1794364 - Crash in [@ PLDHashTable::EntryStore::IsAllocated | PLDHashTable::Search | mozilla::a11y::RemoteAccessibleBase<T>::Document]

Status: RESOLVED WORKSFORME

(Core :: Disability Access APIs, defect)

Description

[Gabriele Svelto [:gsvelto]]

Crash report: https://crash-stats.mozilla.org/report/index/22c37cd9-9014-4075-a561-faa720221008

Reason: EXCEPTION_ACCESS_VIOLATION_READ

Top 10 frames of crashing thread:

0 xul.dll PLDHashTable::EntryStore::IsAllocated const xpcom/ds/PLDHashTable.h:325
0 xul.dll PLDHashTable::Search const xpcom/ds/PLDHashTable.cpp:496
1 xul.dll mozilla::a11y::RemoteAccessibleBase<mozilla::a11y::RemoteAccessible>::Document const accessible/ipc/RemoteAccessibleBase.h:255
1 xul.dll mozilla::a11y::RemoteAccessibleBase<mozilla::a11y::RemoteAccessible>::RemoteParent const accessible/ipc/RemoteAccessibleBase.cpp:192
2 xul.dll mozilla::a11y::Accessible::FocusedChild accessible/basetypes/Accessible.cpp:80
3 xul.dll mozilla::a11y::MsaaAccessible::get_accFocus accessible/windows/msaa/MsaaAccessible.cpp:1290
4 oleacc.dll AccWrap_Base::get_accFocus 
5 oleacc.dll AccWrap_Annotate::get_accFocus 
6 uiautomationcore.dll AccUtils::get_accFocus 
7 uiautomationcore.dll AccNavUtils::HitTestOrFocus 

This is a NULL-pointer access, comments suggest that this happens when right clicking on something:

Had just right-clicked to copy some text

Right click in brightspace LMS crashed it.

Poogde een item aan LastPass toe te voegen (Dutch: tried to add an item to LastPass)

Comment 1

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

Since the crash volume is low (less than 5 per week), the severity is downgraded to S3. Feel free to change it back if you think the bug is still critical.

For more information, please visit auto_nag documentation.

Comment 2

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

Closing because no crashes reported for 12 weeks.