CVE request: kernel: iovec overflow in rds_rdma_pages()

Reported by Thomas Pollet, more info can be found at:
http://www.spinics.net/lists/netdev/msg145359.html
https://bugzilla.redhat.com/show_bug.cgi?id=647416

Thanks, Eugene
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main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i); }