linux-kernel - Re: cat problem in tiny_tty driver (the source included)

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: <20070221200904.GG22464@csclub.uwaterloo.ca>
Date:	Wed, 21 Feb 2007 15:09:04 -0500
From:	lsorense@...lub.uwaterloo.ca (Lennart Sorensen)
To:	Mockern <Mockern@...dex.ru>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: cat problem in tiny_tty driver (the source included)

On Wed, Feb 21, 2007 at 10:33:52PM +0300, Mockern wrote:
> Thank you very much for you help.
> 
> BTW, for cat < /dev/my_tty1 can see here something wrong?
> as I understand tiny_timer function sends data to tty level
> by calling tty_flip_buffer_push(tty).
> 
> Is this enough to support cat < /dev/my_tty1?

I don't really know the tty layer very much.  I just saw a very obvious
bug in the code.

Does cat from the device give an error or does it just not do anything?

What does strace say for that?

--
Len Sorensen
-
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/