Bug 508120

Summary: KRDC crashes connecting to RDP/Win 11
Product: [Applications] krdc Reporter: Waldo <henry1776>
Component: generalAssignee: Urs Wolfer <uwolfer>
Status: RESOLVED FIXED    
Severity: crash CC: ctrlaltca
Priority: NOR Keywords: drkonqi
Version First Reported In: 23.08.5   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In: 25.04.3
Sentry Crash Report:

Description Waldo 2025-08-11 16:55:12 UTC
Application: krdc (23.08.5)

Qt Version: 5.15.13
Frameworks Version: 5.115.0
Operating System: Linux 6.8.0-71-generic x86_64
Windowing System: X11
Distribution: Ubuntu 24.04.3 LTS
DrKonqi: 5.27.11 [KCrashBackend]

-- Information about the crash:
It failed to connect on the first try, and just closed.  The second attempt crashed.  The Window 11 pro machin is on a domain, and the connection is scaled down to a 1080p desktop resolution.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KRDC (krdc), signal: Segmentation fault

[KCrash Handler]
#4  0x00007d45d5370114 in QScreen::availableGeometry() const () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#5  0x000056da5952b9c6 in ?? ()
#6  0x00007d45d4f12dbf in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007d45d65cde95 in RemoteView::framebufferSizeChanged(int, int) () from /lib/x86_64-linux-gnu/libkrdccore.so.5
#8  0x00007d45cdb87a80 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/krdc/libkrdc_rdpplugin.so
#9  0x00007d45d4f12dbf in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007d45d4e3ca4d in QProcess::started(QProcess::QPrivateSignal) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007d45d4e3e62d in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007d45d4e42b1d in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007d45d4f12dbf in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007d45d4f1654d in QSocketNotifier::activated(QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007d45d4f16dcb in QSocketNotifier::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007d45d5b6bd45 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007d45d4ed8118 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007d45d4f35e9d in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007d45d2d145c5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007d45d2d73737 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007d45d2d13a63 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007d45d4f35279 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007d45d4ed6a7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007d45d4edf3e8 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x000056da59520ba6 in ?? ()
#26 0x00007d45d442a1ca in __libc_start_call_main (main=main@entry=0x56da5951ea70, argc=argc@entry=3, argv=argv@entry=0x7ffe64b710e8) at ../sysdeps/nptl/libc_start_call_main.h:58
#27 0x00007d45d442a28b in __libc_start_main_impl (main=0x56da5951ea70, argc=3, argv=0x7ffe64b710e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe64b710d8) at ../csu/libc-start.c:360
#28 0x000056da595215e5 in ?? ()
[Inferior 1 (process 255939) detached]

Reported using DrKonqi
Comment 1 Fabio 2025-08-18 15:38:13 UTC
This has been fixed in krdc 25.04.3