1650562 - Crash in [@ mozilla::dom::BrowsingContext::GetParent]

Status: RESOLVED FIXED

(Core :: DOM: Navigation, defect, P3)

Description

[Johannes Pfrang [:johnp]]

This bug is for crash report bp-4682c48f-7c7e-4957-b1c8-affcf0200704. No STR (couldn't reproduce, but there's similar crash reports on Soccoro on Windows & macOS).

Top 10 frames of crashing thread:

0 libxul.so mozilla::dom::BrowsingContext::GetParent const docshell/base/BrowsingContext.cpp:105
1 libxul.so nsContentUtils::CheckForSubFrameDrop dom/base/nsContentUtils.cpp
2 libxul.so nsContentUtils::SetDataTransferInEvent dom/base/nsContentUtils.cpp:5484
3 libxul.so mozilla::dom::DragEvent::GetDataTransfer dom/events/DragEvent.cpp:65
4 libxul.so mozilla::dom::DragEvent_Binding::get_dataTransfer dom/bindings/DragEventBinding.cpp:156
5 libxul.so bool mozilla::dom::binding_detail::GenericGetter<mozilla::dom::binding_detail::NormalThisPolicy, mozilla::dom::binding_detail::ThrowExceptions> dom/bindings/BindingUtils.cpp:3101
6 libxul.so js::InternalCallOrConstruct js/src/vm/Interpreter.cpp:576
7 libxul.so JS::Call js/src/jsapi.cpp:2846
8 libxul.so xpc::XrayWrapper<js::CrossCompartmentWrapper, xpc::DOMXrayTraits>::get const js/xpconnect/wrappers/XrayWrapper.cpp:2101
9 libxul.so js::Proxy::get js/src/proxy/Proxy.cpp:339

Comment 1

[Chris Peterson [:cpeterson]]

Crash from null BrowsingContext.
Assigning to kmag

Tracking for Fission M6b unless this crash signature spikes to affect a lot of users.

Comment 2

[Kris Maglione [:kmag]]

Attachment: Bug 1650562: Add missing null check for document BrowsingContext. r=nika

Comment 3

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1646513

Comment 4

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/b24625796fef
Add missing null check for document BrowsingContext. r=nika

Comment 5

[Atila Butkovits]

https://hg.mozilla.org/mozilla-central/rev/b24625796fef