https://bugs.kde.org/show_bug.cgi?id=511909
Bug ID: 511909
Summary: NeoChat crashes for unknown reasons when receiving an
event in a certain room
Classification: Applications
Product: NeoChat
Version First 25.08.2
Reported In:
Platform: Flatpak
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: General
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Target Milestone: ---
SUMMARY
NeoChat crashes for unknown reasons when receiving an event in a certain room
STEPS TO REPRODUCE
1. Open NeoChat
2. Open the offending room
3. Wait until events are received
Unfortunately the offending room is not federated/local-only so I can’t post a
link to there.
OBSERVED RESULT
Crash/SIGSEGV
EXPECTED RESULT
Room loads OK
SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux 13
KDE Plasma Version: 6.3.6
KDE Frameworks Version: 6.13.0
Qt Version: 6.8.2
Kernel Version: 6.16.11-1-liquorix-amd64 (64-bit)
Flatpak Version: 1.16.1
Graphics Platform: Wayland
Processors: 4 × AMD FX-8800P Radeon R7, 12 Compute Cores 4C+8G
Memory: 17 GB of RAM (15.7 GB usable)
Graphics Processor 1: AMD Radeon R7 Graphics
Graphics Processor 2: AMD Radeon R9 M385
ADDITIONAL INFORMATION
Pointers for debugging this would be appreciated (maybe a way to extract the
offending event that causes this?). Only thing I found out so far is the
QString it is attempting to copy in the trace appears to be broken (ptr=0x50).
#0 QArrayDataPointer<char16_t>::ref (this=0x7fff7c013410) at
/usr/include/QtCore/qarraydatapointer.h:451
No locals.
#1 QArrayDataPointer<char16_t>::QArrayDataPointer (this=0x7fff7c013410,
other=...) at /usr/include/QtCore/qarraydatapointer.h:40
No locals.
#2 QString::QString (this=0x7fff7c013410, other=...) at
/usr/include/QtCore/qstring.h:1340
No locals.
#3 QtPrivate::QGenericArrayOps<QString>::copyAppend (this=0x7fffffffbc60,
b=0x55555725f410, e=0x55555725f440)
at /usr/include/QtCore/qarraydataops.h:294
data = <optimized out>
data = <optimized out>
#4 QList<QString>::QList<QList<QString>::const_iterator, true>
(this=0x7fffffffbc60, i1=..., i2=...) at /usr/include/QtCore/qlist.h:320
distance = <optimized out>
#5 QList<QString>::first (this=0x7fffffffbc20, n=<optimized out>) at
/usr/include/QtCore/qlist.h:687
No locals.
#6 PollHandler::handleResponse (this=<optimized out>, event=<optimized out>)
at /run/build/neochat/src/messagecontent/pollhandler.cpp:115
pollStartEvent = <optimized out>
#7 0x000055555591f27c in PollHandler::handleResponse (this=0x555559a5b190,
event=0x555559159430)
at /run/build/neochat/src/messagecontent/pollhandler.cpp:97
pollStartEvent = <optimized out>
#8 PollHandler::handleEvent (this=0x555559a5b190, event=<optimized out>) at
/run/build/neochat/src/messagecontent/pollhandler.cpp:85
pollStartEvent = 0x555558fb2990
#9 0x000055555591f570 in operator() (__closure=0x5555569cf550) at
/run/build/neochat/src/messagecontent/pollhandler.cpp:55
event = std::unique_ptr<Quotient::RoomEvent> = {get() = 0x555559159430}
__for_range = @0x7fffffffbf00: std::vector of length 10, capacity 10 =
{std::unique_ptr<Quotient::RoomEvent> = {
get() = 0x555559159430}, std::unique_ptr<Quotient::RoomEvent> =
{get() = 0x7fff7c007b30},
std::unique_ptr<Quotient::RoomEvent> = {get() = 0x555559880f00},
std::unique_ptr<Quotient::RoomEvent> = {
get() = 0x7fff7c006840}, std::unique_ptr<Quotient::RoomEvent> =
{get() = 0x55555998cc40},
std::unique_ptr<Quotient::RoomEvent> = {get() = 0x555558f75410},
std::unique_ptr<Quotient::RoomEvent> = {
get() = 0x555556915e10}, std::unique_ptr<Quotient::RoomEvent> =
{get() = 0x55555914dbf0},
std::unique_ptr<Quotient::RoomEvent> = {get() = 0x555559133b30},
std::unique_ptr<Quotient::RoomEvent> = {
get() = 0x555557d79440}}
__for_begin = <optimized out>
__for_end = <optimized out>
job = {<QPointer<Quotient::GetRelatingEventsJob>> = {wp = {d =
0x555557790180,
value = 0x5555590bf710}},
<QFuture<Quotient::GetRelatingEventsJob*>> = {
d = {<QFutureInterfaceBase> = {<No data fields>}, <No data
fields>}}, <No data fields>}
this = 0x555559a5b190
job = <optimized out>
this = <optimized out>
event = <optimized out>
__for_range = <optimized out>
__for_begin = <optimized out>
__for_end = <optimized out>
#10 operator() (__closure=<optimized out>) at
/usr/include/QtCore/qobjectdefs_impl.h:116
arg = <optimized out>
f = <optimized out>
arg = <optimized out>
f = <optimized out>
#11 QtPrivate::FunctorCallBase::call_internal<void,
QtPrivate::FunctorCall<std::integer_sequence<long unsigned int>,
QtPrivate::List<>, void, PollHandler::checkLoadRelations()::<lambda()>
>::call(PollHandler::checkLoadRelations()::<lambda()>&, void**)::<lambda()> > (
args=<optimized out>, fn=...) at /usr/include/QtCore/qobjectdefs_impl.h:65
No locals.
