linux-kernel - Re: 3.4.10 N_GSM tty

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 07 Sep 2012 14:59:26 +0200
From:	Krzysztof Halasa <khc@...waw.pl>
To:	khalasa@...p.pl (Krzysztof Hałasa)
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org
Subject: Re: 3.4.10 N_GSM tty_io WARNING and lockup

> In the meantime I've rebased to v3.5.3 and it started to work. Do you
> think it is worth it investigating v3.4.10 at this point?

BTW I'm not sure if it's a known bug: I closed the /dev/ttyS0 with
/dev/gsmmuxX still open, and then tried to set N_TTY ldisc on the
master device. It didn't work so well :-(

# killall -9 microcom	# they use /dev/gsmmux[0-3]
# killall -9 iru	# the program messing with ldiscs
# ps axf

  344 ?        Ss     0:00  \_ sshd: root@.../1
  346 pts/1    Ss     0:00  |   \_ -sh
  405 pts/1    D+     0:00  |       \_ [microcom]
  347 ?        Ss     0:00  \_ sshd: root@.../2
  349 pts/2    Ss     0:00  |   \_ -sh
  403 pts/2    D+     0:00  |       \_ [microcom]
  406 ?        Ss     0:00  \_ sshd: root@.../3
  408 pts/3    Ss     0:00  |   \_ -sh
  412 pts/3    D+     0:00  |       \_ [microcom]
  409 ?        Ss     0:00  \_ sshd: root@.../4
  411 pts/4    Ss     0:00      \_ -sh
  413 pts/4    D+     0:00          \_ [microcom]
  415 pts/0    D      0:00 iru
-- 
Krzysztof Halasa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/