[Network] crashed after clicking wifi menu BView::Window()

[diver]

Haiku revision: hrev52282 Aug 25 2018 22:14:46 (x86_64)

Probably a bug in BMenu.

Active Threads:
	thread 1300: Network (main)
	thread 1304: PathMonitor looper 
	thread 1305: w>Network 
	thread 1309: _m_task_ 
	thread 1312: w>_mc_mb_ cached menu 
	thread 1323: team 1300 debug task 
	thread 1308: menu_tracking 
		state: Exception (General protection fault)

		Frame		IP			Function Name
		-----------------------------------------------
		0x7f1b46af1b10	0x13b21f0eb12	BView::Window() const + 0x4 
			Disassembly:
				BView::Window() const:
				0x0000013b21f0eb0e:               55  push %rbp
				0x0000013b21f0eb0f:           4889e5  mov %rsp, %rbp
				0x0000013b21f0eb12:         488b4760  mov 0x60(%rdi), %rax <--

			Frame memory:
				[0x7f1b46af1b00]  ...F....IE.!;...   e0 1b af 46 1b 7f 00 00 49 45 ec 21 3b 01 00 00
		0x7f1b46af1bf0	0x13b21ec4544	BMenu::_Track(int*, long) + 0x62e 
		0x7f1b46af1cc0	0x13b21ec73f9	BMenuBar::_Track(int*, int, bool) + 0x21d 
		0x7f1b46af1d10	0x13b21ec7902	BMenuBar::_TrackTask(void*) + 0x6c 
		0x7f1b46af1d30	0x13a94f408c4	thread_entry + 0x10 
		00000000	0x7feb555d1260	commpage_thread_exit + 0 

[humdinger]

Looks like a dup of #12024 and maybe #14348?