netdev - Re: [PATCH net-next 2/8] netfilter: add API to manage NAT helpers.

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 1 Apr 2019 00:12:06 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Flavio Leitner <fbl@...close.org>
Cc:     netdev@...r.kernel.org, Joe Stringer <joe@....org>,
        Pravin B Shelar <pshelar@....org>, dev@...nvswitch.org,
        netfilter-devel@...r.kernel.org
Subject: Re: [PATCH net-next 2/8] netfilter: add API to manage NAT helpers.

On Tue, Mar 26, 2019 at 05:57:09PM -0300, Flavio Leitner wrote:
[...]
> diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
> index 274baf1dab87..883a8d438503 100644
> --- a/net/netfilter/nf_conntrack_helper.c
> +++ b/net/netfilter/nf_conntrack_helper.c
> @@ -42,6 +42,9 @@ module_param_named(nf_conntrack_helper, nf_ct_auto_assign_helper, bool, 0644);
>  MODULE_PARM_DESC(nf_conntrack_helper,
>  		 "Enable automatic conntrack helper assignment (default 0)");
>  
> +static struct list_head nf_ct_nat_helpers __read_mostly;
> +static DEFINE_SPINLOCK(nf_ct_nat_helpers_lock);

Why a spinlock here? Use mutex instead I'd suggest.

Thanks.