netdev - Re: [PATCH net 1/4] sctp: validate from_addr

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: <YP9tZryTbUGaQQ+e@decadent.org.uk>
Date:   Tue, 27 Jul 2021 04:20:22 +0200
From:   Ben Hutchings <ben@...adent.org.uk>
To:     Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
Cc:     netdev@...r.kernel.org, linux-sctp@...r.kernel.org,
        Ilja Van Sprundel <ivansprundel@...ctive.com>,
        Neil Horman <nhorman@...driver.com>,
        Vlad Yasevich <vyasevich@...il.com>,
        Xin Long <lucien.xin@...il.com>, carnil@...ian.org
Subject: Re: [PATCH net 1/4] sctp: validate from_addr_param return

On Mon, Jun 28, 2021 at 04:13:41PM -0300, Marcelo Ricardo Leitner wrote:
[...]
> @@ -1174,7 +1175,8 @@ static struct sctp_association *__sctp_rcv_asconf_lookup(
>  	if (unlikely(!af))
>  		return NULL;
>  
> -	af->from_addr_param(&paddr, param, peer_port, 0);
> +	if (af->from_addr_param(&paddr, param, peer_port, 0))
> +		return NULL;
>  
>  	return __sctp_lookup_association(net, laddr, &paddr, transportp);
>  }
[...]

This condition needs to be inverted, doesn't it?

Ben.

-- 
Ben Hutchings
friends: People who know you well, but like you anyway.

Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)