StacktraceTop: __libc_message (do_abort=2, fmt=0x7faff3973728 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189 malloc_printerr (action=3, str=0x7faff3970741 "free(): invalid pointer", ptr=<optimized out>) at malloc.c:6283 __GI___libc_free (mem=<optimized out>) at malloc.c:3738 ?? () ?? ()
StacktraceTop: unix/sysv/ linux/libc_ fatal.c: 189
__libc_message (do_abort=2, fmt=0x7faff3973728 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/
malloc_printerr (action=3, str=0x7faff3970741 "free(): invalid pointer", ptr=<optimized out>) at malloc.c:6283
__GI___libc_free (mem=<optimized out>) at malloc.c:3738
?? ()
?? ()