xd5cf38
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001ff0588, 0x279)
	pkg/sentry/kernel/task_run.go:97 +0x394 fp=0xc002839fa0 sp=0xc002839e50 pc=0xd5b184
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x44 fp=0xc002839fd0 sp=0xc002839fa0 pc=0xd697f4
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0xc002839fd0 sp=0xc002839fd0 pc=0x484e24
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 2233
	pkg/sentry/kernel/task_start.go:416 +0x13c