don.thompson@... wrote:

In an attempt to upload a file larger than 1GB, using encryption (keypair) I can reproduce all day long. Was doing the same thing on ver 5,7,5. I turned off resume option and have attempted to set the Key Re-Exchange option to 0, 0G, 2G and nothing has helped.

I have transferred much bigger files using account name and password, something about the keypair is killing me.

WinSCP 5.9.6

Error message:
Copying files to remote side failed.

Invalid access to memory.

Stack trace:
...

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.

In an attempt to upload a file larger than 1GB, using encryption (keypair) I can reproduce all day long. Was doing the same thing on ver 5,7,5. I turned off resume option and have attempted to set the Key Re-Exchange option to 0, 0G, 2G and nothing has helped.

I have transferred much bigger files using account name and password, something about the keypair is killing me.

WinSCP 5.9.6

Error message:
Copying files to remote side failed.

Invalid access to memory.

Stack trace:
(00868426) __DynamicCastVCLptr
(008689AA) C5077_0
(0086AA12) ____ExceptionHandler
(008677CC) __ExceptionHandler
(0003EF0E) ntdll.dll.ZwWow64CallFunction64
(0003F68A) ntdll.dll.KiUserExceptionDispatcher
(0075D465) TSFTPFileSystem::SFTPSourceRobust
(0075C59A) TSFTPFileSystem::CopyToRemote
(00789179) TTerminal::CopyToRemote
(0000DCB0) TCustomScpExplorerForm::ExecuteFileOperation
(0001F704) TCustomScpExplorerForm::RemoteFileControlDragDropFileOperation
(0001F890) TCustomScpExplorerForm::RemoteFileControlDDFileOperation
(0065758E) TUnixDirView::PerformItemDragDropOperation
(004088DE) Customdirview::TCustomDirView::DDProcessDropped
(0042CE83) Dragdrop::TDragDrop::WndMethod
(00373564) System::Classes::_18201
(00007E6F) USER32.DLL.CallNextHookEx
(000080CC) USER32.DLL
(0000966A) USER32.DLL
(000096DB) USER32.DLL.DispatchMessageW

(00868426) __DynamicCastVCLptr
(008689AA) C5077_0
(0086AA12) ____ExceptionHandler
(008677CC) __ExceptionHandler
(0003EF0E) ntdll.dll.ZwWow64CallFunction64
(0003F68A) ntdll.dll.KiUserExceptionDispatcher
(0075D465) TSFTPFileSystem::SFTPSourceRobust
(0075C59A) TSFTPFileSystem::CopyToRemote
(00789179) TTerminal::CopyToRemote
(0000DCB0) TCustomScpExplorerForm::ExecuteFileOperation
(0001F704) TCustomScpExplorerForm::RemoteFileControlDragDropFileOperation
(0001F890) TCustomScpExplorerForm::RemoteFileControlDDFileOperation
(0065758E) TUnixDirView::PerformItemDragDropOperation
(004088DE) Customdirv

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 5.9.2 (and 5.9.3 also)

Error message:
Copying files to remote side failed.

Invalid access to memory.

Stack trace:
(008632BC) __DynamicCastVCLptr
(00863846) C5073_3
(008658AE) ____ExceptionHandler
(00862668) __ExceptionHandler
(00045D46) ntdll.dll.RtlRaiseStatus
(00045BD2) ntdll.dll.KiUserExceptionDispatcher
(007593E5) TSFTPFileSystem::SFTPSourceRobust
(0075851A) TSFTPFileSystem::CopyToRemote
(00784E11) TTerminal::CopyToRemote
(006C5D73) TUploadQueueItem::DoExecute
(006C354E) TTerminalItem::ProcessEvent
(006C19F4) TSignalThread::Execute
(000987A7) Userinterface::C20_0
(0004DF1A) kernel32.dll.BaseThreadInitThunk
(00062678) ntdll.dll
(00062648) ntdll.dll

(008632BC) __DynamicCastVCLptr
(00863846) C5073_3
(008658AE) ____ExceptionHandler
(00862668) __ExceptionHandler
(00045D46) ntdll.dll.RtlRaiseStatus
(00045BD2) ntdll.dll.KiUserExceptionDispatcher
(007593E5) TSFTPFileSystem::SFTPSourceRobust
(0075851A) TSFTPFileSystem::CopyToRemote
(00784E11) TTerminal::CopyToRemote
(006C5D73) TUploadQueueItem::DoExecute
(006C354E) TTerminalItem::ProcessEvent
(006C19F4) TSignalThread::Execute
(000987A7) Userinterface::C20_0
(0004DF1A) kernel32.dll.BaseThreadInitThunk
(00062678) ntdll.dll
(00062648) ntdll.dll

(008637EF) ___cleanupTObject
(00863846) C5073_3
(008658AE) ____ExceptionHandler
(00862668) __ExceptionHandler
(00045D46) ntdll.dll.RtlRaiseStatus
(00045BD2) ntdll.dll.KiUserExceptionDispatcher
(008646DF) C5073_3
(008656F5) ____ExceptionHandler
(00862668) __ExceptionHandler

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.

I received this error after receiving the an invalid pointer error during transfer and canceling a failed binary transfer.


WinSCP 5.9

Error message:
Copying files to remote side failed.

Invalid access to memory.

Stack trace:
(008627D9) C5073_3
(00863DB3) _ReThrowException
(0075801E) TSFTPFileSystem::SFTPSourceRobust
(0075714A) TSFTPFileSystem::CopyToRemote
(007837C5) TTerminal::CopyToRemote
(0000DCE5) TCustomScpExplorerForm::ExecuteFileOperation
(0000E9E4) TCustomScpExplorerForm::ExecuteFileOperation
(0000EA6B) TCustomScpExplorerForm::ExecuteFileOperationCommand
(0000EBF2) TCustomScpExplorerForm::ExecuteCopyOperationCommand
(000372C8) TNonVisualDataModule::ExplorerActionsExecute
(003B4768) System::Actions::TContainedActionList::ExecuteAction
(0019B96D) Vcl::Actnlist::TCustomAction::Execute
(0037264C) System::Classes::_18201
(000374F1) USER32.dll
(00015C3B) USER32.dll
(0001553C) USER32.dll
(000152FB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.