Invalid access to memory - TSessionData::ExtractLocalName

Cancel a local temp file, then reconnect

WinSCP 5.15.1

Error message:
Invalid access to memory.

Stack trace:
(00352EF8) System::Internal::Strhlpr::UnicodeAssign
(0092636E) C5153_3
(009283D6) ____ExceptionHandler
(00925190) __ExceptionHandler
(0008402F) ntdll.dll
(00071931) ntdll.dll.KiUserExceptionDispatcher
(007C50EA) TSessionData::ExtractLocalName
(007BF0F9) TSessionData::HasSessionName
(007BF262) TSessionData::GetSessionName
(000AE090) TTerminalManager::GetTerminalTitle
(000AE308) TTerminalManager::GetActiveTerminalTitle
(000ABC33) TTerminalManager::UpdateAppTitle
(000AB78C) TTerminalManager::DoSetActiveTerminal
(000AB752) TTerminalManager::SetActiveTerminalWithAutoReconnect
(00070CC1) TEditorManager::CheckFileChange
(0006ECBE) TEditorManager::Check
(0001886D) TCustomScpExplorerForm::Idle
(00048223) TNonVisualDataModule::DoIdle
(000481E0) TNonVisualDataModule::SessionIdleTimerTimer
(003A346C) System::Classes::_18201
(00045359) USER32.dll
(00036297) USER32.dll
(000353D6) USER32.dll
(000351AB) USER32.dll.DispatchMessageW

(009269D9) C5153_3
(00927FB3) _ReThrowException
(00070CE3) TEditorManager::CheckFileChange
(0006ECBE) TEditorManager::Check
(0001886D) TCustomScpExplorerForm::Idle
(00048223) TNonVisualDataModule::DoIdle
(000481E0) TNonVisualDataModule::SessionIdleTimerTimer
(003A346C) System::Classes::_18201
(00045359) USER32.dll
(00036297) USER32.dll
(000353D6) USER32.dll
(000351AB) USER32.dll.DispatchMessageW

(007CDF95) TSessionLog::Add
(0008402F) ntdll.dll
(00071931) ntdll.dll.KiUserExceptionDispatcher
(007CE17D) TSessionLog::AddException
(00815A60) TTerminal::ShowExtendedException
(0023C752) Vcl::Forms::TApplication::HandleException
(003A346C) System::Classes::_18201
(00045359) USER32.dll
(00036297) USER32.dll
(000353D6) USER32.dll
(000351AB) USER32.dll.DispatchMessageW

(007CDF95) TSessionLog::Add
(0092636E) C5153_3
(009283D6) ____ExceptionHandler
(00925190) __ExceptionHandler
(0008402F) ntdll.dll
(00071931) ntdll.dll.KiUserExceptionDispatcher
(007CE17D) TSessionLog::AddException
(00815A60) TTerminal::ShowExtendedException
(0023C752) Vcl::Forms::TApplication::HandleException
(001011BB) Execute
(00002664) wWinMain
(009243A5) __wstartup
(0006562B) ntdll.dll.RtlGetAppContainerNamedObjectPath
(000655F8) ntdll.dll.RtlGetAppContainerNamedObjectPath

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.

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.

<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 5.15.1

Error message:
Invalid access to memory.

Stack trace:
(00352EF8)
(00087D6F) ntdll.dll
(00073211) ntdll.dll.KiUserExceptionDispatcher
(007C50EA)
(007BF0F9)
(007BF262)
(00846ACA)
(00846876)
(00232235)
(008467B0)
(00278809)
(00232CD0)
(008C441C)

The problem happens rarely. I cannot reproduce it.

<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

Error message:
Invalid access to memory.

Stack trace:
(00352EF8) System::Internal::Strhlpr::UnicodeAssign
(0006246E) ntdll.dll
(0000F12E) ntdll.dll.KiUserExceptionDispatcher
(007C4FF6) TSessionData::ExtractLocalName
(007BF005) TSessionData::HasSessionName
(007BF16E) TSessionData::GetSessionName
(008469D6) TAuthenticateForm::AdjustControls
(00846782) TAuthenticateForm::FormShow
(00232235) Vcl::Forms::TCustomForm::DoShow
(008466BC) TAuthenticateForm::CMShowingChanged
(00278809) Vcl::Controls::TWinControl::WndProc
(00232CD0) Vcl::Forms::TCustomForm::WndProc
(008C4328) Vclcommon::C2838_0

The problem happens rarely. I cannot reproduce it.