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>] [day] [month] [year] [list]
Date:	Fri, 21 Jun 2013 11:01:19 +0200
From:	Igor Mammedov <imammedo@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	mtosatti@...hat.com, tglx@...utronix.de, mingo@...hat.com,
	hpa@...or.com, kvm@...r.kernel.org, x86@...nel.org,
	pbonzini@...hat.com, eabatalov89@...il.com
Subject: [PATCH 0/2 v2] x86: kvmclock: Prevent uninitialized per-cpu kvmclock usage

Fixes regression introduced by
    7069ed6 x86: kvmclock: allocate pvclock shared memory area
and reported by Eugene:
    https://bugzilla.kernel.org/show_bug.cgi?id=59521

v2:
 - "[1/2] x86: kvmclock: zero initialize pvclock shared memory area"
      added to commit messaged another reason why it's clearing
      is necessary.
 - added "[2/2] x86: kvmclock: register per-cpu kvmclock at earliest possible time"
      to register clock earlier.

Igor Mammedov (2):
  x86: kvmclock: zero initialize pvclock shared memory area
  x86: kvmclock: register per-cpu kvmclock at earliest possible time

 arch/x86/kernel/kvmclock.c |   12 ++++++++++--
 arch/x86/kernel/smpboot.c  |    2 +-
 arch/x86/mm/pageattr.c     |    4 ++--
 3 files changed, 13 insertions(+), 5 deletions(-)

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