1429978 - Failure in [@ mozilla::a11y::DocAccessibleParent::AddChildDoc]

Status: NEW

(Core :: Disability Access APIs, defect)

Description

[Tyson Smith [:tsmith]]

Attachment: testcase.html

I'm pretty sure this is an assertion but I'm 100% sure. This is also only reproducible on a debug build with e10s enabled. 

0|google_breakpad::ExceptionHandler::WriteMinidump|hg:hg.mozilla.org/mozilla-central:toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc:ca379fcca95b|674|0xc
1|google_breakpad::ExceptionHandler::WriteMinidump|hg:hg.mozilla.org/mozilla-central:toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc:ca379fcca95b|645|0x8
2|CrashReporter::CreateMinidumpsAndPair|hg:hg.mozilla.org/mozilla-central:toolkit/crashreporter/nsExceptionHandler.cpp:ca379fcca95b|3973|0x16
3|mozilla::ipc::CrashReporterHost::GenerateMinidumpAndPair|hg:hg.mozilla.org/mozilla-central:ipc/glue/CrashReporterHost.cpp:ca379fcca95b|217|0x26
4|mozilla::dom::ContentParent::KillHard|hg:hg.mozilla.org/mozilla-central:dom/ipc/ContentParent.cpp:ca379fcca95b|3088|0x1d
5|mozilla::ipc::IPCResult::Fail|hg:hg.mozilla.org/mozilla-central:ipc/glue/ProtocolUtils.cpp:ca379fcca95b|65|0x12
6|mozilla::a11y::DocAccessibleParent::AddChildDoc|hg:hg.mozilla.org/mozilla-central:accessible/ipc/DocAccessibleParent.cpp:ca379fcca95b|463|0x1e
7|mozilla::dom::TabParent::RecvPDocAccessibleConstructor|hg:hg.mozilla.org/mozilla-central:dom/ipc/TabParent.cpp:ca379fcca95b|946|0xd
8|mozilla::dom::PBrowserParent::OnMessageReceived|s3:gecko-generated-sources:f44339ec9b5e35fb0462a6f53007b2c51622468f56198399e831cf3939a12258060026c255ec52644ff5456ce2b590f1362c088a859f67f5a49c48216d318adc/ipc/ipdl/PBrowserParent.cpp:|2105|0x23
9|mozilla::ipc::MessageChannel::DispatchAsyncMessage|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessageChannel.cpp:ca379fcca95b|2110|0x6
10|mozilla::ipc::MessageChannel::DispatchMessage|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessageChannel.cpp:ca379fcca95b|2040|0xb
11|mozilla::ipc::MessageChannel::RunMessage|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessageChannel.cpp:ca379fcca95b|1886|0xb
12|mozilla::ipc::MessageChannel::MessageTask::Run|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessageChannel.cpp:ca379fcca95b|1919|0xc
13|nsThread::ProcessNextEvent|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThread.cpp:ca379fcca95b|1040|0x15
14|NS_ProcessNextEvent|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThreadUtils.cpp:ca379fcca95b|517|0x11
15|mozilla::ipc::MessagePump::Run|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessagePump.cpp:ca379fcca95b|97|0xa
16|MessageLoop::RunInternal|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:ca379fcca95b|326|0x17
17|MessageLoop::Run|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:ca379fcca95b|319|0x8
18|nsBaseAppShell::Run|hg:hg.mozilla.org/mozilla-central:widget/nsBaseAppShell.cpp:ca379fcca95b|157|0xd
19|nsAppStartup::Run|hg:hg.mozilla.org/mozilla-central:toolkit/components/startup/nsAppStartup.cpp:ca379fcca95b|288|0xe
20|XREMain::XRE_mainRun|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsAppRunner.cpp:ca379fcca95b|4709|0x15
21|XREMain::XRE_main|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsAppRunner.cpp:ca379fcca95b|4871|0x8
22|XRE_main|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsAppRunner.cpp:ca379fcca95b|4963|0x5
23|do_main|hg:hg.mozilla.org/mozilla-central:browser/app/nsBrowserApp.cpp:ca379fcca95b|231|0x22
24|main|hg:hg.mozilla.org/mozilla-central:browser/app/nsBrowserApp.cpp:ca379fcca95b|304|0xd