Invalid access to memory - _bufchain_prefix

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a@...
Guest

Invalid access to memory - _bufchain_prefix

<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 5.7.7

Error message:
Invalid access to memory.

Stack trace:
(005E1F55) _bufchain_prefix
(007E08AA) C4799_0
(007E2912) ____ExceptionHandler
(007DF88C) __ExceptionHandler
(00062496) ntdll.dll
(0000F13E) ntdll.dll.KiUserExceptionDispatcher
(0060B596) C2276_0
(0060BA13) _handle_got_event
(006AA0EA) TSecureShell::EventSelectLoop
(006AA42D) TSecureShell::Idle
(0070C483) TTerminal::Idle
(00079C0D) TTerminalManager::Idle
(00014C47) TCustomScpExplorerForm::Idle
(000379EB) TNonVisualDataModule::DoIdle
(000379A8) TNonVisualDataModule::SessionIdleTimerTimer
(0034059C) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167CE) USER32.dll
(00016895) USER32.dll.DispatchMessageW

(007E0F15) C4799_0
(007E24EF) _ReThrowException
(00079C52) TTerminalManager::Idle
(00014C47) TCustomScpExplorerForm::Idle
(000379EB) TNonVisualDataModule::DoIdle
(000379A8) TNonVisualDataModule::SessionIdleTimerTimer
(0034059C) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167CE) USER32.dll
(00016895) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

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martinkaru@...
Guest

Invalid access to memory - _bufchain_prefix

<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 5.13.6

Error message:
Invalid access to memory.

Stack trace:
(0063D179) _bufchain_prefix
(008BF022) C5105_0
(008C108A) ____ExceptionHandler
(008BDE44) __ExceptionHandler
(00089BEF) ntdll.dll
(00070AB1) ntdll.dll.KiUserExceptionDispatcher
(00670ADE) C2538_0
(00670FF3) _handle_got_event
(0073ABC7) TSecureShell::EventSelectLoop
(00739DF7) TSecureShell::WaitForData
(007374E2) TSecureShell::Receive
(007831BA) TSFTPFileSystem::ReceivePacket
(00784920) TSFTPFileSystem::ReceiveResponse
(007AA262) TSFTPFileSystem::Sink
(007D4A3F) TTerminal::Sink
(007D3A82) TTerminal::SinkRobust
(007D38D0) TTerminal::DoCopyToLocal
(007A9222) TSFTPFileSystem::CopyToLocal
(007D00F4) TTerminal::CopyToParallel
(006F2E11) TParallelTransferQueueItem::DoExecute
(006F18FE) TQueueItem::Execute
(006F0932) TTerminalItem::ProcessEvent
(006EECC8) TSignalThread::Execute
(000A3D57) Userinterface::C20_0
(00017672) KERNEL32.DLL.BaseThreadInitThunk
(00064E15) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00064DE2) ntdll.dll.RtlGetAppContainerNamedObjectPath

(008BF68D) C5105_0
(008C0C67) _ReThrowException
(007D3B14) TTerminal::SinkRobust
(007D38D0) TTerminal::DoCopyToLocal
(007A9222) TSFTPFileSystem::CopyToLocal
(007D00F4) TTerminal::CopyToParallel
(006F2E11) TParallelTransferQueueItem::DoExecute
(006F18FE) TQueueItem::Execute
(006F0932) TTerminalItem::ProcessEvent
(006EECC8) TSignalThread::Execute
(000A3D57) Userinterface::C20_0
(00017672) KERNEL32.DLL.BaseThreadInitThunk
(00064E15) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00064DE2) ntdll.dll.RtlGetAppContainerNamedObjectPath

The problem happens rarely. I cannot reproduce it.

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martinkaru@...
Guest

Invalid access to memory - _bufchain_prefix

<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 5.13.6

Error message:
Invalid access to memory.

