Access Violation calling ReportLeaksNow
Posted: Wed Apr 13, 2022 2:52 pm
I'm trying to use the ReportLeaksNow function in a Delphi 7 application. As a test I've created a new application, added a button and the following code:
procedure TForm1.btn1Click(Sender: TObject);
begin
TStringList.Create;
ReportLeaksNow(True);
end;
madExcept has been enabled and report resource leaks is turned on.
When I click the button I see the "Creating Leak Report" message, but I then get the madExcept bug report shown below.
Am I doing something wrong?
Mike
date/time : 2022-04-13, 15:46:36, 92ms
computer name : XXXXXXX
user name : Mike.Bennett
registered owner : Windows User
operating system : Windows 10 x64 build 19044
system language : English
system up time : 7 hours 23 minutes
program up time : 9 seconds
processors : 8x Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
physical memory : 3086/16202 MB (free/total)
free disk space : (C:) 59.21 GB
display mode : 1536x864, 32 bit
process id : $56dc
allocated memory : 90.22 MB
largest free block : 1.24 GB
executable : LeakTest.exe
current module : madExcept32.dll
module date/time : 2015-09-10 13:54
version : 4.0.5.0
compiled with : Delphi XE2 --- This is odd as I'm using Delphi 7
madExcept version : 4.0.12
callstack crc : $77adf3a1, $e80272f0, $e80272f0
exception number : 1
exception class : EAccessViolation
exception message : Access violation at address 77ADF3A1 in module 'ntdll.dll'. Read of address 07DBFE28.
thread $5fac:
77adf3a1 +007b ntdll.dll
77abe7cd +008d ntdll.dll RtlLeaveCriticalSection
671dd630 +38a8 madExcept32.dll madExceptDbg 7855 +817 CreateLeakReport
671e0686 +00ae madExcept32.dll madExceptDbg 8453 +12 ReportLeaksNow
0045fe5f +0033 LeakTest.exe madExcept ReportLeaksNow
004afaa2 +000e LeakTest.exe Main 32 +1 TForm1.btn1Click
004901c0 +0064 LeakTest.exe Controls TControl.Click
00488914 +001c LeakTest.exe StdCtrls TButton.Click
00488a08 +000c LeakTest.exe StdCtrls TButton.CNCommand
00490028 +0188 LeakTest.exe Controls TControl.WndProc
00492f73 +0157 LeakTest.exe Controls TWinControl.WndProc
004887d8 +006c LeakTest.exe StdCtrls TButtonControl.WndProc
0048fdf8 +0024 LeakTest.exe Controls TControl.Perform
004930ab +0023 LeakTest.exe Controls DoControlMsg
00493703 +000b LeakTest.exe Controls TWinControl.WMCommand
004a9da8 +002c LeakTest.exe Forms TCustomForm.WMCommand
00490028 +0188 LeakTest.exe Controls TControl.WndProc
00492f73 +0157 LeakTest.exe Controls TWinControl.WndProc
004a7df9 +0421 LeakTest.exe Forms TCustomForm.WndProc
00492bf0 +002c LeakTest.exe Controls TWinControl.MainWndProc
00477ce4 +0014 LeakTest.exe Classes StdWndProc
77735a7a +006a user32.dll SendMessageW
77724246 +0016 user32.dll CallWindowProcA
00493057 +00d7 LeakTest.exe Controls TWinControl.DefaultHandler
004905c8 +0010 LeakTest.exe Controls TControl.WMLButtonUp
00490028 +0188 LeakTest.exe Controls TControl.WndProc
00492f73 +0157 LeakTest.exe Controls TWinControl.WndProc
004887d8 +006c LeakTest.exe StdCtrls TButtonControl.WndProc
00492bf0 +002c LeakTest.exe Controls TWinControl.MainWndProc
00477ce4 +0014 LeakTest.exe Classes StdWndProc
77727f5b +000b user32.dll DispatchMessageA
004ae153 +0083 LeakTest.exe Forms TApplication.ProcessMessage
004ae172 +000a LeakTest.exe Forms TApplication.HandleMessage
004ae3a2 +0096 LeakTest.exe Forms TApplication.Run
004afe17 +003b LeakTest.exe LeakTest 17 +3 initialization
