647 commits

This branch

This branch

All branches

Author	SHA1	Message	Date
Daniel Micay	2d892e58ad	per-slab canary values are good enough for now	2018-11-05 18:05:56 -05:00
Daniel Micay	3a488c9a27	add initial slab allocation quarantine	2018-11-05 16:43:08 -05:00
Daniel Micay	fea335282a	use slab_region_start for init checks	2018-11-05 03:56:55 -05:00
Daniel Micay	a8112fc5c3	use -O3 instead of -O2 primarily for more inlining	2018-11-04 19:45:04 -05:00
Daniel Micay	ca465f6b3e	clarify scope of sized dealloc mismatch detection	2018-11-04 18:52:01 -05:00
Daniel Micay	505b9d2e76	add missing -Wl,--as-needed (removed by mistake)	2018-11-04 14:32:03 -05:00
Daniel Micay	943a81fbeb	use smaller integers for random cache state	2018-11-04 14:24:21 -05:00
Daniel Micay	1fed72a9c3	slab internal fragmentation is always the same	2018-11-04 03:59:54 -05:00
Daniel Micay	c12d6795de	expand a bit on future config for slab cache size	2018-11-03 04:47:45 -04:00
Daniel Micay	d5b773b2bc	clarify documentation about the 0 byte size class	2018-11-03 04:43:47 -04:00
Daniel Micay	f949698c7a	note that MPK-based hardening is off by default	2018-11-03 03:15:42 -04:00
Daniel Micay	f2a7ccde75	add basic overview of part of the approach to MTE	2018-11-03 03:09:03 -04:00
Daniel Micay	1da51ddde1	migrate bool configuration options out of config.h	2018-11-02 21:35:09 -04:00
Daniel Micay	4ac2688d76	add support for slab metadata count field	2018-11-01 04:49:27 -04:00
Daniel Micay	834ce67884	make canary generation consistent	2018-10-30 19:23:40 -04:00
Daniel Micay	c29a183687	reduce overhead of slot randomization	2018-10-30 18:58:04 -04:00
Daniel Micay	ceffb1a0ec	simplify get_free_slot loops	2018-10-30 16:37:23 -04:00
Daniel Micay	a02f4ebb19	add missing deallocate_small thread_seal_metadata	2018-10-28 23:23:54 -04:00
Daniel Micay	5bee717134	use -march=native by default with a disable toggle	2018-10-28 22:49:15 -04:00
Daniel Micay	00915521a3	check canary before zeroing as an optimization	2018-10-28 21:07:35 -04:00
Daniel Micay	6f30211da8	some clarifications for the README	2018-10-28 20:28:10 -04:00
Daniel Micay	b99ab8a47a	no need to artificially limit sealing to x86_64	2018-10-24 03:09:04 -04:00
Daniel Micay	e985afe0e1	document relatively high performance cost of MPK	2018-10-23 19:38:48 -04:00
Daniel Micay	4cd61e281d	add workaround for bug in Linux MPK implementation	2018-10-23 19:08:33 -04:00
Daniel Micay	299bd6d414	add missing thread unseal / seal for atfork hooks	2018-10-23 16:28:54 -04:00
Daniel Micay	9d1567ce16	make safe_flag check compatible with POSIX sh	2018-10-23 15:55:45 -04:00
Daniel Micay	59def67979	add inlined check for -1 with pkey_set	2018-10-23 08:00:34 -04:00
Daniel Micay	05ac717cf2	work around -Wcast-align=strict error with old GCC	2018-10-23 07:23:07 -04:00
Daniel Micay	0b963078d5	guard metadata with Memory Protection Keys (MPK)	2018-10-23 01:11:31 -04:00
Daniel Micay	ac8c68de53	enable pointer cast warnings	2018-10-21 15:50:26 -04:00
Daniel Micay	9a43302868	add enforce_init call to other realloc code path	2018-10-20 02:27:06 -04:00
Daniel Micay	6a408ad017	add init calls to malloc_enable/malloc_disable	2018-10-19 21:46:36 -04:00
Daniel Micay	173ed53539	use consistent code style in chacha.c	2018-10-19 17:09:41 -04:00
Daniel Micay	1d2c10f5bb	tweak canary awareness in offset test	2018-10-19 16:19:29 -04:00
Daniel Micay	64b655f062	set scope of planned metadata protection	2018-10-18 20:35:25 -04:00
Daniel Micay	e37b36c9dd	update configuration documentation again	2018-10-18 20:18:55 -04:00
Daniel Micay	f0a6f551eb	tweak code style	2018-10-18 19:35:21 -04:00
Daniel Micay	cf053e74d1	metadata region unification is completed	2018-10-18 16:10:49 -04:00
Daniel Micay	1e03b004f5	move slab_info to main metadata region	2018-10-18 16:01:04 -04:00
Daniel Micay	3f1962dd2b	use min macro for realloc copy size	2018-10-18 15:25:14 -04:00
Daniel Micay	fe30f6c2ea	delay allocating slab metadata from reservation	2018-10-18 15:20:42 -04:00
Daniel Micay	74139112d0	explain the purpose of CONFIG_CXX_ALLOCATOR	2018-10-18 14:57:33 -04:00
Daniel Micay	64e9f6797a	use offsetof for allocator_state memory protection	2018-10-16 15:52:41 -04:00
Daniel Micay	67ada4d309	document padding for allocator state	2018-10-15 19:10:36 -04:00
Daniel Micay	da8e9aa1d8	document allocator state region	2018-10-15 15:44:31 -04:00
Daniel Micay	1c9e0d88a5	use the initial region table slots again	2018-10-15 15:18:45 -04:00
Daniel Micay	da0df69d22	move region hash tables into main state region	2018-10-15 15:07:59 -04:00
Daniel Micay	1e5dec97e0	move slab allocator state into main state region	2018-10-15 14:58:22 -04:00
Daniel Micay	e8eca2d430	explain the production-oriented design rationale	2018-10-15 04:07:20 -04:00
Daniel Micay	fde9fc2ece	protect region allocator state with random guards	2018-10-14 22:41:17 -04:00