netdev - Re: [PATCH] net: diag: Tell user if support for destroying TCP sockets is not enabled

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, 16 May 2016 19:11:58 -0600
From:	David Ahern <dsa@...ulusnetworks.com>
To:	Lorenzo Colitti <lorenzo@...gle.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH] net: diag: Tell user if support for destroying TCP
 sockets is not enabled

On 5/16/16 6:49 PM, Lorenzo Colitti wrote:
> On Tue, May 17, 2016 at 8:53 AM, David Ahern <dsa@...ulusnetworks.com> wrote:
>> +#else
>> +static int tcp_diag_destroy(struct sk_buff *in_skb,
>> +                           const struct inet_diag_req_v2 *req)
>> +{
>> +       return -EOPNOTSUPP;
>> +}
>>  #endif
>
> I don't understand why you need this. inet_diag_cmd_exact already
> returns EOPNOTSUPP if tcp_diag_handler.destroy is NULL:
>
>         else if (cmd == SOCK_DIAG_BY_FAMILY)
>                 err = handler->dump_one(in_skb, nlh, req);
>         else if (cmd == SOCK_DESTROY && handler->destroy)
>                 err = handler->destroy(in_skb, req);
>         else
>                 err = -EOPNOTSUPP;
>
> Is this not working for some reason?
>

hmmm.... kernel patch is not needed. Suppression was happening in ss.