netdev - Re: [PATCH net-next v2] ipv6: invert join/leave anycast rtnl/socket locking order

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] [day] [month] [year] [list]

Date:	Fri, 20 Mar 2015 13:33:33 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	marcelo.leitner@...il.com
Cc:	netdev@...r.kernel.org, hannes@...essinduktion.org,
	sergei.shtylyov@...entembedded.com
Subject: Re: [PATCH net-next v2] ipv6: invert join/leave anycast
 rtnl/socket locking order

From: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
Date: Fri, 20 Mar 2015 11:37:17 -0300

> Commit baf606d9c9b1 ("ipv4,ipv6: grab rtnl before locking the socket")
> missed to update two setsockopt options, IPV6_JOIN_ANYCAST and
> IPV6_LEAVE_ANYCAST, causing a lock inverstion regarding to the updated ones.
> 
> As ipv6_sock_ac_join and ipv6_sock_ac_leave are only called from
> do_ipv6_setsockopt, we are good to just move the rtnl lock upper.
> 
> Fixes: baf606d9c9b1 ("ipv4,ipv6: grab rtnl before locking the socket")
> Reported-by: Ying Huang <ying.huang@...el.com>
> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>

Applied, thank you.
--
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