Stack trace:
(0063D179) _bufchain_prefix
(008BF022) C5105_0
(008C108A) ____ExceptionHandler
(008BDE44) __ExceptionHandler
(00089BEF) ntdll.dll
(00070AB1) ntdll.dll.KiUserExceptionDispatcher
(00670ADE) C2538_0
(00670FF3) _handle_got_event
(0073ABC7) TSecureShell::EventSelectLoop
(00739DF7) TSecureShell::WaitForData
(007374E2) TSecureShell::Receive
(007831BA) TSFTPFileSystem::ReceivePacket
(00784920) TSFTPFileSystem::ReceiveResponse
(007AA262) TSFTPFileSystem::Sink
(007D4A3F) TTerminal::Sink
(007D3A82) TTerminal::SinkRobust
(007D38D0) TTerminal::DoCopyToLocal
(007A9222) TSFTPFileSystem::CopyToLocal
(007D00F4) TTerminal::CopyToParallel
(006F2E11) TParallelTransferQueueItem::DoExecute
(006F18FE) TQueueItem::Execute
(006F0932) TTerminalItem::ProcessEvent
(006EECC8) TSignalThread::Execute
(000A3D57) Userinterface::C20_0
(00017672) KERNEL32.DLL.BaseThreadInitThunk
(00064E15) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00064DE2) ntdll.dll.RtlGetAppContainerNamedObjectPath

(008BF68D) C5105_0
(008C0C67) _ReThrowException
(007D3B14) TTerminal::SinkRobust
(007D38D0) TTerminal::DoCopyToLocal
(007A9222) TSFTPFileSystem::CopyToLocal
(007D00F4) TTerminal::CopyToParallel
(006F2E11) TParallelTransferQueueItem::DoExecute
(006F18FE) TQueueItem::Execute
(006F0932) TTerminalItem::ProcessEvent
(006EECC8) TSignalThread::Execute
(000A3D57) Userinterface::C20_0
(00017672) KERNEL32.DLL.BaseThreadInitThunk
(00064E15) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00064DE2) 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.

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martin
Site Admin
martin avatar

Re: Invalid access to memory - _bufchain_prefix

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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rtornqvist@...
Guest

Copying files from remote side failed - _bufchain_prefix

<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 5.15.5

Error message:
Copying files from remote side failed.

Invalid access to memory.

Stack trace:
(00691269) _bufchain_prefix
(0092827A) C5157_3
(0092A2E2) ____ExceptionHandler
(0092709C) __ExceptionHandler
(0006248E) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(006C4C62) C2591_0
(006C5177) _handle_got_event
(007963AB) TSecureShell::EventSelectLoop
(00793BCB) TSecureShell::Send
(007DD8D5) TSFTPFileSystem::SendPacket
(0080B66F) TSFTPQueue::SendPacket
(0080B6B6) TSFTPFixedLenQueue::SendRequests
(00807EBF) TSFTPFileSystem::Sink
(0083418E) TTerminal::Sink
(0083318A) TTerminal::SinkRobust
(00832FD0) TTerminal::DoCopyToLocal
(0080605E) TSFTPFileSystem::CopyToLocal
(00832B1B) TTerminal::CopyToLocal
(0000FAA0) TCustomScpExplorerForm::ExecuteCopyMoveFileOperation
(00010538) TCustomScpExplorerForm::ExecuteFileOperation
(0001070C) TCustomScpExplorerForm::ExecuteFileOperation
(00021C73) TCustomScpExplorerForm::RemoteFileControlFileOperation
(000220A9) TCustomScpExplorerForm::RemoteFileControlDDEnd
(00446B9E) Customdirview::TCustomDirView::DDDragDetect
(006D0E5A) TUnixDirView::DDDragDetect
(00442E82) Customdirview::TCustomDirView::CNNotify
(0027469D) Vcl::Controls::TControl::WndProc
(002791E1) Vcl::Controls::TWinControl::WndProc
(002BC4BB) Vcl::Comctrls::TCustomListView::WndProc
(00279347) Vcl::Controls::_17076
(002791E1) Vcl::Controls::TWinControl::WndProc
(00278828) Vcl::Controls::TWinControl::MainWndProc
(003A3E44) System::Cl

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.

Reply with quote

martin
Site Admin
martin avatar

Re: Copying files from remote side failed - _bufchain_prefix

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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mrahman@...
Guest

Invalid access to memory - _bufchain_prefix

<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:
Invalid access to memory.

