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Groups > linux.kernel > #1683319
| From | Christoph Lameter <cl@linux.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3] mm: Add SLUB free list pointer obfuscation |
| Date | 2017-07-07 19:10 +0200 |
| Message-ID | <u0EVs-71k-19@gated-at.bofh.it> (permalink) |
| References | (3 earlier) <u0hm9-7mU-13@gated-at.bofh.it> <u0jei-gY-21@gated-at.bofh.it> <u0kal-RF-7@gated-at.bofh.it> <u0BXA-4Oh-23@gated-at.bofh.it> <u0ELM-6Is-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, 7 Jul 2017, Kees Cook wrote: > If we also added a >0 offset, that would make things even less > deterministic. Though I wonder if it would make the performance impact > higher. The XOR patch right now is very light. There would be barely any performance impact if you keep the offset within a cacheline since most objects start on a cacheline boundary. The processor has to fetch the cacheline anyways.
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[PATCH v3] mm: Add SLUB free list pointer obfuscation Kees Cook <keescook@chromium.org> - 2017-07-06 02:30 +0200
Re: [PATCH v3] mm: Add SLUB free list pointer obfuscation Christoph Lameter <cl@linux.com> - 2017-07-06 15:50 +0200
Re: [PATCH v3] mm: Add SLUB free list pointer obfuscation Kees Cook <keescook@chromium.org> - 2017-07-06 17:50 +0200
Re: [PATCH v3] mm: Add SLUB free list pointer obfuscation Christoph Lameter <cl@linux.com> - 2017-07-06 18:00 +0200
Re: [kernel-hardening] Re: [PATCH v3] mm: Add SLUB free list pointer obfuscation Daniel Micay <danielmicay@gmail.com> - 2017-07-06 18:20 +0200
Re: [PATCH v3] mm: Add SLUB free list pointer obfuscation Rik van Riel <riel@redhat.com> - 2017-07-06 20:00 +0200
Re: [PATCH v3] mm: Add SLUB free list pointer obfuscation Kees Cook <keescook@chromium.org> - 2017-07-06 21:00 +0200
Re: [PATCH v3] mm: Add SLUB free list pointer obfuscation Christoph Lameter <cl@linux.com> - 2017-07-07 16:00 +0200
Re: [PATCH v3] mm: Add SLUB free list pointer obfuscation Kees Cook <keescook@chromium.org> - 2017-07-07 19:00 +0200
Re: [PATCH v3] mm: Add SLUB free list pointer obfuscation Christoph Lameter <cl@linux.com> - 2017-07-07 19:10 +0200
Re: [PATCH v3] mm: Add SLUB free list pointer obfuscation Kees Cook <keescook@chromium.org> - 2017-07-07 20:50 +0200
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