netdev - Re: [PATCH] IP: Increment INADDRERRORS if routing for a packet is not successful

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, 2 Jun 2010 11:35:12 -0500 (CDT)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
cc:	netdev@...r.kernel.org, Stephen Hemminger <shemminger@...tta.com>,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH] IP: Increment INADDRERRORS if routing for a packet is
 not successful

On Wed, 2 Jun 2010, Eric Dumazet wrote:

> Your patch has nothing to do with dropped packets because of rp_filter.
>
> You inserted a counter increment in a path that is not taken at all by
> packet delivery.
>
> Maybe I missed something really obvious with your patch ?

rp_filter rejects a route and packets are dropped then.

> Have you considered CONFIG_NET_DROP_MONITOR ?
> This one catches all possible cases, a developper doesnt have to patch
> his kernel to add SNMP counters everywhere...

Just looking at it. Great. A hook into skb_free. That will do.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html