[lmi] Suspected stack corruption

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[lmi] Suspected stack corruption

From:	Greg Chicares
Subject:	[lmi] Suspected stack corruption
Date:	Thu, 10 Dec 2015 13:46:52 +0000
User-agent:	Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.3.0
I'm planning a change to move a const_cast deep into a library where it
belongs. While exploring ways to test it, I inserted the following
deliberate mistake:

 renderer_type_convertor const& renderer_type_convertor::get(any_member<Input> 
const& value)
     else if(0 != 
reconstitutor<datum_sequence,Input>::reconstitute(nonconst_value))
         {
+return get_impl<renderer_enum_convertor>();
         return get_impl<renderer_sequence_convertor>();
         }

I was hoping for an assertion failure, but got a segfault, and a segfault
is always a defect. Steps to reproduce with the above change:

/opt/lmi/bin[0]$./lmi_wx_shared --ash_nazg --data_path=/opt/lmi/data
File | Open | [any saved census with a nondefault input sequence]
Click OK when this messagebox appears:
  Error
  Cannot cast from 'M5Input16numeric_sequence' to '12mc_enum_base'.
Pull down the "File" menu and it crashes.

[msw-xp, wx_commit_sha 0b821adf903872b6d8b56630d2191c5b9c3362e5]

Hmmm--it was an access violation with the first test case I stumbled upon,
but this one produces a privileged-instruction error, suggesting a wild
pointer or stack corruption. Report from JIT debugger:

lmi_wx_shared.exe caused a Privileged Instruction at location 03ae0f1f.

Registers:
eax=02511480 ebx=00000000 ecx=00000000 edx=0022f3dc esi=03162148 edi=00000000
eip=03ae0f1f esp=0022ec34 ebp=0022ec60 iopl=0         nv up ei pl nz na po nc
cs=001b  ss=0023  ds=0023  es=0023  fs=0038  gs=0000             efl=00000206

