layout/xul/tree/crashtests/730441-3.xul@deefc01c0e14
layout/xul/tree/crashtests/730441-3.xul
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
1 <?xml version="1.0"?>
2 <!--
3 ###!!! ASSERTION: You can't dereference a NULL nsCOMPtr with operator->().: 'mRawPtr != 0', file ../../../../dist/include/nsCOMPtr.h, line 796
5 Program received signal SIGSEGV, Segmentation fault.
6 0xb6b7463a in nsTreeContentView::SetTree (this=0xb0ba2510, aTree=0xaaecece0) at layout/xul/base/src/tree/src/nsTreeContentView.cpp:571
7 571 boxObject->GetElement(getter_AddRefs(element));
8 (gdb) bt 3
9 #0 0xb6b7463a in nsTreeContentView::SetTree (this=0xb0ba2510, aTree=0xaaecece0) at layout/xul/base/src/tree/src/nsTreeContentView.cpp:571
10 #1 0xb736c76f in NS_InvokeByIndex_P () at xpcom/reflect/xptcall/src/md/unix/xptcinvoke_gcc_x86_unix.cpp:69
11 #2 0xb6171901 in XPCWrappedNative::CallMethod (ccx=..., mode=XPCWrappedNative::CALL_METHOD)
12 at js/src/xpconnect/src/xpcwrappednative.cpp:2722
13 (More stack frames follow...)
14 (gdb) list 566
15 561 nsTreeContentView::SetTree(nsITreeBoxObject* aTree)
16 562 {
17 563 ClearRows();
18 564
19 565 mBoxObject = aTree;
20 566
21 567 if (aTree && !mRoot) {
22 568 // Get our root element
23 569 nsCOMPtr<nsIBoxObject> boxObject = do_QueryInterface(mBoxObject);
24 570 nsCOMPtr<nsIDOMElement> element;
25 571 boxObject->GetElement(getter_AddRefs(element));
26 (gdb) p boxObject
27 $16 = {mRawPtr = 0x0}
29 |aTree| does not implement |nsIBoxObject|, so |do_QueryInterface(mBoxObject)|
30 returns null. Then we have |null->GetElement()|.
31 -->
32 <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
33 onload="document.getElementById('tree').view.setTree({});">
34 <tree id="tree">
35 <treechildren/>
36 </tree>
37 </window>
