Closed Bug 1622751 Opened 2 months ago Closed 2 months ago

Crash in [@ mozilla::a11y::PDocAccessibleChild::OnMessageReceived]: MOZ_RELEASE_ASSERT(aResultDoc) (NULL actor value passed to non-nullable param)

Categories

(Core :: Disability Access APIs, defect)

defect
Not set
normal

Tracking

()

RESOLVED FIXED
mozilla76
Tracking Status
firefox-esr68 --- unaffected
firefox74 --- unaffected
firefox75 --- unaffected
firefox76 --- fixed

People

(Reporter: pascalc, Assigned: Jamie)

References

(Regression)

Details

(Keywords: crash, regression)

Crash Data

Attachments

(1 file)

This bug is for crash report bp-4988059e-affa-4fb0-b924-81b8d0200315.

Top 10 frames of crashing thread:

0 XUL mozilla::a11y::PDocAccessibleChild::OnMessageReceived ipc/ipdl/PDocAccessibleChild.cpp:7892
1 XUL mozilla::dom::PContentChild::OnMessageReceived ipc/ipdl/PContentChild.cpp:14766
2 XUL mozilla::dom::ContentChild::OnMessageReceived dom/ipc/ContentChild.cpp:3850
3 XUL mozilla::ipc::MessageChannel::DispatchSyncMessage ipc/glue/MessageChannel.cpp:2156
4 XUL mozilla::ipc::MessageChannel::DispatchMessage ipc/glue/MessageChannel.cpp:2107
5 XUL mozilla::ipc::MessageChannel::MessageTask::Run ipc/glue/MessageChannel.cpp:1990
6 XUL mozilla::SchedulerGroup::Runnable::Run xpcom/threads/SchedulerGroup.cpp:282
7 XUL nsThread::ProcessNextEvent xpcom/threads/nsThread.cpp:1220
8 XUL mozilla::ipc::MessagePump::Run ipc/glue/MessagePump.cpp:109
9 XUL MessageLoop::Run ipc/chromium/src/base/message_loop.cc:290

Crashes started with build 20200314102842
Changelog: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=8ef0a54d7715018ad09e5b6b53d3321252422e44&tochange=6f8e1178b3f22ce6ba2b8b9ddde010b064d51b2b

Summary: Crash in [@ mozilla::a11y::PDocAccessibleChild::OnMessageReceived] → Crash in [@ mozilla::a11y::PDocAccessibleChild::OnMessageReceived]: MOZ_RELEASE_ASSERT(aResultDoc) (NULL actor value passed to non-nullable param)
Keywords: regression
Regressed by: 1614871
Assignee: nobody → jteh
Status: NEW → ASSIGNED
Pushed by jteh@mozilla.com:
https://hg.mozilla.org/integration/autoland/rev/5f4d7f8e8c6e
Teach IPDL that PDocAccessible::AccessibleAtPoint can return a null result doc. r=eeejay
Status: ASSIGNED → RESOLVED
Closed: 2 months ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla76
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