StacktraceTop: __libc_message (do_abort=2, fmt=0x7fb84f226028 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201 malloc_printerr (action=3, str=0x7fb84f22294b "invalid fastbin entry (free)", ptr=<optimized out>) at malloc.c:5007 QString::free (d=0xb97cb0) at tools/qstring.cpp:1235 ~QString (this=0x9d0130, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qstring.h:880 QDBusMessagePrivate::~QDBusMessagePrivate (this=0x9d0110, __in_chrg=<optimized out>) at qdbusmessage.cpp:72
StacktraceTop: unix/sysv/ linux/libc_ fatal.c: 201 cpp:1235 <optimized out>) at ../../include/ QtCore/ ../../src/ corelib/ tools/qstring. h:880 ivate:: ~QDBusMessagePr ivate (this=0x9d0110, __in_chrg= <optimized out>) at qdbusmessage.cpp:72
__libc_message (do_abort=2, fmt=0x7fb84f226028 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/
malloc_printerr (action=3, str=0x7fb84f22294b "invalid fastbin entry (free)", ptr=<optimized out>) at malloc.c:5007
QString::free (d=0xb97cb0) at tools/qstring.
~QString (this=0x9d0130, __in_chrg=
QDBusMessagePr