Linux bluetooth development
 help / color / mirror / Atom feed
From: Szymon Janc <szymon.janc@tieto.com>
To: Dohyun Pyun <dh79.pyun@samsung.com>
Cc: linux-bluetooth@vger.kernel.org, steve.jun@samsung.com
Subject: Re: [PATCH BLUEZ] android/pan: Fix not NULL terminating parsed string
Date: Wed, 29 Jul 2015 09:29:33 +0200	[thread overview]
Message-ID: <3434204.zRI1YPC0Rc@leonov> (raw)
In-Reply-To: <1438151088-26152-1-git-send-email-dh79.pyun@samsung.com>

Hi Dohyun Pyun,

On Wednesday 29 of July 2015 15:24:48 Dohyun Pyun wrote:
> From: DoHyun Pyun <dh79.pyun@samsung.com>
> 
> This patch prevents the possible not NULL terminating problem.
> ifr_name's array size is IFNAMSIZ. So If BNEP_BRIDGE has IFNAMSIZ size,
> the name string will be not NULL terminating.
> ---
>  android/pan.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/android/pan.c b/android/pan.c
> index 0bb576e..c40a6d3 100644
> --- a/android/pan.c
> +++ b/android/pan.c
> @@ -88,7 +88,7 @@ static int set_forward_delay(int sk)
>  	struct ifreq ifr;
> 
>  	memset(&ifr, 0, sizeof(ifr));
> -	strncpy(ifr.ifr_name, BNEP_BRIDGE, IFNAMSIZ);
> +	strncpy(ifr.ifr_name, BNEP_BRIDGE, IFNAMSIZ - 1);
>  	ifr.ifr_data = (char *) args;
> 
>  	if (ioctl(sk, SIOCDEVPRIVATE, &ifr) < 0) {

Patch applied, thanks.

-- 
BR
Szymon Janc

      reply	other threads:[~2015-07-29  7:29 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-29  6:24 [PATCH BLUEZ] android/pan: Fix not NULL terminating parsed string Dohyun Pyun
2015-07-29  7:29 ` Szymon Janc [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=3434204.zRI1YPC0Rc@leonov \
    --to=szymon.janc@tieto.com \
    --cc=dh79.pyun@samsung.com \
    --cc=linux-bluetooth@vger.kernel.org \
    --cc=steve.jun@samsung.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox