[Bug 36907] New: valgrind shows an unitialized variable in dlls/ieframe/tests/ie.c (nsEventStateManager::Release)

https://bugs.winehq.org/show_bug.cgi?id=36907

Bug ID: 36907
           Summary: valgrind shows an unitialized variable in
                    dlls/ieframe/tests/ie.c (nsEventStateManager::Release)
           Product: Wine
           Version: 1.7.22
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase, valgrind
          Severity: normal
          Priority: P2
         Component: ieframe
          Assignee: [e-mail]
          Reporter: [e-mail]

==24012== Conditional jump or move depends on uninitialised value(s)
==24012==    at 0x103064CA: nsEventStateManager::Release (in
/home/austin/.wine/drive_c/windows/system32/gecko/2.24/wine_gecko/xul.dll)
==24012==  Uninitialised value was created by a client request
==24012==    at 0x7BC4C4D6: mark_block_uninitialized (heap.c:209)
==24012==    by 0x7BC4C641: initialize_block (heap.c:240)
==24012==    by 0x7BC50F4D: RtlAllocateHeap (heap.c:1717)
==24012==    by 0x6FA276B: msvcrt_heap_alloc (heap.c:70)
==24012==    by 0x6FA3330: MSVCRT_malloc (heap.c:408)
==24012==    by 0x80D71095: moz_xmalloc (mozalloc.cpp:54)
==24012==    by 0x109B96F7: NS_InitXPCOM2 (nsxpcominit.cpp:464)
==24012==    by 0x6D601B3: init_xpcom (nsembed.c:698)
==24012==    by 0x6D60626: load_gecko (nsembed.c:774)
==24012==    by 0x6D65013: create_nscontainer (nsembed.c:2042)
==24012==    by 0x6CE5477: HTMLDocument_Create (htmldoc.c:4756)
==24012==    by 0x6D4F178: ClassFactory_CreateInstance (main.c:238)
==24012==    by 0x4EF20A2: CoCreateInstance (unknwn.h:226)
==24012==    by 0x4E192B2: create_mime_object (binding.c:258)
==24012==    by 0x4E19652: create_object (binding.c:308)
==24012==    by 0x4E1C1E8: report_data (binding.c:1077)
==24012==    by 0x4E1C531: InternetProtocolSink_ReportData (binding.c:1126)
==24012==    by 0x4E218F0: ProtocolSinkHandler_ReportData (urlmon.h:3113)
==24012==    by 0x4E22441: report_data_proc (urlmon.h:3113)
==24012==    by 0x4E1E10E: process_tasks (bindprot.c:57)
==24012==

[Bug 36907] valgrind shows an unitialized variable in dlls/ieframe/tests/ie.c (nsEventStateManager::Release)

https://bugs.winehq.org/show_bug.cgi?id=36907

--- Comment #1 from Austin English  ---
A few more:
==24504== Conditional jump or move depends on uninitialised value(s)
==24504==    at 0x103064CA: nsEventStateManager::Release (in
/home/austin/.wine/drive_c/windows/system32/gecko/2.24/wine_gecko/xul.dll)
==24504==  Uninitialised value was created by a client request
==24504==    at 0x7BC4C4D6: mark_block_uninitialized (heap.c:209)
==24504==    by 0x7BC4C641: initialize_block (heap.c:240)
==24504==    by 0x7BC50F4D: RtlAllocateHeap (heap.c:1717)
==24504==    by 0x6F9176B: msvcrt_heap_alloc (heap.c:70)
==24504==    by 0x6F92330: MSVCRT_malloc (heap.c:408)
==24504==    by 0x80C71095: moz_xmalloc (mozalloc.cpp:54)
==24504==    by 0x109B96F7: NS_InitXPCOM2 (nsxpcominit.cpp:464)
==24504==    by 0x6D4F1B3: init_xpcom (nsembed.c:698)
==24504==    by 0x6D4F626: load_gecko (nsembed.c:774)
==24504==    by 0x6D54013: create_nscontainer (nsembed.c:2042)
==24504==    by 0x6CD4477: HTMLDocument_Create (htmldoc.c:4756)
==24504==    by 0x6D3E178: ClassFactory_CreateInstance (main.c:238)
==24504==    by 0x4EE10A2: CoCreateInstance (unknwn.h:226)
==24504==    by 0x4E042B2: create_mime_object (binding.c:258)
==24504==    by 0x4E04652: create_object (binding.c:308)
==24504==    by 0x4E071E8: report_data (binding.c:1077)
==24504==    by 0x4E07531: InternetProtocolSink_ReportData (binding.c:1126)
==24504==    by 0x4E0C8F0: ProtocolSinkHandler_ReportData (urlmon.h:3113)
==24504==    by 0x4E0D441: report_data_proc (urlmon.h:3113)
==24504==    by 0x4E0910E: process_tasks (bindprot.c:57)
==24504==

