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Re: [PATCH 4.1 11/86] iommu/amd: Fix BUG when faulting a PROT_NONE VMA

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On Fri, Nov 06, 2015 at 12:49:20PM -0800, Linus Torvalds wrote:
> I'm not arguing against the stable backport, because that is fine. But
> I think this should be fixed further.
> 
> Joerg?

Huh, you are right, I completly missed that. Basically the code needs to
do a lot of checks that the cpu page-fault handlers also do, including
the access-checks. Other checks are probably necessary too, I'll have
look at this. Thanks for pointing it out.


	Joerg

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[PATCH 4.1 00/86] 4.1.13-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 13/86] powerpc/rtas: Validate rtas.entry before calling enter_rtas() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 24/86] x86/setup: Extend low identity map to cover whole kernel range Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 28/86] drm/radeon/dpm: dont add pwm attributes if DPM is disabled Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 14/86] drm: fix mutex leak in drm_dp_get_mst_branch_device Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 02/86] iwlwifi: dvm: fix D3 firmware PN programming Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 18/86] KVM: arm: use GIC support unconditionally Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 21/86] ASoC: Add info callback for SX_TLV controls Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 12/86] iommu/amd: Dont clear DTE flags when modifying it Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 03/86] iwlwifi: fix firmware filename for 3160 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 17/86] [media] rtl28xxu: fix control message flaws Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 16/86] [media] si2168: Bounds check firmware Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 19/86] ALSA: hda - Fix inverted internal mic on Lenovo G50-80 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
  [PATCH 4.1 11/86] iommu/amd: Fix BUG when faulting a PROT_NONE VMA Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:30 +0100
    Re: [PATCH 4.1 11/86] iommu/amd: Fix BUG when faulting a PROT_NONE VMA Linus Torvalds <torvalds@linux-foundation.org> - 2015-11-06 21:50 +0100
      Re: [PATCH 4.1 11/86] iommu/amd: Fix BUG when faulting a PROT_NONE VMA Linus Torvalds <torvalds@linux-foundation.org> - 2015-11-06 22:00 +0100
      Re: [PATCH 4.1 11/86] iommu/amd: Fix BUG when faulting a PROT_NONE  VMA Joerg Roedel <jroedel@suse.de> - 2015-11-08 12:50 +0100
  Re: [PATCH 4.1 00/86] 4.1.13-stable review Guenter Roeck <linux@roeck-us.net> - 2015-11-07 02:50 +0100
  Re: [PATCH 4.1 00/86] 4.1.13-stable review Shuah Khan <shuahkh@osg.samsung.com> - 2015-11-07 04:00 +0100

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