CVSROOT: /cvs Module name: src Changes by: [email protected] 2024/04/11 09:08:18
Modified files:
sys/net : if.h
Log message:
Prevent changing interface loopback flag from userland.
IFF_LOOPBACK is telling userland the behaviour of a specific driver,
it is supposed to be static and permanent. Clearing the loopback
flag on lo0 could lead to a kernel crash due to inconsistent multicast
igmp group.
Reported-by: [email protected]
OK claudio@ deraadt@