7762fa27 +0017 KERNEL32.DLL BaseThreadInitThunk
thread $70f4:
7762fa27 +17 KERNEL32.DLL BaseThreadInitThunk
thread $6e20:
7762fa27 +17 KERNEL32.DLL BaseThreadInitThunk
thread $7054:
7762fa27 +17 KERNEL32.DLL BaseThreadInitThunk
thread $2c90:
7762fa27 +17 KERNEL32.DLL BaseThreadInitThunk
thread $1a3c:
7762fa27 +17 KERNEL32.DLL BaseThreadInitThunk
modules:
00400000 LeakTest.exe C:\TFS\Planet\Delphi\Tools\LeakTest
5a090000 wsock32.dll 6.2.19041.1 C:\WINDOWS\SYSTEM32
5ace0000 CoreMessaging.dll 6.2.19041.867 C:\WINDOWS\System32
5ad80000 CoreUIComponents.dll 6.2.19041.546 C:\WINDOWS\System32
5b000000 textinputframework.dll 6.2.19041.1503 C:\WINDOWS\SYSTEM32
66b10000 TextShaping.dll C:\WINDOWS\SYSTEM32
67100000 madExcept32.dll 4.0.5.0 C:\Program Files (x86)\madCollection\madExcept\Dlls
69a40000 dbghelp.dll 6.2.19041.1052 C:\WINDOWS\SYSTEM32
69cb0000 dbgcore.DLL 6.2.19041.546 C:\WINDOWS\SYSTEM32
69f00000 comctl32.DLL 6.10.19041.1110 C:\WINDOWS\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.19041.1110_none_a8625c1886757984
6a7f0000 wintypes.dll 6.2.19041.1348 C:\WINDOWS\SYSTEM32
6ca50000 propsys.dll 7.0.19041.1023 C:\WINDOWS\system32
726f0000 SspiCli.dll 6.2.19041.1586 C:\WINDOWS\SYSTEM32
729a0000 winspool.drv 6.2.19041.1566 C:\WINDOWS\SYSTEM32
72c50000 uxtheme.dll 6.2.19041.1566 C:\WINDOWS\system32
72cd0000 comctl32.dll 5.82.19041.1110 C:\WINDOWS\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.19041.1110_none_c0da534e38c01f4d
72d70000 ntmarta.dll 6.2.19041.546 C:\WINDOWS\SYSTEM32
74710000 Wldp.dll 6.2.19041.1566 C:\WINDOWS\SYSTEM32
74740000 windows.storage.dll 6.2.19041.1566 C:\WINDOWS\SYSTEM32
75660000 version.dll 6.2.19041.546 C:\WINDOWS\SYSTEM32
75940000 kernel.appcore.dll 6.2.19041.546 C:\WINDOWS\SYSTEM32
75950000 SHLWAPI.dll 6.2.19041.1023 C:\WINDOWS\System32
759a0000 oleaut32.dll 6.2.19041.985 C:\WINDOWS\System32
75aa0000 bcryptPrimitives.dll 6.2.19041.1415 C:\WINDOWS\System32
75b00000 MSCTF.dll 6.2.19041.1566 C:\WINDOWS\System32
75be0000 RPCRT4.dll 6.2.19041.1466 C:\WINDOWS\System32
75ca0000 WS2_32.dll 6.2.19041.546 C:\WINDOWS\System32
75d10000 shell32.dll 6.2.19041.1566 C:\WINDOWS\System32
762f0000 GDI32.dll 6.2.19041.1202 C:\WINDOWS\System32
76320000 gdi32full.dll 6.2.19041.1566 C:\WINDOWS\System32
76460000 ucrtbase.dll 6.2.19041.789 C:\WINDOWS\System32
76580000 combase.dll 6.2.19041.1566 C:\WINDOWS\System32
76800000 shcore.dll 6.2.19041.1566 C:\WINDOWS\System32
76890000 sechost.dll 6.2.19041.1586 C:\WINDOWS\System32
76930000 ole32.dll 6.2.19041.1202 C:\WINDOWS\System32
76a20000 IMM32.DLL 6.2.19041.546 C:\WINDOWS\System32
76a50000 clbcatq.dll 2001.12.10941.16384 C:\WINDOWS\System32
76ad0000 KERNELBASE.dll 6.2.19041.1586 C:\WINDOWS\System32
76d10000 comdlg32.dll 6.2.19041.1566 C:\WINDOWS\System32
76f10000 advapi32.dll 6.2.19041.1466 C:\WINDOWS\System32
76f90000 msvcp_win.dll 6.2.19041.789 C:\WINDOWS\System32
775c0000 CFGMGR32.dll 6.2.19041.1151 C:\WINDOWS\System32
77610000 KERNEL32.DLL 6.2.19041.1566 C:\WINDOWS\System32
77700000 user32.dll 6.2.19041.1586 C:\WINDOWS\System32
778a0000 win32u.dll 6.2.19041.1586 C:\WINDOWS\System32
779b0000 msvcrt.dll 7.0.19041.546 C:\WINDOWS\System32
77a80000 ntdll.dll 6.2.19041.1566 C:\WINDOWS\SYSTEM32
78620000 FaultRep.dll 6.2.19041.1566 C:\WINDOWS\SYSTEM32
procedure TForm1.btn1Click(Sender: TObject);
begin
TStringList.Create;
ReportLeaksNow(True);
end;
madExcept has been enabled and report resource leaks is turned on.
