Crash in __dynamic_cast

Similar reports
Problem #742310
Component
kf6-kio
Last affected version
0:6.22.0-1.fc42
Executable
/usr/libexec/kf6/kioworker
Error name
SIGSEGV 11
First occurrence
2026-02-03
Last occurrence
2026-07-07
Unique reports
3
Quality
-57

Statistics

Operating system Unique / Total count
Fedora 42 3 / 9
Operating system Count
Fedora 42 9
Architecture Count
x86_64 9
Related packages Count
llvm-libs 9
 0:20.1.8-4.fc42 9
plasma-breeze-qt6 9
 0:6.5.5-1.fc42 9
kf6-kio-core 9
 0:6.22.0-1.fc42 9
Show more… (4)
qt6-qtsvg 9
 0:6.9.3-1.fc42 9
kf6-kirigami 9
 0:6.22.0-2.fc42 9
shared-mime-info 9
 0:2.3-7.fc42 9
mesa-dri-drivers 9
 0:25.1.9-1.fc42 9

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: da17a1de3672e11530315b25b6072947a0b98033 		-
2
KCrash::defaultCrashHandler(int)
/lib64/libKF6Crash.so.6 0x5285
Build id: 65af3d8127e8621890bd4bec7f44b45c7bbf3c4c 		-
3
/lib64/libc.so.6 0x1a040
Build id: 8569a90e9859345324d8d0374c16836929c0761a 		-
4
genericsig_handler
/lib64/libKF6KIOCore.so.6 0x50d97
Build id: 7031c7fcd762dac33a81dfb0cb3e5d1af1f168cc 		-
5
/lib64/libc.so.6 0x1a040
Build id: 8569a90e9859345324d8d0374c16836929c0761a 		-
6
/lib64/libc.so.6 0x89a50
Build id: 8569a90e9859345324d8d0374c16836929c0761a 		-
7
FcRuleSetCreate
/lib64/libfontconfig.so.1 0x4016
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
8
FcConfigParseAndLoadFromMemoryInternal.lto_priv.0
/lib64/libfontconfig.so.1 0x2bf29
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
9
_FcConfigParse.lto_priv.0
/lib64/libfontconfig.so.1 0x2cbeb
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
10
_FcConfigParse.lto_priv.0
/lib64/libfontconfig.so.1 0x2cc65
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
11
FcEndElement
/lib64/libfontconfig.so.1 0x2d937
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
12
xmlParseEndTag1.constprop.0
/lib64/libxml2.so.2 0x22ce9
Build id: 2e4579b8a4b3e7fe5336a1abc29f7abd47388232 		-
13
xmlParseChunk
/lib64/libxml2.so.2 0x29b20
Build id: 2e4579b8a4b3e7fe5336a1abc29f7abd47388232 		-
14
FcConfigParseAndLoadFromMemoryInternal.lto_priv.0
/lib64/libfontconfig.so.1 0x2bf65
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
15
_FcConfigParse.lto_priv.0
/lib64/libfontconfig.so.1 0x2cbeb
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
16
FcInitLoadOwnConfig
/lib64/libfontconfig.so.1 0x14564
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
17
FcConfigEnsure.lto_priv.0
/lib64/libfontconfig.so.1 0x7a21
Build id: 23f316d1d67a5badfb6450a85f5fd3e51655342a 		-
18
QFontconfigDatabase::~QFontconfigDatabase()
/lib64/libQt6Gui.so.6 0x63ad73
Build id: bf3b60f839e36989afa7f7b331abd5f467a2df1e 		-
19
QFontconfigDatabase::~QFontconfigDatabase()
/lib64/libQt6Gui.so.6 0x63adb5
Build id: bf3b60f839e36989afa7f7b331abd5f467a2df1e 		-
20
QOffscreenX11Integration::~QOffscreenX11Integration()
/usr/lib64/qt6/plugins/platforms/libqoffscreen.so 0xe21f
Build id: cf6e2017acf6a1d97ba29c381aeb0ad6fdd01d7f 		-
21
QGuiApplicationPrivate::~QGuiApplicationPrivate()
/lib64/libQt6Gui.so.6 0xe03c3
Build id: bf3b60f839e36989afa7f7b331abd5f467a2df1e 		-
22
QApplicationPrivate::~QApplicationPrivate()
/lib64/libQt6Widgets.so.6 0x3b2b5
Build id: 6b3ab5af92cbc8ef7f6a2a9f3ab4a3ca6fd459d9 		-
23
kdemain
/usr/lib64/qt6/plugins/kf6/kio/thumbnail.so 0x7903
Build id: 954c9810dddf9013a7955cc62b3e0a1dbe18e61d 		-
24
main
/usr/libexec/kf6/kioworker 0x84a
Build id: 97c14e0ee0a4b231c7adf8d1c9f77bce8674a600 		-
25
__libc_start_call_main
/lib64/libc.so.6 0x3575
Build id: 8569a90e9859345324d8d0374c16836929c0761a 		-
26
__libc_start_main@@GLIBC_2.34
/lib64/libc.so.6 0x3628
Build id: 8569a90e9859345324d8d0374c16836929c0761a 		-
27
_start
/usr/libexec/kf6/kioworker 0xb05
Build id: 97c14e0ee0a4b231c7adf8d1c9f77bce8674a600 		-