1821545 - Crash in [@ mozilla::Maybe<T>::emplace<T> | mozilla::net::CookieJarSettings::SetFingerprintingRandomizationKey]

Status: RESOLVED FIXED

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

Description

[Andrew McCreight [:mccr8]]

Crash report: https://crash-stats.mozilla.org/report/index/d03ddf90-5881-4c28-ac3b-80c620230308

MOZ_CRASH Reason: MOZ_RELEASE_ASSERT(!isSome())

Top 10 frames of crashing thread:

0  XUL  mozilla::Maybe<nsTArray<unsigned char> >::emplace<nsTArray<unsigned char> >  mfbt/Maybe.h:844
1  XUL  mozilla::net::CookieJarSettings::SetFingerprintingRandomizationKey  netwerk/cookie/CookieJarSettings.h:171
1  XUL  mozilla::AntiTrackingUtils::UpdateAntiTrackingInfoForChannel  toolkit/components/antitracking/AntiTrackingUtils.cpp:896
2  XUL  mozilla::net::nsHttpChannel::AsyncOpen  netwerk/protocol/http/nsHttpChannel.cpp:5942
3  XUL  mozilla::net::nsHttpChannel::ContinueProcessRedirection  netwerk/protocol/http/nsHttpChannel.cpp:5357
4  XUL  mozilla::net::nsHttpChannel::OnRedirectVerifyCallback  netwerk/protocol/http/nsHttpChannel.cpp:8689
5  XUL  mozilla::net::nsAsyncVerifyRedirectCallbackEvent::Run  netwerk/base/nsAsyncRedirectVerifyHelper.cpp:41
6  XUL  mozilla::RunnableTask::Run  xpcom/threads/TaskController.cpp
6  XUL  mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal  xpcom/threads/TaskController.cpp:867
7  XUL  mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal  xpcom/threads/TaskController.cpp:698

It looks like SetFingerprintingRandomizationKey was added in 1816064.

Comment 1

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

Set release status flags based on info from the regressing bug 1816064

Comment 2

[Tim Huang[:timhuang]]

Attachment: Bug 1821545 - Reset the mFingerprintingRandomKey of CookieJarSettings before setting it. r?#anti-tracking-reviewers!

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/92f3e33493ce
Reset the mFingerprintingRandomKey of CookieJarSettings before setting it. r=anti-tracking-reviewers,pbz

Comment 4

[Sandor Molnar[:smolnar]]

https://hg.mozilla.org/mozilla-central/rev/92f3e33493ce