[radvd-devel-l] [PATCH] netlink: setsockopt NETLINK_NO_ENOBUFS

Ulrich Weber ulrich.weber at sophos.com
Tue Feb 7 06:05:48 EST 2012

Hi all,

please find attached patch to set sockoption NETLINK_NO_ENOBUFS.
Otherwise radvd might loop with "socket error on fds[1].fd" messages
in poll function when netlink overruns and sets POLLERR.

Script to reproduce:
let COUNT=1
while [[ $COUNT -lt 1000 ]]
ip link add dummy$COUNT type dummy
let COUNT++
sleep 5
rmmod dummy

Best regards

Ulrich Weber | ulrich.weber at sophos.com | Senior Software Engineer
Astaro - a Sophos company | Amalienbadstr 41 | 76227 Karlsruhe | Germany
Phone +49-721-25516-0 | Fax –200 | www.astaro.com

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