https://bugs.kde.org/show_bug.cgi?id=371395
Bug ID: 371395
Summary: Ktorrent crash while adding magnet link.
Product: ktorrent
Version: 4.3.1
Platform: unspecified
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: joris.guis...@gmail.com
Reporter: jodr...@live.com
Application: ktorrent (4.3.1)
KDE Platform Version: 4.14.16
Qt Version: 4.8.7
Operating System: Linux 4.8.3-040803-generic x86_64
Distribution: KDE neon Developer Edition
-- Information about the crash:
As title says. First time it happens to me, i did notice that sometimes it
takes a long time to add them.
- What I was doing when the application crashed:
Adding a magnet link from firefox.
The crash can be reproduced sometimes.
-- Backtrace:
Application: KTorrent (ktorrent), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcac03be900 (LWP 20697))]
Thread 5 (Thread 0x7fca98f33700 (LWP 20706)):
#0 0x00007fcabc16fe8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007fcab19b8235 in send_dg (ansp2_malloced=0x0, resplen2=0x0,
anssizp2=0x0, ansp2=0x0, anscp=0x7fca98f31eb0, gotsomewhere=<synthetic
pointer>, v_circuit=<synthetic pointer>, ns=0, terrno=0x7fca98f316d8,
anssizp=0x7fca98f31810, ansp=0x7fca98f316c8, buflen2=0, buf2=0x0, buflen=43,
buf=0x7fca98f31840 "", statp=0x7fca98f33db8) at res_send.c:1165
#2 __libc_res_nsend (statp=statp@entry=0x7fca98f33db8,
buf=buf@entry=0x7fca98f31840 "", buflen=buflen@entry=43, buf2=buf2@entry=0x0,
buflen2=buflen2@entry=0, ans=ans@entry=0x7fca98f31a50 "\217\212\201\200",
anssiz=1024, ansp=0x7fca98f31eb0, ansp2=0x0, nansp2=0x0, resplen2=0x0,
ansp2_malloced=0x0) at res_send.c:538
#3 0x00007fcab19b5e32 in __GI___libc_res_nquery (statp=0x7fca98f33db8,
name=name@entry=0x7fca98f31ec0 "239.40.137.2.in-addr.arpa",
class=class@entry=1, type=type@entry=12, answer=0x7fca98f31a50
"\217\212\201\200", anslen=anslen@entry=1024, answerp=0x7fca98f31eb0,
answerp2=0x0, nanswerp2=0x0, resplen2=0x0, answerp2_malloced=0x0) at
res_query.c:227
#4 0x00007fcaa886ffa1 in __GI__nss_dns_gethostbyaddr2_r (addr=0x7fca98f32a54,
len=4, af=2, result=0x7fca98f32430, buffer=0x7fca98f325f0 "\377\002",
buflen=1024, errnop=0x7fca98f33670, h_errnop=0x7fca98f32424, ttlp=0x0) at
nss_dns/dns-host.c:485
#5 0x00007fcaa8870723 in _nss_dns_gethostbyaddr_r (addr=<optimized out>,
len=<optimized out>, af=<optimized out>, result=<optimized out>,
buffer=<optimized out>, buflen=<optimized out>, errnop=0x7fca98f33670,
h_errnop=0x7fca98f32424) at nss_dns/dns-host.c:544
#6 0x00007fcabc18e11d in __gethostbyaddr_r (addr=addr@entry=0x7fca98f32a54,
len=len@entry=4, type=type@entry=2, resbuf=resbuf@entry=0x7fca98f32430,
buffer=0x7fca98f325f0 "\377\002", buflen=1024, result=0x7fca98f32428,
h_errnop=0x7fca98f32424) at ../nss/getXXbyYY_r.c:266
#7 0x00007fcabc195c47 in __GI_getnameinfo (sa=sa@entry=0x7fca98f32a50,
addrlen=<optimized out>, host=host@entry=0x7fca98f32ad0 "",
hostlen=hostlen@entry=199, serv=serv@entry=0x7fca98f32ba0 "",
servlen=servlen@entry=199, flags=8) at getnameinfo.c:245
#8 0x00007fcabff3fcf6 in net::ReverseResolver::resolve
(this=this@entry=0x3597d10, addr=...) at ../../src/net/reverseresolver.cpp:65
#9 0x00007fcabff3fd78 in net::ReverseResolver::run (this=this@entry=0x3597d10)
at ../../src/net/reverseresolver.cpp:74
#10 0x00007fcabff400da in net::ReverseResolverThread::run (this=0x22015d0) at
../../src/net/reverseresolver.cpp:119
