netdev - Re: [PATCH] [NET_SCHED] sch_prio.c: remove duplicate call of tc

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]

Message-ID: <Pine.LNX.4.64.0708311135190.8423@x2>
Date:	Fri, 31 Aug 2007 11:35:38 +0200 (CEST)
From:	Patrick McHardy <kaber@...sh.net>
To:	Lucas Nussbaum <lucas.nussbaum@...g.fr>
cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] [NET_SCHED] sch_prio.c: remove duplicate call of
 tc_classify()

On Thu, 30 Aug 2007, Lucas Nussbaum wrote:

> When CONFIG_NET_CLS_ACT is enabled, tc_classify() is called twice in
> prio_classify(). This causes "interesting" behaviour: with the setup
> below, packets are duplicated, sent twice to ifb0, and then loop in and
> out of ifb0.
>
> The patch uses the previously calculated return value in the switch,
> which is probably what Patrick had in mind in commit
> bdba91ec70fb5ccbdeb1c7068319adc6ea9e1a7d -- maybe Patrick can
> double-check this?


Thanks for catching this, this is indeed what I had in mind.
-
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