Git-Mirrors/hardened_malloc
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48 Commits 5 Branches 743 Tags 2.4 MiB
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Commit Graph

26 Commits

Author SHA1 Message Date
Daniel Micay
14ca7d7c3f randomize large allocation guard size 2018-08-26 04:46:12 -04:00
Daniel Micay
a13a45a17d hold regions_lock in alloc_aligned 2018-08-26 04:37:43 -04:00
Daniel Micay
2b7c9362bb consume fewer random bytes for slab randomization 2018-08-25 18:32:44 -04:00
Daniel Micay
c5d76179a5 improve interaction of slot rand with slot mask 2018-08-25 18:04:55 -04:00
Daniel Micay
173dd6e7a5 randomize slot selection for empty slabs too 2018-08-25 18:02:13 -04:00
Daniel Micay
c335c43dd7 simplify slab out-of-memory error handling 2018-08-25 16:41:07 -04:00
Daniel Micay
7bcfa3f08b tune slab metadata allocation 2018-08-25 15:46:22 -04:00
Daniel Micay
4777ee0c85 special case division for page size slabs 2018-08-25 15:21:50 -04:00
Daniel Micay
ec78add6ab define ffzl utility function 2018-08-25 03:14:07 -04:00
Daniel Micay
f08d4d31db randomize slab slot choice 2018-08-25 03:02:39 -04:00
Daniel Micay
965c3202b4 finish implementation of zero byte size class 2018-08-25 02:48:47 -04:00
Daniel Micay
f97a0ef8b1 use a more appropriate type for masked bitmaps 2018-08-25 01:09:15 -04:00
Daniel Micay
f3c8502509 add CSPRNGs for regions and slabs 2018-08-25 00:25:33 -04:00
Daniel Micay
805bdc6087 add an extra sanity check for unallocated metadata 2018-08-24 05:22:38 -04:00
Daniel Micay
2d168b0516 check for double free slightly earlier 2018-08-24 04:51:52 -04:00
Daniel Micay
97b693d862 stop treating guard size as a constant 2018-08-24 04:07:46 -04:00
Daniel Micay
83dabbd8fa fix handling of random bases for class regions 2018-08-24 03:52:01 -04:00
Daniel Micay
0d51459dc9 add a special memory protected 0 byte size class 2018-08-24 03:24:23 -04:00
Daniel Micay
7a86b67778 add unaligned free check for small allocations 2018-08-24 02:55:53 -04:00
Daniel Micay
2aee424b7b fix inconsistent whitespace 2018-08-24 02:09:20 -04:00
Daniel Micay
a874a61099 adjust slot count for 12288 byte size class 2018-08-23 18:00:13 -04:00
Daniel Micay
127f110126 adjust slot count for 10240 byte size class 2018-08-23 17:56:17 -04:00
Daniel Micay
c59c97c65b adjust slot count for 48 byte size class 2018-08-23 17:53:10 -04:00
Daniel Micay
56e4c7e042 adjust slot count for 224 byte size class 2018-08-23 17:42:51 -04:00
Daniel Micay
4aa0fab4f4 avoid deadlocks after forking threaded processes 2018-08-23 17:22:12 -04:00
Daniel Micay
70d61b6662 initial commit 2018-08-23 15:42:41 -04:00