Invalid access to memory - System::TObject::Free

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bmarkus@...
Guest

Invalid access to memory - System::TObject::Free

Was connected to a server doing updates. The session timed out. I clicked reconnect and this happend


WinSCP 5.13.3

Error message:
Invalid access to memory.

Stack trace:
(003F09F8) System::TObject::Free
(008BCA5A) C5104_0
(008BEAC2) ____ExceptionHandler
(008BB87C) __ExceptionHandler
(0006248E) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(0004265F) TScpCommanderForm::UpdateTerminal
(00005E00) TCustomScpExplorerForm::TerminalChanging
(00095F83) TTerminalManager::DoSetActiveTerminal
(00095F0E) TTerminalManager::SetActiveTerminal
(00095433) TTerminalManager::FreeActiveTerminal
(00095C22) TTerminalManager::ReconnectActiveTerminal
(000A4579) ShowExtendedExceptionEx
(0001D6F4) TCustomScpExplorerForm::ShowExtendedException
(00097121) TTerminalManager::TerminalShowExtendedException
(007B8328) TTerminal::ShowExtendedException
(0021EF6E) Vcl::Forms::TApplication::HandleException
(00380370) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

(00095D16) TTerminalManager::FreeTerminal
(0006248E) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(00095433) TTerminalManager::FreeActiveTerminal
(000A4579) ShowExtendedExceptionEx
(0001D6F4) TCustomScpExplorerForm::ShowExtendedException
(00097121) TTerminalManager::TerminalShowExtendedException
(007B8328) TTerminal::ShowExtendedException
(0021EF6E) Vcl::Forms::TApplication::HandleException
(00380370) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

(003632ED)

The problem happens rarely. I cannot reproduce it.

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itellez@...
Guest

Acceso a memoria no válido - System::TObject::Free

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.13.4

Error message:
Acceso a memoria no válido

Traza de la pila:
(003F13A8) System::TObject::Free
(008BDC8E) C5104_3
(008BFCF6) ____ExceptionHandler
(008BCAB0) __ExceptionHandler
(0007DA8F) ntdll.dll
(0006B6B1) ntdll.dll.KiUserExceptionDispatcher
(0004265F) TScpCommanderForm::UpdateTerminal
(00005E00) TCustomScpExplorerForm::TerminalChanging
(000967CB) TTerminalManager::DoSetActiveTerminal
(00096756) TTerminalManager::SetActiveTerminal
(00095C9F) TTerminalManager::FreeActiveTerminal
(0009646A) TTerminalManager::ReconnectActiveTerminal
(000A4DE5) ShowExtendedExceptionEx
(0001D6F4) TCustomScpExplorerForm::ShowExtendedException
(00097969) TTerminalManager::TerminalShowExtendedException
(007B94BC) TTerminal::ShowExtendedException
(0021F91E) Vcl::Forms::TApplication::HandleException
(00380D20) System::Classes::_18201
(0003AE69) USER32.dll
(00037335) USER32.dll
(00036BE9) USER32.dll
(000369CB) USER32.dll.DispatchMessageW

(007BAAE5) TTerminal::TranslateLockedPath
(0007DA8F) ntdll.dll
(0006B6B1) ntdll.dll.KiUserExceptionDispatcher
(007BB288) TTerminal::PeekCurrentDirectory
(0001AC21) TCustomScpExplorerForm::UpdateSessionData
(000426F7) TScpCommanderForm::UpdateSessionData
(0001ABD9) TCustomScpExplorerForm::UpdateTerminal
(0004265F) TScpCommanderForm::UpdateTerminal
(00005E00) TCustomScpExplorerForm::TerminalChanging
(000967CB) TTerminalManager::DoSetActiveTerminal
(00096756) TTerminalManager::SetActiveTerminal
(00095C9F) TTerminalManager::FreeActiveTerminal
(000A4DE5) ShowExtendedExceptionEx
(0001D6F4) TCustomScpExplorerForm::ShowExtendedException
(00097969) TTerminalManager::TerminalShowExtendedException
(007B94BC) TTerminal::ShowExtendedException
(0021F91E) Vcl::Forms::TApplication::HandleException
(00380D20) System::Classes::_18201
(0003AE69) USER32.dll
(00037335) USER32.dll
(00036BE9) USER32.dll
(000369CB) USER32.dll.DispatchMessageW

