Closed Bug 1686938 Opened 4 years ago Closed 4 years ago

Crash in [@ mozilla::ClearSiteData::Observe]

Categories

(Core :: Storage: StorageManager, defect)

defect

Tracking

()

RESOLVED FIXED
86 Branch
Tracking Status
firefox-esr78 --- unaffected
firefox84 --- unaffected
firefox85 --- unaffected
firefox86 blocking fixed

People

(Reporter: aryx, Unassigned)

References

(Regression)

Details

(Keywords: crash, regression)

Crash Data

Steps to reproduce:

  1. Open https://stackoverflow.com/questions/11178673/how-to-override-important
  2. Go to the answer which starts with "Disclaimer: Avoid !important at all cost."
  3. Click the button "Run code snippet".

Sheriffs will back out bug 1685355 and request new Nightlies.

Crash report: https://crash-stats.mozilla.org/report/index/b8f2681c-ce20-421b-8029-1797f0210115

Reason: EXCEPTION_ACCESS_VIOLATION_READ

Top 10 frames of crashing thread:

0 xul.dll mozilla::ClearSiteData::Observe toolkit/components/clearsitedata/ClearSiteData.cpp:145
1 xul.dll nsObserverList::NotifyObservers xpcom/ds/nsObserverList.cpp:70
2 xul.dll nsObserverService::NotifyObservers xpcom/ds/nsObserverService.cpp:287
3 xul.dll mozilla::net::nsHttpHandler::NotifyObservers netwerk/protocol/http/nsHttpHandler.cpp:873
4 xul.dll mozilla::net::nsHttpChannel::OnStartRequest netwerk/protocol/http/nsHttpChannel.cpp:7458
5 xul.dll nsInputStreamPump::OnInputStreamReady netwerk/base/nsInputStreamPump.cpp:390
6 xul.dll nsInputStreamReadyEvent::Run xpcom/io/nsStreamUtils.cpp:94
7 xul.dll mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal xpcom/threads/TaskController.cpp:739
8 xul.dll nsThread::ProcessNextEvent xpcom/threads/nsThread.cpp:1200
9 xul.dll mozilla::ipc::MessagePump::Run ipc/glue/MessagePump.cpp:87
Flags: needinfo?(pbz)

Fixed by the backout of bug 1685355

Status: NEW → RESOLVED
Closed: 4 years ago
Resolution: --- → FIXED

Thanks for handling this so quickly!
Here is what led to the crash: https://bugzilla.mozilla.org/show_bug.cgi?id=1685355#c5

Flags: needinfo?(pbz)
Target Milestone: --- → 86 Branch
QA Whiteboard: [qa-86b-p2]
See Also: → 1687314
Has Regression Range: --- → yes
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