netdev - Re: [PATCH] ipv6: Don't unset flowi6_proto in ipxip6_tnl

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 31 Aug 2016 13:56:03 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     elicooper@....com
Cc:     netdev@...r.kernel.org, tom@...bertland.com
Subject: Re: [PATCH] ipv6: Don't unset flowi6_proto in ipxip6_tnl_xmit()

From: Eli Cooper <elicooper@....com>
Date: Fri, 26 Aug 2016 23:52:29 +0800

> @@ -1174,6 +1174,7 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
>  		encap_limit = t->parms.encap_limit;
>  
>  	memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
> +	fl6.flowi6_proto = IPPROTO_IPIP;

Let's just simply have t->fl have the proto setup properly, just like
in GRE.

Assigning it explicitly every packet transmit doesn't make much sense.