hi all, net/core/dev.c:dev_ifsioc(...) (runs in response to ioctl commands on interfaces e.g via an ifconfig command), calls '__dev_get_by_name' without holding appropriate locks. shouldn't the update to dev_base done while locking rtnl mutex ? kind regards anupam -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/