linux-kernel - Re: PROBLEM: Data corruption when pasting large data to 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]

Date:	Wed, 15 Feb 2012 16:10:40 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Parag Warudkar <parag.lkml@...il.com>
Cc:	Egmont Koblinger <egmont@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: PROBLEM: Data corruption when pasting large data to terminal

On Wed, Feb 15, 2012 at 06:58:12PM -0500, Parag Warudkar wrote:
> On Wed, Feb 15, 2012 at 1:50 PM, Egmont Koblinger <egmont@...il.com> wrote:
> > Hi,
> >
> > Short summary:  When pasting large amount of data (>4kB) to terminals,
> > often the data gets mangled.
> >
> > How to reproduce:
> > Create a text file that contains this line about 100 times:
> > a=(123456789123456789123456789123456789123456789123456789123456789)
> > (also available at http://pastebin.com/LAH2bmaw for a while)
> > and then copy-paste its entire contents in one step into a "bash" or
> > "python" running in a graphical terminal.
> >
> 
> FWIW, this also works fine on cygwin / Windows 7.  No errors.
> 
> $ bash --version
> GNU bash, version 4.1.10(4)-release (i686-pc-cygwin)
> 
> Unsure what that means though - probably nothing!
> 
> Greg - when you said it works in vim - since of course vim isn't
> 'parsing' the input may be you did not see an error - or did you
> actually verify all 4KB somehow? ;)

I verified that the input actually matched the paste buffer.  It's
pretty trivial to do so.

Odds are emacs also does this correctly, anyone care to verify that?

thanks,

greg k-h
--
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/