Details
-
Bug
-
Resolution: Fixed
-
P1: Critical
-
None
-
6.2.0
-
None
-
Linux/X11
Description
Qt5Compat.GraphicalEffects triggers a crash on shutdown when LinearGradient items (and maybe others?) are used.
The error I see is this: `malloc_consolidate(): unaligned fastbin chunk detected`
Stack trace:
```
(rr) bt
#0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=140404114016448) at pthread_kill.c:44
#1 __pthread_kill_internal (signo=6, threadid=140404114016448) at pthread_kill.c:80
#2 _GI__pthread_kill (threadid=140404114016448, signo=signo@entry=6) at pthread_kill.c:91
#3 0x00007fb2650ba476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#4 0x00007fb2650a07b7 in __GI_abort () at abort.c:79
#5 0x00007fb2651015e6 in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7fb26525313d "%s\n") at ../sysdeps/posix/libc_fatal.c:155
#6 0x00007fb265118adc in malloc_printerr (str=str@entry=0x7fb265255bc8 "malloc_consolidate(): unaligned fastbin chunk detected") at malloc.c:5543
#7 0x00007fb265119d7c in malloc_consolidate (av=av@entry=0x7fb26528cc60 <main_arena>) at malloc.c:4637
#8 0x00007fb26511a870 in _int_free (av=0x7fb26528cc60 <main_arena>, p=0x558795715fa0, have_lock=<optimized out>) at malloc.c:4561
#9 0x00007fb26511cce5 in _GI__libc_free (mem=<optimized out>) at malloc.c:3278
#10 0x00007fb26567d44a in QObjectPrivate::deleteChildren (this=this@entry=0x55879567eba0) at /home/qt/work/qt/qtbase/src/corelib/kernel/qobject.cpp:2106
#11 0x00007fb265681a85 in QObject::~QObject (this=this@entry=0x55879567eaa0, __in_chrg=<optimized out>) at /home/qt/work/qt/qtbase/src/corelib/kernel/qobject.cpp:1115
#12 0x00007fb26492f556 in QWindow::~QWindow (this=this@entry=0x55879567eaa0, __in_chrg=<optimized out>) at /home/qt/work/qt/qtbase/src/gui/kernel/qwindow.cpp:218
#13 0x00007fb25daa23d3 in QQuickWindow::~QQuickWindow (this=this@entry=0x55879567eaa0, __in_chrg=<optimized out>) at /home/qt/work/qt/qtdeclarative/src/quick/items/qquickwindow.cpp:1119
#14 0x00007fb25dbdf30a in QQuickWindowQmlImpl::~QQuickWindowQmlImpl (this=0x55879567eaa0, __in_chrg=<optimized out>)
at /home/qt/work/qt/qtdeclarative/include/QtQuick/6.2.0/QtQuick/private/../../../../../src/quick/items/qquickwindowmodule_p.h:71
#15 QQmlPrivate::QQmlElement<QQuickWindowQmlImpl>::~QQmlElement (this=0x55879567eaa0, __in_chrg=<optimized out>) at /home/qt/work/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:133
#16 QQmlPrivate::QQmlElement<QQuickWindowQmlImpl>::~QQmlElement (this=0x55879567eaa0, __in_chrg=<optimized out>) at /home/qt/work/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:133
#17 0x00007fb265d95bce in qDeleteAll<QList<QObject*>::const_iterator> (end=..., begin=...) at /home/qt/work/install/include/QtCore/qalgorithms.h:59
#18 qDeleteAll<QList<QObject*> > (c=...) at /home/qt/work/install/include/QtCore/qalgorithms.h:67
#19 QQmlApplicationEnginePrivate::cleanUp (this=this@entry=0x55879564ec50) at src/qml/qml/qqmlapplicationengine.cpp:66
#20 0x00007fb265d95c19 in QQmlApplicationEngine::~QQmlApplicationEngine (this=0x7ffed75a72b0, __in_chrg=<optimized out>) at src/qml/qml/qqmlapplicationengine.cpp:275
#21 0x0000558795121522 in main (argc=1, argv=0x7ffed75a7428) at a.cpp:12
```
In attach a small test case code to reproduce the crash.