Regular kernel update for openSUSE Leap 42.1.

- nfsd: stricter decoding of write-like NFSv2/v3 ops (bsc#1034670
CVE#2017-7645).
- nfsd4: minor NFSv2/v3 write decoding cleanup (bsc#1034670
CVE#2017-7645).
- nfsd: check for oversized NFSv2/v3 arguments (bsc#1034670
CVE#2017-7645).
- commit 5f49ec2

- crypto: ahash - Fix EINPROGRESS notification callback
(CVE-2017-7618,bsc#1033340).
- commit e201705

- fscrypto: add authorization check for setting encryption policy
(bsc#1032435 CVE-2016-10318).
- commit cad59d1

- fs, seqfile: always allow oom killer (bsc#1012876).
- commit 5869a71

- mm: filemap: don't plant shadow entries without radix tree node
(bsc#1012876).
- commit 4950a49

- ext4: reject inodes with negative size (bsc#1012876).
- commit 655343f

- ext4: do not perform data journaling when data is encrypted
(bsc#1012876).
- commit 922f97a