Invalid access to memory - _stripctrl_retarget

<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 5.16

Error message:
Invalid access to memory.

Stack trace:
(00C23074) _stripctrl_retarget
(00F7ACC2) C5290_0
(00F7CD2A) ____ExceptionHandler
(00F79AE4) __ExceptionHandler
(00087D6F) ntdll.dll
(00073211) ntdll.dll.KiUserExceptionDispatcher
(00BF07FB) _ssh2_userauth_set_transport_layer
(00BF9315) _ssh_ppl_free
(00BCB766) C2601_0
(00BCB859) _run_toplevel_callbacks
(00CFEEC4) TSecureShell::EventSelectLoop
(00CFDDA7) TSecureShell::WaitForData
(00CF8D65) TSecureShell::Init
(00CF86A5) TSecureShell::Open
(00D80171) TTerminal::Open
(00CB7753) TTerminalThread::TerminalOpenEvent
(00CB26B0) TSignalThread::Execute
(000BBBEF) Userinterface::C20_0
(00015357) KERNEL32.DLL.BaseThreadInitThunk
(00066B72) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066B3F) ntdll.dll.RtlGetAppContainerNamedObjectPath
Authentication log (see session log for details):
Using username "deployadm".

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.

<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 5.16

Error message:
Invalid access to memory.

Stack trace:
(00C23074) _stripctrl_retarget
(00F7ACC2) C5290_0
(00F7CD2A) ____ExceptionHandler
(00F79AE4) __ExceptionHandler
(0007E19F) ntdll.dll
(0006BD81) ntdll.dll.KiUserExceptionDispatcher
(00BF07FB) _ssh2_userauth_set_transport_layer
(00BF9315) _ssh_ppl_free
(00BCB766) C2601_0
(00BCB859) _run_toplevel_callbacks
(00CFEEC4) TSecureShell::EventSelectLoop
(00CFDDA7) TSecureShell::WaitForData
(00CF8D65) TSecureShell::Init
(00CF86A5) TSecureShell::Open
(00D80171) TTerminal::Open
(00CB7753) TTerminalThread::TerminalOpenEvent
(00CB26B0) TSignalThread::Execute
(000BBBEF) Userinterface::C20_0
(00017492) KERNEL32.DLL.BaseThreadInitThunk
(000631C6) ntdll.dll.RtlAreBitsSet
(00063193) ntdll.dll.RtlAreBitsSet
Authentication log (see session log for details):
Using username "spga".

Authentication failed.

The problem happens rarely. I cannot reproduce it.

rpmcallister@... wrote:

WinSCP 5.16

Error message:
Invalid access to memory.

Stack trace:
(00C23074) _stripctrl_retarget
(00F7ACC2) C5290_0
(00F7CD2A) ____ExceptionHandler
(00F79AE4) __ExceptionHandler
(00087D6F) ntdll.dll
(00073211) ntdll.dll.KiUserExceptionDispatcher
(00BF07FB) _ssh2_userauth_set_transport_layer
(00BF9315) _ssh_ppl_free
(00BCB766) C2601_0
(00BCB859) _run_toplevel_callbacks
...

Authentication log (see session log for details):
Using username "deployadm".

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.

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 5.16

Error message:
Invalid access to memory.

Stack trace:
(00C23074) _stripctrl_retarget
(00F7ACC2) C5290_0
(00F7CD2A) ____ExceptionHandler
(00F79AE4) __ExceptionHandler
(00087D6F) ntdll.dll
(00073211) ntdll.dll.KiUserExceptionDispatcher
(00BF072D) _ssh2_userauth_set_transport_layer
(00BF9315) _ssh_ppl_free
(00BCB766) C2601_0
(00BCB859) _run_toplevel_callbacks
(00CFEEC4) TSecureShell::EventSelectLoop
(00CFDDA7) TSecureShell::WaitForData
(00CF8D65) TSecureShell::Init
(00CF86A5) TSecureShell::Open
(00D80171) TTerminal::Open
(00CB7753) TTerminalThread::TerminalOpenEvent
(00CB26B0) TSignalThread::Execute
(000BBBEF) Userinterface::C20_0
(00015357) KERNEL32.DLL.BaseThreadInitThunk
(00066B72) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066B3F) ntdll.dll.RtlGetAppContainerNamedObjectPath
Authentication log (see session log for details):
Using username "mede.zoltan@hu.ibm.com".

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.

Trying to connect to a SFTP site that has worked many times before with WinSCP.

WinSCP 5.16

Error message:
Invalid access to memory.

