/* tsk == current */

 Kernel/audit.c
void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk)
1873 {
1874         const struct cred *cred;
1875         char comm[sizeof(tsk->comm)];
1876         char *tty;
1877 
1878         if (!ab)
1879                 return;
1880 
1881         /* tsk == current */
1882         cred = current_cred();
1883 
1884         spin_lock_irq(&tsk->sighand->siglock);
1885         if (tsk->signal && tsk->signal->tty && tsk->signal->tty->name)
1886                 tty = tsk->signal->tty->name;
1887         else
1888                 tty = "(none)";
1889         spin_unlock_irq(&tsk->sighand->siglock);
1890 
1891         audit_log_format(ab,
1892                          " ppid=%d pid=%d auid=%u uid=%u gid=%u"
1893                          " euid=%u suid=%u fsuid=%u"
1894                          " egid=%u sgid=%u fsgid=%u tty=%s ses=%u",
1895                          task_ppid_nr(tsk),
1896                          task_pid_nr(tsk),
1897                          from_kuid(&init_user_ns, audit_get_loginuid(tsk)),
1898                          from_kuid(&init_user_ns, cred->uid),
1899                          from_kgid(&init_user_ns, cred->gid),
1900                          from_kuid(&init_user_ns, cred->euid),
1901                          from_kuid(&init_user_ns, cred->suid),
1902                          from_kuid(&init_user_ns, cred->fsuid),
1903                          from_kgid(&init_user_ns, cred->egid),
1904                          from_kgid(&init_user_ns, cred->sgid),
1905                          from_kgid(&init_user_ns, cred->fsgid),
1906    +                      tty, audit_get_sessionid(tsk),ApplicationID............);
1907 
1908         audit_log_format(ab, " comm=");
1909         audit_log_untrustedstring(ab, get_task_comm(comm, tsk));
1910 
1911         audit_log_d_path_exe(ab, tsk->mm);
1912         audit_log_task_context(ab);
1913 }