asmlinkage long sys_oabi_stat64(const char __user * filename,
				struct oldabi_stat64 __user * statbuf)
{
	struct kstat stat;
	int error = vfs_stat(filename, &stat);
	if (!error)
		error = cp_oldabi_stat64(&stat, statbuf);
	return error;
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.