netdev - [PATCH net-next 0/4] hv_netvsc: fix some crashes and hangs on channel/mtu changes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20171031134204.15287-1-vkuznets@redhat.com>
Date:   Tue, 31 Oct 2017 14:42:00 +0100
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>
Subject: [PATCH net-next 0/4] hv_netvsc: fix some crashes and hangs on channel/mtu changes

It was found that netvsc driver doesn't survive e.g.

# while true; do ethtool -L eth0 combined 4; ethtool -L eth0 combined 8; done"

test. I was able to identify several issues: hang in guest/host
communication and a couple of crashes. Fix these. While I'm not
convinced I'm fixing everything VMs seem to survive overnight
test. I'll send one more related patch to VMBus core too.

Vitaly Kuznetsov (4):
  hv_netvsc: netvsc_teardown_gpadl() split
  hv_netvsc: protect nvdev->extension with RCU
  hv_netvsc: reset net_device_ctx->nvdev with rcu_assign_pointer()
  hv_netvsc: hide warnings about uninitialized/missing rndis device

 drivers/net/hyperv/hyperv_net.h   |  2 +-
 drivers/net/hyperv/netvsc.c       | 71 ++++++++++++++++++++-------------------
 drivers/net/hyperv/netvsc_drv.c   | 10 +++---
 drivers/net/hyperv/rndis_filter.c | 47 ++++++++++++++++----------
 4 files changed, 74 insertions(+), 56 deletions(-)

-- 
2.13.6