RE: memory leak in net/sched/ipt.c?

["Yichen Xie" <yxie@cs.stanford.edu>]

Thanks for confirming. Are you guys interested in this kind of leaks? I have
a list of about a hundred generated by our tool. -yichen

> -----Original Message-----
> From: Herbert Xu [mailto:herbert@gondor.apana.org.au] 
> Sent: Wednesday, March 23, 2005 3:31 AM
> To: Yichen Xie
> Cc: linux-kernel@vger.kernel.org; netdev@oss.sgi.com; 
> davem@davemloft.net; kaber@trash.net; hadi@cyberus.ca
> Subject: Re: memory leak in net/sched/ipt.c?
> 
> Yichen Xie <yxie@cs.stanford.edu> wrote:
> > Is the memory block allocated on line 315 leaked every time 
> > tcp_ipt_dump is called?
> 
> It seems to be.  This patch should free it.
> 
> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
> 
> BTW, please report networking bugs to netdev@oss.sgi.com.
> 
> Thanks,
> --
> Visit Openswan at http://www.openswan.org/
> Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au> 
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
> --
> ===== net/sched/ipt.c 1.14 vs edited =====
> --- 1.14/net/sched/ipt.c	2005-02-07 16:39:40 +11:00
> +++ edited/net/sched/ipt.c	2005-03-23 22:28:13 +11:00
> @@ -284,10 +284,12 @@
>  	tm.lastuse = jiffies_to_clock_t(jiffies - p->tm.lastuse);
>  	tm.expires = jiffies_to_clock_t(p->tm.expires);
>  	RTA_PUT(skb, TCA_IPT_TM, sizeof (tm), &tm);
> +	kfree(t);
>  	return skb->len;
>  
>        rtattr_failure:
>  	skb_trim(skb, b - skb->data);
> +	kfree(t);
>  	return -1;
>  }
>  
> 

-
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