[mb-bugs] Re: [MusicBrainz Bug Tracker] #3203: Crash: python: double free or corruption (fasttop)

[MusicBrainz Bug Tracker]

#3203: Crash: python: double free or corruption (fasttop)
-----------------------------+----------------------------------------------
  Reporter:  outsidecontext  |       Owner:  luks
      Type:  bug             |      Status:  new 
  Priority:  critical        |   Milestone:      
 Component:  Picard Tagger   |     Version:      
Resolution:                  |    Keywords:      
   Browser:                  |          Os:      
-----------------------------+----------------------------------------------
Comment (by bplatt at incoherent.net):

 I've been running on smaller data sets with some better luck, but still
 experience frequent crashes.  I just got the following stack track on the
 console after one such crash:

 *** glibc detected *** /usr/bin/python2.5: double free or corruption
 (fasttop): 0x00002aaab4019ea0 ***
 ======= Backtrace: =========
 /lib/libc.so.6[0x2adec1fa6b0a]
 /lib/libc.so.6(cfree+0x8c)[0x2adec1faa6fc]
 /usr/lib/python2.5/site-packages/PyQt4/QtCore.so[0x2adec725b64e]
 /usr/lib/python2.5/site-packages/sip.so[0x2adec6fdeaa8]
 /usr/bin/python2.5[0x459647]
 /usr/bin/python2.5[0x4b52ef]
 /usr/bin/python2.5(_PyObject_GC_New+0xe5)[0x4b5a15]
 /usr/bin/python2.5[0x435e8e]
 /usr/bin/python2.5(PyObject_GetIter+0x1f)[0x4193af]
 /usr/bin/python2.5(PyEval_EvalFrameEx+0xac4)[0x482dc4]
 /usr/bin/python2.5(PyEval_EvalFrameEx+0x693e)[0x488c3e]
 /usr/bin/python2.5(PyEval_EvalCodeEx+0x830)[0x489d60]
 /usr/bin/python2.5[0x4d431c]
 /usr/bin/python2.5(PyObject_Call+0x13)[0x417e53]
 /usr/bin/python2.5(PyEval_EvalFrameEx+0x4697)[0x486997]
 /usr/bin/python2.5(PyEval_EvalCodeEx+0x830)[0x489d60]
 /usr/bin/python2.5[0x4d431c]
 /usr/bin/python2.5(PyObject_Call+0x13)[0x417e53]
 /usr/bin/python2.5[0x41e5ed]
 /usr/bin/python2.5(PyObject_Call+0x13)[0x417e53]
 /usr/lib/python2.5/lib-dynload/_functools.so[0x2adec87c2212]
 /usr/bin/python2.5(PyObject_Call+0x13)[0x417e53]
 /usr/bin/python2.5(PyEval_EvalFrameEx+0x4697)[0x486997]
 /usr/bin/python2.5(PyEval_EvalFrameEx+0x693e)[0x488c3e]
 /usr/bin/python2.5(PyEval_EvalCodeEx+0x830)[0x489d60]
 /usr/bin/python2.5[0x4d437e]
 /usr/bin/python2.5(PyObject_Call+0x13)[0x417e53]
 /usr/bin/python2.5[0x41e5ed]
 /usr/bin/python2.5(PyObject_Call+0x13)[0x417e53]
 /usr/bin/python2.5(PyEval_CallObjectWithKeywords+0x72)[0x481322]
 /usr/lib/python2.5/site-packages/sip.so[0x2adec6fd1fbf]
 /usr/lib/python2.5/site-packages/PyQt4/QtCore.so[0x2adec7262e05]
 /usr/lib/python2.5/site-packages/PyQt4/QtCore.so[0x2adec7307716]
 /usr/lib/libQtGui.so.4(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x2e5)[0x2adec2d73d51]
 /usr/lib/libQtGui.so.4(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x2fc)[0x2adec2d74070]
 /usr/lib/python2.5/site-packages/PyQt4/QtGui.so[0x2adec2771990]
 /usr/lib/libQtCore.so.4(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0x82)[0x2adec37fd846]
 /usr/lib/libQtCore.so.4[0x2adec3800a6d]
 /usr/lib/libQtCore.so.4(_ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData+0x40a)[0x2adec37fdd94]
 /usr/lib/libQtCore.so.4(_ZN16QCoreApplication16sendPostedEventsEP7QObjecti+0x28)[0x2adec37fdef0]
 /usr/lib/libQtCore.so.4[0x2adec3825991]
 /usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x1c3)[0x2adec5105fd3]
 /usr/lib/libglib-2.0.so.0[0x2adec51092dd]
 /usr/lib/libglib-2.0.so.0(g_main_context_iteration+0x6e)[0x2adec510980e]
 /usr/lib/libQtCore.so.4(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x80)[0x2adec3824f4e]
 /usr/lib/libQtGui.so.4[0x2adec2e04e07]
 /usr/lib/libQtCore.so.4(_ZN10QEventLoop13processEventsE6QFlagsINS_17ProcessEventsFlagEE+0x6d)[0x2adec37fab31]
 /usr/lib/libQtCore.so.4(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0xc6)[0x2adec37fac86]
 /usr/lib/libQtCore.so.4(_ZN16QCoreApplication4execEv+0x10a)[0x2adec37fdffc]
 /usr/lib/libQtGui.so.4(_ZN12QApplication4execEv+0x16)[0x2adec2d73928]
 /usr/lib/python2.5/site-packages/PyQt4/QtGui.so[0x2adec277259c]
 /usr/bin/python2.5(PyEval_EvalFrameEx+0x67f7)[0x488af7]
 /usr/bin/python2.5(PyEval_EvalFrameEx+0x693e)[0x488c3e]
 /usr/bin/python2.5(PyEval_EvalCodeEx+0x830)[0x489d60]
 /usr/bin/python2.5(PyEval_EvalFrameEx+0x5c32)[0x487f32]
 /usr/bin/python2.5(PyEval_EvalCodeEx+0x830)[0x489d60]
 /usr/bin/python2.5(PyEval_EvalCode+0x32)[0x489da2]
 /usr/bin/python2.5(PyRun_FileExFlags+0x10e)[0x4ab4fe]
 /usr/bin/python2.5(PyRun_SimpleFileExFlags+0x1a0)[0x4ab790]
 /usr/bin/python2.5(Py_Main+0x935)[0x414725]
 /lib/libc.so.6(__libc_start_main+0xf4)[0x2adec1f52b44]
 /usr/bin/python2.5[0x413c69]
 ======= Memory map: ========
 00400000-00521000 r-xp 00000000 08:06 782698
 /usr/bin/python2.5
 00720000-00752000 rw-p 00120000 08:06 782698
 /usr/bin/python2.5
 00752000-011b6000 rw-p 00752000 00:00 0
 [heap]
 40000000-40001000 ---p 40000000 00:00 0
 40001000-40801000 rw-p 40001000 00:00 0
 40801000-40802000 ---p 40801000 00:00 0
 40802000-41002000 rw-p 40802000[1]+  Terminated              picard
 Aborted (core dumped)

-- 
Ticket URL: <http://bugs.musicbrainz.org/ticket/3203#comment:7>
MusicBrainz Bug Tracker <http://musicbrainz.org>
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