https://bugs.kde.org/show_bug.cgi?id=469160
Bug ID: 469160
Summary: kscreen-doctor segmentation faults when exiting
Classification: Plasma
Product: KScreen
Version: 5.27.4
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: mooodyhun...@outlook.com
Target Milestone: ---
SUMMARY
kscreen-doctor sometimes gets killed (when calling the destructors?)
STEPS TO REPRODUCE
1. run `kscreen-doctor -j`
2. sometimes it aborts with "malloc_consolidate(): unaligned fastbin chunk
detected"
OBSERVED RESULT
Sometimes:
~ > kscreen-doctor -j
malloc_consolidate(): unaligned fastbin chunk detected
fish: Job 1, 'kscreen-doctor -j' terminated by signal SIGABRT (Abort)
EXPECTED RESULT
kscreen-doctor prints my screen config normally
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: /usr/bin/kscreen-doctor is owned by libkscreen 5.27.4-1
(available in About System)
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.9
ADDITIONAL INFORMATION
Thread 1 "kscreen-doctor" received signal SIGABRT, Aborted.
__pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6,
no_tid=no_tid@entry=0) at pthread_kill.c:44
44 return INTERNAL_SYSCALL_ERROR_P (ret) ? INTERNAL_SYSCALL_ERRNO
(ret) : 0;
(gdb) bt
#0 __pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
#1 0x00007ffff6ca0953 in __pthread_kill_internal (signo=6, threadid=<optimized
out>) at pthread_kill.c:78
#2 0x00007ffff6c51ea8 in __GI_raise (sig=sig@entry=6) at
../sysdeps/posix/raise.c:26
#3 0x00007ffff6c3b53d in __GI_abort () at abort.c:79
#4 0x00007ffff6c3c29e in __libc_message (fmt=fmt@entry=0x7ffff6db377e "%s\n")
at ../sysdeps/posix/libc_fatal.c:150
#5 0x00007ffff6caa657 in malloc_printerr (str=str@entry=0x7ffff6db6400
"malloc_consolidate(): unaligned fastbin chunk detected") at malloc.c:5651
#6 0x00007ffff6cab2ec in malloc_consolidate (av=av@entry=0x7ffff6df1aa0
<main_arena>) at malloc.c:4736
#7 0x00007ffff6cac7e0 in _int_free (av=0x7ffff6df1aa0 <main_arena>,
p=0x555555813ad0, have_lock=<optimized out>, have_lock@entry=0) at
malloc.c:4660
#8 0x00007ffff6caee63 in __GI___libc_free (mem=<optimized out>) at
malloc.c:3367
#9 0x00007ffff72ea9b6 in QArrayData::deallocate (data=<optimized out>,
objectSize=objectSize@entry=2, alignment=alignment@entry=8) at
tools/qarraydata.cpp:267
#10 0x00007ffff1e7b844 in QTypedArrayData<unsigned short>::deallocate
(data=<optimized out>) at /usr/include/qt/QtCore/qarraydata.h:237
#11 QString::~QString (this=<optimized out>, this=<optimized out>) at
/usr/include/qt/QtCore/qstring.h:1311
#12 QString::~QString (this=<optimized out>, this=<optimized out>) at
/usr/include/qt/QtCore/qstring.h:1311
#13 KIconThemeDir::~KIconThemeDir (this=<optimized out>, this=<optimized out>)
at /usr/src/debug/kiconthemes/kiconthemes-5.105.0/src/kicontheme.cpp:114
#14 qDeleteAll<QTypedArrayData<KIconThemeDir*>::const_iterator> (end=...,
begin=...) at /usr/include/qt/QtCore/qalgorithms.h:320
#15 qDeleteAll<QVector<KIconThemeDir*> > (c=...) at
/usr/include/qt/QtCore/qalgorithms.h:328
#16 KIconTheme::~KIconTheme (this=<optimized out>, this=<optimized out>) at
/usr/src/debug/kiconthemes/kiconthemes-5.105.0/src/kicontheme.cpp:391
#17 0x00007ffff1e74a9a in KIconThemeNode::~KIconThemeNode (this=<optimized
out>, this=<optimized out>) at
/usr/src/debug/kiconthemes/kiconthemes-5.105.0/src/kiconloader.cpp:127
#18 qDeleteAll<QList<KIconThemeNode*>::const_iterator> (end=..., begin=...) at
/usr/include/qt/QtCore/qalgorithms.h:320
#19 qDeleteAll<QList<KIconThemeNode*> > (c=...) at
/usr/include/qt/QtCore/qalgorithms.h:328
#20 KIconLoaderPrivate::clear (this=this@entry=0x5555557a79c0) at
/usr/src/debug/kiconthemes/kiconthemes-5.105.0/src/kiconloader.cpp:255
#21 0x00007ffff1e76fde in KIconLoaderPrivate::~KIconLoaderPrivate
(this=<optimized out>, this=<optimized out>) at
/usr/src/debug/kiconthemes/kiconthemes-5.105.0/src/kiconloader.cpp:243
#22 std::default_delete<KIconLoaderPrivate>::operator() (this=<optimized out>,
__ptr=0x5555557a79c0) at /usr/include/c++/12.2.1/bits/unique_ptr.h:95
#23 std::default_delete<KIconLoaderPrivate>::operator() (__ptr=0x5555557a79c0,
this=<optimized out>) at /usr/include/c++/12.2.1/bits/unique_ptr.h:89
#24 std::unique_ptr<KIconLoaderPrivate, std::default_delete<KIconLoaderPrivate>
>::~unique_ptr (this=<optimized out>, this=<optimized out>) at
/usr/include/c++/12.2.1/bits/unique_ptr.h:396
#25 KIconLoader::~KIconLoader (this=<optimized out>, this=<optimized out>) at
/usr/src/debug/kiconthemes/kiconthemes-5.105.0/src/kiconloader.cpp:460
#26 0x00007ffff1e771ee in (anonymous
namespace)::Q_QGS_globalIconLoader::innerFunction()::Holder::~Holder() () at
/usr/src/debug/kiconthemes/kiconthemes-5.105.0/src/kiconloader.cpp:1656
#27 0x00007ffff6c54445 in __run_exit_handlers (status=0, listp=0x7ffff6df1660
<__exit_funcs>, run_list_atexit=run_list_atexit@entry=true,
run_dtors=run_dtors@entry=true) at exit.c:108
#28 0x00007ffff6c545b0 in __GI_exit (status=<optimized out>) at exit.c:138
#29 0x00007ffff6c3c797 in __libc_start_call_main
(main=main@entry=0x555555559170 <main(int, char**)>, argc=argc@entry=2,
argv=argv@entry=0x7fffffffe208) at ../sysdeps/nptl/libc_start_call_main.h:74
#30 0x00007ffff6c3c84a in __libc_start_main_impl (main=0x555555559170
<main(int, char**)>, argc=2, argv=0x7fffffffe208, init=<optimized out>,
fini=<optimized out>, rtld_fini=<optimized out>,
stack_end=0x7fffffffe1f8) at ../csu/libc-start.c:360
#31 0x000055555555aa15 in _start ()
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