linux-kernel - Re: [RFC] tty: Always allow tcflow(TCOON) to unwedge terminal

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]

Message-ID: <541196BB.60407@hurleysoftware.com>
Date:	Thu, 11 Sep 2014 08:34:03 -0400
From:	Peter Hurley <peter@...leysoftware.com>
To:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>, linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC] tty: Always allow tcflow(TCOON) to unwedge terminal

On 09/11/2014 06:19 AM, One Thousand Gnomes wrote:
>> It's not common knowledge (and its certainly counterintuitive) that
>> turning off output when output is already turned off (ie., tcflow(TCOOFF))
>> is the required trickery to unwedge a terminal.
>>
>> Unwedging directly seems the straightforward approach.
> 
> Putting the off/on in the man page might be safer still ?

That's my plan if this patch fails to launch.

Regards,
Peter Hurley

--
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/