Crash in __dynamic_cast

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An owning problem doesn't exist yet.
Component
kf6-kio
Last affected version
0:6.19.0-2.fc42
Executable
/usr/libexec/kf6/kioworker
Error name
SIGSEGV 11
First occurrence
2025-10-20
Last occurrence
2026-02-06
Unique reports
2
Quality
-58

Statistics

Operating system Unique / Total count
Fedora 42 2 / 3
Operating system Count
Fedora 42 3
Architecture Count
x86_64 3
Related packages Count
kf6-syntax-highlighting 3
 0:6.19.0-1.fc42 3
kf6-kirigami 3
 0:6.19.0-1.fc42 3
llvm-libs 3
 0:20.1.8-4.fc42 3
Show more… (4)
kf6-kio-core 3
 0:6.19.0-2.fc42 3
mesa-dri-drivers 3
 0:25.1.9-1.fc42 3
qt6-qtsvg 3
 0:6.9.2-1.fc42 3
plasma-breeze-qt6 3
 0:6.4.5-1.fc42 3

Packages names with count less than the total count of reports are most probably not the cause of the problem.

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Backtrace

Frame # Function Binary Source or offset Line
1
__dynamic_cast
/lib64/libstdc++.so.6 0x1d510
Build id: 4860942421f3bcee5f968c941ee75ba916301fa3 		-
2
KCrash::defaultCrashHandler(int)
/lib64/libKF6Crash.so.6 0x5285
Build id: 7c971c30e267a5256bb771b6a25cfce189bcd258 		-
3
/lib64/libc.so.6 0x1a070
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
4
genericsig_handler
/lib64/libKF6KIOCore.so.6 0x50ae7
Build id: 5207ff4b635a260b3d903d5b55dd01a444df50da 		-
5
/lib64/libc.so.6 0x1a070
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
6
FcPStackPop.isra.0
/lib64/libfontconfig.so.1 0x299ed
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
7
xmlParseEndTag1.constprop.0
/lib64/libxml2.so.2 0x22ce9
Build id: 2e4579b8a4b3e7fe5336a1abc29f7abd47388232 		-
8
xmlParseChunk
/lib64/libxml2.so.2 0x29b20
Build id: 2e4579b8a4b3e7fe5336a1abc29f7abd47388232 		-
9
FcConfigParseAndLoadFromMemoryInternal.lto_priv.0
/lib64/libfontconfig.so.1 0x2bf65
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
10
_FcConfigParse.lto_priv.0
/lib64/libfontconfig.so.1 0x2cbeb
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
11
_FcConfigParse.lto_priv.0
/lib64/libfontconfig.so.1 0x2cc65
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
12
FcEndElement
/lib64/libfontconfig.so.1 0x2d937
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
13
xmlParseEndTag1.constprop.0
/lib64/libxml2.so.2 0x22ce9
Build id: 2e4579b8a4b3e7fe5336a1abc29f7abd47388232 		-
14
xmlParseChunk
/lib64/libxml2.so.2 0x29b20
Build id: 2e4579b8a4b3e7fe5336a1abc29f7abd47388232 		-
15
FcConfigParseAndLoadFromMemoryInternal.lto_priv.0
/lib64/libfontconfig.so.1 0x2bf65
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
16
_FcConfigParse.lto_priv.0
/lib64/libfontconfig.so.1 0x2cbeb
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
17
FcInitLoadOwnConfig
/lib64/libfontconfig.so.1 0x14564
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
18
FcConfigEnsure.lto_priv.0
/lib64/libfontconfig.so.1 0x7a21
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
19
QFontconfigDatabase::~QFontconfigDatabase()
/lib64/libQt6Gui.so.6 0x63ae73
Build id: a20b5fda2891a6da3a5f40991c2d2e216b290270 		-
20
QFontconfigDatabase::~QFontconfigDatabase()
/lib64/libQt6Gui.so.6 0x63aeb5
Build id: a20b5fda2891a6da3a5f40991c2d2e216b290270 		-
21
QOffscreenX11Integration::~QOffscreenX11Integration()
/usr/lib64/qt6/plugins/platforms/libqoffscreen.so 0xe21f
Build id: cc32f384636a85e5fe0b985bfd21e38a620ae778 		-
22
QGuiApplicationPrivate::~QGuiApplicationPrivate()
/lib64/libQt6Gui.so.6 0xe0503
Build id: a20b5fda2891a6da3a5f40991c2d2e216b290270 		-
23
QApplicationPrivate::~QApplicationPrivate()
/lib64/libQt6Widgets.so.6 0x3b2b5
Build id: 954a7ef87277b8a15ccc80cf1694adb2e60274e0 		-
24
kdemain
/usr/lib64/qt6/plugins/kf6/kio/thumbnail.so 0x7903
Build id: 540e0539fc8c2ac8f9729fc5f5f3bfdb94178092 		-
25
main
/usr/libexec/kf6/kioworker 0x84a
Build id: 16d65f421adbf7111158118cc98f5447d7615b41 		-
26
__libc_start_call_main
/lib64/libc.so.6 0x3575
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
27
__libc_start_main@@GLIBC_2.34
/lib64/libc.so.6 0x3628
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
28
_start
/usr/libexec/kf6/kioworker 0xb05
Build id: 16d65f421adbf7111158118cc98f5447d7615b41 		-