StacktraceTop: __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f3eb92fe860 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:199 malloc_printerr (ptr=0x7f3e3000e040, str=0x7f3eb92fea28 "double free or corruption (fasttop)", action=3) at malloc.c:4902 _int_free (av=<optimized out>, p=0x7f3e3000e030, have_lock=0) at malloc.c:3758 ?? () ?? ()
StacktraceTop: do_abort@ entry=2, fmt=fmt@ entry=0x7f3eb92 fe860 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/ unix/sysv/ linux/libc_ fatal.c: 199 e040, str=0x7f3eb92fea28 "double free or corruption (fasttop)", action=3) at malloc.c:4902
__libc_message (do_abort=
malloc_printerr (ptr=0x7f3e3000
_int_free (av=<optimized out>, p=0x7f3e3000e030, have_lock=0) at malloc.c:3758
?? ()
?? ()