[PATCH 1/3] powerpc/mm: Don't alias user region to other regions below PAGE_OFFSET · Paul Mackerras <hidden> · 2016-09-02
[PATCH 3/3] powerpc/mm: Speed up computation of base and actual page size for a HPTE · Paul Mackerras <hidden> · 2016-09-02
Re: [PATCH 3/3] powerpc/mm: Speed up computation of base and actual page size for a HPTE · Aneesh Kumar K.V <hidden> · 2016-09-04
Re: [PATCH 3/3] powerpc/mm: Speed up computation of base and actual page size for a HPTE · Aneesh Kumar K.V <hidden> · 2016-09-05
Re: [PATCH 3/3] powerpc/mm: Speed up computation of base and actual page size for a HPTE · Paul Mackerras <hidden> · 2016-09-07
[PATCH v2 3/3] powerpc/mm: Speed up computation of base and actual page size for a HPTE · Paul Mackerras <hidden> · 2016-09-07
Re: [PATCH v2 3/3] powerpc/mm: Speed up computation of base and actual page size for a HPTE · Paul Mackerras <hidden> · 2016-09-08
Re: [PATCH v2 3/3] powerpc/mm: Speed up computation of base and actual page size for a HPTE · Paolo Bonzini <pbonzini@redhat.com> · 2016-09-08
Re: [PATCH v2 3/3] powerpc/mm: Speed up computation of base and actual page size for a HPTE · Paul Mackerras <hidden> · 2016-09-12
Re: [PATCH v2 3/3] powerpc/mm: Speed up computation of base and actual page size for a HPTE · Michael Ellerman <hidden> · 2016-09-12
Re: [PATCH v2 3/3] powerpc/mm: Speed up computation of base and actual page size for a HPTE · Paolo Bonzini <pbonzini@redhat.com> · 2016-09-12
[PATCH 2/3] powerpc/mm: Preserve CFAR value on SLB miss caused by access to bogus address · Paul Mackerras <hidden> · 2016-09-02
Re: [PATCH 2/3] powerpc/mm: Preserve CFAR value on SLB miss caused by access to bogus address · Aneesh Kumar K.V <hidden> · 2016-09-04
Re: [PATCH 2/3] powerpc/mm: Preserve CFAR value on SLB miss caused by access to bogus address · Paul Mackerras <hidden> · 2016-09-07
Re: [2/3] powerpc/mm: Preserve CFAR value on SLB miss caused by access to bogus address · Michael Ellerman <hidden> · 2016-09-13
Re: [PATCH 1/3] powerpc/mm: Don't alias user region to other regions below PAGE_OFFSET · Aneesh Kumar K.V <hidden> · 2016-09-02
Re: [PATCH 1/3] powerpc/mm: Don't alias user region to other regions below PAGE_OFFSET · Paul Mackerras <hidden> · 2016-09-03
Re: [PATCH 1/3] powerpc/mm: Don't alias user region to other regions below PAGE_OFFSET · Aneesh Kumar K.V <hidden> · 2016-09-04
Re: [1/3] powerpc/mm: Don't alias user region to other regions below PAGE_OFFSET · Michael Ellerman <hidden> · 2016-09-08

Re: [PATCH 1/3] powerpc/mm: Don't alias user region to other regions below PAGE_OFFSET

From: Paul Mackerras <hidden>
Date: 2016-09-03 09:54:17

On Fri, Sep 02, 2016 at 05:52:16PM +0530, Aneesh Kumar K.V wrote:

Hi Paul,

Really nice catch. Was this found by code analysis or do we have any
reported issue around this ?

I found it by code analysis.

I haven't been able to find any really bad consequence, beyond leaking
some information about kernel memory.  Can you find any worse
consequence?

Paul.

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