#12 QtPrivate::FunctorCall<std::integer_sequence<long unsigned int>,
QtPrivate::List<>, void, PollHandler::checkLoadRelations()::<lambda()> >::call
(f=..., arg=<optimized out>) at /usr/include/QtCore/qobjectdefs_impl.h:115
No locals.
#13 QtPrivate::FunctorCallable<PollHandler::checkLoadRelations()::<lambda()>
>::call<QtPrivate::List<>, void> (f=..., arg=<optimized out>)
at /usr/include/QtCore/qobjectdefs_impl.h:337
No locals.
#14 QtPrivate::QCallableObject<PollHandler::checkLoadRelations()::<lambda()>,
QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *,
void **, bool *) (which=<optimized out>, this_=0x5555569cf540, r=<optimized
out>, a=<optimized out>, ret=<optimized out>)
at /usr/include/QtCore/qobjectdefs_impl.h:547
that = 0x5555569cf540
#15 0x00007ffff401222e in ?? () from /usr/lib/x86_64-linux-gnu/libQt6Core.so.6
No symbol table info available.
#16 0x0000555555b26b54 in QMetaObject::activate<void, Quotient::BaseJob*>
(sender=<optimized out>,
mo=0x5555560eae40 <Quotient::BaseJob::staticMetaObject>,
local_signal_index=7, ret=0x0) at /usr/include/QtCore/qobjectdefs.h:306
_a = {0x0, 0x7fffffffc078}
_a = <optimized out>
#17 Quotient::BaseJob::success (this=<optimized out>, _t1=<optimized out>)
at
/run/build/libquotient/_flatpak_build/QuotientQt6_autogen/T4CFEN5LXH/moc_basejob.cpp:410
No locals.
#18 0x0000555555c4364d in Quotient::BaseJob::finishJob (this=0x5555590bf710) at
/run/build/libquotient/Quotient/jobs/basejob.cpp:618
__PRETTY_FUNCTION__ = "void Quotient::BaseJob::finishJob()"
#19 0x00007ffff401222e in ?? () from /usr/lib/x86_64-linux-gnu/libQt6Core.so.6
No symbol table info available.
#20 0x00007ffff40038b2 in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt6Core.so.6
No symbol table info available.
#21 0x00007ffff53a182d in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6
No symbol table info available.
#22 0x00007ffff3fa8048 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt6Core.so.6
No symbol table info available.
#23 0x00007ffff3fabc98 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) ()
from /usr/lib/x86_64-linux-gnu/libQt6Core.so.6
No symbol table info available.
#24 0x00007ffff42d127f in ?? () from /usr/lib/x86_64-linux-gnu/libQt6Core.so.6
No symbol table info available.
#25 0x00007ffff3d133d6 in g_main_dispatch.lto_priv () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#26 0x00007ffff3d74047 in g_main_context_iterate_unlocked.isra () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#27 0x00007ffff3d12863 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#28 0x00007ffff42d09b3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt6Core.so.6
No symbol table info available.
#29 0x00007ffff3fb5d63 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt6Core.so.6
No symbol table info available.
#30 0x00007ffff3fb11a1 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt6Core.so.6
No symbol table info available.
#31 0x000055555565a9a2 in main (argc=<optimized out>, argv=<optimized out>) at
/run/build/neochat/src/app/main.cpp:316
app = <incomplete type>
about = {d = std::unique_ptr<KAboutDataPrivate> = {get() =
0x5555562e4e30}}
colorScheme = {<QObject> = {<No data fields>}, static staticMetaObject
= {d = {superdata = {
direct = 0x7ffff44b05c0 <QObject::staticMetaObject>},
stringdata = 0x555555e22540
<ColorSchemer::qt_staticMetaObjectStaticContent<(anonymous
namespace)::qt_meta_tag_ZN12ColorSchemerE_t>+160>,
data = 0x555555e224a0
<ColorSchemer::qt_staticMetaObjectStaticContent<(anonymous
namespace)::qt_meta_tag_ZN12ColorSchemerE_t>>, static_metacall = 0x55555586daa0
<ColorSchemer::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>,
relatedMetaObjects = 0x0,
metaTypes = 0x5555560d8120
<ColorSchemer::qt_staticMetaObjectRelocatingContent<(anonymous
namespace)::qt_meta_tag_ZN12ColorSchemerE_t>>, extradata = 0x0}}}
parser = {d = 0x5555565366a0}
replaceOption = {d = {d = {ptr = 0x5555565d74f0}}}
testOption = {d = {d = {ptr = 0x5555565d7d30}}}
dbusActivatedOption = {d = {d = {ptr = 0x5555565d7de0}}}
shareOption = {d = {d = {ptr = 0x5555565d7e90}}}
service = <incomplete type>
accountManager = <optimized out>
engine = <incomplete type>
runner = 0x555556108fa0 <Runner::create(QQmlEngine*,
QJSEngine*)::instance>
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