1658010 - Crash in [@ mozilla::ContentBlockingNotifier::OnEvent]

Status: RESOLVED FIXED

(Core :: Privacy: Anti-Tracking, defect)

Description

[u608768]

This bug is for crash report bp-05209412-76a3-4cad-8cd6-b6dc50200807.

Top 10 frames of crashing thread:

0 xul.dll static mozilla::ContentBlockingNotifier::OnEvent toolkit/components/antitracking/ContentBlockingNotifier.cpp:523
1 xul.dll static mozilla::ContentBlocking::OnAllowAccessFor toolkit/components/antitracking/ContentBlocking.cpp:606
2 xul.dll mozilla::ContentBlocking::AllowAccessFor::<unnamed-tag>::operator const toolkit/components/antitracking/ContentBlocking.cpp:370
3 xul.dll mozilla::MozPromise<mozilla::Maybe<mozilla::ContentBlocking::StorageAccessPromptChoices>, mozilla::ipc::ResponseRejectReason, 1>::ThenValue<`lambda at /builds/worker/checkouts/gecko/toolkit/components/antitracking/ContentBlocking.cpp:360:14'>::DoResolveOrRejectInternal xpcom/threads/MozPromise.h:837
4 xul.dll mozilla::MozPromise<mozilla::Maybe<mozilla::ContentBlocking::StorageAccessPromptChoices>, mozilla::ipc::ResponseRejectReason, 1>::ThenValueBase::ResolveOrRejectRunnable::Run xpcom/threads/MozPromise.h:410
5 xul.dll nsThread::ProcessNextEvent xpcom/threads/nsThread.cpp:1256
6 xul.dll mozilla::ipc::MessagePump::Run ipc/glue/MessagePump.cpp:109
7 xul.dll MessageLoop::RunHandler ipc/chromium/src/base/message_loop.cc:327
8 xul.dll MessageLoop::Run ipc/chromium/src/base/message_loop.cc:309
9 xul.dll nsBaseAppShell::Run widget/nsBaseAppShell.cpp:137

Spiked in nightly build 20200806215439. Push log: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=6e35e01646d7c465893a172a0b4fb116c2293d2a&tochange=95cbd137913873b3e3dddda4b4d895ce28e04048.

Sounds like this could've been bug 1654064.

Comment 1

[Dimi Lee [:dimi]]

Attachment: Bug 1658010 - Add null pointer check before notifying content block event r=timhuang

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/fa0dbdf15f29
Add null pointer check before notifying content block event r=xeonchen

Comment 3

[Cristina Coroiu [:ccoroiu]]

https://hg.mozilla.org/mozilla-central/rev/fa0dbdf15f29

Comment 4

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

Set release status flags based on info from the regressing bug 1654064