This bug was filed from the Socorro interface and is report bp-d80e6090-e9d3-4e7a-aa0d-6e2ea2140106. ============================================================= Frame Module Signature Source 0 XUL nsStyleSet::ReparentStyleContext(nsStyleContext*, nsStyleContext*, mozilla::dom::Element*) layout/style/nsStyleContext.h 1 XUL mozilla::ElementRestyler::RestyleSelf(nsRestyleHint) layout/base/RestyleManager.cpp 2 XUL mozilla::ElementRestyler::Restyle(nsRestyleHint) layout/base/RestyleManager.cpp 3 XUL mozilla::ElementRestyler::RestyleSelf(nsRestyleHint) layout/base/RestyleManager.cpp 4 XUL mozilla::ElementRestyler::Restyle(nsRestyleHint) layout/base/RestyleManager.cpp 5 XUL mozilla::ElementRestyler::RestyleContentChildren(nsRestyleHint) layout/base/RestyleManager.cpp 6 XUL mozilla::ElementRestyler::RestyleChildren(nsRestyleHint) layout/base/RestyleManager.cpp 7 XUL mozilla::ElementRestyler::Restyle(nsRestyleHint) layout/base/RestyleManager.cpp 8 XUL mozilla::ElementRestyler::RestyleContentChildren(nsRestyleHint) layout/base/RestyleManager.cpp 9 XUL mozilla::ElementRestyler::RestyleChildren(nsRestyleHint) layout/base/RestyleManager.cpp 10 XUL mozilla::ElementRestyler::Restyle(nsRestyleHint) layout/base/RestyleManager.cpp 11 XUL mozilla::ElementRestyler::RestyleContentChildren(nsRestyleHint) layout/base/RestyleManager.cpp 12 XUL mozilla::ElementRestyler::RestyleChildren(nsRestyleHint) layout/base/RestyleManager.cpp 13 XUL mozilla::ElementRestyler::Restyle(nsRestyleHint) layout/base/RestyleManager.cpp 14 XUL mozilla::ElementRestyler::RestyleContentChildren(nsRestyleHint) layout/base/RestyleManager.cpp 15 XUL mozilla::ElementRestyler::RestyleChildren(nsRestyleHint) layout/base/RestyleManager.cpp 16 XUL mozilla::ElementRestyler::Restyle(nsRestyleHint) layout/base/RestyleManager.cpp 17 XUL mozilla::ElementRestyler::RestyleContentChildren(nsRestyleHint) layout/base/RestyleManager.cpp 18 XUL mozilla::ElementRestyler::RestyleChildren(nsRestyleHint) layout/base/RestyleManager.cpp 19 XUL mozilla::ElementRestyler::Restyle(nsRestyleHint) layout/base/RestyleManager.cpp 20 XUL mozilla::RestyleManager::ComputeStyleChangeFor(nsIFrame*, nsStyleChangeList*, nsChangeHint, mozilla::RestyleTracker&, bool) layout/base/RestyleManager.cpp 21 XUL mozilla::RestyleManager::RestyleElement(mozilla::dom::Element*, nsIFrame*, nsChangeHint, mozilla::RestyleTracker&, bool) layout/base/RestyleManager.cpp 22 XUL mozilla::RestyleTracker::DoProcessRestyles() layout/base/RestyleTracker.cpp 23 XUL mozilla::RestyleManager::ProcessPendingRestyles() layout/base/RestyleTracker.h 24 XUL PresShell::FlushPendingNotifications(mozilla::ChangesToFlush) layout/base/nsPresShell.cpp 25 XUL nsRefreshDriver::Tick(long long, mozilla::TimeStamp) layout/base/nsRefreshDriver.cpp 26 XUL mozilla::RefreshDriverTimer::Tick() layout/base/nsRefreshDriver.cpp 27 XUL nsTimerImpl::Fire() xpcom/threads/nsTimerImpl.cpp 28 XUL nsTimerEvent::Run() xpcom/threads/nsTimerImpl.cpp 29 XUL nsThread::ProcessNextEvent(bool, bool*) xpcom/threads/nsThread.cpp 30 XUL NS_ProcessPendingEvents(nsIThread*, unsigned int) xpcom/glue/nsThreadUtils.cpp 31 XUL nsBaseAppShell::NativeEventCallback() widget/xpwidgets/nsBaseAppShell.cpp 32 XUL nsAppShell::ProcessGeckoEvents(void*) widget/cocoa/nsAppShell.mm 33 CoreFoundation CoreFoundation@0x12b31 34 CoreFoundation CoreFoundation@0x12455 35 CoreFoundation CoreFoundation@0x357f5 36 XUL nsDisplayList::HitTest(nsDisplayListBuilder*, nsRect const&, nsDisplayItem::HitTestState*, nsTArray<nsIFrame*>*) const obj-firefox/x86_64/dist/include/nsTArray.h 37 XUL nsLayoutUtils::GetFramesForArea(nsIFrame*, nsRect const&, nsTArray<nsIFrame*>&, unsigned int) layout/base/nsLayoutUtils.cpp 38 CoreFoundation CoreFoundation@0x5a3c0 39 CoreFoundation CoreFoundation@0x5a267 40 CoreFoundation CoreFoundation@0x350e2 41 HIToolbox HIToolbox@0x5feb4 42 HIToolbox HIToolbox@0x5fb94 43 HIToolbox HIToolbox@0x5fae3 44 AppKit AppKit@0x155533 45 libsystem_c.dylib libsystem_c.dylib@0x19d84 46 CoreFoundation CoreFoundation@0x35279 47 AppKit AppKit@0x983439 48 AppKit AppKit@0x236f08 49 libobjc.A.dylib objc::DenseMap<objc_object*, unsigned long, true, objc::DenseMapInfo<objc_object*>, objc::DenseMapInfo<unsigned long> >::erase(objc_object* const&) 50 AppKit AppKit@0x154df2 51 AppKit AppKit@0x3a1d53 52 AppKit AppKit@0x3a1d20 53 AppKit AppKit@0x3a1d40 54 AppKit AppKit@0x236aff STR: 1. go to : https://bugzilla.mozilla.org/show_bug.cgi?id=943919 2. on the link for https://bug930250.bugzilla.mozilla.org/attachment.cgi?id=821321, control click and open in a new tab Expected: page opens up Actual: crash occurs. Note: 10.8.5, Mem 8 GB, Proc: 3 GHz, Intel Core i7, Graphics Intel HD Graphics 4000 768 MB

Isn't this just a duplicate of bug 930250? (the bug that the testcase is attached to)

I'm assuming it is, based on skimming the stacks in each bug. Marking as such.