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From: David Gibson <david@gibson.dropbear.id.au>
To: Stefano Brivio <sbrivio@redhat.com>
Cc: passt-dev@passt.top
Subject: Re: [PATCH 0/4] udp: Fix some confusion of IPv4 and IPv6 control structures
Date: Fri, 25 Nov 2022 18:11:03 +1100	[thread overview]
Message-ID: <Y4Bqh6Yd1h0Tf7LM@yekko> (raw)
In-Reply-To: <20221125030121.760ff153@elisabeth>

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On Fri, Nov 25, 2022 at 03:01:21AM +0100, Stefano Brivio wrote:
> On Thu, 24 Nov 2022 19:54:17 +1100
> David Gibson <david@gibson.dropbear.id.au> wrote:
> 
> > It turns out a couple of places on the IPv4 specific inbound path
> > accidentally use control structures that are supposed to be for IPv6.
> > That could lead to weird behaviour in a rather complex set of
> > circumstances.
> 
> Whoops, this is embarrassing.

Heh, been there.

> > Path 1/4 here is the actual fix, the rest makes some clean ups to the
> > code that should make similar mistakes harder errors harder to commit
> > in future.
> 
> The whole series looks good to me.
> 
> > This is based on my earlier cleanup of the UDP splicing code, although
> > I think it will rebase trivially.
> 
> I tried, it does, but I wouldn't needlessly rebase that one on top of
> this, I'd rather wait a bit and apply them in order.

Ok.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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  reply	other threads:[~2022-11-25  7:17 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-24  8:54 [PATCH 0/4] udp: Fix some confusion of IPv4 and IPv6 control structures David Gibson
2022-11-24  8:54 ` [PATCH 1/4] udp: Fix inorrect use of IPv6 mh buffers in IPv4 path David Gibson
2022-11-24  8:54 ` [PATCH 2/4] udp: Better factor IPv4 and IPv6 paths in udp_sock_handler() David Gibson
2022-11-24  8:54 ` [PATCH 3/4] udp: Preadjust udp[46]_l2_iov_tap[].iov_base for pasta mode David Gibson
2022-11-24  8:54 ` [PATCH 4/4] udp: Factor out control structure management from udp_sock_fill_data_v[46] David Gibson
2022-11-25  2:01 ` [PATCH 0/4] udp: Fix some confusion of IPv4 and IPv6 control structures Stefano Brivio
2022-11-25  7:11   ` David Gibson [this message]
2022-12-06  6:47 ` Stefano Brivio

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