1496839 - Crash in nsSubDocumentFrame::GetRenderFrameParent

Status: RESOLVED FIXED

(Core :: Web Painting, defect, P3)

Description

[Andrew McCreight [:mccr8]]

This bug was filed from the Socorro interface and is
report bp-573d8855-24fb-4c96-a698-629230181005.
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Top 10 frames of crashing thread:

0 libxul.so nsSubDocumentFrame::GetRenderFrameParent const xpcom/base/nsCOMPtr.h:919
1 libxul.so nsDisplayRemote::HasDeletedFrame const layout/ipc/RenderFrameParent.cpp:429
2 libxul.so RetainedDisplayListBuilder::PreProcessDisplayList layout/painting/RetainedDisplayListBuilder.cpp:149
3 libxul.so RetainedDisplayListBuilder::AttemptPartialUpdate layout/painting/RetainedDisplayListBuilder.cpp:1340
4 libxul.so nsLayoutUtils::PaintFrame layout/base/nsLayoutUtils.cpp:3681
5 libxul.so mozilla::PresShell::Paint layout/base/PresShell.cpp:6350
6 libxul.so nsViewManager::ProcessPendingUpdatesForView view/nsViewManager.cpp:480
7 libxul.so nsViewManager::ProcessPendingUpdates view/nsViewManager.cpp:1102
8 libxul.so nsRefreshDriver::Tick layout/base/nsRefreshDriver.cpp:2046
9 libxul.so mozilla::RefreshDriverTimer::TickRefreshDrivers layout/base/nsRefreshDriver.cpp:325

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This is a Nightly-only crash. It looks like null derefs. There's a small but steady number of these, so I figured I'd file it.

Comment 1

[Miko Mynttinen]

Attachment: Bug 1496839 - Avoid dereferencing null frame

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/8a1bcc91affb
Avoid dereferencing null frame r=mattwoodrow

Comment 3

[Bogdan Tara[:bogdan_tara | bogdant]]

https://hg.mozilla.org/mozilla-central/rev/8a1bcc91affb