netdev - Re: [PATCH net-next] tcp: reduce skb overhead in selected places

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: <20170125.140302.1425628250874176845.davem@davemloft.net>
Date:   Wed, 25 Jan 2017 14:03:02 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     eric.dumazet@...il.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net-next] tcp: reduce skb overhead in selected places

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 25 Jan 2017 10:38:52 -0800

> Do you think we could change __pskb_pull_tail() right away and fix the
> few places that would break, or should we add various helpers with extra
> parameters to take a safe route ?

It should always be safe as long as we see no socket attached on RX,
right?

That's the only real case where truesize adjustments can cause trouble.