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 PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 05 Jul 2007 16:08:12 +0200 From: Patrick McHardy <kaber@...sh.net> To: hadi@...erus.ca CC: Johannes Berg <johannes@...solutions.net>, netdev <netdev@...r.kernel.org>, Thomas Graf <tgraf@...g.ch> Subject: Re: multicasting netlink messages to groups > 31 from userspace jamal wrote: > >>Looking through the code that uses NL_NONROOT_SEND I just realised that >>it's impossible to send multicast messages from userspace to multicast >>groups with IDs higher than 31. That's not really good given that >>everywhere else we handle multicast groups up to 2^32-1 :/ > > > Yes, this is TheWayItHasBeen(tm). > Patrick had a patch a while back to allow for subscribing to higher > groups because bind() has a similar issue in that it allows you only to > subscribe to the first 32. So it is logical to fix connect, and sendmsg > in a similar fashion. For sendmsg I'd suggest to use cmsgs as in recvmsg(). - 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
Powered by blists - more mailing lists