Invalid access to memory - TSecureShell::CheckConnection
<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 6.5.4
Error message:
Invalid access to memory.
Stack trace:
(00C9BDD6) TSecureShell::CheckConnection
(00EF715A)
(00EF91D2)
(00EF5F7C) __ExceptionHandler
(000B343F) ntdll.dll
(0007A66A) ntdll.dll.KiUserExceptionDispatcher
(00C9A357) TSecureShell::Send
(00CF4930) TSFTPFileSystem::SendPacket
(00CF7755) TSFTPFileSystem::SendPacketAndReceiveResponse
(00D0899D) TSFTPFileSystem::ReadDirectory
(00D3C342) TTerminal::CustomReadDirectory
(00D3CCE1) TTerminal::ReadDirectory
(00D3C8E6) TTerminal::DoReadDirectoryListing
(00D3C7B0) TTerminal::CustomReadDirectoryListing
(00D3CB84) TTerminal::ProcessDirectory
(00D408B9) TTerminal::DoCalculateDirectorySize
(00D406C8) TTerminal::CalculateFileSize
(00D402CC) TTerminal::DoCalculateFileSize
(00D3D797) TTerminal::ProcessFiles
(00D40BEE) TTerminal::CalculateFilesSize
(0001AF77) TCustomScpExplorerForm::CalculateSize
(00DE140D) TPropertiesDialog::CalculateSizeButtonClick
(0039E91B) Vcl::Controls::TControl::Click
(003A356D) Vcl::Controls::TWinControl::WndProc
(003C7B74) Vcl::Stdctrls::TButtonControl::WndProc
(003A36C7) Vcl::Controls::_17122
(003A356D) Vcl::Controls::TWinControl::WndProc
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038B21) USER32.dll
(00026C98) USER32.dll
(0002673B) USER32.dll
(00032FA7) USER32.dll
(0007A644) ntdll.dll.KiUserCallbackDispatcher
(0003F4F3) USER32.dll
(00026461) USER32.dll.SendMessageW
(00073DE1) COMCTL32.DLL
(000893F7) COMCTL32.DLL
(00038B21) USER32.dll
(00026C98) USER32.dll
(00026405) USER32.dll.CallWindowProcW
(003A3675) Vcl::Controls::TWinControl::DefaultHandler
(003A356D) Vcl::Controls::TWinControl::WndProc
(003C7B74) Vcl::Stdctrls::TButtonControl::WndProc
(00204C90) System::Classes::_18364
(00038B21) USER32.dll
(00026C98) USER32.dll
(00026125) USER32.dll
(00025C8B) USER32.dll.DispatchMessageW
(00EF77C5)
(00EF8D9F)
(00D08A31) TSFTPFileSystem::ReadDirectory
(00D3C342) TTerminal::CustomReadDirectory
(00D3CCE1) TTerminal::ReadDirectory
(00D3C8E6) TTerminal::DoReadDirectoryListing
(00D3C7B0) TTerminal::CustomReadDirectoryListing
(00D3CB84) TTerminal::ProcessDirectory
(00D408B9) TTerminal::DoCalculateDirectorySize
(00D406C8) TTerminal::CalculateFileSize
(00D402CC) TTerminal::DoCalculateFileSize
(00D3D797) TTerminal::ProcessFiles
(00D40BEE) TTerminal::CalculateFilesSize
(0001AF77) TCustomScpExplorerForm::CalculateSize
(00DE140D) TPropertiesDialog::CalculateSizeButtonClick
(0039E91B) Vcl::Controls::TControl::Click
(003A356D) Vcl::Controls::TWinControl::WndProc
(003C7B74) Vcl::Stdctrls::TButtonControl::WndProc
(003A36C7) Vcl::Controls::_17122
(003A356D) Vcl::Controls::TWinControl::WndProc
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038B21) USER32.dll
(00026C98) USER32.dll
(0002673B) USER32.dll
(00032FA7) USER32.dll
(0007A644) ntdll.dll.KiUserCallbackDispatcher
(0003F4F3)
The problem happens rarely. I cannot reproduce it.
