Closed Bug 879206 Opened 11 years ago Closed 9 years ago

crash in MustBeAccessible

Categories

(Core :: Disability Access APIs, defect)

20 Branch
All
Linux
defect
Not set
critical

Tracking

()

RESOLVED WORKSFORME
Tracking Status
firefox21 --- affected
firefox22 --- affected

People

(Reporter: scoobidiver, Unassigned)

References

Details

(Keywords: crash, regression)

Crash Data

It's #2 top browser crasher in 21.0 on Linux.
Currently, Aurora and Nightly are not affected (populations not representative or fixed).

Signature 	MustBeAccessible More Reports Search
UUID	0f4e3cc1-ed6e-4807-b55b-a80642130603
Date Processed	2013-06-03 11:21:50
Uptime	1999
Last Crash	10.4 weeks before submission
Install Age	2.3 weeks since version was first installed.
Install Time	2013-05-18 10:06:42
Product	Firefox
Version	21.0
Build ID	20130512194440
Release Channel	release
OS	Linux
OS Version	0.0.0 Linux 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:50:42 UTC 2011 i686
Build Architecture	x86
Build Architecture Info	GenuineIntel family 6 model 23 stepping 10
Crash Reason	SIGSEGV
Crash Address	0x0
App Notes 	
OpenGL: Tungsten Graphics, Inc -- Mesa DRI Intel(R) 965GM x86/MMX/SSE2 -- 2.1 Mesa 8.0.4 -- texture_from_pixmap
Processor Notes 	sp-processor06_phx1_mozilla_com_6723:2012; MDSW emitted too many frames, triggering truncation; exploitability tool: ERROR: unable to analyze dump
EMCheckCompatibility	True
Adapter Vendor ID	
Adapter Device ID	
Accessibility	Active

Frame 	Module 	Signature 	Source
0 	libxul.so 	MustBeAccessible 	nsAccessibilityService.cpp:92
1 	libxul.so 	nsRefPtr<nsNPAPIPluginInstance>::~nsRefPtr 	nsAutoPtr.h:880
2 	libxul.so 	nsAccessibilityService::CreatePluginAccessible 	nsAccessibilityService.cpp:254
3 	libpthread-2.15.so 	libpthread-2.15.so@0x8cbf 	
4 	libxul.so 	nsAccessibilityService::CreateAccessibleByFrameType 	nsAccessibilityService.cpp:1477
5 	firefox 	malloc_mutex_unlock 	jemalloc.c:1650
6 	libxul.so 	nsAccessibilityService::CreateHTMLAccessibleByMarkup 	nsAccessibilityService.cpp:1236
7 	libxul.so 	mozilla::a11y::aria::GetRoleMap 	nsARIAMap.cpp:711
8 	libxul.so 	nsAccessibilityService::GetOrCreateAccessible 	nsAccessibilityService.cpp:934
9 	libxul.so 	nsContainerFrame::GetChildList const 	nsContainerFrame.cpp:275
10 	libxul.so 	nsIFrame::GetFirstChild const 	nsIFrame.h:1100
11 	libmozalloc.so 	moz_xrealloc 	mozalloc.cpp:85
12 	libxul.so 	nsIFrame::GetFirstPrincipalChild const 	nsIFrame.h:1107
13 	libpthread-2.15.so 	libpthread-2.15.so@0x9c39 	
14 	libxul.so 	nsContainerFrame::GetChildList const 	nsContainerFrame.cpp:275
15 	libxul.so 	nsLayoutUtils::IsGeneratedContentFor 	nsLayoutUtils.cpp:750
16 	libxul.so 	nsLayoutUtils::GetAfterFrame 	nsLayoutUtils.cpp:698
17 	firefox 	arena_malloc 	jemalloc.c:4159
18 	libxul.so 	mozilla::dom::FragmentOrElement::GetChildren 	FragmentOrElement.cpp:702
19 	libxul.so 	nsTArray_SafeElementAtSmartPtrHelper<nsIContent, nsTArray_Impl<nsCOMPtr<nsIConte 	nsCOMPtr.h:449
20 	libxul.so 	mozilla::dom::FragmentOrElement::GetChildren 	FragmentOrElement.cpp:644
21 	libxul.so 	mozilla::a11y::TreeWalker::NextChildInternal 	TreeWalker.cpp:91
22 	libmozalloc.so 	moz_xmalloc 	mozalloc.cpp:53
23 	libxul.so 	mozilla::dom::PannerNodeBinding::get_coneOuterAngle 	FloatingPoint.h:237
24 	libxul.so 	mozilla::a11y::TreeWalker::PushState 	TreeWalker.cpp:123
25 	libxul.so 	mozilla::a11y::TreeWalker::NextChildInternal 	TreeWalker.cpp:101
26 	libmozalloc.so 	moz_xmalloc 	mozalloc.cpp:53
27 	libfontconfig.so.1.4.4 	libfontconfig.so.1.4.4@0x197dc 	
28 	libxul.so 	mozilla::a11y::TreeWalker::TreeWalker 	TreeWalker.cpp:41
29 	libxul.so 	mozilla::a11y::Accessible::CacheChildren 	TreeWalker.h:38
30 	libxul.so 	mozilla::a11y::Accessible::EnsureChildren 	Accessible.cpp:3059
31 	libxul.so 	mozilla::TimeStamp::Startup 	TimeStamp_posix.cpp:89
32 	libxul.so 	mozilla::a11y::DocAccessible::ProcessContentInserted 	Accessible.h:316
33 	libxul.so 	mozilla::a11y::NotificationController::ContentInsertion::Process 	NotificationController.cpp:422
34 	libxul.so 	mozilla::a11y::NotificationController::WillRefresh 	NotificationController.cpp:201
35 	libxul.so 	mozilla::a11y::NotificationController::ContentInsertion::~ContentInsertion 	NotificationController.h:236
36 	libxul.so 	nsRefPtr<nsARefreshObserver>::~nsRefPtr 	nsAutoPtr.h:880
37 	libxul.so 	mozilla::a11y::NotificationController::WillRefresh 	NotificationController.cpp:145
38 	libxul.so 	nsRefreshDriver::Tick 	nsRefreshDriver.cpp:859
39 	firefox 	malloc_mutex_unlock 	jemalloc.c:1657
40 	libmozalloc.so 	moz_xmalloc 	mozalloc.cpp:54 
...

More reports at:
https://crash-stats.mozilla.com/report/list?signature=MustBeAccessible
The spike had lasted from May 29, 19:00 to May 30, 8:30.
Keywords: topcrashneedURLs
Can't find any crashes since 41. Now that 42 is released let's close, and reopen if it reappears.
Status: NEW → RESOLVED
Closed: 9 years ago
Resolution: --- → WORKSFORME
See Also: → 1256260
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