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From: Sabrina Dubroca <sd@queasysnail.net>
To: Hangbin Liu <liuhangbin@gmail.com>
Cc: netdev@vger.kernel.org, Roopa Prabhu <roopa@cumulusnetworks.com>,
	"David S . Miller" <davem@davemloft.net>
Subject: Re: [PATCH net] ipv4: Add ICMPv6 support when parse route ipproto
Date: Mon, 25 Feb 2019 12:14:39 +0100	[thread overview]
Message-ID: <20190225111439.GA26565@bistromath.localdomain> (raw)
In-Reply-To: <20190225074700.7316-1-liuhangbin@gmail.com>

2019-02-25, 15:47:00 +0800, Hangbin Liu wrote:
> @@ -14,6 +15,7 @@ int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto,
>  	case IPPROTO_TCP:
>  	case IPPROTO_UDP:
>  	case IPPROTO_ICMP:
> +	case IPPROTO_ICMPV6:

Is IPPROTO_ICMPV6 supposed to be valid in the IPv4 code path calling
this function? inet_rtm_getroute_build_skb() doesn't seem to handle
it. Likewise, userspace could pass IPPROTO_ICMP from the IPv6 caller.

Also, should that be guarded by #if IS_ENABLED(CONFIG_IPV6) ?

>  		return 0;
>  	default:
>  		NL_SET_ERR_MSG(extack, "Unsupported ip proto");
> -- 
> 2.19.2
> 

-- 
Sabrina

  reply	other threads:[~2019-02-25 11:14 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-25  7:47 [PATCH net] ipv4: Add ICMPv6 support when parse route ipproto Hangbin Liu
2019-02-25 11:14 ` Sabrina Dubroca [this message]
2019-02-25 18:46   ` David Ahern
2019-02-26  2:17     ` Hangbin Liu
2019-02-26  2:23       ` David Ahern
2019-02-26  3:48         ` Hangbin Liu
2019-02-26  9:06           ` Sabrina Dubroca
2019-02-27  8:15 ` [PATCH v2 " Hangbin Liu
2019-03-02  0:42   ` David Miller

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