Application: akonadi_nepomuk_feeder (4.11)
KDE Platform Version: 4.11.2
Qt Version: 4.8.4
Operating System: Linux 3.11.0-14-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
akonadi_nepomuk_feeder crashes reguarly and periodically while running in the background. Turning off desktop search makes it stop (obviously). 

Kubuntu 13.10 amd64.

The crash can be reproduced every time.

-- Backtrace:
Application: Akonadi Nepomuk Feeder (akonadi_nepomuk_feeder), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f324410e7c0 (LWP 2418))]

Thread 2 (Thread 0x7f322add8700 (LWP 18414)):
[KCrash Handler]
#5  0x00007f324081af77 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#6  0x00007f324081e5e8 in __GI_abort () at abort.c:90
#7  0x00007f32408584fb in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f324096c240 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:199
#8  0x00007f32408634c6 in malloc_printerr (action=3, str=0x7f324096c5b8 "munmap_chunk(): invalid pointer", ptr=<optimized out>) at malloc.c:4923
#9  0x00007f3231a8b4d9 in dk_free (ptr=0x7f32254131e0, sz=32) at Dkalloc.c:680
#10 0x00007f3231a5431b in set_error_ext (err=0x7f32253d5ce0, state=0x0, virt_state=0x0, message=0x0, col=0, rc=-1) at ../../libsrc/Wi/CLIuti.c:541
#11 0x00007f3231a543c9 in set_error (err=0x7f32253d5ce0, state=0x0, virt_state=0x0, message=0x0) at ../../libsrc/Wi/CLIuti.c:562
#12 0x00007f3231a6165d in virtodbc__SQLFreeStmt (hstmt=0x7f32253d5ce0, fOption=0) at ../../libsrc/Wi/CLIsql1.c:1759
#13 0x00007f3231a72bf7 in get_rdf_literal_prop (con=0x7f3224eb5bf0, ftype=1062, key=258) at ../../libsrc/Wi/CLIodbc3.c:1375
#14 0x00007f3231a762de in virtodbc__SQLGetDescField (descriptorHandle=0x7f32254040e0, RecNumber=2, FieldIdentifier=1062, ValuePtr=0x7f322add7ad0, BufferLength=100, StringLengthPtr=0x7f322add7a90) at ../../libsrc/Wi/CLIodbc3.c:2490
#15 0x00007f3231a767a5 in SQLGetDescField (descriptorHandle=0x7f32254040e0, RecNumber=2, FieldIdentifier=1062, ValuePtr=0x7f322add7ad0, BufferLength=100, StringLengthPtr=0x7f322add7a90) at ../../libsrc/Wi/CLIodbc3.c:2573
#16 0x00007f3231dbbe98 in Soprano::ODBC::QueryResult::getData (this=0x7f32253d6010, colNum=colNum@entry=2) at ../../../backends/virtuoso/odbcqueryresult.cpp:186
#17 0x00007f3231db3f3a in Soprano::Virtuoso::QueryResultIteratorBackend::next (this=0x7f32253c42a0) at ../../../backends/virtuoso/virtuosoqueryresultiteratorbackend.cpp:146
#18 0x00007f3243c88163 in Soprano::Iterator<Soprano::BindingSet>::next (this=this@entry=0x7f322add7d90) at ../../soprano/iterator.h:239
#19 0x00007f3243cf1305 in Soprano::Util::AsyncQuery::Private::run (this=0x1eb1f70) at ../../soprano/util/asyncquery.cpp:100
#20 0x00007f3242877f2f in QThreadPrivate::start (arg=0x1eb1f70) at thread/qthread_unix.cpp:338
#21 0x00007f323e421f6e in start_thread (arg=0x7f322add8700) at pthread_create.c:311
#22 0x00007f32408de9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f324410e7c0 (LWP 2418)):
#0  0x00007f32408d06bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f323d485670 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f323d4461cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f323d44663b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f323d4467ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f32429a4a55 in QEventDispatcherGlib::processEvents (this=0x1ac8810, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f32413319d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#7  0x00007f32429765ef in QEventLoop::processEvents (this=this@entry=0x7fffa549aa90, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f32429768e5 in QEventLoop::exec (this=this@entry=0x7fffa549aa90, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f324297be5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#10 0x00007f3242d622b3 in Akonadi::AgentBase::init(Akonadi::AgentBase*) () from /usr/lib/libakonadi-kde.so.4
#11 0x000000000040ed6d in Akonadi::AgentBase::init<Akonadi::NepomukFeederAgent> (argc=<optimized out>, argv=<optimized out>) at /usr/include/akonadi/agentbase.h:407
#12 0x00007f3240805de5 in __libc_start_main (main=0x40c020 <main(int, char**)>, argc=3, ubp_av=0x7fffa549ac48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa549ac38) at libc-start.c:260
#13 0x000000000040c084 in _start ()

Possible duplicates by query: bug 328902, bug 327905, bug 325666, bug 325284, bug 325075.

Reported using DrKonqi