netdev - Re: [patch v2] bridge: make buffer larger in br

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: <81d549e4-cdee-4c0f-88c7-6d2341c7b1f2@tahiti.vyatta.com>
Date:	Fri, 07 Dec 2012 09:08:00 -0800 (PST)
From:	Stephen Hemminger <stephen.hemminger@...tta.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	bridge@...ts.linux-foundation.org, netdev@...r.kernel.org,
	kernel-janitors@...r.kernel.org, Thomas Graf <tgraf@...g.ch>
Subject: Re: [patch v2] bridge: make buffer larger in br_setlink()



----- Original Message -----
> We pass IFLA_BRPORT_MAX to nla_parse_nested() so we need
> IFLA_BRPORT_MAX + 1 elements.  Also Smatch complains that we read
> past
> the end of the array when in br_set_port_flag() when it's called with
> IFLA_BRPORT_FAST_LEAVE.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
> ---
> v2: Style tweak.
> 
> Only needed in linux-next.
> 
> diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
> index 850b7d1..cfc5cfe 100644
> --- a/net/bridge/br_netlink.c
> +++ b/net/bridge/br_netlink.c
> @@ -239,7 +239,7 @@ int br_setlink(struct net_device *dev, struct
> nlmsghdr *nlh)
>  	struct ifinfomsg *ifm;
>  	struct nlattr *protinfo;
>  	struct net_bridge_port *p;
> -	struct nlattr *tb[IFLA_BRPORT_MAX];
> +	struct nlattr *tb[IFLA_BRPORT_MAX + 1];
>  	int err;
>  
>  	ifm = nlmsg_data(nlh);
> 
> 

Acked-by: Stephen Hemminger <shemminger@...tta.com>
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html