#11 0x00007fcabcd6fe3c in QThreadPrivate::start (arg=0x22015d0) at
thread/qthread_unix.cpp:352
#12 0x00007fcab904c6fa in start_thread (arg=0x7fca98f33700) at
pthread_create.c:333
#13 0x00007fcabc17bb5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 4 (Thread 0x7fca99734700 (LWP 20705)):
#0 __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1 0x00007fcabc0f4e8d in _int_free (av=0x7fcabc438b20 <main_arena>,
p=0x2f9de90, have_lock=0) at malloc.c:3963
#2 0x00007fcabc0f8abc in __GI___libc_free (mem=<optimized out>) at
malloc.c:2969
#3 0x00007fcabff6621c in bt::Packet::~Packet (this=0x3368ac0,
__in_chrg=<optimized out>) at ../../src/download/packet.cpp:99
#4 bt::Packet::~Packet (this=0x3368ac0, __in_chrg=<optimized out>) at
../../src/download/packet.cpp:100
#5 0x00007fcabff38f11 in QtSharedPointer::ExternalRefCount<bt::Packet>::deref
(value=0x3368ac0, d=0x30d2730) at
/usr/include/qt4/QtCore/qsharedpointer_impl.h:342
#6 QtSharedPointer::ExternalRefCount<bt::Packet>::internalCopy<bt::Packet>
(other=..., this=0x2e2ef98) at
/usr/include/qt4/QtCore/qsharedpointer_impl.h:412
#7 QSharedPointer<bt::Packet>::operator= (other=..., this=0x2e2ef98) at
/usr/include/qt4/QtCore/qsharedpointer_impl.h:483
#8 net::PacketSocket::write (this=0x2e2ef30, max=439, now=1476990068932) at
../../src/net/packetsocket.cpp:135
#9 0x00007fcabff3e9b8 in net::SocketGroup::processLimited (this=0x1c134b0,
up=true, now=1476990068932, allowance=@0x7fca99733c04: 2712) at
../../src/net/socketgroup.cpp:77
#10 0x00007fcabff3ec40 in net::SocketGroup::process (this=0x1c134b0,
up=<optimized out>, now=<optimized out>, global_allowance=@0x7fca99733c04:
2712) at ../../src/net/socketgroup.cpp:188
#11 0x00007fcabff3db17 in net::NetworkThread::doGroupsLimited
(this=this@entry=0x1c131a0, num_ready=num_ready@entry=7,
now=now@entry=1476990068932, allowance=@0x7fca99733c60: 3072) at
../../src/net/networkthread.cpp:111
#12 0x00007fcabff3dd46 in net::NetworkThread::doGroups
(this=this@entry=0x1c131a0, num_ready=num_ready@entry=7,
now=now@entry=1476990068932, limit=<optimized out>) at
../../src/net/networkthread.cpp:190
#13 0x00007fcabff3d1d5 in net::UploadThread::update (this=0x1c131a0) at
../../src/net/uploadthread.cpp:81
#14 0x00007fcabff3d8c9 in net::NetworkThread::run (this=0x1c131a0) at
../../src/net/networkthread.cpp:48
#15 0x00007fcabcd6fe3c in QThreadPrivate::start (arg=0x1c131a0) at
thread/qthread_unix.cpp:352
#16 0x00007fcab904c6fa in start_thread (arg=0x7fca99734700) at
pthread_create.c:333
#17 0x00007fcabc17bb5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3 (Thread 0x7fcaaac7c700 (LWP 20704)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fcabcd6e672 in _q_futex (val2=0, addr2=0x0, timeout=0x0, val=2,
op=0, addr=0x1c12d80) at thread/qmutex_unix.cpp:99
#2 QMutexPrivate::wait (this=this@entry=0x1c12d80, timeout=timeout@entry=-1)
at thread/qmutex_unix.cpp:113
#3 0x00007fcabcd6aa5d in QMutex::lock (this=<optimized out>) at
thread/qmutex.cpp:164
#4 0x00007fcabff3bee9 in net::SocketMonitor::lock (this=<optimized out>) at
../../src/net/socketmonitor.cpp:108
#5 0x00007fcabff3d6dc in net::DownloadThread::update (this=0x1c12db0) at
../../src/net/downloadthread.cpp:51
#6 0x00007fcabff3d8c9 in net::NetworkThread::run (this=0x1c12db0) at
../../src/net/networkthread.cpp:48
#7 0x00007fcabcd6fe3c in QThreadPrivate::start (arg=0x1c12db0) at
thread/qthread_unix.cpp:352
