Tracker crashes when invoking Find with custom filetypes installed

[grexe]

While working on my project (SEN), I set up custom file type and also supertypes, which are valid (displayed and handled correctly in Tracker and the FileTypes app).

However this seems to crash the Find panel since some weeks (I'm always on the latest nightly because I need to work with the system closely and want to watch out for changes as soon as possible).

Simply invoking the "Find" command by shortcut or menu crashes Tracker, see log.

[grexe]

Tracker crash report

[grexe]

my extended mime_db

[jscipione]

I am unable to reproduce this issue on latest nightly, it may have been fixed. I created a new supertype in FileType with a type, so some custom types inside application supertype. Find window does not crash.

[grexe]

can still reproduce with hrev58241, will try to debug. Crash report still shows:

	thread 499: w>Desktop 
		state: Exception (Segment violation)

		Frame		IP			Function Name
		-----------------------------------------------
		0x7fa3c5508810	0x3c1c947b30	BList::CountItems() const + 0 
			Disassembly:
				BList::CountItems() const:
				0x0000003c1c947b30:           8b4714  movl 0x14(%rdi), %eax <--

			Frame memory:
				[0x7fa3c5508808]  ..".k...   98 02 22 1f 6b 01 00 00
		0x7fa3c55089a0	0x16b1f220293	BPrivate::FindPanel::AddOneMimeTypeToMenu(BPrivate::ShortMimeInfo const*, void*) + 0xc3 
		0x7fa3c5508a00	0x16b1f235704	BPrivate::MimeTypeList::EachCommonType(bool (*)(BPrivate::ShortMimeInfo const*, void*), void*) const + 0x74 
		0x7fa3c5508b20	0x16b1f220942	BPrivate::FindPanel::AddMimeTypesToMenu() + 0x362 
		0x7fa3c5508ba0	0x16b1f225931	BPrivate::FindPanel::FindPanel(BFile*, BPrivate::FindWindow*, bool, bool) + 0x141 
		0x7fa3c5508d10	0x16b1f2264e8	BPrivate::FindWindow::FindWindow(entry_ref const*, bool) + 0x1a8