When I click the button I see the "Creating Leak Report" message, but I then get the madExcept bug report shown below.
Am I doing something wrong?
Mike
date/time : 2022-04-13, 15:46:36, 92ms
computer name : XXXXXXX
user name : Mike.Bennett
registered owner : Windows User
operating system : Windows 10 x64 build 19044
system language : English
system up time : 7 hours 23 minutes
program up time : 9 seconds
processors : 8x Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
physical memory : 3086/16202 MB (free/total)
free disk space : (C:) 59.21 GB
display mode : 1536x864, 32 bit
process id : $56dc
allocated memory : 90.22 MB
largest free block : 1.24 GB
executable : LeakTest.exe
current module : madExcept32.dll
module date/time : 2015-09-10 13:54
version : 4.0.5.0
compiled with : Delphi XE2 --- This is odd as I'm using Delphi 7
madExcept version : 4.0.12
callstack crc : $77adf3a1, $e80272f0, $e80272f0
exception number : 1
exception class : EAccessViolation
exception message : Access violation at address 77ADF3A1 in module 'ntdll.dll'. Read of address 07DBFE28.
thread $5fac:
77adf3a1 +007b ntdll.dll
77abe7cd +008d ntdll.dll RtlLeaveCriticalSection
671dd630 +38a8 madExcept32.dll madExceptDbg 7855 +817 CreateLeakReport
671e0686 +00ae madExcept32.dll madExceptDbg 8453 +12 ReportLeaksNow
0045fe5f +0033 LeakTest.exe madExcept ReportLeaksNow
004afaa2 +000e LeakTest.exe Main 32 +1 TForm1.btn1Click
004901c0 +0064 LeakTest.exe Controls TControl.Click
00488914 +001c LeakTest.exe StdCtrls TButton.Click
00488a08 +000c LeakTest.exe StdCtrls TButton.CNCommand
00490028 +0188 LeakTest.exe Controls TControl.WndProc
00492f73 +0157 LeakTest.exe Controls TWinControl.WndProc
004887d8 +006c LeakTest.exe StdCtrls TButtonControl.WndProc
0048fdf8 +0024 LeakTest.exe Controls TControl.Perform
004930ab +0023 LeakTest.exe Controls DoControlMsg
00493703 +000b LeakTest.exe Controls TWinControl.WMCommand
004a9da8 +002c LeakTest.exe Forms TCustomForm.WMCommand
00490028 +0188 LeakTest.exe Controls TControl.WndProc
00492f73 +0157 LeakTest.exe Controls TWinControl.WndProc
004a7df9 +0421 LeakTest.exe Forms TCustomForm.WndProc
00492bf0 +002c LeakTest.exe Controls TWinControl.MainWndProc
00477ce4 +0014 LeakTest.exe Classes StdWndProc
77735a7a +006a user32.dll SendMessageW
77724246 +0016 user32.dll CallWindowProcA
00493057 +00d7 LeakTest.exe Controls TWinControl.DefaultHandler
004905c8 +0010 LeakTest.exe Controls TControl.WMLButtonUp
00490028 +0188 LeakTest.exe Controls TControl.WndProc
00492f73 +0157 LeakTest.exe Controls TWinControl.WndProc
004887d8 +006c LeakTest.exe StdCtrls TButtonControl.WndProc
00492bf0 +002c LeakTest.exe Controls TWinControl.MainWndProc
00477ce4 +0014 LeakTest.exe Classes StdWndProc
77727f5b +000b user32.dll DispatchMessageA
004ae153 +0083 LeakTest.exe Forms TApplication.ProcessMessage
004ae172 +000a LeakTest.exe Forms TApplication.HandleMessage
004ae3a2 +0096 LeakTest.exe Forms TApplication.Run
004afe17 +003b LeakTest.exe LeakTest 17 +3 initialization
7762fa27 +0017 KERNEL32.DLL BaseThreadInitThunk
thread $70f4:
7762fa27 +17 KERNEL32.DLL BaseThreadInitThunk
thread $6e20:
