linux-kernel - Re: 2.6.18-mm1 -- ieee80211: Info elem: parse failed: info_element->len + 2 > left : info

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Date:	Wed, 27 Sep 2006 16:02:30 -0700
From:	Andrew Morton <akpm@...l.org>
To:	James Ketrenos <jketreno@...ux.intel.com>
Cc:	Miles Lane <miles.lane@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Jouni Malinen <jkmaline@...hut.fi>
Subject: Re: 2.6.18-mm1 -- ieee80211: Info elem: parse failed:
 info_element->len + 2 > left : info_element->len+2=28 left=9, id=221.

On Wed, 27 Sep 2006 15:58:03 -0700
James Ketrenos <jketreno@...ux.intel.com> wrote:

> >> +			out += snprintf(buf + out, count - out, "%c", c);
> >> +		}
> >> +
> >> +		for (; j < 8; j++)
> >> +			out += snprintf(buf + out, count - out, " ");
> >> +	}
> >> +
> >> +	return out;
> >> +}
> > 
> > I've occasionally felt that the kernel should have a generic
> > print-a-hunk-of-memory function (slab.c has two open-coded
> > implementations already).
> > 
> > What does the output of this one look like?
> 
> The formatting was done to look pretty similar to generic hex editors/dumpers:
> 
> 00000000 80 00 00 00 FF FF FF FF  FF FF 00 14 6C 9E C1 1E   ........ ....l...
> 00000010 00 14 6C 9E C1 1E 00 AF  86 07 D7 DC 11 00 00 00   ..l..... ........
> 00000020 64 00 01 04 00 07 4E 45  54 47 45 41 52 01 08 82   d.....NE TGEAR...
> 00000030 84 8B 96 24 30 48 6C 03  01 0B 05 04 00 01 00 00   ...$0Hl. ........
> 00000040 2A 01 02 2F 01 02 32 04  0C 12 18 60 DD 06 00 10   *../..2. ...`....
> 00000050 18 02 00 00
> 
> The above was generated via printk_buf() with an 84 byte buffer passed in.

Very smooth.  Perhaps some nice person will turn it into lib/print-line.c or
something for us (hint).
-
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