linux-kernel - Re: [PATCH] ipv4: tcp: security_sk_alloc() needed for unicast

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Date:	Thu, 09 Aug 2012 16:38:51 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	eparis@...isplace.org, paul@...l-moore.com, casey@...aufler-ca.com,
	johnstul@...ibm.com, serge@...lyn.com,
	linux-kernel@...r.kernel.org, james.l.morris@...cle.com,
	selinux@...ho.nsa.gov, john.johansen@...onical.com,
	linux-security-module@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] ipv4: tcp: security_sk_alloc() needed for unicast_sock

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 09 Aug 2012 23:29:03 +0200

> diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
> index 76dde25..ec410e0 100644
> --- a/net/ipv4/ip_output.c
> +++ b/net/ipv4/ip_output.c
> @@ -1536,6 +1536,7 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr,
>  			  arg->csumoffset) = csum_fold(csum_add(nskb->csum,
>  								arg->csum));
>  		nskb->ip_summed = CHECKSUM_NONE;
> +		skb_orphan(nskb);
>  		skb_set_queue_mapping(nskb, skb_get_queue_mapping(skb));
>  		ip_push_pending_frames(sk, &fl4);
>  	}
> 

This is definitely the best fix, please submit this formally.
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