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Groups > linux.kernel > #1477953
| From | Anshuman Khandual <khandual@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist information |
| Date | 2016-09-07 06:10 +0200 |
| Message-ID | <seClr-39J-3@gated-at.bofh.it> (permalink) |
| References | <sehh0-64g-23@gated-at.bofh.it> <sek5c-7Zs-13@gated-at.bofh.it> <sevjY-6Pj-39@gated-at.bofh.it> <seBpn-2Ay-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 09/07/2016 08:38 AM, Kees Cook wrote: > On Tue, Sep 6, 2016 at 1:36 PM, Dave Hansen <dave.hansen@intel.com> wrote: >> On 09/06/2016 01:31 AM, Anshuman Khandual wrote: >>> [NODE (0)] >>> ZONELIST_FALLBACK >>> (0) (node 0) (zone DMA c00000000140c000) >>> (1) (node 1) (zone DMA c000000100000000) >>> (2) (node 2) (zone DMA c000000200000000) >>> (3) (node 3) (zone DMA c000000300000000) >>> ZONELIST_NOFALLBACK >>> (0) (node 0) (zone DMA c00000000140c000) >> >> Don't we have some prohibition on dumping out kernel addresses like this >> so that attackers can't trivially defeat kernel layout randomization? > > Anything printing memory addresses should be using %pK (not %lx as done here). Learned about the significance of %pK coupled with kptr_restrict interface. Will change this. Thanks for pointing out.
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[PATCH V2 1/2] mm: Export definition of 'zone_names' array through mmzone.h Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-06 07:40 +0200
[PATCH V2 2/2] mm: Add sysfs interface to dump each node's zonelist information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-06 07:40 +0200
Re: [PATCH V2 2/2] mm: Add sysfs interface to dump each node's zonelist information kbuild test robot <lkp@intel.com> - 2016-09-06 08:20 +0200
Re: [PATCH V2 2/2] mm: Add sysfs interface to dump each node's zonelist information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-06 08:50 +0200
[PATCH V3] mm: Add sysfs interface to dump each node's zonelist information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-06 10:40 +0200
Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist information kbuild test robot <lkp@intel.com> - 2016-09-06 11:10 +0200
Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-07 14:40 +0200
Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist information Dave Hansen <dave.hansen@intel.com> - 2016-09-06 22:40 +0200
Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist information Kees Cook <keescook@chromium.org> - 2016-09-07 05:10 +0200
Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-07 06:10 +0200
[PATCH V4] mm: Add sysfs interface to dump each node's zonelist information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-08 04:50 +0200
Re: [PATCH V4] mm: Add sysfs interface to dump each node's zonelist information kbuild test robot <lkp@intel.com> - 2016-09-08 09:50 +0200
Re: [PATCH V4] mm: Add sysfs interface to dump each node's zonelist information Dave Hansen <dave.hansen@intel.com> - 2016-09-08 22:30 +0200
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