Stack trace:
(0069117D) _bufchain_prefix
(0092812A) C5157_3
(0092A192) ____ExceptionHandler
(00926F4C) __ExceptionHandler
(00087D6F) ntdll.dll
(00073211) ntdll.dll.KiUserExceptionDispatcher
(006C4B76) C2591_0
(006C508B) _handle_got_event
(00796253) TSecureShell::EventSelectLoop
(00795483) TSecureShell::WaitForData
(007904F9) TSecureShell::Init
(0078FE56) TSecureShell::Open
(008141C1) TTerminal::Open
(0074FDA3) TTerminalThread::TerminalOpenEvent
(0074AD00) TSignalThread::Execute
(000BB6A3) Userinterface::C20_0
(00015357) KERNEL32.DLL.BaseThreadInitThunk
(00066B72) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066B3F) ntdll.dll.RtlGetAppContainerNamedObjectPath
Authentication log (see session log for details):
Using username "mrahman".
Authenticating with public key "MRahman@mrahman-new-lap" from agent.

Authentication failed.

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

Re: Invalid access to memory - _bufchain_prefix

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.

Reply with quote

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roldano@...
Guest

Copying files to remote side failed - _bufchain_prefix

<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 5.17.9

Error message:
Copying files to remote side failed.

Invalid access to memory.

Stack trace:
(00C2CC43) _bufchain_prefix
(00F89F32) C5296_0
(00F8BF9A) ____ExceptionHandler
(00F88D54) __ExceptionHandler
(000861AF) ntdll.dll
(00072B31) ntdll.dll.KiUserExceptionDispatcher
(00C2E36E) C2739_0
(00C2E877) _handle_got_event
(00D098CF) TSecureShell::EventSelectLoop
(00D0677F) TSecureShell::DispatchSendBuffer
(00D06BF2) TSecureShell::Send
(00D54289) TSFTPFileSystem::SendPacket
(00D837C2) TSFTPUploadQueue::SendPacket
(00D79404) TSFTPFileSystem::Source
(00DA998B) TTerminal::Source
(00DA848A) TTerminal::SourceRobust
(00DA82C9) TTerminal::DoCopyToRemote
(00D7606E) TSFTPFileSystem::CopyToRemote
(00DA7019) TTerminal::CopyToParallel
(00DA7189) TTerminal::CopyParallel
(00DA7CEC) TTerminal::CopyToRemote
(00CC1ACD) TUploadQueueItem::DoTransferExecute
(00CC06EE) TQueueItem::Execute
(00CBF722) TTerminalItem::ProcessEvent
(00CBDAB8) TSignalThread::Execute
(000BCFFB) Userinterface::C20_0
(0001EA27) KERNEL32.DLL.BaseThreadInitThunk
(000665F2) ntdll.dll.RtlGetAppContainerNamedObjectPath
(000665BF) ntdll.dll.RtlGetAppContainerNamedObjectPath

(00F8A59D) C5296_0
(00F8BB77) _ReThrowException
(00DA84C7) TTerminal::SourceRobust
(00DA82C9) TTerminal::DoCopyToRemote
(00D7606E) TSFTPFileSystem::CopyToRemote
(00DA7019) TTerminal::CopyToParallel
(00DA7189) TTerminal::CopyParallel
(00DA7CEC) TTerminal::CopyToRemote
(00CC1ACD) TUploadQueueItem::DoTransferExecute
(00CC06EE) TQueueItem::Execute
(00CBF722) TTerminalItem::ProcessEvent
(00CBDAB8) TSignalThread::Execute
(000BCFFB) Userinterface::C20_0
(0001EA27) KERNEL32.DLL.BaseThreadInitThunk
(000665F2) ntdll.dll.RtlGetAppContainerNamedObjectPath
(000665BF) ntdll.dll.RtlGetAppContainerNamedObjectPath

The problem happens rarely. I cannot reproduce it.

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martinist@...
Guest

Fehler beim Anzeigen des Verzeichnisses „/home/us/file_path“ - _bufchain_prefix

<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 5.19.1

Error message:
Fehler beim Anzeigen des Verzeichnisses „/home/user/file_path“.