<If relevant, consider attaching a session log file or a screenshot)>
WinSCP 6.5.4
Error message:
Invalid access to memory.
Stack trace:
(00C9BDD6) TSecureShell::CheckConnection
(00EF715A)
(00EF91D2)
(00EF5F7C) __ExceptionHandler
(000B343F) ntdll.dll
(0007A66A) ntdll.dll.KiUserExceptionDispatcher
(00C9A357) TSecureShell::Send
(00CF4930) TSFTPFileSystem::SendPacket
(00CF7755) TSFTPFileSystem::SendPacketAndReceiveResponse
(00D0899D) TSFTPFileSystem::ReadDirectory
(00D3C342) TTerminal::CustomReadDirectory
(00D3CCE1) TTerminal::ReadDirectory
(00D3C8E6) TTerminal::DoReadDirectoryListing
(00D3C7B0) TTerminal::CustomReadDirectoryListing
(00D3CB84) TTerminal::ProcessDirectory
(00D408B9) TTerminal::DoCalculateDirectorySize
(00D406C8) TTerminal::CalculateFileSize
(00D402CC) TTerminal::DoCalculateFileSize
(00D3D797) TTerminal::ProcessFiles
(00D40BEE) TTerminal::CalculateFilesSize
(0001AF77) TCustomScpExplorerForm::CalculateSize
(00DE140D) TPropertiesDialog::CalculateSizeButtonClick
(0039E91B) Vcl::Controls::TControl::Click
(003A356D) Vcl::Controls::TWinControl::WndProc
(003C7B74) Vcl::Stdctrls::TButtonControl::WndProc
(003A36C7) Vcl::Controls::_17122
(003A356D) Vcl::Controls::TWinControl::WndProc
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038B21) USER32.dll
(00026C98) USER32.dll
(0002673B) USER32.dll
(00032FA7) USER32.dll
(0007A644) ntdll.dll.KiUserCallbackDispatcher
(0003F4F3) USER32.dll
(00026461) USER32.dll.SendMessageW
(00073DE1) COMCTL32.DLL
(000893F7) COMCTL32.DLL
(00038B21) USER32.dll
(00026C98) USER32.dll
(00026405) USER32.dll.CallWindowProcW
(003A3675) Vcl::Controls::TWinControl::DefaultHandler
(003A356D) Vcl::Controls::TWinControl::WndProc
(003C7B74) Vcl::Stdctrls::TButtonControl::WndProc
(00204C90) System::Classes::_18364
(00038B21) USER32.dll
(00026C98) USER32.dll
(00026125) USER32.dll
(00025C8B) USER32.dll.DispatchMessageW
(00EF77C5)
(00EF8D9F)
(00D08A31) TSFTPFileSystem::ReadDirectory
(00D3C342) TTerminal::CustomReadDirectory
(00D3CCE1) TTerminal::ReadDirectory
(00D3C8E6) TTerminal::DoReadDirectoryListing
(00D3C7B0) TTerminal::CustomReadDirectoryListing
(00D3CB84) TTerminal::ProcessDirectory
(00D408B9) TTerminal::DoCalculateDirectorySize
(00D406C8) TTerminal::CalculateFileSize
(00D402CC) TTerminal::DoCalculateFileSize
(00D3D797) TTerminal::ProcessFiles
(00D40BEE) TTerminal::CalculateFilesSize
(0001AF77) TCustomScpExplorerForm::CalculateSize
(00DE140D) TPropertiesDialog::CalculateSizeButtonClick
(0039E91B) Vcl::Controls::TControl::Click
(003A356D) Vcl::Controls::TWinControl::WndProc
(003C7B74) Vcl::Stdctrls::TButtonControl::WndProc
(003A36C7) Vcl::Controls::_17122
(003A356D) Vcl::Controls::TWinControl::WndProc
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038B21) USER32.dll
(00026C98) USER32.dll
(0002673B) USER32.dll
(00032FA7) USER32.dll
(0007A644) ntdll.dll.KiUserCallbackDispatcher
(0003F4F3)
The problem happens rarely. I cannot reproduce it.