[Bug 36902] New: valgrind shows an unitialized variable in dlls/ieframe/tests/ie.c (nsLayoutStatics::Initialize)
wine-bugs at winehq.org
wine-bugs at winehq.org
Tue Jul 15 20:21:39 CDT 2014
https://bugs.winehq.org/show_bug.cgi?id=36902
Bug ID: 36902
Summary: valgrind shows an unitialized variable in
dlls/ieframe/tests/ie.c (nsLayoutStatics::Initialize)
Product: Wine
Version: 1.7.22
Hardware: x86
OS: Linux
Status: NEW
Keywords: download, source, testcase, valgrind
Severity: normal
Priority: P2
Component: ieframe
Assignee: wine-bugs at winehq.org
Reporter: austinenglish at gmail.com
==1236== Conditional jump or move depends on uninitialised value(s)
==1236== at 0x1040032C: nsFocusManager::Release (in
/home/austin/.wine/drive_c/windows/system32/gecko/2.24/wine_gecko/xul.dll)
==1236== by 0x100DC893: nsPrefBranch::AddObserver (nsprefbranch.cpp:641)
==1236== by 0x100D8578: mozilla::Preferences::AddWeakObserver
(preferences.cpp:1411)
==1236== by 0x10117D70: nsLayoutStatics::Initialize
(nslayoutstatics.cpp:244)
==1236== by 0x109DA397: nsComponentManagerImpl::CreateInstanceByContractID
(nscomponentmanager.cpp:1089)
==1236== by 0x109DA807: nsComponentManagerImpl::GetServiceByContractID
(nscomponentmanager.cpp:1449)
==1236== by 0x109B458A: CallGetService (nscomponentmanagerutils.cpp:62)
==1236== by 0x109B977E: NS_InitXPCOM2 (nsxpcominit.cpp:489)
==1236== by 0x75E81B3: init_xpcom (nsembed.c:698)
==1236== by 0x75E8626: load_gecko (nsembed.c:774)
==1236== by 0x75ED013: create_nscontainer (nsembed.c:2042)
==1236== by 0x756D477: HTMLDocument_Create (htmldoc.c:4756)
==1236== by 0x75D7178: ClassFactory_CreateInstance (main.c:238)
==1236== by 0x4EEE0A2: CoCreateInstance (unknwn.h:226)
==1236== by 0x4E152B2: create_mime_object (binding.c:258)
==1236== by 0x4E15652: create_object (binding.c:308)
==1236== by 0x4E181E8: report_data (binding.c:1077)
==1236== by 0x4E18531: InternetProtocolSink_ReportData (binding.c:1126)
==1236== by 0x4E1D8F0: ProtocolSinkHandler_ReportData (urlmon.h:3113)
==1236== by 0x4E1E441: report_data_proc (urlmon.h:3113)
==1236== Uninitialised value was created by a client request
==1236== at 0x7BC4C4D6: mark_block_uninitialized (heap.c:209)
==1236== by 0x7BC4C641: initialize_block (heap.c:240)
==1236== by 0x7BC50F4D: RtlAllocateHeap (heap.c:1717)
==1236== by 0x782A76B: msvcrt_heap_alloc (heap.c:70)
==1236== by 0x782B330: MSVCRT_malloc (heap.c:408)
==1236== by 0x80C71095: moz_xmalloc (mozalloc.cpp:54)
==1236== by 0x109B96F7: NS_InitXPCOM2 (nsxpcominit.cpp:464)
==1236== by 0x75E81B3: init_xpcom (nsembed.c:698)
==1236== by 0x75E8626: load_gecko (nsembed.c:774)
==1236== by 0x75ED013: create_nscontainer (nsembed.c:2042)
==1236== by 0x756D477: HTMLDocument_Create (htmldoc.c:4756)
==1236== by 0x75D7178: ClassFactory_CreateInstance (main.c:238)
==1236== by 0x4EEE0A2: CoCreateInstance (unknwn.h:226)
==1236== by 0x4E152B2: create_mime_object (binding.c:258)
==1236== by 0x4E15652: create_object (binding.c:308)
==1236== by 0x4E181E8: report_data (binding.c:1077)
==1236== by 0x4E18531: InternetProtocolSink_ReportData (binding.c:1126)
==1236== by 0x4E1D8F0: ProtocolSinkHandler_ReportData (urlmon.h:3113)
==1236== by 0x4E1E441: report_data_proc (urlmon.h:3113)
==1236== by 0x4E1A10E: process_tasks (bindprot.c:57)
==1236==
I see several variations of this pattern, here's the exact suppression I'm
using for this issue:
{
<insert_a_suppression_name_here>
Memcheck:Cond
fun:nsFocusManager::Release
...
fun:nsLayoutStatics::Initialize
fun:nsComponentManagerImpl::CreateInstanceByContractID
fun:nsComponentManagerImpl::GetServiceByContractID
fun:CallGetService
fun:NS_InitXPCOM2
fun:init_xpcom
fun:load_gecko
fun:create_nscontainer
fun:HTMLDocument_Create
fun:ClassFactory_CreateInstance
fun:CoCreateInstance
fun:create_mime_object
fun:create_object
fun:report_data
fun:InternetProtocolSink_ReportData
fun:ProtocolSinkHandler_ReportData
...
}
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