Zugriffsverletzung - ungültiger Zugriff auf den Speicher - TBookmarkList::GetCount

Happened while opening either the drop-down of all drives or while hovering/klicking? the "open-dialog" right next to it.

WinSCP 5.14

Error message:
Zugriffsverletzung - ungültiger Zugriff auf den Speicher.

Stack trace:
(006AC5F4) TBookmarkList::GetCount
(0007DABF) ntdll.dll
(0006B6E1) ntdll.dll.KiUserExceptionDispatcher
(0002A195) TCustomScpExplorerForm::CreateOpenDirMenu
(0005089C) TScpCommanderForm::LocalOpenDirButtonPopup
(004A613A) Tbx::TTBXCustomItem::CreatePopup

The problem happens rarely. I cannot reproduce it.

Happened when clicking on "Open directory/bookmark".

WinSCP 5.14.1

Error message:
Invalid access to memory.

Stack trace:
(006AC7C8) TBookmarkList::GetCount
(0006248E) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(0002A195) TCustomScpExplorerForm::CreateOpenDirMenu
(000508B0) TScpCommanderForm::LocalOpenDirButtonPopup
(004A628A) Tbx::TTBXCustomItem::CreatePopup
(0048F12C) Tb2item::TTBView::OpenChildPopup
(00492816) Tb2item::TTBModalHandler::Loop
(004919A7) Tb2item::TTBView::EnterToolbarLoop
(0049F452) Tb2toolbar::TTBToolbarView::EnterToolbarLoop
(00269D90) Vcl::Controls::TControl::DoMouseDown
(00269DDF) Vcl::Controls::TControl::WMLButtonDown
(0026E291) Vcl::Controls::TWinControl::WndProc
(0026D8D8) Vcl::Controls::TWinControl::MainWndProc
(00397B6C) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

Clicking selection (combo box) at local window to change drive after login to a system.

WinSCP 5.14.1

Error message:
Invalid access to memory.

Stack trace:
(006AC7C8) TBookmarkList::GetCount
(0008341F) ntdll.dll
(000711F1) ntdll.dll.KiUserExceptionDispatcher
(0002A195) TCustomScpExplorerForm::CreateOpenDirMenu
(000508B0) TScpCommanderForm::LocalOpenDirButtonPopup
(004A628A) Tbx::TTBXCustomItem::CreatePopup
(0048F12C) Tb2item::TTBView::OpenChildPopup
(00492816) Tb2item::TTBModalHandler::Loop
(004919A7) Tb2item::TTBView::EnterToolbarLoop
(0049F452) Tb2toolbar::TTBToolbarView::EnterToolbarLoop
(00269D90) Vcl::Controls::TControl::DoMouseDown
(00269DDF) Vcl::Controls::TControl::WMLButtonDown
(0026E291) Vcl::Controls::TWinControl::WndProc
(0026D8D8) Vcl::Controls::TWinControl::MainWndProc
(00397B6C) System::Classes::_18201
(00045269) USER32.dll
(000361B7) USER32.dll
(000352E6) USER32.dll
(000350BB) USER32.dll.DispatchMessageW

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 5.14.1

Error message:
Acceso a memoria no válido

Traza de la pila:
(006AC7C8) TBookmarkList::GetCount
(00062496) ntdll.dll
(0000F13E) ntdll.dll.KiUserExceptionDispatcher
(0002A1C3) TCustomScpExplorerForm::CreateOpenDirMenu
(000508B0) TScpCommanderForm::LocalOpenDirButtonPopup
(004A628A) Tbx::TTBXCustomItem::CreatePopup
(0048F12C) Tb2item::TTBView::OpenChildPopup
(00492816) Tb2item::TTBModalHandler::Loop
(004919A7) Tb2item::TTBView::EnterToolbarLoop
(0049F452) Tb2toolbar::TTBToolbarView::EnterToolbarLoop
(00269D90) Vcl::Controls::TControl::DoMouseDown
(00269DDF) Vcl::Controls::TControl::WMLButtonDown
(0026E291) Vcl::Controls::TWinControl::WndProc
(0026D8D8) Vcl::Controls::TWinControl::MainWndProc
(00397B6C) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

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.

This bug is being tracked already:
https://winscp.net/tracker/1697

marcelo@... wrote:

WinSCP 5.14.1

Error message:
Acceso a memoria no válido

Traza de la pila:
(006AC7C8) TBookmarkList::GetCount
(00062496) ntdll.dll
(0000F13E) ntdll.dll.KiUserExceptionDispatcher
(0002A1C3) TCustomScpExplorerForm::CreateOpenDirMenu
(000508B0) TScpCommanderForm::LocalOpenDirButtonPopup
(004A628A) Tbx::TTBXCustomItem::CreatePopup
(0048F12C) Tb2item::TTBView::OpenChildPopup
(00492816) Tb2item::TTBModalHandler::Loop
(004919A7) Tb2item::TTBView::EnterToolbarLoop
(0049F452) Tb2toolbar::TTBToolbarView::EnterToolbarLoop
...

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'm sending you an email with a development version of WinSCP to the address you have used to register on this forum.