linux-kernel - [PATCH for v3.18 00/18] Backport CVE-2017-13166 fixes to Kernel 3.18

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Date:   Wed, 28 Mar 2018 15:12:19 -0300
From:   Mauro Carvalho Chehab <mchehab@...pensource.com>
To:     Linux Media Mailing List <linux-media@...r.kernel.org>,
        stable@...r.kernel.org, Greg KH <gregkh@...uxfoundation.org>
Cc:     Mauro Carvalho Chehab <mchehab@...pensource.com>,
        Mauro Carvalho Chehab <mchehab@...radead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Seung-Woo Kim <sw0312.kim@...sung.com>,
        Inki Dae <inki.dae@...sung.com>,
        Brian Warner <brian.warner@...sung.com>
Subject: [PATCH for v3.18 00/18] Backport CVE-2017-13166 fixes to Kernel 3.18

Hi Greg,

Those are the backports meant to solve CVE-2017-13166 on Kernel 3.18.

It contains two v4l2-ctrls fixes that are required to avoid crashes
at the test application.

I wrote two patches myself for Kernel 3.18 in order to solve some
issues specific for Kernel 3.18 with aren't needed upstream.
one is actually a one-line change backport. The other one makes
sure that both 32-bits and 64-bits version of some ioctl calls
will return the same value for a reserved field.

I noticed an extra bug while testing it, but the bug also hits upstream,
and should be backported all the way down all stable/LTS versions.
So, I'll send it the usual way, after merging upsream.

Regards,
Mauro


Daniel Mentz (2):
  media: v4l2-compat-ioctl32: Copy v4l2_window->global_alpha
  media: v4l2-compat-ioctl32.c: refactor compat ioctl32 logic

Hans Verkuil (12):
  media: v4l2-ioctl.c: don't copy back the result for -ENOTTY
  media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF
  media: v4l2-compat-ioctl32.c: fix the indentation
  media: v4l2-compat-ioctl32.c: move 'helper' functions to
    __get/put_v4l2_format32
  media: v4l2-compat-ioctl32.c: avoid sizeof(type)
  media: v4l2-compat-ioctl32.c: copy m.userptr in put_v4l2_plane32
  media: v4l2-compat-ioctl32.c: fix ctrl_is_pointer
  media: v4l2-compat-ioctl32.c: make ctrl_is_pointer work for subdevs
  media: v4l2-compat-ioctl32.c: copy clip list in put_v4l2_window32
  media: v4l2-compat-ioctl32.c: drop pr_info for unknown buffer type
  media: v4l2-compat-ioctl32.c: don't copy back the result for certain
    errors
  media: v4l2-ctrls: fix sparse warning

Mauro Carvalho Chehab (2):
  media: v4l2-compat-ioctl32: use compat_u64 for video standard
  media: v4l2-compat-ioctl32: initialize a reserved field

Ricardo Ribalda (2):
  vb2: V4L2_BUF_FLAG_DONE is set after DQBUF
  media: media/v4l2-ctrls: volatiles should not generate CH_VALUE

 drivers/media/v4l2-core/v4l2-compat-ioctl32.c | 1020 +++++++++++++++----------
 drivers/media/v4l2-core/v4l2-ctrls.c          |   96 ++-
 drivers/media/v4l2-core/v4l2-ioctl.c          |    5 +-
 drivers/media/v4l2-core/videobuf2-core.c      |    5 +
 4 files changed, 691 insertions(+), 435 deletions(-)

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2.14.3