netdev - Re: [PATCH net 1/2] rds: tcp: use sock_create

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:   Thu, 6 Jul 2017 09:43:50 -0700
From:   Santosh Shilimkar <santosh.shilimkar@...cle.com>
To:     Sowmini Varadhan <sowmini.varadhan@...cle.com>,
        netdev@...r.kernel.org
Cc:     davem@...emloft.net
Subject: Re: [PATCH net 1/2] rds: tcp: use sock_create_lite() to create the
 accept socket

On 7/6/2017 8:15 AM, Sowmini Varadhan wrote:
> There are two problems with calling sock_create_kern() from
> rds_tcp_accept_one()
> 1. it sets up a new_sock->sk that is wasteful, because this ->sk
>     is going to get replaced by inet_accept() in the subsequent ->accept()
> 2. The new_sock->sk is a leaked reference in sock_graft() which
>     expects to find a null parent->sk
> 
> Avoid these problems by calling sock_create_lite().
> 
> Signed-off-by: Sowmini Varadhan <sowmini.varadhan@...cle.com>
> ---
Acked-by: Santosh Shilimkar <santosh.shilimkar@...cle.com>