#8 0x00007fcab904c6fa in start_thread (arg=0x7fcaaac7c700) at
pthread_create.c:333
#9 0x00007fcabc17bb5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 2 (Thread 0x7fcaaa47b700 (LWP 20699)):
#0 __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1 0x00007fcabc0f4e8d in _int_free (av=0x7fcabc438b20 <main_arena>,
p=0x2a7b670, have_lock=0) at malloc.c:3963
#2 0x00007fcabc0f8abc in __GI___libc_free (mem=<optimized out>) at
malloc.c:2969
#3 0x00007fcabfff3e19 in utp::DelayWindow::~DelayWindow (this=0x2e735c0,
__in_chrg=<optimized out>) at ../../src/utp/delaywindow.cpp:38
#4 0x00007fcabffee251 in utp::Connection::~Connection (this=0x280ee00,
__in_chrg=<optimized out>) at ../../src/utp/connection.cpp:87
#5 0x00007fcabffee349 in utp::Connection::~Connection (this=0x280ee00,
__in_chrg=<optimized out>) at ../../src/utp/connection.cpp:88
#6 0x00007fcabffeb96c in
QtSharedPointer::ExternalRefCount<utp::Connection>::deref (value=0x280ee00,
d=0x2842010) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:342
#7 QtSharedPointer::ExternalRefCount<utp::Connection>::deref (this=0x2693458)
at /usr/include/qt4/QtCore/qsharedpointer_impl.h:336
#8 QtSharedPointer::ExternalRefCount<utp::Connection>::~ExternalRefCount
(this=0x2693458, __in_chrg=<optimized out>) at
/usr/include/qt4/QtCore/qsharedpointer_impl.h:401
#9 QSharedPointer<utp::Connection>::~QSharedPointer (this=0x2693458,
__in_chrg=<optimized out>) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:466
#10 QMap<unsigned short, QSharedPointer<utp::Connection> >::erase
(this=0x1dbed60, it=..., it@entry=...) at /usr/include/qt4/QtCore/qmap.h:737
#11 0x00007fcabffe6f8b in utp::UTPServer::cleanup (this=0x1dbe170) at
../../src/utp/utpserver.cpp:520
#12 0x00007fcabce99db1 in QObject::event (this=0x1dbe170, e=<optimized out>) at
kernel/qobject.cpp:1222
#13 0x00007fcabd3b1fdc in QApplicationPrivate::notify_helper
(this=this@entry=0x1c50830, receiver=receiver@entry=0x1dbe170,
e=e@entry=0x7fca9c0191d0) at kernel/qapplication.cpp:4570
#14 0x00007fcabd3b8f16 in QApplication::notify (this=0x7ffd015b35e0,
receiver=0x1dbe170, e=0x7fca9c0191d0) at kernel/qapplication.cpp:4356
#15 0x000000000043d0c1 in kt::App::notify (this=<optimized out>,
receiver=<optimized out>, event=<optimized out>) at ../../ktorrent/app.cpp:99
#16 0x00007fcabce7f90d in QCoreApplication::notifyInternal
(this=0x7ffd015b35e0, receiver=receiver@entry=0x1dbe170,
event=event@entry=0x7fca9c0191d0) at kernel/qcoreapplication.cpp:955
#17 0x00007fcabce833c6 in QCoreApplication::sendEvent (event=0x7fca9c0191d0,
receiver=0x1dbe170) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0x1c61440) at
kernel/qcoreapplication.cpp:1579
#19 0x00007fcabce836a3 in QCoreApplication::sendPostedEvents
(receiver=receiver@entry=0x0, event_type=event_type@entry=0) at
kernel/qcoreapplication.cpp:1472
#20 0x00007fcabceb013e in QCoreApplication::sendPostedEvents () at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#21 postEventSourceDispatch (s=0x7fca9c0012e0) at
kernel/qeventdispatcher_glib.cpp:300
#22 0x00007fcab80af1a7 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fcab80af400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fcab80af4ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fcabceb02ae in QEventDispatcherGlib::processEvents
(this=0x7fca9c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#26 0x00007fcabce7e18f in QEventLoop::processEvents
