This patch will upgrade Sudo version 1.8.14 patchlevel 2 to Sudo
version 1.8.14 patchlevel 3.  To apply:

    $ cd sudo-1.8.14p2
    $ patch -p1 < sudo-1.8.14p3.patch

diff -urNa sudo-1.8.14p2/ChangeLog sudo-1.8.14p3/ChangeLog
--- sudo-1.8.14p2/ChangeLog	Mon Jul 20 20:28:44 2015
+++ sudo-1.8.14p3/ChangeLog	Wed Jul 22 06:24:43 2015
@@ -1,3 +1,24 @@
+2015-07-22  Todd C. Miller  <Todd.Miller@courtesan.com>
+
+	* src/ttyname.c:
+	fix typo in previous commit
+	[094488696f2c]
+
+	* NEWS, configure, configure.ac:
+	Sudo 1.8.14p3
+	[0079c43d8247]
+
+2015-07-21  Todd C. Miller  <Todd.Miller@courtesan.com>
+
+	* src/ttyname.c:
+	Fix errno value from get_process_ttyname() when no tty is present.
+	[ff7b12bb0638]
+
+	* src/ttyname.c:
+	On AIX, only convert the tty device number from dev64_t to dev32_t
+	if dev_t is 32-bits.
+	[0e728a1eb07a]
+
 2015-07-20  Todd C. Miller  <Todd.Miller@courtesan.com>
 
 	* NEWS, configure, configure.ac:
diff -urNa sudo-1.8.14p2/NEWS sudo-1.8.14p3/NEWS
--- sudo-1.8.14p2/NEWS	Mon Jul 20 20:27:54 2015
+++ sudo-1.8.14p3/NEWS	Wed Jul 22 06:23:17 2015
@@ -1,3 +1,10 @@
+What's new in Sudo 1.8.14p3
+
+ * Fixed a bug introduced in sudo 1.8.14p2 that prevented sudo
+   from working when no tty was present.
+
+ * Fixed tty detection on newer AIX systems where dev_t is 64-bit.
+
 What's new in Sudo 1.8.14p2
 
  * Fixed a bug introduced in sudo 1.8.14 that prevented the lecture
diff -urNa sudo-1.8.14p2/configure sudo-1.8.14p3/configure
--- sudo-1.8.14p2/configure	Mon Jul 20 20:27:54 2015
+++ sudo-1.8.14p3/configure	Wed Jul 22 06:23:17 2015
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for sudo 1.8.14p2.
+# Generated by GNU Autoconf 2.69 for sudo 1.8.14p3.
 #
 # Report bugs to <http://www.sudo.ws/bugs/>.
 #
@@ -590,8 +590,8 @@
 # Identity of this package.
 PACKAGE_NAME='sudo'
 PACKAGE_TARNAME='sudo'
-PACKAGE_VERSION='1.8.14p2'
-PACKAGE_STRING='sudo 1.8.14p2'
+PACKAGE_VERSION='1.8.14p3'
+PACKAGE_STRING='sudo 1.8.14p3'
 PACKAGE_BUGREPORT='http://www.sudo.ws/bugs/'
 PACKAGE_URL=''
 
@@ -1524,7 +1524,7 @@
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures sudo 1.8.14p2 to adapt to many kinds of systems.
+\`configure' configures sudo 1.8.14p3 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1589,7 +1589,7 @@
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of sudo 1.8.14p2:";;
+     short | recursive ) echo "Configuration of sudo 1.8.14p3:";;
    esac
   cat <<\_ACEOF
 
@@ -1835,7 +1835,7 @@
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-sudo configure 1.8.14p2
+sudo configure 1.8.14p3
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2361,7 +2361,7 @@
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by sudo $as_me 1.8.14p2, which was
+It was created by sudo $as_me 1.8.14p3, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -25089,7 +25089,7 @@
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by sudo $as_me 1.8.14p2, which was
+This file was extended by sudo $as_me 1.8.14p3, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -25155,7 +25155,7 @@
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-sudo config.status 1.8.14p2
+sudo config.status 1.8.14p3
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff -urNa sudo-1.8.14p2/configure.ac sudo-1.8.14p3/configure.ac
--- sudo-1.8.14p2/configure.ac	Mon Jul 20 20:27:54 2015
+++ sudo-1.8.14p3/configure.ac	Wed Jul 22 06:23:17 2015
@@ -4,7 +4,7 @@
 dnl Copyright (c) 1994-1996,1998-2015 Todd C. Miller <Todd.Miller@courtesan.com>
 dnl
 AC_PREREQ([2.59])
-AC_INIT([sudo], [1.8.14p2], [http://www.sudo.ws/bugs/], [sudo])
+AC_INIT([sudo], [1.8.14p3], [http://www.sudo.ws/bugs/], [sudo])
 AC_CONFIG_HEADER([config.h pathnames.h])
 AC_CONFIG_SRCDIR([src/sudo.c])
 dnl
diff -urNa sudo-1.8.14p2/src/ttyname.c sudo-1.8.14p3/src/ttyname.c
--- sudo-1.8.14p2/src/ttyname.c	Mon Jul 20 20:27:54 2015
+++ sudo-1.8.14p3/src/ttyname.c	Wed Jul 22 06:23:17 2015
@@ -382,8 +382,8 @@
 {
     struct sudo_kinfo_proc *ki_proc = NULL;
     size_t size = sizeof(*ki_proc);
+    int mib[6], rc, serrno = errno;
     char *rval = NULL;
-    int mib[6], rc;
     debug_decl(get_process_ttyname, SUDO_DEBUG_UTIL)
 
