Re: [PATCH] net/ping: handle protocol mismatching scenario

[David Miller]

From: Jane Zhou <a17711@xxxxxxxxxxxx>
Date: Mon, 24 Nov 2014 11:44:08 -0800

> ping_lookup() may return a wrong sock if sk_buff's and sock's protocols
> dont' match. For example, sk_buff's protocol is ETH_P_IPV6, but sock's
> sk_family is AF_INET, in that case, if sk->sk_bound_dev_if is zero, a wrong
> sock will be returned.
> the fix is to "continue" the searching, if no matching, return NULL.
> 
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx>
> Cc: James Morris <jmorris@xxxxxxxxx>
> Cc: Hideaki YOSHIFUJI <yoshfuji@xxxxxxxxxxxxxx>
> Cc: Patrick McHardy <kaber@xxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Jane Zhou <a17711@xxxxxxxxxxxx>
> Signed-off-by: Yiwei Zhao <gbjc64@xxxxxxxxxxxx>

Applied, thank you.
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