Call stack:
AddrPC     AddrReturn AddrFrame  AddrStack  Params
03AE0F1F   64182914   0022EC60   0022EC34   024E74C0   00000000   0022F3DC   
0022EF04
03AE0F1F
64182914   64159B99   0022EEF0   0022EC34   024E74C0   0022EF10   0000002C   
00000000
64182914  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:64182914C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN8wxWindow16MSWHandleMessageEPljjl
64159B99   64143BC4   0022EF20   0022EC34   024E74C0   0000002C   00000000   
0022F3DC
64159B99  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:64159B99C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN8wxWindow13MSWWindowProcEjjl
64143BC4   641FCCD7   0022EF50   0022EC34   024E74C0   0000002C   00000000   
0022F3DC
64143BC4  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:64143BC4C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN19wxTopLevelWindowMSW13MSWWindowProcEjjl
641FCCD7   64236505   0022F000   0022EC34   024E74C0   0000002C   00000000   
0022F3DC
641FCCD7  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:641FCCD7C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN7wxFrame13MSWWindowProcEjjl
64236505   64161A10   0022F280   0022EC34   024E74C0   0000002C   00000000   
0022F3DC
64236505  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:64236505C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN16wxMDIParentFrame13MSWWindowProcEjjl
64161A10   7E418734   0022F2B0   0022EC34   003903DC   0000002C   00000000   
0022F3DC
64161A10  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:64161A10C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  address@hidden
7E418734   7E418816   0022F2DC   0022EC34   64161960   003903DC   0000002C   
00000000
7E418734  USER32.dll:7E418734  GetDC
7E418816   7E428EA0   0022F344   0022EC34   00000000   64161960   003903DC   
0000002C
7E418816  USER32.dll:7E418816  GetDC
7E428EA0   7E44F683   0022F398   0022EC34   01D0DBF0   0000002C   00000000   
0022F3DC
7E428EA0  USER32.dll:7E428EA0  DefWindowProcW
7E44F683   7C90E453   0022F3C0   0022EC34   0022F3D0   0000002C   01D0DBF0   
0000002C
7E44F683  USER32.dll:7E44F683  IsCharAlphaNumericA
7C90E453   7E43053B   0022F44C   0022EC34   008A03D6   00000112   0000F100   
00000066
7C90E453  ntdll.dll:7C90E453  KiUserCallbackDispatcher
7E43053B   7E4304BD   0022F484   0022EC34   008A03D6   00000112   0000F100   
00000066
7E43053B  USER32.dll:7E43053B  ChangeClipboardChain
7E4304BD   7E418734   0022F4A0   0022EC34   008A03D6   00000112   0000F100   
00000066
7E4304BD  USER32.dll:7E4304BD  ChangeClipboardChain
7E418734   7E418816   0022F4CC   0022EC34   7E43049B   008A03D6   00000112   
0000F100
7E418734  USER32.dll:7E418734  GetDC
7E418816   7E42A013   0022F534   0022EC34   00000000   7E43049B   008A03D6   
00000112
7E418816  USER32.dll:7E418816  GetDC
7E42A013   7E42A039   0022F564   0022EC34   7E43049B   008A03D6   00000112   
0000F100
7E42A013  USER32.dll:7E42A013  IsWindowUnicode
7E42A039   6415CF29   0022F584   0022EC34   7E43049B   008A03D6   00000112   
0000F100
7E42A039  USER32.dll:7E42A039  CallWindowProcW
6415CF29   64159BCA   0022F654   0022EC34   024E9710   00000112   0000F100   
00000066
6415CF29  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:6415CF29C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN8wxWindow16MSWDefWindowProcEjjl
64159BCA   64161A10   0022F684   0022EC34   024E9710   00000112   0000F100   
00000066
64159BCA  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:64159BCAC:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN8wxWindow13MSWWindowProcEjjl
64161A10   7E418734   0022F6B4   0022EC34   008A03D6   00000112   0000F100   
00000066
64161A10  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:64161A10C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  address@hidden
7E418734   7E418816   0022F6E0   0022EC34   64161960   008A03D6   00000112   
0000F100
7E418734  USER32.dll:7E418734  GetDC
7E418816   7E428EA0   0022F748   0022EC34   00000000   64161960   008A03D6   
00000112
7E418816  USER32.dll:7E418816  GetDC
7E428EA0   7E428EEC   0022F79C   0022EC34   01D6A740   00000112   0000F100   
00000066
7E428EA0  USER32.dll:7E428EA0  DefWindowProcW
7E428EEC   7C90E453   0022F7C4   0022EC34   0022F7D4   00000018   01D6A740   
00000112
7E428EEC  USER32.dll:7E428EEC  DefWindowProcW
7C90E453   7E43053B   0022F83C   0022EC34   008A03D6   00000106   00000066   
20210001
7C90E453  ntdll.dll:7C90E453  KiUserCallbackDispatcher
7E43053B   7E4304BD   0022F874   0022EC34   008A03D6   00000106   00000066   
20210001
