diff --git a/kernel/audit.c b/kernel/audit.c
index d13276d..5ce8851 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -58,6 +58,7 @@
 #include <linux/selinux.h>
 #include <linux/inotify.h>
 #include <linux/freezer.h>
+#include <linux/tty.h>
 
 #include "audit.h"
 
@@ -423,6 +424,31 @@
 	return 0;
 }
 
+static int audit_prepare_user_tty(pid_t pid, uid_t loginuid)
+{
+	struct task_struct *tsk;
+	int err;
+
+	read_lock(&tasklist_lock);
+	tsk = find_task_by_pid(pid);
+	err = -ESRCH;
+	if (!tsk)
+		goto out;
+	err = 0;
+
+	spin_lock_irq(&tsk->sighand->siglock);
+	if (!tsk->signal->audit_tty)
+		err = -EPERM;
+	spin_unlock_irq(&tsk->sighand->siglock);
+	if (err)
+		goto out;
+
+	tty_audit_push_task(tsk, loginuid);
+out:
+	read_unlock(&tasklist_lock);
+	return err;
+}
+
 int audit_send_list(void *_dest)
 {
 	struct audit_netlink_list *dest = _dest;
@@ -511,6 +537,8 @@
 	case AUDIT_DEL:
 	case AUDIT_DEL_RULE:
 	case AUDIT_SIGNAL_INFO:
+	case AUDIT_TTY_GET:
+	case AUDIT_TTY_SET:
 		if (security_netlink_recv(skb, CAP_AUDIT_CONTROL))
 			err = -EPERM;
 		break;
@@ -622,6 +650,11 @@
 		err = audit_filter_user(&NETLINK_CB(skb), msg_type);
 		if (err == 1) {
 			err = 0;
+			if (msg_type == AUDIT_USER_TTY) {
+				err = audit_prepare_user_tty(pid, loginuid);
+				if (err)
+					break;
+			}
 			ab = audit_log_start(NULL, GFP_KERNEL, msg_type);
 			if (ab) {
 				audit_log_format(ab,
@@ -638,8 +671,17 @@
 							" subj=%s", ctx);
 					kfree(ctx);
 				}
-				audit_log_format(ab, " msg='%.1024s'",
-					 (char *)data);
+				if (msg_type != AUDIT_USER_TTY)
+					audit_log_format(ab, " msg='%.1024s'",
+							 (char *)data);
+				else {
+					int size;
+
+					audit_log_format(ab, " msg=");
+					size = nlmsg_len(nlh);
+					audit_log_n_untrustedstring(ab, size,
+								    data);
+				}
 				audit_set_pid(ab, pid);
 				audit_log_end(ab);
 			}
@@ -730,6 +772,45 @@
 				0, 0, sig_data, sizeof(*sig_data) + len);
 		kfree(sig_data);
 		break;
+	case AUDIT_TTY_GET: {
+		struct audit_tty_status s;
+		struct task_struct *tsk;
+
+		read_lock(&tasklist_lock);
+		tsk = find_task_by_pid(pid);
+		if (!tsk)
+			err = -ESRCH;
+		else {
+			spin_lock_irq(&tsk->sighand->siglock);
+			s.enabled = tsk->signal->audit_tty != 0;
+			spin_unlock_irq(&tsk->sighand->siglock);
+		}
+		read_unlock(&tasklist_lock);
+		audit_send_reply(NETLINK_CB(skb).pid, seq, AUDIT_TTY_GET, 0, 0,
+				 &s, sizeof(s));
+		break;
+	}
+	case AUDIT_TTY_SET: {
+		struct audit_tty_status *s;
+		struct task_struct *tsk;
+
+		if (nlh->nlmsg_len < sizeof(struct audit_tty_status))
+			return -EINVAL;
+		s = data;
+		if (s->enabled != 0 && s->enabled != 1)
+			return -EINVAL;
+		read_lock(&tasklist_lock);
+		tsk = find_task_by_pid(pid);
+		if (!tsk)
+			err = -ESRCH;
+		else {
+			spin_lock_irq(&tsk->sighand->siglock);
+			tsk->signal->audit_tty = s->enabled != 0;
+			spin_unlock_irq(&tsk->sighand->siglock);
+		}
+		read_unlock(&tasklist_lock);
+		break;
+	}
 	default:
 		err = -EINVAL;
 		break;
@@ -1185,7 +1266,7 @@
 }
 
 /**
- * audit_log_n_unstrustedstring - log a string that may contain random characters
+ * audit_log_n_untrustedstring - log a string that may contain random characters
  * @ab: audit_buffer
  * @len: lenth of string (not including trailing null)
  * @string: string to be logged
@@ -1201,25 +1282,24 @@
 const char *audit_log_n_untrustedstring(struct audit_buffer *ab, size_t len,
 					const char *string)
 {
-	const unsigned char *p = string;
+	const unsigned char *p;
 
-	while (*p) {
+	for (p = string; p < (const unsigned char *)string + len && *p; p++) {
 		if (*p == '"' || *p < 0x21 || *p > 0x7f) {
 			audit_log_hex(ab, string, len);
 			return string + len + 1;
 		}
-		p++;
 	}
 	audit_log_n_string(ab, len, string);
 	return p + 1;
 }
 
 /**
- * audit_log_unstrustedstring - log a string that may contain random characters
+ * audit_log_untrustedstring - log a string that may contain random characters
  * @ab: audit_buffer
  * @string: string to be logged
  *
- * Same as audit_log_n_unstrustedstring(), except that strlen is used to
+ * Same as audit_log_n_untrustedstring(), except that strlen is used to
  * determine string length.
  */
 const char *audit_log_untrustedstring(struct audit_buffer *ab, const char *string)
diff --git a/kernel/audit.h b/kernel/audit.h
index 815d6f5..9587743 100644
--- a/kernel/audit.h
+++ b/kernel/audit.h
@@ -115,7 +115,6 @@
 extern void		    audit_send_reply(int pid, int seq, int type,
 					     int done, int multi,
 					     void *payload, int size);
-extern void		    audit_log_lost(const char *message);
 extern void		    audit_panic(const char *message);
 
 struct audit_netlink_list {
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index e36481e..7ccc3da 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -71,9 +71,6 @@
 
 extern struct list_head audit_filter_list[];
 
-/* No syscall auditing will take place unless audit_enabled != 0. */
-extern int audit_enabled;
-
 /* AUDIT_NAMES is the number of slots we reserve in the audit_context
  * for saving names from getname(). */
 #define AUDIT_NAMES    20
diff --git a/kernel/exit.c b/kernel/exit.c
index 64a5263..5762669 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -965,6 +965,8 @@
 	if (unlikely(tsk->compat_robust_list))
 		compat_exit_robust_list(tsk);
 #endif
+	if (group_dead)
+		tty_audit_exit();
 	if (unlikely(tsk->audit_context))
 		audit_free(tsk);
 
diff --git a/kernel/fork.c b/kernel/fork.c
index 344d693..4015912a 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -49,6 +49,7 @@
 #include <linux/delayacct.h>
 #include <linux/taskstats_kern.h>
 #include <linux/random.h>
+#include <linux/tty.h>
 
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
@@ -897,6 +898,8 @@
 	}
 	acct_init_pacct(&sig->pacct);
 
+	tty_audit_fork(sig);
+
 	return 0;
 }