7762fa27 +17 KERNEL32.DLL BaseThreadInitThunk
thread $7054:
7762fa27 +17 KERNEL32.DLL BaseThreadInitThunk
thread $2c90:
7762fa27 +17 KERNEL32.DLL BaseThreadInitThunk
thread $1a3c:
7762fa27 +17 KERNEL32.DLL BaseThreadInitThunk
modules:
00400000 LeakTest.exe C:\TFS\Planet\Delphi\Tools\LeakTest
5a090000 wsock32.dll 6.2.19041.1 C:\WINDOWS\SYSTEM32
5ace0000 CoreMessaging.dll 6.2.19041.867 C:\WINDOWS\System32
5ad80000 CoreUIComponents.dll 6.2.19041.546 C:\WINDOWS\System32
5b000000 textinputframework.dll 6.2.19041.1503 C:\WINDOWS\SYSTEM32
66b10000 TextShaping.dll C:\WINDOWS\SYSTEM32
67100000 madExcept32.dll 4.0.5.0 C:\Program Files (x86)\madCollection\madExcept\Dlls
69a40000 dbghelp.dll 6.2.19041.1052 C:\WINDOWS\SYSTEM32
69cb0000 dbgcore.DLL 6.2.19041.546 C:\WINDOWS\SYSTEM32
69f00000 comctl32.DLL 6.10.19041.1110 C:\WINDOWS\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.19041.1110_none_a8625c1886757984
6a7f0000 wintypes.dll 6.2.19041.1348 C:\WINDOWS\SYSTEM32
6ca50000 propsys.dll 7.0.19041.1023 C:\WINDOWS\system32
726f0000 SspiCli.dll 6.2.19041.1586 C:\WINDOWS\SYSTEM32
729a0000 winspool.drv 6.2.19041.1566 C:\WINDOWS\SYSTEM32
72c50000 uxtheme.dll 6.2.19041.1566 C:\WINDOWS\system32
72cd0000 comctl32.dll 5.82.19041.1110 C:\WINDOWS\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.19041.1110_none_c0da534e38c01f4d
72d70000 ntmarta.dll 6.2.19041.546 C:\WINDOWS\SYSTEM32
74710000 Wldp.dll 6.2.19041.1566 C:\WINDOWS\SYSTEM32
74740000 windows.storage.dll 6.2.19041.1566 C:\WINDOWS\SYSTEM32
75660000 version.dll 6.2.19041.546 C:\WINDOWS\SYSTEM32
75940000 kernel.appcore.dll 6.2.19041.546 C:\WINDOWS\SYSTEM32
75950000 SHLWAPI.dll 6.2.19041.1023 C:\WINDOWS\System32
759a0000 oleaut32.dll 6.2.19041.985 C:\WINDOWS\System32
75aa0000 bcryptPrimitives.dll 6.2.19041.1415 C:\WINDOWS\System32
75b00000 MSCTF.dll 6.2.19041.1566 C:\WINDOWS\System32
75be0000 RPCRT4.dll 6.2.19041.1466 C:\WINDOWS\System32
75ca0000 WS2_32.dll 6.2.19041.546 C:\WINDOWS\System32
75d10000 shell32.dll 6.2.19041.1566 C:\WINDOWS\System32
762f0000 GDI32.dll 6.2.19041.1202 C:\WINDOWS\System32
76320000 gdi32full.dll 6.2.19041.1566 C:\WINDOWS\System32
76460000 ucrtbase.dll 6.2.19041.789 C:\WINDOWS\System32
76580000 combase.dll 6.2.19041.1566 C:\WINDOWS\System32
76800000 shcore.dll 6.2.19041.1566 C:\WINDOWS\System32
76890000 sechost.dll 6.2.19041.1586 C:\WINDOWS\System32
76930000 ole32.dll 6.2.19041.1202 C:\WINDOWS\System32
76a20000 IMM32.DLL 6.2.19041.546 C:\WINDOWS\System32
76a50000 clbcatq.dll 2001.12.10941.16384 C:\WINDOWS\System32
76ad0000 KERNELBASE.dll 6.2.19041.1586 C:\WINDOWS\System32
76d10000 comdlg32.dll 6.2.19041.1566 C:\WINDOWS\System32
76f10000 advapi32.dll 6.2.19041.1466 C:\WINDOWS\System32
76f90000 msvcp_win.dll 6.2.19041.789 C:\WINDOWS\System32
775c0000 CFGMGR32.dll 6.2.19041.1151 C:\WINDOWS\System32
77610000 KERNEL32.DLL 6.2.19041.1566 C:\WINDOWS\System32
77700000 user32.dll 6.2.19041.1586 C:\WINDOWS\System32
778a0000 win32u.dll 6.2.19041.1586 C:\WINDOWS\System32
779b0000 msvcrt.dll 7.0.19041.546 C:\WINDOWS\System32
77a80000 ntdll.dll 6.2.19041.1566 C:\WINDOWS\SYSTEM32
78620000 FaultRep.dll 6.2.19041.1566 C:\WINDOWS\SYSTEM32