https://bugs.kde.org/show_bug.cgi?id=521450
Bug ID: 521450
Summary: Dolphin 26.04.1 crashes (SIGABRT) when creating a new
folder — DolphinView::observeCreatedDirectory
regression from bug #513345
Classification: Applications
Product: dolphin
Version First 26.04.1
Reported In:
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
DESCRIPTION
Dolphin crashes with SIGABRT every time a new folder is created via the
right-click context menu or Ctrl+Shift+N. The window turns gray and
becomes unresponsive immediately after confirming the folder name. The
folder itself is successfully created on disk — the crash occurs in the
post-creation notification path, not during the mkdir operation itself.
This is a regression of bug #513345, which was fixed in Dolphin 25.12.1
via commit 4e74f32a ("DolphinView: observeCreatedDirectory take into
account last / of m_url"). The fix is not present or is incomplete in
the 26.04.1 branch. The crash lands in the identical function:
DolphinView::observeCreatedDirectory.
Multiple SIGABRT coredumps are recorded in coredumpctl on each
occurrence (10+ crashes confirmed today alone during reproduction).
STEPS TO REPRODUCE
1. Open Dolphin and navigate into any local directory
2. Right-click in the empty area of the file view and select
"Create New Folder" (or press Ctrl+Shift+N)
3. Enter a folder name in the dialog and press Enter/click OK
OBSERVED RESULT
Dolphin immediately turns gray and becomes unresponsive. The folder is
created on disk. Dolphin must be force-killed to recover. SIGABRT
coredump is recorded by systemd-coredump.
coredumpctl confirms repeated crashes:
Signal: 6 (ABRT)
Executable: /usr/bin/dolphin
EXPECTED RESULT
The new folder is created and appears in the Dolphin view without any
crash or freeze.
SOFTWARE/OS VERSIONS
Operating System: Manjaro Linux (kernel 6.18.33-1-MANJARO, 64-bit)
KDE Plasma Version: 6.6.5
KDE Frameworks Version: 6.26.0
Qt Version: 6.11.1
Dolphin Version: 26.04.1
Graphics Platform: Wayland
Graphics Processor: NVIDIA GeForce GTX 1050 Ti
ADDITIONAL INFORMATION
Backtrace (thread 7907, main thread):
#0 QUrl::operator=(QUrl const&) (libQt6Core.so.6)
#1 DolphinView::observeCreatedDirectory(QUrl const&)
(libdolphinprivate.so.6)
#2 n/a (libQt6Core.so.6)
#3 DolphinNewFileMenuObserver::directoryCreated(QUrl const&)
(libdolphinprivate.so.6)
#4 n/a (libQt6Core.so.6)
#5 KNewFileMenu::directoryCreated(QUrl const&) (libKF6KIOFileWidgets.so.6)
#6 KNewFileMenu::slotResult(KJob*) (libKF6KIOFileWidgets.so.6)
#7 n/a (libQt6Core.so.6)
#8 KJob::result(KJob*, KJob::QPrivateSignal) (libKF6CoreAddons.so.6)
#9 n/a (libKF6CoreAddons.so.6)
#10 n/a (libQt6Core.so.6)
#11–#14 n/a (libKF6KIOCore.so.6)
#15 QObject::event(QEvent*) (libQt6Core.so.6)
...
#25 QCoreApplication::exec() (libQt6Core.so.6)
The SIGABRT originates inside QUrl::operator=(), called from
DolphinView::observeCreatedDirectory(). The mkdir syscall completes
successfully before the crash; only the post-creation notification
path is affected.
Related bugs: #513345 (RESOLVED FIXED in 25.12.1), #514001 (RESOLVED
DUPLICATE of #513345). This report covers a recurrence or regression
of the same crash in 26.04.1.
Workaround: pressing F4 to open Dolphin's embedded terminal and using
mkdir avoids the crashing code path entirely.
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