StacktraceTop: raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 abort () at abort.c:92 __libc_message (do_abort=2, fmt=0x7f20e44e03e0 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189 malloc_printerr (action=3, str=0x7f20e44dd6cb "realloc(): invalid old size", ptr=<value optimized out>) at malloc.c:6283 _int_realloc (av=0x7f20e471b1c0, oldp=0x7f20d001e730, oldsize=<value optimized out>, nb=32) at malloc.c:5238
StacktraceTop: sysdeps/ unix/sysv/ linux/raise. c:64 unix/sysv/ linux/libc_ fatal.c: 189 e730, oldsize=<value optimized out>, nb=32) at malloc.c:5238
raise (sig=6) at ../nptl/
abort () at abort.c:92
__libc_message (do_abort=2, fmt=0x7f20e44e03e0 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/
malloc_printerr (action=3, str=0x7f20e44dd6cb "realloc(): invalid old size", ptr=<value optimized out>) at malloc.c:6283
_int_realloc (av=0x7f20e471b1c0, oldp=0x7f20d001