(003F24CC) System::HandleAnyException
(0007DA8F) ntdll.dll
(0006B6B1) ntdll.dll.KiUserExceptionDispatcher
(00380D20) System::Classes::_18201
(0003AE69) USER32.dll
(00037335) USER32.dll
(00036BE9) USER32.dll
(000369CB) USER32.dll.DispatchMessageW

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

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martin
Site Admin
martin avatar
Joined:
Posts:
33,694
Location:
Prague, Czechia

Re: Acceso a memoria no válido - System::TObject::Free

Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

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atain.ejiri@...
Guest

メモリのアクセス違反 - System::TObject::Free

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.15.4

Error message:
メモリのアクセス違反

スタック トレース:
(0041641C) System::TObject::Free
(00928272) C5157_3
(0092A2DA) ____ExceptionHandler
(00927094) __ExceptionHandler
(00087D6F) ntdll.dll
(00073211) ntdll.dll.KiUserExceptionDispatcher
(0003C645) TNonVisualDataModule::~TNonVisualDataModule
(00101D59) Execute
(00002664) wWinMain
(009262A9) C5025_0
(00066B72) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066B3F) ntdll.dll.RtlGetAppContainerNamedObjectPath

The problem happens rarely. I cannot reproduce it.

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sunaga@...
Guest

メモリのアクセス違反 - System::TObject::Free

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.15.9

Error message:
メモリのアクセス違反

スタック トレース:
(00416470) System::TObject::Free
(0092812A) C5157_3
(0092A192) ____ExceptionHandler
(00926F4C) __ExceptionHandler
(00087D6F) ntdll.dll
(00073211) ntdll.dll.KiUserExceptionDispatcher
(0003C661) TNonVisualDataModule::~TNonVisualDataModule
(00101DAD) Execute
(00002664) wWinMain
(00926161) C5025_0
(00066B72) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066B3F) ntdll.dll.RtlGetAppContainerNamedObjectPath

The problem happens rarely. I cannot reproduce it.

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sunaga@...
Guest

メモリのアクセス違反 - System::TObject::Free

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.15.9

Error message:
メモリのアクセス違反

スタック トレース:
(0041646E) System::TObject::Free
(0092812A) C5157_3
(0092A192) ____ExceptionHandler
(00926F4C) __ExceptionHandler
(00087D6F) ntdll.dll
(00073211) ntdll.dll.KiUserExceptionDispatcher
(0001FC81) TCustomScpExplorerForm::NeedSession
(0001FC26) TCustomScpExplorerForm::LastTerminalClosed
(000ABB3E) TTerminalManager::SetActiveTerminal
(000AAF7F) TTerminalManager::FreeActiveTerminal
(00279219) Vcl::Controls::TWinControl::WndProc
(00278860) Vcl::Controls::TWinControl::MainWndProc
(003A3E7C) System::Classes::_18201
(00043389) USER32.dll
(00023F87) USER32.dll
(000234DA) USER32.dll.CallWindowProcW
(0047AD1B) Dragdrop::TDragDrop::WndMethod
(003A3E7C) System::Classes::_18201
(00043389) USER32.dll
(00023F87) USER32.dll
(000230D9) USER32.dll
(00022EBB) USER32.dll.DispatchMessageW

(0041646E) System::TObject::Free
(00087D6F) ntdll.dll
(00073211) ntdll.dll.KiUserExceptionDispatcher
(0001FC81) TCustomScpExplorerForm::NeedSession
(0001FC26) TCustomScpExplorerForm::LastTerminalClosed
(000ABB3E) TTerminalManager::SetActiveTerminal
(000AAF7F) TTerminalManager::FreeActiveTerminal
(00279219) Vcl::Controls::TWinControl::WndProc
(00278860) Vcl::Controls::TWinControl::MainWndProc
(003A3E7C) System::Classes::_18201
(00043389) USER32.dll
(00023F87) USER32.dll
(000234DA) USER32.dll.CallWindowProcW
(0047AD1B) Dragdrop::TDragDrop::WndMethod
(003A3E7C) System::Classes::_18201
(00043389) USER32.dll
(00023F87) USER32.dll
(000230D9) USER32.dll
(00022EBB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

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