Unzulässiger Zugriff auf einen Speicherbereich.

Stapelverfolgung:
(00C55733) _bufchain_prefix
(00FBC006) C5294_3
(00FBE06E) ____ExceptionHandler
(00FBAE28) __ExceptionHandler
(000878AF) ntdll.dll
(00073EE1) ntdll.dll.KiUserExceptionDispatcher
(00C12A63) _ssh2_connection_new
(00C12B86) _ssh2_connection_new
(00C112E1) _ssh2_connection_new
(00C12768) _ssh2_connection_new
(00C29CE9) _ssh_ppl_free
(00BF3C12) C2597_0
(00BF3D05) _run_toplevel_callbacks
(00D353AC) TSecureShell::EventSelectLoop
(00D33E24) TSecureShell::Close
(00D0FEE7) TSCPFileSystem::Close
(00D176F1) TSCPFileSystem::SCPSource
(00D15E97) TSCPFileSystem::CopyToRemote
(00DD8B73) TTerminal::CopyToRemote
(00CEE3D9) TUploadQueueItem::DoTransferExecute
(00CECF5E) TQueueItem::Execute
(00CEBF8E) TTerminalItem::ProcessEvent
(00CEA300) TSignalThread::Execute
(000C16D7) Userinterface::C20_0
(0001EA27) KERNEL32.DLL.BaseThreadInitThunk
(00066A9C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066A69) ntdll.dll.RtlGetAppContainerNamedObjectPath

(00FBC671) C5294_3
(00FBDC4B) _ReThrowException
(00D16197) TSCPFileSystem::CopyToRemote
(00DD8B73) TTerminal::CopyToRemote
(00CEE3D9) TUploadQueueItem::DoTransferExecute
(00CECF5E) TQueueItem::Execute
(00CEBF8E) TTerminalItem::ProcessEvent
(00CEA300) TSignalThread::Execute
(000C16D7) Userinterface::C20_0
(0001EA27) KERNEL32.DLL.BaseThreadInitThunk
(00066A9C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066A69) ntdll.dll.RtlGetAppContainerNamedObjectPath

(00C55733) _bufchain_prefix
(00FBC006) C5294_3
(00FBE06E) ____ExceptionHandler
(00FBAE28) __ExceptionHandler
(000878AF) ntdll.dll
(00073EE1) ntdll.dll.KiUserExceptionDispatcher
(00C12A63) _ssh2_connection_new
(00C12F76) _ssh2_chanreq_init
(00C134A7) _ssh2_chanreq_init
(00C199DD) _ssh2_transport_notify_auth_done
(00C0903C) _ssh_throttle_conn
(00D324D8) TSecureShell::Send
(00D32879) TSecureShell::SendLine
(00D16293) TSCPFileSystem::CopyToRemote
(00DD8B73) TTerminal::CopyToRemote
(00CEE3D9) TUploadQueueItem::DoTransferExecute
(00CECF5E) TQueueItem::Execute
(00CEBF8E) TTerminalItem::ProcessEvent
(00CEA300) TSignalThread::Execute
(000C16D7) Userinterface::C20_0
(0001EA27) KERNEL32.DLL.BaseThreadInitThunk
(00066A9C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066A69) ntdll.dll.RtlGetAppContainerNamedObjectPath

(00C55733) _bufchain_prefix
(00FBC006) C5294_3
(00FBE06E) ____ExceptionHandler
(00FBAE28) __ExceptionHandler
(000878AF) ntdll.dll
(00073EE1) ntdll.dll.KiUserExceptionDispatcher
(00C12A63) _ssh2_connection_new
(00C12F76) _ssh2_chanreq_init
(00C134A7) _ssh2_chanreq_init
(00C199DD) _ssh2_transport_notify_auth_done
(00C0903C) _ssh_throttle_conn
(00D324D8) TSecureShell::Send
(00D32879) TSecureShell::SendLine
(00D10749) TSCPFileSystem::SendCommand
(00D11178) TSCPFileSystem::ExecCommand
(00D1129B) TSCPFileSystem::ExecCommand
(00D1298C) TSCPFileSystem::R

The problem happens rarely. I cannot reproduce it.

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