netdev - Re: [PATCH net-next] xen-netback: fix xenvif_count_skb

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:	Mon, 07 Oct 2013 15:36:22 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	paul.durrant@...rix.com
Cc:	xen-devel@...ts.xen.org, netdev@...r.kernel.org,
	xixiong@...zon.com, msw@...zon.com, annie.li@...cle.com,
	wei.liu2@...rix.com, Ian.Campbell@...rix.com
Subject: Re: [PATCH net-next] xen-netback: fix xenvif_count_skb_slots()

From: Paul Durrant <paul.durrant@...rix.com>
Date: Fri, 4 Oct 2013 17:26:23 +0100

> Commit 4f0581d25827d5e864bcf07b05d73d0d12a20a5c introduced an error into
> xenvif_count_skb_slots() for skbs with a linear area spanning a page
> boundary. The alignment of skb->data needs to be taken into account, not
> just the head length. This patch fixes the issue by dry-running the code
> from xenvif_gop_skb() (and adjusting the comment above the function to note
> that).
> 
> Signed-off-by: Paul Durrant <paul.durrant@...rix.com>

There seems to be a lot of back and forth about what is the most
desirable way forward wrt. this commit and another similar one.

Please advise.
--
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