==24504== Conditional jump or move depends on uninitialised value(s)
==24504==    at 0x1030650D: nsEventStateManager::Release (in
/home/austin/.wine/drive_c/windows/system32/gecko/2.24/wine_gecko/xul.dll)
==24504==    by 0x100DB4AF: PrefCallback::PrefCallback (nsprefbranch.h:67)
==24504==    by 0x100DC893: nsPrefBranch::AddObserver (nsprefbranch.cpp:641)
==24504==    by 0x100D8578: mozilla::Preferences::AddWeakObserver
(preferences.cpp:1411)
==24504==    by 0x1015B623: nsPresContext::Init (nsprescontext.cpp:1014)
==24504==    by 0x1014C61E: nsDocumentViewer::InitInternal
(nsdocumentviewer.cpp:865)
==24504==    by 0x1014D13C: nsDocumentViewer::Init (nsdocumentviewer.cpp:683)
==24504==    by 0x109B3C6C: nsCOMPtr_base::assign_from_qi_with_error
(nscomptr.cpp:65)
==24504==    by 0x800EEB43: ???
==24504==  Uninitialised value was created by a client request
==24504==    at 0x7BC4C4D6: mark_block_uninitialized (heap.c:209)
==24504==    by 0x7BC4C641: initialize_block (heap.c:240)
==24504==    by 0x7BC50F4D: RtlAllocateHeap (heap.c:1717)
==24504==    by 0x6F9176B: msvcrt_heap_alloc (heap.c:70)
==24504==    by 0x6F92330: MSVCRT_malloc (heap.c:408)
==24504==    by 0x80C71095: moz_xmalloc (mozalloc.cpp:54)
==24504==    by 0x109B96F7: NS_InitXPCOM2 (nsxpcominit.cpp:464)
==24504==    by 0x6D4F1B3: init_xpcom (nsembed.c:698)
==24504==    by 0x6D4F626: load_gecko (nsembed.c:774)
==24504==    by 0x6D54013: create_nscontainer (nsembed.c:2042)
==24504==    by 0x6CD4477: HTMLDocument_Create (htmldoc.c:4756)
==24504==    by 0x6D3E178: ClassFactory_CreateInstance (main.c:238)
==24504==    by 0x4EE10A2: CoCreateInstance (unknwn.h:226)
==24504==    by 0x4E042B2: create_mime_object (binding.c:258)
==24504==    by 0x4E04652: create_object (binding.c:308)
==24504==    by 0x4E071E8: report_data (binding.c:1077)
==24504==    by 0x4E07531: InternetProtocolSink_ReportData (binding.c:1126)
==24504==    by 0x4E0C8F0: ProtocolSinkHandler_ReportData (urlmon.h:3113)
==24504==    by 0x4E0D441: report_data_proc (urlmon.h:3113)
==24504==    by 0x4E0910E: process_tasks (bindprot.c:57)
==24504==