7E43053B  USER32.dll:7E43053B  ChangeClipboardChain
7E4304BD   7E418734   0022F890   0022EC34   008A03D6   00000106   00000066   
20210001
7E4304BD  USER32.dll:7E4304BD  ChangeClipboardChain
7E418734   7E418816   0022F8BC   0022EC34   7E43049B   008A03D6   00000106   
00000066
7E418734  USER32.dll:7E418734  GetDC
7E418816   7E42A013   0022F924   0022EC34   00000000   7E43049B   008A03D6   
00000106
7E418816  USER32.dll:7E418816  GetDC
7E42A013   7E42A039   0022F954   0022EC34   7E43049B   008A03D6   00000106   
00000066
7E42A013  USER32.dll:7E42A013  IsWindowUnicode
7E42A039   6415CF29   0022F974   0022EC34   7E43049B   008A03D6   00000106   
00000066
7E42A039  USER32.dll:7E42A039  CallWindowProcW
6415CF29   64159BCA   0022FA44   0022EC34   024E9710   00000106   00000066   
20210001
6415CF29  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:6415CF29C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN8wxWindow16MSWDefWindowProcEjjl
64159BCA   64161A10   0022FA74   0022EC34   024E9710   00000106   00000066   
20210001
64159BCA  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:64159BCAC:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN8wxWindow13MSWWindowProcEjjl
64161A10   7E418734   0022FAA4   0022EC34   008A03D6   00000106   00000066   
20210001
64161A10  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:64161A10C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  address@hidden
7E418734   7E418816   0022FAD0   0022EC34   64161960   008A03D6   00000106   
00000066
7E418734  USER32.dll:7E418734  GetDC
7E418816   7E4189CD   0022FB38   0022EC34   00000000   64161960   008A03D6   
00000106
7E418816  USER32.dll:7E418816  GetDC
7E4189CD   7E418A10   0022FB98   0022EC34   0022FBE0   00000000   0022FBC8   
641F2565
7E4189CD  USER32.dll:7E4189CD  GetWindowLongW
7E418A10   641F2565   0022FBA8   0022EC34   0022FBE0   0022FBE0   FFFFFFFF   
00000000
7E418A10  USER32.dll:7E418A10  DispatchMessageW
641F2565   641F25AC   0022FBC8   0022EC34   024FD8D8   0022FBE0   00000000   
00000000
641F2565  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:641F2565C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN14wxGUIEventLoop14ProcessMessageEP6tagMSG
641F25AC   63D9515F   0022FC08   0022EC34   024FD8D8   0040D05C   0022FC88   
63D95213
641F25AC  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:641F25ACC:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN14wxGUIEventLoop8DispatchEv
63D9515F   63D95213   0022FC18   0022EC34   024FD8D8   77C12088   FFFFFFFF   
77C2C3CE
63D9515F  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:63D9515FC:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN17wxEventLoopManual13ProcessEventsEv
63D95213   63D954AA   0022FC88   0022EC34   024FD8D8   00000000   0022FFE0   
0040D05C
63D95213  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:63D95213C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN17wxEventLoopManual5DoRunEv
63D954AA   63D4B7B6   0022FD38   0022EC34   024FD8D8   00000000   0022FE48   
023C39D0
63D954AA  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:63D954AAC:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN15wxEventLoopBase3RunEv
63D4B7B6   63E16250   0022FDC8   0022EC34   020FFD98   020FF778   649D2B18   
0022FE30
63D4B7B6  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:63D4B7B6C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _ZN16wxAppConsoleBase8MainLoopEv
63E16250   0040145D   0022FE58   0022EC34   64B1B740   020FF778   00252331   
0000000A
63E16250  
wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:63E16250C:\opt\lmi\local\lib\wxmsw310u_gcc_gcc-345-ac28a959aabe36e26ea039ed78a51b54.dll:
 No symbol found
  _Z12wxInitializev
0040145D   00405F98   0022FEF8   0022EC34   00400000   00000000   00252331   
0000000A
0040145D  lmi_wx_shared.exe:0040145DC:\opt\lmi\bin\lmi_wx_shared.exe: No symbol 
found

00405F98   0040124B   0022FF78   0022EC34   00000003   020F95E0   003F2CA8   
0040E000
00405F98  lmi_wx_shared.exe:00405F98C:\opt\lmi\bin\lmi_wx_shared.exe: No symbol 
found

0040124B   004012B8   0022FFB0   0022EC34   00000002   00000009   0022FFF0   
7C817067
0040124B  lmi_wx_shared.exe:0040124BC:\opt\lmi\bin\lmi_wx_shared.exe: No symbol 
found

004012B8   7C817067   0022FFC0   0022EC34   00000000   00000000   7FFDD000   
C0000096
004012B8  lmi_wx_shared.exe:004012B8C:\opt\lmi\bin\lmi_wx_shared.exe: No symbol 
found

7C817067   00000000   0022FFF0   0022EC34   004012A0   00000000   78746341   
00000020
7C817067  kernel32.dll:7C817067  RegisterWaitForInputIdle
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