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] [day] [month] [year] [list]
Date:   Wed, 20 Jun 2018 14:41:55 +0900 (KST)
From:   David Miller <davem@...emloft.net>
To:     willemdebruijn.kernel@...il.com
Cc:     netdev@...r.kernel.org, willemb@...gle.com
Subject: Re: [PATCH net] ip: limit use of gso_size to udp

From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
Date: Tue, 19 Jun 2018 06:40:26 -0400

> From: Willem de Bruijn <willemb@...gle.com>
> 
> The ipcm(6)_cookie field gso_size is set only in the udp path. The ip
> layer copies this to cork only if sk_type is SOCK_DGRAM. This check
> proved too permissive. Ping and l2tp sockets have the same type.
> 
> Limit to sockets of type SOCK_DGRAM and protocol IPPROTO_UDP to
> exclude ping sockets.
> 
> Fixes: bec1f6f69736 ("udp: generate gso with UDP_SEGMENT")
> Reported-by: Maciej Żenczykowski <maze@...gle.com>
> Signed-off-by: Willem de Bruijn <willemb@...gle.com>

Applied, thanks Willem.

> For net-next, I'll take a look whether ipcm(6)_cookie fields like
> these can be initialized uniformly, and then this branch removed
> completely.

Sounds good.

Powered by blists - more mailing lists