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Diffstat (limited to '')
| -rw-r--r-- | layout/xul/tree/crashtests/730441-3.xhtml | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/layout/xul/tree/crashtests/730441-3.xhtml b/layout/xul/tree/crashtests/730441-3.xhtml new file mode 100644 index 0000000000..c3fe199a83 --- /dev/null +++ b/layout/xul/tree/crashtests/730441-3.xhtml @@ -0,0 +1,38 @@ +<?xml version="1.0"?> +<!-- +###!!! ASSERTION: You can't dereference a NULL nsCOMPtr with operator->().: 'mRawPtr != 0', file ../../../../dist/include/nsCOMPtr.h, line 796 + +Program received signal SIGSEGV, Segmentation fault. +0xb6b7463a in nsTreeContentView::SetTree (this=0xb0ba2510, aTree=0xaaecece0) at layout/xul/base/src/tree/src/nsTreeContentView.cpp:571 +571 boxObject->GetElement(getter_AddRefs(element)); +(gdb) bt 3 +#0 0xb6b7463a in nsTreeContentView::SetTree (this=0xb0ba2510, aTree=0xaaecece0) at layout/xul/base/src/tree/src/nsTreeContentView.cpp:571 +#1 0xb736c76f in NS_InvokeByIndex_P () at xpcom/reflect/xptcall/md/unix/xptcinvoke_gcc_x86_unix.cpp:69 +#2 0xb6171901 in XPCWrappedNative::CallMethod (ccx=..., mode=XPCWrappedNative::CALL_METHOD) + at js/src/xpconnect/src/xpcwrappednative.cpp:2722 +(More stack frames follow...) +(gdb) list 566 +561 nsTreeContentView::SetTree(nsITreeBoxObject* aTree) +562 { +563 ClearRows(); +564 +565 mBoxObject = aTree; +566 +567 if (aTree && !mRoot) { +568 // Get our root element +569 nsCOMPtr<nsIBoxObject> boxObject = do_QueryInterface(mBoxObject); +570 nsCOMPtr<Element> element; +571 boxObject->GetElement(getter_AddRefs(element)); +(gdb) p boxObject +$16 = {mRawPtr = 0x0} + +|aTree| does not implement |nsIBoxObject|, so |do_QueryInterface(mBoxObject)| +returns null. Then we have |null->GetElement()|. +--> +<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" + onload="document.getElementById('tree').view.setTree({});"> +<tree id="tree"> + <treechildren/> +</tree> +</window> + |