Closed Bug 1645777 Opened 2 months ago Closed 1 month ago

Crash in [@ mozilla::PermissionManager::GetKeyForPrincipal]


(Core :: Privacy: Anti-Tracking, defect, P1)

79 Branch



Tracking Status
firefox-esr68 --- unaffected
firefox-esr78 --- unaffected
firefox77 --- unaffected
firefox78 --- unaffected
firefox79 + fixed
firefox80 + fixed


(Reporter: calixte, Assigned: dimi)


(Blocks 1 open bug, Regression)


(Keywords: crash, regression)

Crash Data


(1 file)

This bug is for crash report bp-550e15ac-c709-4c8f-af9e-97ac00200614.

Top 10 frames of crashing thread:

0 XUL mozilla::PermissionManager::GetKeyForPrincipal extensions/permissions/PermissionManager.cpp:3069
1 XUL mozilla::ContentBlocking::UpdateAllowAccessOnParentProcess toolkit/components/antitracking/ContentBlocking.cpp:791
2 XUL mozilla::ContentBlocking::SaveAccessForOriginOnParentProcess toolkit/components/antitracking/ContentBlocking.cpp:618
3 XUL mozilla::ContentBlocking::CompleteAllowAccessFor const toolkit/components/antitracking/ContentBlocking.cpp:509
4 XUL mozilla::ContentBlocking::CompleteAllowAccessFor toolkit/components/antitracking/ContentBlocking.cpp:564
5 XUL mozilla::dom::ContentParent::RecvCompleteAllowAccessFor dom/ipc/ContentParent.cpp:6004
6 XUL mozilla::dom::PContentParent::OnMessageReceived ipc/ipdl/PContentParent.cpp:11218
7 XUL mozilla::ipc::MessageChannel::DispatchMessage ipc/glue/MessageChannel.cpp:2166
8 XUL mozilla::ipc::MessageChannel::MessageTask::Run ipc/glue/MessageChannel.cpp:1969
9 XUL nsThread::ProcessNextEvent xpcom/threads/nsThread.cpp:1238

There is 1 crash in nightly 79 with buildid 20200613214137. In analyzing the backtrace, the regression may have been introduced by patch [1] to fix bug 1643115.


Flags: needinfo?(dlee)
Assignee: nobody → dlee
Flags: needinfo?(dlee)
Severity: -- → S3
Priority: -- → P1

[Tracking Requested - why for this release]:
judging by affected installations this crash is #7 on list of top browser crashers list in 79.0b and accounting for 0.7% of all crashes.

Pushed by
Add nullptr check after calling AntiTrackingUtils::GetPrincipal r=timhuang
Closed: 1 month ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla80

The patch landed in nightly and beta is affected.
:dimi, is this bug important enough to require an uplift?
If not please set status_beta to wontfix.

For more information, please visit auto_nag documentation.

Flags: needinfo?(dlee)

Comment on attachment 9161036 [details]
Bug 1645777 - Add nullptr check after calling AntiTrackingUtils::GetPrincipal r=timhuang

Beta/Release Uplift Approval Request

  • User impact if declined: May crash while visiting sites that have trackers.
  • Is this code covered by automated tests?: No
  • Has the fix been verified in Nightly?: Yes
  • Needs manual test from QE?: No
  • If yes, steps to reproduce:
  • List of other uplifts needed: None
  • Risk to taking this patch: Low
  • Why is the change risky/not risky? (and alternatives if risky): only a nullptr check
  • String changes made/needed:
Flags: needinfo?(dlee)
Attachment #9161036 - Flags: approval-mozilla-beta?

Comment on attachment 9161036 [details]
Bug 1645777 - Add nullptr check after calling AntiTrackingUtils::GetPrincipal r=timhuang

Approved for 79.0b5.

Attachment #9161036 - Flags: approval-mozilla-beta? → approval-mozilla-beta+
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