Stack trace:
(00C23074) _stripctrl_retarget
(00F7ACC2) C5290_0
(00F7CD2A) ____ExceptionHandler
(00F79AE4) __ExceptionHandler
(00045CD6) ntdll.dll.RtlRaiseStatus
(00045B62) ntdll.dll.KiUserExceptionDispatcher
(00BF072D) _ssh2_userauth_set_transport_layer
(00BF9315) _ssh_ppl_free
(00BCB766) C2601_0
(00BCB859) _run_toplevel_callbacks
(00CFEEC4) TSecureShell::EventSelectLoop
(00CFDDA7) TSecureShell::WaitForData
(00CF8D65) TSecureShell::Init
(00CF86A5) TSecureShell::Open
(00D80171) TTerminal::Open
(00CB7753) TTerminalThread::TerminalOpenEvent
(00CB26B0) TSignalThread::Execute
(000BBBEF) Userinterface::C20_0
(0004DF3A) kernel32.dll.BaseThreadInitThunk
(00062616) ntdll.dll
(000625E6) ntdll.dll
Authentication log (see session log for details):
Using username "hico".

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.

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 5.16

Error message:
Invalid access to memory.

Stack trace:
(00C23074) _stripctrl_retarget
(00F7ACC2) C5290_0
(00F7CD2A) ____ExceptionHandler
(00F79AE4) __ExceptionHandler
(0007E19F) ntdll.dll
(0006BD81) ntdll.dll.KiUserExceptionDispatcher
(00BF072D) _ssh2_userauth_set_transport_layer
(00BF9315) _ssh_ppl_free
(00BCB766) C2601_0
(00BCB859) _run_toplevel_callbacks
(00CFEEC4) TSecureShell::EventSelectLoop
(00CFDDA7) TSecureShell::WaitForData
(00CF8D65) TSecureShell::Init
(00CF86A5) TSecureShell::Open
(00D80171) TTerminal::Open
(00CB7753) TTerminalThread::TerminalOpenEvent
(00CB26B0) TSignalThread::Execute
(000BBBEF) Userinterface::C20_0
(00017492) KERNEL32.DLL.BaseThreadInitThunk
(000631C6) ntdll.dll.RtlAreBitsSet
(00063193) ntdll.dll.RtlAreBitsSet
Authentication log (see session log for details):
Using username "mikel".
Welcome to the MGC SFTP Server on port 22...

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.

Thanks for your reports.

This bug has been added to the tracker:
https://winscp.net/tracker/1794

Stack trace:
(00FC4C46) C5294_3
(00FC6CAE) ____ExceptionHandler
(00FC3A68) __ExceptionHandler
(000878AF) ntdll.dll
(00073EE1) ntdll.dll.KiUserExceptionDispatcher
(00000638) krb5_32.dll
(00001A6D) krb5_32.dll.krb5_cc_resolve
(000672E9) krb5_32.dll.krb5_cc_default
(000673EF) krb5_32.dll.krb5int_cc_default
(0001230C) gssapi32.dll.gss_acquire_cred_with_password
(00017CE5) gssapi32.dll.gss_acquire_cred_with_password
(00017FF2) gssapi32.dll.gss_acquire_cred_with_password
(0000D6DD) gssapi32.dll.gss_inquire_cred_by_mech
(00C4D3B6) C2697_0
(00C23C82) _ssh2_userauth_set_transport_layer
(00C31331) _ssh_ppl_free
(00BFB25A) C2597_0
(00BFB34D) _run_toplevel_callbacks
(00D3D9E0) TSecureShell::EventSelectLoop
(00D3C8C3) TSecureShell::WaitForData
(00D37379) TSecureShell::Init
(00D36CB9) TSecureShell::Open
(00DC2925) TTerminal::Open
(00CF76E7) TTerminalThread::TerminalOpenEvent
(00CF2554) TSignalThread::Execute
(000C183B) Userinterface::C20_0
(0001EA27) KERNEL32.DLL.BaseThreadInitThunk
(00066A9C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00066A69) ntdll.dll.RtlGetAppContainerNamedObjectPath
Authentication log (see session log for details):
Using username "fting1".
******************************************************************************
* WARNING! THIS IS A FORD MOTOR COMPANY PRIVATE COMPUTER SYSTEM. *
* USAGE MAY BE MONITORED. *
* *
* UNAUTHORIZED ACCESS OR USE MAY RESULT IN CRIMINAL OR CIVIL PROSECUTION, *
* DISCIPLINE UP TO AND INCLUDING TERMINATION OF EMPLOYMENT, TERMINATION OF *
* ASSIGNMENT, OR LOSS OF ACCESS. *
* *
* By signing on to the system I agree that, where consistent with *
* applicable law: *
* 1) I understand and will comply with the provisions of Ford Directive *
* B-109, and the other confidentiality policies listed below, *
* 2) I do not have any expectation of privacy in my use of the system, and *
* 3) Ford actively monitors its information, systems, and data to identify *
* and respond to security threats and losses, and any information or *
* data identified through this monitoring may be shared among Ford and *
* Ford's global affiliates and service providers, through approved *
* processes or where legally required, and provided to government *
* authorities (including law enforcement). *
* *
* Ford recognizes that in certain jurisdictions there are specific laws, *
* regulations, and labor agreements that may apply, and Ford will comply *
* with such requirements. *
* *