Merge 4.9.76 into android-4.9-o

Changes in 4.9.76
	kernel/acct.c: fix the acct->needcheck check in check_free_space()
	crypto: n2 - cure use after free
	crypto: chacha20poly1305 - validate the digest size
	crypto: pcrypt - fix freeing pcrypt instances
	sunxi-rsb: Include OF based modalias in device uevent
	fscache: Fix the default for fscache_maybe_release_page()
	nbd: fix use-after-free of rq/bio in the xmit path
	kernel: make groups_sort calling a responsibility group_info allocators
	kernel/signal.c: protect the traced SIGNAL_UNKILLABLE tasks from SIGKILL
	kernel/signal.c: protect the SIGNAL_UNKILLABLE tasks from !sig_kernel_only() signals
	kernel/signal.c: remove the no longer needed SIGNAL_UNKILLABLE check in complete_signal()
	iommu/arm-smmu-v3: Don't free page table ops twice
	iommu/arm-smmu-v3: Cope with duplicated Stream IDs
	ARC: uaccess: dont use "l" gcc inline asm constraint modifier
	Input: elantech - add new icbody type 15
	x86/microcode/AMD: Add support for fam17h microcode loading
	parisc: Fix alignment of pa_tlb_lock in assembly on 32-bit SMP kernel
	parisc: qemu idle sleep support
	x86/tlb: Drop the _GPL from the cpu_tlbstate export
	Map the vsyscall page with _PAGE_USER
	mtd: nand: pxa3xx: Fix READOOB implementation
	Linux 4.9.76

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>