https://bugs.kde.org/show_bug.cgi?id=374457
Bug ID: 374457
Summary: Unsafe iteration in void Model::responseReceived()
Product: trojita
Version: git
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: IMAP
Assignee: trojita-b...@kde.org
Reporter: j...@kde.org
Target Milestone: ---
Here's a real segfault, possibly triggered by network reconnects:
Thread 1 "trojita" received signal SIGSEGV, Segmentation fault.
QMapNodeBase::nextNode (this=0x31e7280) at
/var/tmp/portage/dev-qt/qtcore-5.7.9999/work/qtcore-5.7.9999/src/corelib/tools/qmap.cpp:58
58
/var/tmp/portage/dev-qt/qtcore-5.7.9999/work/qtcore-5.7.9999/src/corelib/tools/qmap.cpp:
No such file or directory.
(gdb) bt
#0 QMapNodeBase::nextNode (this=0x31e7280) at
/var/tmp/portage/dev-qt/qtcore-5.7.9999/work/qtcore-5.7.9999/src/corelib/tools/qmap.cpp:58
#1 0x00000000005747f3 in QMapNodeBase::nextNode (this=0x31e7280) at
/usr/include/qt5/QtCore/qmap.h:96
#2 QMapNode<Imap::Parser*, Imap::Mailbox::ParserState>::nextNode
(this=0x31e7280) at /usr/include/qt5/QtCore/qmap.h:124
#3 QMap<Imap::Parser*, Imap::Mailbox::ParserState>::iterator::operator++
(this=<optimized out>) at /usr/include/qt5/QtCore/qmap.h:432
#4 Imap::Mailbox::Model::responseReceived (this=<optimized out>) at
/home/jkt/work/prog/trojita/src/Imap/Model/Model.cpp:147
#5 0x00007ffff3416a9a in QObject::event (this=0xae7fe0, e=<optimized out>)
at
/var/tmp/portage/dev-qt/qtcore-5.7.9999/work/qtcore-5.7.9999/src/corelib/kernel/qobject.cpp:1263
#6 0x00007ffff3cae394 in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0xae7fe0, e=0x19543f0)
at
/var/tmp/portage/dev-qt/qtwidgets-5.7.9999/work/qtwidgets-5.7.9999/src/widgets/kernel/qapplication.cpp:3799
#7 0x00007ffff3cb65a6 in QApplication::notify (this=0x7fffffffd620,
receiver=0xae7fe0, e=0x19543f0)
at
/var/tmp/portage/dev-qt/qtwidgets-5.7.9999/work/qtwidgets-5.7.9999/src/widgets/kernel/qapplication.cpp:3556
#8 0x00007ffff33e6bd8 in QCoreApplication::notifyInternal2 (receiver=0xae7fe0,
event=event@entry=0x19543f0)
at
/var/tmp/portage/dev-qt/qtcore-5.7.9999/work/qtcore-5.7.9999/src/corelib/kernel/qcoreapplication.cpp:988
#9 0x00007ffff33e98e7 in QCoreApplication::sendEvent (event=0x19543f0,
receiver=<optimized out>)
at
/var/tmp/portage/dev-qt/qtcore-5.7.9999/work/qtcore-5.7.9999/src/corelib/kernel/qcoreapplication.h:231
#10 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0x941fb0)
at
/var/tmp/portage/dev-qt/qtcore-5.7.9999/work/qtcore-5.7.9999/src/corelib/kernel/qcoreapplication.cpp:1649
#11 0x00007ffff33e9ebe in QCoreApplication::sendPostedEvents
(receiver=receiver@entry=0x0, event_type=event_type@entry=0)
at
/var/tmp/portage/dev-qt/qtcore-5.7.9999/work/qtcore-5.7.9999/src/corelib/kernel/qcoreapplication.cpp:1503
#12 0x00007ffff3440499 in postEventSourceDispatch (s=0x998770)
at
/var/tmp/portage/dev-qt/qtcore-5.7.9999/work/qtcore-5.7.9999/src/corelib/kernel/qeventdispatcher_glib.cpp:276
#13 0x00007fffedf7980c in g_main_dispatch (context=0x7fffe00016f0) at
/var/tmp/portage/dev-libs/glib-2.48.2/work/glib-2.48.2/glib/gmain.c:3154
#14 g_main_context_dispatch (context=context@entry=0x7fffe00016f0) at
/var/tmp/portage/dev-libs/glib-2.48.2/work/glib-2.48.2/glib/gmain.c:3769
#15 0x00007fffedf79b18 in g_main_context_iterate
(context=context@entry=0x7fffe00016f0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>)
at /var/tmp/portage/dev-libs/glib-2.48.2/work/glib-2.48.2/glib/gmain.c:3840
#16 0x00007fffedf79c21 in g_main_context_iteration (context=0x7fffe00016f0,
may_block=1) at
/var/tmp/portage/dev-libs/glib-2.48.2/work/glib-2.48.2/glib/gmain.c:3901
#17 0x00007ffff344054d in QEventDispatcherGlib::processEvents (this=0x9b5c70,
flags=...)
at
/var/tmp/portage/dev-qt/qtcore-5.7.9999/work/qtcore-5.7.9999/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#18 0x00007ffff33e517a in QEventLoop::exec (this=this@entry=0x7fffffffd480,
flags=..., flags@entry=...)
at
/var/tmp/portage/dev-qt/qtcore-5.7.9999/work/qtcore-5.7.9999/src/corelib/kernel/qeventloop.cpp:212
#19 0x00007ffff33ee116 in QCoreApplication::exec () at
/var/tmp/portage/dev-qt/qtcore-5.7.9999/work/qtcore-5.7.9999/src/corelib/kernel/qcoreapplication.cpp:1261
#20 0x0000000000443758 in main (argc=<optimized out>, argv=<optimized out>) at
/home/jkt/work/prog/trojita/src/Gui/main.cpp:214
IMHO that generic responseReceived() should not exist -- it seems that we
should always know about what connection any response belongs to.
--
You are receiving this mail because:
You are watching all bug changes.
