(gdb) bt
#0  0xb6e36bac in memcpy () from /lib/i686/libc.so.6
#1  0xb70a5d41 in QAbstractItemModel::sort () from /usr/lib/qt4/lib/libQtCore.so.4
#2  0xb70a5ef4 in QString::arg () from /usr/lib/qt4/lib/libQtCore.so.4
#3  0x0840f7d2 in ProviderItem (this=0x865b488, _instance=0x865afe0, _p=0x865b640) at qca_plugin.cpp:228
#4  0x0840ff75 in QCA::ProviderItem::load (fname=@0xbff63a48) at qca_plugin.cpp:167
#5  0x0840e31f in QCA::ProviderManager::scan (this=0x8628974) at qca_plugin.cpp:314
#6  0x08406d86 in QCA::scanForPlugins () at qca_core.cpp:270
#7  0x08424e3b in QCA::KeyStoreManager::scan (this=0x86289f8) at qca_keystore.cpp:898
#8  0x08424f0b in QCA::KeyStoreManager::start (this=0x86289f8) at qca_keystore.cpp:839
#9  0x083df219 in main (argc=1, argv=0xbff63c94) at main.cpp:240
#10 0xb6ddfd8c in __libc_start_main () from /lib/i686/libc.so.6
#11 0x0807f981 in _start ()