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From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: Wang Weidong <wangweidong1@huawei.com>
Cc: davem@davemloft.net, gerrit@erg.abdn.ac.uk, kuznet@ms2.inr.ac.ru,
	jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net,
	vyasevich@gmail.com, nhorman@tuxdriver.com, dccp@vger.kernel.org,
	netdev@vger.kernel.org, linux-sctp@vger.kernel.org,
	dingtianhong@huawei.com
Subject: Re: [PATCH 2/2] ipv6: use sk_v6_copy_addrs when memcpy struct ipv6_pinfo
Date: Tue, 19 Nov 2013 04:14:09 +0100	[thread overview]
Message-ID: <20131119031408.GQ16541@order.stressinduktion.org> (raw)
In-Reply-To: <1384829247-8624-3-git-send-email-wangweidong1@huawei.com>

On Tue, Nov 19, 2013 at 10:47:27AM +0800, Wang Weidong wrote:
> diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
> index 0740f93..83d011e 100644
> --- a/net/ipv6/tcp_ipv6.c
> +++ b/net/ipv6/tcp_ipv6.c
> @@ -1116,6 +1116,10 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
>  		newtp = tcp_sk(newsk);
>  
>  		memcpy(newnp, np, sizeof(struct ipv6_pinfo));
> +		/* Don't forget copy the rcv_saddr and daddr when
> +		 * copy ipv6_pinfo.
> +		 */
> +		sk_v6_copy_addrs(newsk, sk);
>  
>  		ipv6_addr_set_v4mapped(newinet->inet_daddr, &newsk->sk_v6_daddr);
>  

Hmm, how did you spot this?

Greetings,

  Hannes

WARNING: multiple messages have this Message-ID (diff)
From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: Wang Weidong <wangweidong1@huawei.com>
Cc: davem@davemloft.net, gerrit@erg.abdn.ac.uk, kuznet@ms2.inr.ac.ru,
	jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net,
	vyasevich@gmail.com, nhorman@tuxdriver.com, dccp@vger.kernel.org,
	netdev@vger.kernel.org, linux-sctp@vger.kernel.org,
	dingtianhong@huawei.com
Subject: Re: [PATCH 2/2] ipv6: use sk_v6_copy_addrs when memcpy struct ipv6_pinfo
Date: Tue, 19 Nov 2013 03:14:09 +0000	[thread overview]
Message-ID: <20131119031408.GQ16541@order.stressinduktion.org> (raw)
In-Reply-To: <1384829247-8624-3-git-send-email-wangweidong1@huawei.com>

On Tue, Nov 19, 2013 at 10:47:27AM +0800, Wang Weidong wrote:
> diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
> index 0740f93..83d011e 100644
> --- a/net/ipv6/tcp_ipv6.c
> +++ b/net/ipv6/tcp_ipv6.c
> @@ -1116,6 +1116,10 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
>  		newtp = tcp_sk(newsk);
>  
>  		memcpy(newnp, np, sizeof(struct ipv6_pinfo));
> +		/* Don't forget copy the rcv_saddr and daddr when
> +		 * copy ipv6_pinfo.
> +		 */
> +		sk_v6_copy_addrs(newsk, sk);
>  
>  		ipv6_addr_set_v4mapped(newinet->inet_daddr, &newsk->sk_v6_daddr);
>  

Hmm, how did you spot this?

Greetings,

  Hannes


WARNING: multiple messages have this Message-ID (diff)
From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: dccp@vger.kernel.org
Subject: Re: [PATCH 2/2] ipv6: use sk_v6_copy_addrs when memcpy struct ipv6_pinfo
Date: Tue, 19 Nov 2013 03:14:09 +0000	[thread overview]
Message-ID: <20131119031408.GQ16541@order.stressinduktion.org> (raw)
In-Reply-To: <1384829247-8624-3-git-send-email-wangweidong1@huawei.com>

On Tue, Nov 19, 2013 at 10:47:27AM +0800, Wang Weidong wrote:
> diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
> index 0740f93..83d011e 100644
> --- a/net/ipv6/tcp_ipv6.c
> +++ b/net/ipv6/tcp_ipv6.c
> @@ -1116,6 +1116,10 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
>  		newtp = tcp_sk(newsk);
>  
>  		memcpy(newnp, np, sizeof(struct ipv6_pinfo));
> +		/* Don't forget copy the rcv_saddr and daddr when
> +		 * copy ipv6_pinfo.
> +		 */
> +		sk_v6_copy_addrs(newsk, sk);
>  
>  		ipv6_addr_set_v4mapped(newinet->inet_daddr, &newsk->sk_v6_daddr);
>  

Hmm, how did you spot this?

Greetings,

  Hannes


  reply	other threads:[~2013-11-19  3:14 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-19  2:47 [PATCH 0/2] ipv6: fix the missing copies when memcpy ipv6_pinfo Wang Weidong
2013-11-19  2:47 ` Wang Weidong
2013-11-19  2:47 ` Wang Weidong
2013-11-19  2:47 ` [PATCH 1/2] ipv6: add helper function for copy addrs from old sock Wang Weidong
2013-11-19  2:47   ` Wang Weidong
2013-11-19  2:47   ` Wang Weidong
2013-11-19  2:47 ` [PATCH 2/2] ipv6: use sk_v6_copy_addrs when memcpy struct ipv6_pinfo Wang Weidong
2013-11-19  2:47   ` Wang Weidong
2013-11-19  2:47   ` Wang Weidong
2013-11-19  3:14   ` Hannes Frederic Sowa [this message]
2013-11-19  3:14     ` Hannes Frederic Sowa
2013-11-19  3:14     ` Hannes Frederic Sowa
2013-11-19  3:32     ` wangweidong
2013-11-19  3:32       ` wangweidong
2013-11-19  3:32       ` wangweidong
2013-11-19  3:58       ` Eric Dumazet
2013-11-19  3:58         ` Eric Dumazet
2013-11-19  3:58         ` Eric Dumazet
2013-11-19  4:00         ` Eric Dumazet
2013-11-19  4:00           ` Eric Dumazet
2013-11-19  4:00           ` Eric Dumazet
2013-11-19  4:44           ` wangweidong
2013-11-19  4:44             ` wangweidong
2013-11-19  4:44             ` wangweidong
2013-11-19 11:35           ` Daniel Borkmann
2013-11-19 11:35             ` Daniel Borkmann
2013-11-19 11:35             ` Daniel Borkmann
2013-11-19 14:23             ` Eric Dumazet
2013-11-19 14:23               ` Eric Dumazet
2013-11-19 14:23               ` Eric Dumazet
2013-11-19 14:26               ` Daniel Borkmann
2013-11-19 14:26                 ` Daniel Borkmann
2013-11-19 14:26                 ` Daniel Borkmann
2013-11-19 15:25               ` Vlad Yasevich
2013-11-19 15:25                 ` Vlad Yasevich
2013-11-19 15:25                 ` Vlad Yasevich
2013-11-19 11:04       ` Daniel Borkmann
2013-11-19 11:04         ` Daniel Borkmann
2013-11-19 11:04         ` Daniel Borkmann
2013-11-19 11:09         ` wangweidong
2013-11-19 11:09           ` wangweidong
2013-11-19 11:09           ` wangweidong
2013-11-19  3:55   ` Eric Dumazet
2013-11-19  3:55     ` Eric Dumazet
2013-11-19  3:55     ` Eric Dumazet
2013-11-19  4:38     ` wangweidong
2013-11-19  4:38       ` wangweidong
2013-11-19  4:38       ` wangweidong

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