From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org, Paul.Durrant@citrix.com,
wei.liu2@citrix.com, xen-devel@lists.xenproject.org,
konrad.wilk@oracle.com
Subject: Re: xennet_start_xmit assumptions
Date: Thu, 19 Jan 2017 13:47:33 -0500 [thread overview]
Message-ID: <20170119184733.GJ22018@oracle.com> (raw)
In-Reply-To: <20170119.113759.555556955190770932.davem@davemloft.net>
On (01/19/17 11:37), David Miller wrote:
>
> I thought we had code which made sure that at least a minimal
> link layer header was present in the SKB?
>
> Specifically I'm talking about the dev_validate_header() check.
> That is supposed to protect us from these kinds of situations.
ah, but I run my pf_packet application as root, so I have
capable(CAP_SYS_RAWIO), so I slip through the dev_validate_header()
check.
--Sowmini
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
next prev parent reply other threads:[~2017-01-19 18:47 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-18 15:31 xennet_start_xmit assumptions Sowmini Varadhan
2017-01-18 19:25 ` Konrad Rzeszutek Wilk
2017-01-18 19:25 ` [Xen-devel] " Konrad Rzeszutek Wilk
2017-01-19 9:36 ` Paul Durrant
2017-01-19 11:14 ` [Xen-devel] " Sowmini Varadhan
2017-01-19 11:31 ` Paul Durrant
2017-01-19 11:37 ` Sowmini Varadhan
2017-01-19 11:37 ` [Xen-devel] " Sowmini Varadhan
2017-01-19 16:37 ` David Miller
2017-01-19 18:47 ` Sowmini Varadhan [this message]
2017-01-19 22:41 ` Sowmini Varadhan
2017-01-19 22:41 ` [Xen-devel] " Sowmini Varadhan
2017-01-20 19:30 ` David Miller
2017-01-20 19:30 ` [Xen-devel] " David Miller
2017-01-20 20:03 ` Sowmini Varadhan
2017-01-20 20:03 ` [Xen-devel] " Sowmini Varadhan
2017-01-25 15:06 ` Paul Durrant
2017-01-25 15:45 ` Sowmini Varadhan
2017-01-25 15:45 ` Sowmini Varadhan
2017-01-25 15:06 ` Paul Durrant
2017-01-19 11:14 ` Sowmini Varadhan
-- strict thread matches above, loose matches on Subject: below --
2017-01-18 15:31 Sowmini Varadhan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170119184733.GJ22018@oracle.com \
--to=sowmini.varadhan@oracle.com \
--cc=Paul.Durrant@citrix.com \
--cc=davem@davemloft.net \
--cc=konrad.wilk@oracle.com \
--cc=netdev@vger.kernel.org \
--cc=wei.liu2@citrix.com \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.