StacktraceTop: malloc_consolidate (av=<value optimized out>) at malloc.c:5136 _int_malloc (av=<value optimized out>, _int_memalign (av=<value optimized out>, alignment=512, *__GI___libc_memalign (alignment=512, bytes=504) __posix_memalign (memptr=0xbf80e20c, alignment=15050864,
StacktraceTop: __libc_ memalign (alignment=512, bytes=504)
malloc_consolidate (av=<value optimized out>) at malloc.c:5136
_int_malloc (av=<value optimized out>,
_int_memalign (av=<value optimized out>, alignment=512,
*__GI_
__posix_memalign (memptr=0xbf80e20c, alignment=15050864,