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 14959 gp=0xc0008d88c0 m=16 mp=0xc000858808 [running]:
panic({0x182ab40?, 0x28d11c0?})
	GOROOT/src/runtime/panic.go:811 +0x154 fp=0xc002476fa0 sp=0xc002476ef0 pc=0x47bae4
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:262
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:925 +0x300 fp=0xc002477000 sp=0xc002476fa0 pc=0x47e880
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).EventUnregister(0xc0016f3480, 0xc000b182a8)
	pkg/sentry/fsimpl/fuse/dev.go:160 +0x98 fp=0xc002477080 sp=0xc002477010 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(0xc001214588, {0xc000b18240, 0x4, 0x47babc?})
	pkg/sentry/syscalls/linux/sys_poll.go:94 +0xac fp=0xc0024770f0 sp=0xc002477080 pc=0xf84cac
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.pollBlock.deferwrap1()
	pkg/sentry/syscalls/linux/sys_poll.go:116 +0x5c fp=0xc002477140 sp=0xc0024770f0 pc=0xf856bc
panic({0x182ab40?, 0x28d11c0?})
	GOROOT/src/runtime/panic.go:792 +0x124 fp=0xc0024771f0 sp=0xc002477140 pc=0x47bab4
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:262
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:925 +0x300 fp=0xc002477250 sp=0xc0024771f0 pc=0x47e880
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).EventRegister(0xc0016f3480, 0xc000b182a8)
	pkg/sentry/fsimpl/fuse/dev.go:152 +0xa0 fp=0xc0024772f0 sp=0xc002477260 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(0xc001214588, 0xc0004b48d0, 0xc000b182a0, 0xc001e25d50)
	pkg/sentry/syscalls/linux/sys_poll.go:80 +0x184 fp=0xc0024773d0 sp=0xc0024772f0 pc=0xf84554
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.pollBlock(0xc001214588, {0xc0004b48c0, 0x4, 0x1?}, 0x1868bd7ddd250849)
	pkg/sentry/syscalls/linux/sys_poll.go:119 +0x1b0 fp=0xc002477520 sp=0xc0024773d0 pc=0xf852b0
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doPoll(0xc001214588, 0x20001c00, 0x4, 0x1868bd7ddd250849)
	pkg/sentry/syscalls/linux/sys_poll.go:194 +0xf4 fp=0xc0024775d0 sp=0xc002477520 pc=0xf85964
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Ppoll(0xc001214588, 0x62?, {{0x20001c00}, {0x4}, {0x20001c80}, {0x20001cc0}, {0x8}, {0x0}})
	pkg/sentry/syscalls/linux/sys_poll.go:459 +0xf4 fp=0xc0024776a0 sp=0xc0024775d0 pc=0xf87174
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001214588, 0x49, {{0x20001c00}, {0x4}, {0x20001c80}, {0x20001cc0}, {0x8}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x690 fp=0xc002477950 sp=0xc0024776a0 pc=0xd6b320
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001214588, 0x49, {{0x20001c00}, {0x4}, {0x20001c80}, {0x20001cc0}, {0x8}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x50 fp=0xc002477a00 sp=0xc002477950 pc=0xd6c9e0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001214588, 0x49, {{0x20001c00}, {0x4}, {0x20001c80}, {0x20001cc0}, {0x8}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x78 fp=0xc002477a70 sp=0xc002477a00 pc=0xd6c528
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001214588)
	pkg/sentry/kernel/task_syscall.go:258 +0x3c0 fp=0xc002477ba0 sp=0xc002477a70 pc=0xd6c1c0
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001214588?, 0xc001214588)
	pkg/sentry/kernel/task_run.go:269 +0x1568 fp=0xc002477e50 sp=0xc002477ba0 pc=0xd5cf38
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001214588, 0x1472)
	pkg/sentry/kernel/task_run.go:97 +0x394 fp=0xc002477fa0 sp=0xc002477e50 pc=0xd5b184
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x44 fp=0xc002477fd0 sp=0xc002477fa0 pc=0xd697f4
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0xc002477fd0 sp=0xc002477fd0 pc=0x484e24
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 14925
	pkg/sentry/kernel/task_start.go:416 +0x13c