netfilter-devel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Pablo Neira Ayuso <pablo@netfilter.org>
To: "Carlos Falgueras García" <carlosfg@riseup.net>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH 1/2,libnftnl] Free user data in unsetters
Date: Thu, 2 Jun 2016 12:58:40 +0200	[thread overview]
Message-ID: <20160602105840.GC3013@salvia> (raw)
In-Reply-To: <20160602105538.GA3013@salvia>

On Thu, Jun 02, 2016 at 12:55:38PM +0200, Pablo Neira Ayuso wrote:
> On Thu, Jun 02, 2016 at 12:40:23PM +0200, Carlos Falgueras García wrote:
> > Signed-off-by: Carlos Falgueras García <carlosfg@riseup.net>
> > ---
> >  src/rule.c     | 2 ++
> >  src/set_elem.c | 2 ++
> >  2 files changed, 4 insertions(+)
> > 
> > diff --git a/src/rule.c b/src/rule.c
> > index 8ee8648..3576e32 100644
> > --- a/src/rule.c
> > +++ b/src/rule.c
> > @@ -112,6 +112,8 @@ void nftnl_rule_unset(struct nftnl_rule *r, uint16_t attr)
> >  	case NFTNL_RULE_POSITION:
> >  	case NFTNL_RULE_FAMILY:
> >  	case NFTNL_RULE_USERDATA:
> > +		xfree(r->user.data);
> > +		r->user.len = 0;
> 
> I think we don't need to reset user.len, right?

BTW, I'd suggest you call this: "Fix leak in nftnl_rule_unset()"

I would review other any other existing unsetter to see if we're also
leaking there. Thanks.
--
To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

      reply	other threads:[~2016-06-02 10:58 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-02 10:40 [PATCH 1/2,libnftnl] Free user data in unsetters Carlos Falgueras García
2016-06-02 10:40 ` [PATCH 2/2,libnftnl] Check memory allocations in setters Carlos Falgueras García
2016-06-02 10:57   ` Pablo Neira Ayuso
2016-06-02 10:55 ` [PATCH 1/2,libnftnl] Free user data in unsetters Pablo Neira Ayuso
2016-06-02 10:58   ` Pablo Neira Ayuso [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=20160602105840.GC3013@salvia \
    --to=pablo@netfilter.org \
    --cc=carlosfg@riseup.net \
    --cc=netfilter-devel@vger.kernel.org \
    /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;
as well as URLs for NNTP newsgroup(s).