__libc_message (do_abort=2, fmt=0x7f649d5c2050 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
malloc_printerr (action=3, str=0x7f649d5bf019 "invalid fastbin entry (free)", ptr=<optimized out>) at malloc.c:5007
QByteArray::realloc (this=0x7f6460a23eb8, alloc=26) at tools/qbytearray.cpp:1461
detach (this=0x7f6460a23eb8) at ../../include/QtCore/../../src/corelib/tools/qbytearray.h:436
detach (this=0x7f6460a23eb8) at io/qurl.cpp:3713