Daniel Micay
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11c717a7b9
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update progress on randomization
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2018-11-05 18:06:54 -05:00 |
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Daniel Micay
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2d892e58ad
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per-slab canary values are good enough for now
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2018-11-05 18:05:56 -05:00 |
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Daniel Micay
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3a488c9a27
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add initial slab allocation quarantine
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2018-11-05 16:43:08 -05:00 |
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Daniel Micay
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fea335282a
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use slab_region_start for init checks
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2018-11-05 03:56:55 -05:00 |
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Daniel Micay
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a8112fc5c3
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use -O3 instead of -O2 primarily for more inlining
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2018-11-04 19:45:04 -05:00 |
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Daniel Micay
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ca465f6b3e
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clarify scope of sized dealloc mismatch detection
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2018-11-04 18:52:01 -05:00 |
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Daniel Micay
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505b9d2e76
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add missing -Wl,--as-needed (removed by mistake)
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2018-11-04 14:32:03 -05:00 |
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Daniel Micay
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943a81fbeb
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use smaller integers for random cache state
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2018-11-04 14:24:21 -05:00 |
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Daniel Micay
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1fed72a9c3
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slab internal fragmentation is always the same
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2018-11-04 03:59:54 -05:00 |
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Daniel Micay
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c12d6795de
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expand a bit on future config for slab cache size
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2018-11-03 04:47:45 -04:00 |
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Daniel Micay
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d5b773b2bc
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clarify documentation about the 0 byte size class
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2018-11-03 04:43:47 -04:00 |
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Daniel Micay
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f949698c7a
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note that MPK-based hardening is off by default
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2018-11-03 03:15:42 -04:00 |
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Daniel Micay
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f2a7ccde75
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add basic overview of part of the approach to MTE
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2018-11-03 03:09:03 -04:00 |
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Daniel Micay
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1da51ddde1
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migrate bool configuration options out of config.h
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2018-11-02 21:35:09 -04:00 |
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Daniel Micay
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4ac2688d76
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add support for slab metadata count field
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2018-11-01 04:49:27 -04:00 |
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Daniel Micay
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834ce67884
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make canary generation consistent
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2018-10-30 19:23:40 -04:00 |
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Daniel Micay
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c29a183687
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reduce overhead of slot randomization
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2018-10-30 18:58:04 -04:00 |
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Daniel Micay
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ceffb1a0ec
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simplify get_free_slot loops
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2018-10-30 16:37:23 -04:00 |
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Daniel Micay
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a02f4ebb19
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add missing deallocate_small thread_seal_metadata
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2018-10-28 23:23:54 -04:00 |
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Daniel Micay
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5bee717134
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use -march=native by default with a disable toggle
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2018-10-28 22:49:15 -04:00 |
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Daniel Micay
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00915521a3
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check canary before zeroing as an optimization
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2018-10-28 21:07:35 -04:00 |
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Daniel Micay
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6f30211da8
|
some clarifications for the README
|
2018-10-28 20:28:10 -04:00 |
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Daniel Micay
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b99ab8a47a
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no need to artificially limit sealing to x86_64
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2018-10-24 03:09:04 -04:00 |
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Daniel Micay
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e985afe0e1
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document relatively high performance cost of MPK
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2018-10-23 19:38:48 -04:00 |
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Daniel Micay
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4cd61e281d
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add workaround for bug in Linux MPK implementation
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2018-10-23 19:08:33 -04:00 |
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Daniel Micay
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299bd6d414
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add missing thread unseal / seal for atfork hooks
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2018-10-23 16:28:54 -04:00 |
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Daniel Micay
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9d1567ce16
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make safe_flag check compatible with POSIX sh
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2018-10-23 15:55:45 -04:00 |
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Daniel Micay
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59def67979
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add inlined check for -1 with pkey_set
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2018-10-23 08:00:34 -04:00 |
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Daniel Micay
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05ac717cf2
|
work around -Wcast-align=strict error with old GCC
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2018-10-23 07:23:07 -04:00 |
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Daniel Micay
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0b963078d5
|
guard metadata with Memory Protection Keys (MPK)
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2018-10-23 01:11:31 -04:00 |
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Daniel Micay
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ac8c68de53
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enable pointer cast warnings
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2018-10-21 15:50:26 -04:00 |
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Daniel Micay
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9a43302868
|
add enforce_init call to other realloc code path
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2018-10-20 02:27:06 -04:00 |
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Daniel Micay
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6a408ad017
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add init calls to malloc_enable/malloc_disable
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2018-10-19 21:46:36 -04:00 |
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Daniel Micay
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173ed53539
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use consistent code style in chacha.c
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2018-10-19 17:09:41 -04:00 |
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Daniel Micay
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1d2c10f5bb
|
tweak canary awareness in offset test
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2018-10-19 16:19:29 -04:00 |
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Daniel Micay
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64b655f062
|
set scope of planned metadata protection
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2018-10-18 20:35:25 -04:00 |
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Daniel Micay
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e37b36c9dd
|
update configuration documentation again
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2018-10-18 20:18:55 -04:00 |
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Daniel Micay
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f0a6f551eb
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tweak code style
|
2018-10-18 19:35:21 -04:00 |
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Daniel Micay
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cf053e74d1
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metadata region unification is completed
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2018-10-18 16:10:49 -04:00 |
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Daniel Micay
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1e03b004f5
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move slab_info to main metadata region
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2018-10-18 16:01:04 -04:00 |
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Daniel Micay
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3f1962dd2b
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use min macro for realloc copy size
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2018-10-18 15:25:14 -04:00 |
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Daniel Micay
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fe30f6c2ea
|
delay allocating slab metadata from reservation
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2018-10-18 15:20:42 -04:00 |
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Daniel Micay
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74139112d0
|
explain the purpose of CONFIG_CXX_ALLOCATOR
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2018-10-18 14:57:33 -04:00 |
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Daniel Micay
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64e9f6797a
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use offsetof for allocator_state memory protection
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2018-10-16 15:52:41 -04:00 |
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Daniel Micay
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67ada4d309
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document padding for allocator state
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2018-10-15 19:10:36 -04:00 |
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Daniel Micay
|
da8e9aa1d8
|
document allocator state region
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2018-10-15 15:44:31 -04:00 |
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Daniel Micay
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1c9e0d88a5
|
use the initial region table slots again
|
2018-10-15 15:18:45 -04:00 |
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Daniel Micay
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da0df69d22
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move region hash tables into main state region
|
2018-10-15 15:07:59 -04:00 |
|
Daniel Micay
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1e5dec97e0
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move slab allocator state into main state region
|
2018-10-15 14:58:22 -04:00 |
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Daniel Micay
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e8eca2d430
|
explain the production-oriented design rationale
|
2018-10-15 04:07:20 -04:00 |
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