netdev - [PATCH net v3 0/3] net: phy: Fix PHY module checks and NULL deref in phy_attach

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:   Wed,  8 Feb 2017 16:13:58 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        maowenan <maowenan@...wei.com>, andrew@...n.ch,
        rmk+kernel@...linux.org.uk, festevam@...il.com,
        davem@...emloft.net, nikita.yoush@...entembedded.com
Subject: [PATCH net v3 0/3] net: phy: Fix PHY module checks and NULL deref in phy_attach_direct()

Hi all,

This patch series addresses the crash seen with the Generic PHY driver
in phy_attach_direct() introduced in the latest pull to Linus.

We also address how to properly bind and unbind to/from the PHY drivers which
would previously be crashing in flames since we did not stop the state machine.

Thanks!

Changes in v3:

- made more testing as module/built-in, with Generic and non-Generic PHY drivers
- exercised error paths on purpose by injecting errors
- properly incremenet Generic PHY module reference count as well
- fixed the error path to be correct

Changes in v2:

- fixed net: phy: Fix lack of reference count on PHY driver against
  the Generic PHY driver which is special

Florian Fainelli (3):
  net: phy: Fix PHY module checks and NULL deref in phy_attach_direct()
  net: phy: Check phydev->drv
  net: phy: Fix PHY driver bind and unbind events

 drivers/net/phy/phy.c        | 26 +++++++++++++++++++++----
 drivers/net/phy/phy_device.c | 45 ++++++++++++++++++++++++++++++++++++++++----
 include/linux/phy.h          |  3 +++
 3 files changed, 66 insertions(+), 8 deletions(-)

-- 
2.9.3