netdev - [PATCH net v2 0/2] net/sched: fix wrong behavior of MPLS push/pop action

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]

Date:   Sat, 12 Oct 2019 13:55:05 +0200
From:   Davide Caratti <dcaratti@...hat.com>
To:     lkp@...el.com
Cc:     davem@...emloft.net, dcaratti@...hat.com,
        john.hurley@...ronome.com, kbuild-all@...org, lorenzo@...nel.org,
        netdev@...r.kernel.org, xiyou.wangcong@...il.com,
        Simon Horman <simon.horman@...ronome.com>
Subject: [PATCH net v2 0/2] net/sched: fix wrong behavior of MPLS push/pop action

this series contains two fixes for TC 'act_mpls', that try to address
two problems that can be observed configuring simple 'push' / 'pop'
operations:
- patch 1/2 avoids dropping non-MPLS packets that pass through the MPLS
  'pop' action.
- patch 2/2 fixes corruption of the L2 header that occurs when 'push'
  or 'pop' actions are configured in TC egress path.

v2: - change commit message in patch 1/2 to better describe that the
      patch impacts only TC, thanks to Simon Horman
    - fix missing documentation of 'mac_len' in patch 2/2


Davide Caratti (2):
  net: avoid errors when trying to pop MLPS header on non-MPLS packets
  net/sched: fix corrupted L2 header with MPLS 'push' and 'pop' actions

 include/linux/skbuff.h    |  5 +++--
 net/core/skbuff.c         | 21 ++++++++++++---------
 net/openvswitch/actions.c |  5 +++--
 net/sched/act_mpls.c      | 12 ++++++++----
 4 files changed, 26 insertions(+), 17 deletions(-)

-- 
2.21.0