(this=this@entry=0x7fcaaa47acd0, flags=...) at kernel/qeventloop.cpp:149
#27 0x00007fcabce7e4f5 in QEventLoop::exec (this=this@entry=0x7fcaaa47acd0,
flags=...) at kernel/qeventloop.cpp:204
#28 0x00007fcabcd6d549 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:538
#29 0x00007fcabcd6fe3c in QThreadPrivate::start (arg=0x1dba7d0) at
thread/qthread_unix.cpp:352
#30 0x00007fcab904c6fa in start_thread (arg=0x7fcaaa47b700) at
pthread_create.c:333
#31 0x00007fcabc17bb5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 1 (Thread 0x7fcac03be900 (LWP 20697)):
[KCrash Handler]
#6 0x00007fcabc0aa418 in __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:54
#7 0x00007fcabc0ac01a in __GI_abort () at abort.c:89
#8 0x00007fcabc0ec72a in __libc_message (do_abort=do_abort@entry=2,
fmt=fmt@entry=0x7fcabc2056b0 "*** Error in `%s': %s: 0x%s ***\n") at
../sysdeps/posix/libc_fatal.c:175
#9 0x00007fcabc0f6f01 in malloc_printerr (ar_ptr=0x3, ptr=<optimized out>,
str=0x7fcabc205ae0 "malloc(): smallbin double linked list corrupted", action=3)
at malloc.c:5007
#10 _int_malloc (av=av@entry=0x7fcabc438b20 <main_arena>, bytes=bytes@entry=34)
at malloc.c:3387
#11 0x00007fcabc0f85a4 in __GI___libc_malloc (bytes=bytes@entry=34) at
malloc.c:2914
#12 0x00007fcabcd68af5 in qMalloc (size=size@entry=34) at global/qmalloc.cpp:55
#13 0x00007fcabcdb8a9f in QString::QString (this=0x7ffd015b1c50,
unicode=0x7ffd015b1bf0, size=1) at tools/qstring.cpp:1060
#14 0x00007fcabcd9d41c in qulltoa (l=<optimized out>, l@entry=8,
base=base@entry=10, _zero=...) at tools/qlocale_tools.cpp:108
#15 0x00007fcabcd9d4da in qlltoa (l=l@entry=8, base=base@entry=10, zero=...,
zero@entry=...) at tools/qlocale_tools.cpp:113
#16 0x00007fcabcd959da in QLocalePrivate::longLongToString (zero=...,
group=..., plus=..., minus=..., l=l@entry=8, precision=1, base=10, width=0,
flags=0) at tools/qlocale.cpp:2671
#17 0x00007fcabcd95bf9 in QLocalePrivate::longLongToString (this=<optimized
out>, l=l@entry=8, precision=precision@entry=-1, base=base@entry=10,
width=width@entry=0, flags=0) at tools/qlocale.cpp:2646
#18 0x00007fcabcdc70cf in QString::arg (this=this@entry=0x7ffd015b1e10,
a=a@entry=8, fieldWidth=fieldWidth@entry=0, base=base@entry=10, fillChar=...)
at tools/qstring.cpp:6776
#19 0x00007fcabff354b7 in QString::arg (fillChar=..., base=10, fieldWidth=0,
a=8, this=0x7ffd015b1e10) at /usr/include/qt4/QtCore/qstring.h:744
#20 bt::BEncoder::write (this=this@entry=0x7ffd015b1e80, str=...) at
../../src/bcodec/bencoder.cpp:150
#21 0x00007fcabffe5f12 in bt::MetadataDownload::download
(this=this@entry=0x2fbe4c0, piece=piece@entry=12) at
../../src/magnet/metadatadownload.cpp:89
#22 0x00007fcabffe6183 in bt::MetadataDownload::downloadNext
(this=this@entry=0x2fbe4c0) at ../../src/magnet/metadatadownload.cpp:99
#23 0x00007fcabffe64f8 in bt::MetadataDownload::data (this=0x2fbe4c0, piece=0,
piece_data=...) at ../../src/magnet/metadatadownload.cpp:78
#24 0x00007fcabff61b39 in bt::UTMetaData::data (this=this@entry=0x31a80e0,
dict=dict@entry=0x2e2d720, piece_data=...) at ../../src/peer/utmetadata.cpp:87
#25 0x00007fcabff624ff in bt::UTMetaData::handlePacket (this=0x31a80e0,
packet=<optimized out>, size=<optimized out>) at
../../src/peer/utmetadata.cpp:68
#26 0x00007fcabff5fd6d in bt::PacketReader::update (this=0x1dd4060, peer=...)
