netdev - pull-request: can 2019-11-13

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Date:   Wed, 13 Nov 2019 10:55:41 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, linux-can@...r.kernel.org,
        kernel@...gutronix.de
Subject: pull-request: can 2019-11-13

Hello David,

this is a pull request of 9 patches for net/master, hopefully for the v5.4
release cycle.

All nine patches are by Oleksij Rempel and fix locking and use-after-free bugs
in the j1939 stack found by the syzkaller syzbot.

regards,
Marc

---

The following changes since commit 5aa4277d4368c099223bbcd3a9086f3351a12ce9:

  dpaa2-eth: free already allocated channels on probe defer (2019-11-12 19:49:27 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can.git tags/linux-can-fixes-for-5.4-20191113

for you to fetch changes up to 4a15d574e68afffbe8d7265e015cda2ac2a248ec:

  can: j1939: warn if resources are still linked on destroy (2019-11-13 10:42:34 +0100)

----------------------------------------------------------------
linux-can-fixes-for-5.4-20191113

----------------------------------------------------------------
Oleksij Rempel (9):
      can: af_can: export can_sock_destruct()
      can: j1939: move j1939_priv_put() into sk_destruct callback
      can: j1939: main: j1939_ndev_to_priv(): avoid crash if can_ml_priv is NULL
      can: j1939: socket: rework socket locking for j1939_sk_release() and j1939_sk_sendmsg()
      can: j1939: transport: make sure the aborted session will be deactivated only once
      can: j1939: make sure socket is held as long as session exists
      can: j1939: transport: j1939_cancel_active_session(): use hrtimer_try_to_cancel() instead of hrtimer_cancel()
      can: j1939: j1939_can_recv(): add priv refcounting
      can: j1939: warn if resources are still linked on destroy

 include/linux/can/core.h  |  1 +
 net/can/af_can.c          |  3 +-
 net/can/j1939/main.c      |  9 +++++
 net/can/j1939/socket.c    | 94 +++++++++++++++++++++++++++++++++++++----------
 net/can/j1939/transport.c | 36 +++++++++++++-----
 5 files changed, 113 insertions(+), 30 deletions(-)