     /*
@@ -407,8 +407,10 @@
 	ki_proc = kp;
 	rc = sysctl(mib, sudo_kp_namelen, ki_proc, &size, NULL, 0);
     } while (rc == -1 && errno == ENOMEM);
+    errno = ENOENT;
     if (rc != -1) {
 	if ((dev_t)ki_proc->sudo_kp_tdev != (dev_t)-1) {
+	    errno = serrno;
 	    rval = sudo_ttyname_dev(ki_proc->sudo_kp_tdev, name, namelen);
 	    if (rval == NULL) {
 		sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO,
@@ -435,7 +437,7 @@
     char path[PATH_MAX], *rval = NULL;
     struct psinfo psinfo;
     ssize_t nread;
-    int fd;
+    int fd, serrno = errno;
     debug_decl(get_process_ttyname, SUDO_DEBUG_UTIL)
 
     /* Try to determine the tty from pr_ttydev in /proc/pid/psinfo. */
@@ -446,14 +448,19 @@
 	if (nread == (ssize_t)sizeof(psinfo)) {
 	    dev_t rdev = (dev_t)psinfo.pr_ttydev;
 #if defined(_AIX) && defined(DEVNO64)
-	    if (psinfo.pr_ttydev & DEVNO64)
+	    if ((psinfo.pr_ttydev & DEVNO64) && sizeof(dev_t) == 4)
 		rdev = makedev(major64(psinfo.pr_ttydev), minor64(psinfo.pr_ttydev));
 #endif
-	    if (rdev != (dev_t)-1)
+	    if (rdev != (dev_t)-1) {
+		errno = serrno;
 		rval = sudo_ttyname_dev(rdev, name, namelen);
+		goto done;
+	    }
 	}
     }
+    errno = ENOENT;
 
+done:
     if (rval == NULL)
 	sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO,
 	    "unable to resolve tty via %s", path);
@@ -471,6 +478,7 @@
     char path[PATH_MAX], *line = NULL;
     char *rval = NULL;
     size_t linesize = 0;
+    int serrno = errno;
     ssize_t len;
     FILE *fp;
     debug_decl(get_process_ttyname, SUDO_DEBUG_UTIL)
@@ -495,8 +503,11 @@
 			    sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO,
 				"%s: tty device %s: %s", path, cp, errstr);
 			}
-			if (tdev > 0)
+			if (tdev > 0) {
+			    errno = serrno;
 			    rval = sudo_ttyname_dev(tdev, name, namelen);
+			    goto done;
+			}
 			break;
 		    }
 		    cp = ep + 1;
@@ -505,7 +516,9 @@
 	}
 	free(line);
     }
+    errno = ENOENT;
 
+done:
     if (rval == NULL)
 	sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO,
 	    "unable to resolve tty via %s", path);
@@ -522,7 +535,7 @@
 {
     struct pst_status pstat;
     char *rval = NULL;
-    int rc;
+    int rc, serrno = errno;
     debug_decl(get_process_ttyname, SUDO_DEBUG_UTIL)
 
     /*
@@ -532,10 +545,15 @@
     rc = pstat_getproc(&pstat, sizeof(pstat), (size_t)0, (int)getpid());
     if (rc != -1 || errno == EOVERFLOW) {
 	if (pstat.pst_term.psd_major != -1 && pstat.pst_term.psd_minor != -1) {
+	    errno = serrno;
 	    rval = sudo_ttyname_dev(makedev(pstat.pst_term.psd_major,
 		pstat.pst_term.psd_minor), name, namelen);
+	    goto done;
 	}
     }
+    errno = ENOENT;
+
+done:
     if (rval == NULL)
 	sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO,
 	    "unable to resolve tty via pstat");