Backport fix for CVE-2017-1000364 to linux-yocto-4.8

Backport of upstream fixes from 4.9 kernel branch to linux-yocto:
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?h=v4.9.34&id=cfc0eb403816c5c4f9667d959de5e22789b5421e
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?h=v4.9.34&id=5d10ad6297260e9b85e7645ee544a6115bb229e4
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?h=v4.9.34&id=ce7fe8595902c3f03ef528c2dc1928b3f4b67fcf

Change-Id: I5bedd3af344b32b410bb7d59448710799143107d
Bug-AGL: SPEC-705 SPEC-707
Signed-off-by: Jan-Simon Möller <jsmoeller@linuxfoundation.org>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/9855
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
Reviewed-by: Stéphane Desneux <stephane.desneux@iot.bzh>