Drag folder on album panel view, crash

[woolie]

Steps:

• Open Stereotype
• Show album panel view
• Drag folder of music over album view

Result:
Crash

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_PROTECTION_FAILURE at 0x00007fff55dd7ff8

VM Regions Near 0x7fff55dd7ff8:
MALLOC_SMALL 00007fbd17000000-00007fbd18000000 [ 16.0M] rw-/rwx SM=PRV
--> STACK GUARD 00007fff525d8000-00007fff55dd8000 [ 56.0M] ---/rwx SM=NUL stack guard for thread 0
Stack 00007fff55dd8000-00007fff565d8000 [ 8192K] rw-/rwx SM=COW thread 0

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.Foundation 0x00007fff8f85b90d -[NSIndexSet containsIndexesInRange:] + 39
1 com.apple.imageKit 0x00007fff8f10414a -[IKImageBrowserGrid validateAdditionalHeightToRow:] + 82
2 com.apple.imageKit 0x00007fff8f1045a1 -[IKImageBrowserGrid totalAdditionalHeightAtRow:] + 242
3 com.apple.imageKit 0x00007fff8f1046f1 -[IKImageBrowserGrid boundingBoxYAtRow:] + 203
4 com.apple.imageKit 0x00007fff8f10479d -[IKImageBrowserGrid cellBoundingBoxPositionAtIndex:] + 145
5 com.apple.imageKit 0x00007fff8f104978 -[IKImageBrowserGrid cellFrameAtIndex:] + 161
6 com.apple.imageKit 0x00007fff8f1964e2 -[IKImageBrowserLayoutManager cellFrameAtIndex:] + 297
7 com.apple.imageKit 0x00007fff8f132455 -[IKImageBrowserView(ImageBrowserDragNDropInternal) _updateIndexAndDropOperationWithDrop:] + 2146
8 com.apple.imageKit 0x00007fff8f1336b2 -[IKImageBrowserView(ImageBrowserDragNDropInternal) draggingEntered:] + 177
9 com.apple.imageKit 0x00007fff8f133727 -[IKImageBrowserView(ImageBrowserDragNDropInternal) draggingEntered:] + 294
10 com.apple.imageKit 0x00007fff8f133727 -

[snip]