4.9-stable patches

4.9-stable patches

added patches:
	block_dev-don-t-test-bdev-bd_contains-when-it-is-not-stable.patch
	crypto-caam-fix-aead-givenc-descriptors.patch
	exec-ensure-mm-user_ns-contains-the-execed-files.patch
	ext4-add-sanity-checking-to-count_overhead.patch
	ext4-do-not-perform-data-journaling-when-data-is-encrypted.patch
	ext4-don-t-lock-buffer-in-ext4_commit_super-if-holding-spinlock.patch
	ext4-fix-in-superblock-mount-options-processing.patch
	ext4-fix-mballoc-breakage-with-64k-block-size.patch
	ext4-fix-stack-memory-corruption-with-64k-block-size.patch
	ext4-reject-inodes-with-negative-size.patch
	ext4-return-enomem-instead-of-success.patch
	ext4-use-more-strict-checks-for-inodes_per_block-on-mount.patch
	f2fs-fix-overflow-due-to-condition-check-order.patch
	f2fs-fix-to-determine-start_cp_addr-by-sbi-cur_cp_pack.patch
	f2fs-set-owner-for-debugfs-status-file-s-file_operations.patch
	fs-exec-apply-cloexec-before-changing-dumpable-task-flags.patch
	loop-return-proper-error-from-loop_queue_rq.patch
	mm-add-a-user_ns-owner-to-mm_struct-and-fix-ptrace-permission-checks.patch
	mm-page_alloc-keep-pcp-count-and-list-contents-in-sync-if-struct-page-is-corrupted.patch
	mm-vmscan.c-set-correct-defer-count-for-shrinker.patch
	nvmet-fix-possible-infinite-loop-triggered-on-hot-namespace-removal.patch
	ptrace-capture-the-ptracer-s-creds-not-pt_ptrace_cap.patch
	ptrace-don-t-allow-accessing-an-undumpable-mm.patch
	revert-f2fs-use-percpu_counter-for-of-dirty-pages-in-inode.patch
	splice-reinstate-sigpipe-epipe-handling.patch
	vfs-mm-fix-return-value-of-read-at-s_maxbytes.patch