at ../../src/peer/packetreader.cpp:70
#27 0x00007fcabff53bd8 in bt::Peer::update (this=0x2e308e0) at
../../src/peer/peer.cpp:592
#28 0x00007fcabff5b9b9 in bt::PeerManager::Private::update (this=0x334ac50) at
../../src/peer/peermanager.cpp:644
#29 0x00007fcabff5ba89 in bt::PeerManager::update (this=<optimized out>) at
../../src/peer/peermanager.cpp:140
#30 0x00007fcabffe2a5e in bt::MagnetDownloader::update (this=<optimized out>)
at ../../src/magnet/magnetdownloader.cpp:119
#31 0x0000000000450938 in kt::MagnetModel::updateMagnetDownloaders
(this=0x1db8550) at ../../ktorrent/tools/magnetmodel.cpp:84
#32 0x000000000042d26e in kt::Core::update (this=0x1db4ee0) at
../../ktorrent/core.cpp:1075
#33 0x0000000000435e3d in kt::Core::qt_static_metacall (_o=<optimized out>,
_c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./core.moc:142
#34 0x00007fcabce94010 in QMetaObject::activate (sender=0x1db4f08, m=<optimized
out>, local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3567
#35 0x00007fcabce99c83 in QObject::event (this=0x1db4f08, e=<optimized out>) at
kernel/qobject.cpp:1253
#36 0x00007fcabd3b1fdc in QApplicationPrivate::notify_helper
(this=this@entry=0x1c50830, receiver=receiver@entry=0x1db4f08,
e=e@entry=0x7ffd015b2690) at kernel/qapplication.cpp:4570
#37 0x00007fcabd3b8f16 in QApplication::notify (this=0x7ffd015b35e0,
receiver=0x1db4f08, e=0x7ffd015b2690) at kernel/qapplication.cpp:4356
#38 0x000000000043d0c1 in kt::App::notify (this=<optimized out>,
receiver=<optimized out>, event=<optimized out>) at ../../ktorrent/app.cpp:99
#39 0x00007fcabce7f90d in QCoreApplication::notifyInternal
(this=0x7ffd015b35e0, receiver=0x1db4f08, event=event@entry=0x7ffd015b2690) at
kernel/qcoreapplication.cpp:955
#40 0x00007fcabceb2780 in QCoreApplication::sendEvent (event=0x7ffd015b2690,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#41 QTimerInfoList::activateTimers (this=0x1c522e0) at
kernel/qeventdispatcher_unix.cpp:621
#42 0x00007fcabceaf929 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:193
#43 idleTimerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:240
#44 0x00007fcab80af1a7 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007fcab80af400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007fcab80af4ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007fcabceb02ae in QEventDispatcherGlib::processEvents (this=0x1c4a6c0,
flags=...) at kernel/qeventdispatcher_glib.cpp:450
#48 0x00007fcabd45f616 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#49 0x00007fcabce7e18f in QEventLoop::processEvents
(this=this@entry=0x7ffd015b2910, flags=...) at kernel/qeventloop.cpp:149
#50 0x00007fcabce7e4f5 in QEventLoop::exec (this=this@entry=0x7ffd015b2910,
flags=...) at kernel/qeventloop.cpp:204
#51 0x00007fcabce844b9 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1227
#52 0x00007fcabd3b022c in QApplication::exec () at kernel/qapplication.cpp:3828
#53 0x0000000000427c52 in main (argc=5, argv=0x7ffd015b3728) at
../../ktorrent/main.cpp:186
Possible duplicates by query: bug 355245, bug 348699, bug 347139, bug 347134,
bug 347050.
Reported using DrKonqi
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