==24504== Conditional jump or move depends on uninitialised value(s)
==24504==    at 0x1030650D: nsEventStateManager::Release (in
/home/austin/.wine/drive_c/windows/system32/gecko/2.24/wine_gecko/xul.dll)
==24504==    by 0x100DC893: nsPrefBranch::AddObserver (nsprefbranch.cpp:641)
==24504==    by 0x100D8578: mozilla::Preferences::AddWeakObserver
(preferences.cpp:1411)
==24504==    by 0x1015B623: nsPresContext::Init (nsprescontext.cpp:1014)
==24504==    by 0x1014C61E: nsDocumentViewer::InitInternal
(nsdocumentviewer.cpp:865)
==24504==    by 0x1014D13C: nsDocumentViewer::Init (nsdocumentviewer.cpp:683)
==24504==    by 0x109B3C6C: nsCOMPtr_base::assign_from_qi_with_error
(nscomptr.cpp:65)
==24504==    by 0x800EEB43: ???
==24504==  Uninitialised value was created by a client request
==24504==    at 0x7BC4C4D6: mark_block_uninitialized (heap.c:209)
==24504==    by 0x7BC4C641: initialize_block (heap.c:240)
==24504==    by 0x7BC50F4D: RtlAllocateHeap (heap.c:1717)
==24504==    by 0x6F9176B: msvcrt_heap_alloc (heap.c:70)
==24504==    by 0x6F92330: MSVCRT_malloc (heap.c:408)
==24504==    by 0x80C71095: moz_xmalloc (mozalloc.cpp:54)
==24504==    by 0x109B96F7: NS_InitXPCOM2 (nsxpcominit.cpp:464)
==24504==    by 0x6D4F1B3: init_xpcom (nsembed.c:698)
==24504==    by 0x6D4F626: load_gecko (nsembed.c:774)
==24504==    by 0x6D54013: create_nscontainer (nsembed.c:2042)
==24504==    by 0x6CD4477: HTMLDocument_Create (htmldoc.c:4756)
==24504==    by 0x6D3E178: ClassFactory_CreateInstance (main.c:238)
==24504==    by 0x4EE10A2: CoCreateInstance (unknwn.h:226)
==24504==    by 0x4E042B2: create_mime_object (binding.c:258)
==24504==    by 0x4E04652: create_object (binding.c:308)
==24504==    by 0x4E071E8: report_data (binding.c:1077)
==24504==    by 0x4E07531: InternetProtocolSink_ReportData (binding.c:1126)
==24504==    by 0x4E0C8F0: ProtocolSinkHandler_ReportData (urlmon.h:3113)
==24504==    by 0x4E0D441: report_data_proc (urlmon.h:3113)
==24504==    by 0x4E0910E: process_tasks (bindprot.c:57)
==24504==

==24504== Conditional jump or move depends on uninitialised value(s)
==24504==    at 0x1030650D: nsEventStateManager::Release (in
/home/austin/.wine/drive_c/windows/system32/gecko/2.24/wine_gecko/xul.dll)
==24504==    by 0x100D8578: mozilla::Preferences::AddWeakObserver
(preferences.cpp:1411)
==24504==    by 0x1015B623: nsPresContext::Init (nsprescontext.cpp:1014)
==24504==    by 0x1014C61E: nsDocumentViewer::InitInternal
(nsdocumentviewer.cpp:865)
==24504==    by 0x1014D13C: nsDocumentViewer::Init (nsdocumentviewer.cpp:683)
==24504==    by 0x109B3C6C: nsCOMPtr_base::assign_from_qi_with_error
(nscomptr.cpp:65)
==24504==    by 0x800EEB43: ???
==24504==  Uninitialised value was created by a client request
==24504==    at 0x7BC4C4D6: mark_block_uninitialized (heap.c:209)
==24504==    by 0x7BC4C641: initialize_block (heap.c:240)
==24504==    by 0x7BC50F4D: RtlAllocateHeap (heap.c:1717)
==24504==    by 0x6F9176B: msvcrt_heap_alloc (heap.c:70)
==24504==    by 0x6F92330: MSVCRT_malloc (heap.c:408)
==24504==    by 0x80C71095: moz_xmalloc (mozalloc.cpp:54)
==24504==    by 0x109B96F7: NS_InitXPCOM2 (nsxpcominit.cpp:464)
==24504==    by 0x6D4F1B3: init_xpcom (nsembed.c:698)
==24504==    by 0x6D4F626: load_gecko (nsembed.c:774)
==24504==    by 0x6D54013: create_nscontainer (nsembed.c:2042)
==24504==    by 0x6CD4477: HTMLDocument_Create (htmldoc.c:4756)
==24504==    by 0x6D3E178: ClassFactory_CreateInstance (main.c:238)
==24504==    by 0x4EE10A2: CoCreateInstance (unknwn.h:226)
==24504==    by 0x4E042B2: create_mime_object (binding.c:258)
==24504==    by 0x4E04652: create_object (binding.c:308)
==24504==    by 0x4E071E8: report_data (binding.c:1077)
==24504==    by 0x4E07531: InternetProtocolSink_ReportData (binding.c:1126)
==24504==    by 0x4E0C8F0: ProtocolSinkHandler_ReportData (urlmon.h:3113)
==24504==    by 0x4E0D441: report_data_proc (urlmon.h:3113)
==24504==    by 0x4E0910E: process_tasks (bindprot.c:57)
==24504==