K 10 svn:author V 4 tijl K 8 svn:date V 27 2018-11-22T09:47:51.671802Z K 7 svn:log V 341 MFC r340674: Fix another user address dereference in linux_sendmsg syscall. This was hidden behind the LINUX_CMSG_NXTHDR macro which dereferences its second argument. Stop using the macro as well as LINUX_CMSG_FIRSTHDR. Use the size field of the kernel copy of the control message header to obtain the next control message. PR: 217901 END