linux-kernel - Re: [PATCH net-next] net-core: rx_otherhost_dropped to core

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:   Thu, 7 Apr 2022 08:36:18 -0700
From:   Brian Vazquez <brianvv@...gle.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Jeffrey Ji <jeffreyjilinux@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Paolo Abeni <pabeni@...hat.com>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        David Ahern <dsahern@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Toke Høiland-Jørgensen <toke@...hat.com>,
        Menglong Dong <imagedong@...cent.com>,
        Petr Machata <petrm@...dia.com>,
        Kumar Kartikeya Dwivedi <memxor@...il.com>,
        Arnd Bergmann <arnd@...db.de>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jeffrey Ji <jeffreyji@...gle.com>
Subject: Re: [PATCH net-next] net-core: rx_otherhost_dropped to core_stats

Looks good to me, thanks Jeffrey.

Reviewed-by: Brian Vazquez <brianvv@...gle.com>


On Wed, Apr 6, 2022 at 10:31 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Wed,  6 Apr 2022 17:26:00 +0000 Jeffrey Ji wrote:
> > From: Jeffrey Ji <jeffreyji@...gle.com>
> >
> > Increment rx_otherhost_dropped counter when packet dropped due to
> > mismatched dest MAC addr.
> >
> > An example when this drop can occur is when manually crafting raw
> > packets that will be consumed by a user space application via a tap
> > device. For testing purposes local traffic was generated using trafgen
> > for the client and netcat to start a server
> >
> > Tested: Created 2 netns, sent 1 packet using trafgen from 1 to the other
> > with "{eth(daddr=$INCORRECT_MAC...}", verified that iproute2 showed the
> > counter was incremented. (Also had to modify iproute2 to show the stat,
> > additional patch for that coming next.)
> >
> > Signed-off-by: Jeffrey Ji <jeffreyji@...gle.com>
>
> Acked-by: Jakub Kicinski <kuba@...nel.org>