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: Tue, 21 Oct 2014 21:36:04 -0400 (EDT) From: David Miller <davem@...emloft.net> To: tgraf@...g.ch Cc: davem@...emloft.ne, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, eric.dumazet@...il.com Subject: Re: [PATCH] netlink: Re-add locking to netlink_lookup() and seq walker From: Thomas Graf <tgraf@...g.ch> Date: Tue, 21 Oct 2014 22:05:38 +0200 > The synchronize_rcu() in netlink_release() introduces unacceptable > latency. Reintroduce minimal lookup so we can drop the > synchronize_rcu() until socket destruction has been RCUfied. > > Cc: David S. Miller <davem@...emloft.net> > Cc: Eric Dumazet <eric.dumazet@...il.com> > Reported-by: Steinar H. Gunderson <sgunderson@...foot.com> > Reported-and-tested-by: Heiko Carstens <heiko.carstens@...ibm.com> > Signed-off-by: Thomas Graf <tgraf@...g.ch> Applied and queued up for -stable. Please use an appropriate "Fixes: " tag in the future, this is especially important for an issue as serious as this one. Thanks. -- 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