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hardened_malloc
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435 Commits
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435 Commits (74eb614f1627f2e0c3b8ac946f1c0617517282ce)

Author SHA1 Message Date
Daniel Micay 829ace403f document free_sized API 2018-10-03 14:37:05 -04:00
Daniel Micay c3a580727a add MIT license 2018-10-03 13:18:51 -04:00
Daniel Micay cf449b3df4 add sized deallocation support 2018-09-19 13:05:12 -04:00
Daniel Micay 82314f4471 make get_size_info straightforward for zero size 2018-09-11 14:51:36 -04:00
Daniel Micay 7a404ddbf2 optimize size calculation for 16 byte spaced sizes 2018-09-11 14:46:44 -04:00
Daniel Micay 2d6ad18aa4 make function naming a bit more consistent 2018-09-11 14:18:13 -04:00
Daniel Micay 684291bf6a avoid overhead of init check for slab deallocation 2018-09-11 14:13:43 -04:00
Daniel Micay ef098fea06 simplify init function 2018-09-11 14:12:27 -04:00
Daniel Micay 433af6d4ba drop 128-bit keys from ChaCha implementation 2018-09-11 10:22:28 -04:00
Daniel Micay b52d9ca831 aggressive write-after-free check is implemented 2018-09-11 05:17:22 -04:00
Daniel Micay 61684925e8 fix overly naive slab allocation alignment support 2018-09-10 19:01:11 -04:00
Daniel Micay 9a1acce5eb optimize calloc when zero on free is disabled 2018-09-07 16:33:28 -04:00
Daniel Micay 8f921e30be add kernel feature wishlist 2018-09-07 06:33:41 -04:00
Daniel Micay 7ae7abedea mark more unlikely code paths 2018-09-07 02:53:15 -04:00
Daniel Micay 191f9667df add missing include 2018-09-07 02:10:37 -04:00
Daniel Micay 49af83a817 wrap mutex type to enable future optimization 2018-09-07 01:13:08 -04:00
Daniel Micay fc2473e7ee add configuration for canaries 2018-09-07 00:35:08 -04:00
Daniel Micay 96c538d90f add configuration for zero on free 2018-09-07 00:33:51 -04:00
Daniel Micay ba3a8b0058 add slot randomization to configuration header 2018-09-07 00:25:02 -04:00
Daniel Micay bed303a76f remove unnecessary else branch 2018-09-07 00:22:51 -04:00
Daniel Micay d398384b90 add header for configuration 2018-09-07 00:17:31 -04:00
Daniel Micay 99d68238d2 implement slab allocation write-after-free check 2018-09-07 00:00:32 -04:00
Daniel Micay 918f0d3302 improve write-after-free tests 2018-09-06 23:50:49 -04:00
Daniel Micay 3751b85e47 document minimum musl version for external use 2018-09-06 19:52:09 -04:00
Daniel Micay 684e63a878 handle pthread_atfork calling into malloc 
This results in compatibility with the malloc replacement support added
in musl 1.1.20.
 2018-09-06 19:48:00 -04:00
Daniel Micay 1be74ec40d add initial guard slabs implementation 2018-09-06 18:55:24 -04:00
Daniel Micay cc1e79fdba abstract metadata allocation to allow guard slabs 2018-09-06 18:45:41 -04:00
Daniel Micay d8e18e0011 aligned_alloc is now the same as BSD memalign 
The resolution to DR 460 (which is explicitly included in C17) removed
the requirement for the size to be a multiple of the alignment.
 2018-09-06 16:30:22 -04:00
Daniel Micay 0d3c2e1988 no need for a dedicated init rng 2018-09-06 16:02:25 -04:00
Daniel Micay 8624201f06 refresh canary value when allocating free slabs 2018-09-06 15:07:01 -04:00
Daniel Micay a875951e82 fix build with musl 2018-09-06 14:35:08 -04:00
Daniel Micay e891b40588 implement Android malloc_disable/malloc_enable API 2018-09-06 14:17:23 -04:00
Daniel Micay 3a532b17dc implement in-place shrinking for large allocations 2018-09-05 07:37:26 -04:00
Daniel Micay 645209dcbf remove unnecessary debugging code 2018-09-05 03:42:05 -04:00
Daniel Micay bf55fad6d0 document that slab canaries are implemented 2018-09-05 00:19:27 -04:00
Daniel Micay 9ddd53d56c implement initial slab allocation canaries 2018-09-04 09:29:35 -04:00
Daniel Micay 5017500a47 add simple overflow tests 2018-09-04 09:15:23 -04:00
Daniel Micay 1a7b8079d0 reuse is_init when possible 2018-09-02 19:58:57 -04:00
Daniel Micay 7733047c7b trigger early initialization in a conservative way 2018-09-02 19:52:12 -04:00
Daniel Micay 2ec65306dd expand documentation on supported environments 2018-09-02 06:05:37 -04:00
Daniel Micay 8bb686e697 add missing prefix defines 2018-09-02 05:24:25 -04:00
Daniel Micay 9c74a67068 malloc_get_state/malloc_set_state are obsolete too 2018-09-02 05:20:17 -04:00
Daniel Micay 7e088dc870 add stubs for Android extensions 2018-09-02 05:08:45 -04:00
Daniel Micay 2dd2471b4a enable more linker sanity checks 2018-09-02 02:30:24 -04:00
Daniel Micay 39e81bd486 using -lpthread for linking isn't necessary 2018-09-02 02:13:23 -04:00
Daniel Micay 89c624b755 mark page management error code paths as unlikely 2018-09-02 02:08:44 -04:00
Daniel Micay e4648192c0 split out code for managing page spans 2018-09-02 02:03:39 -04:00
Daniel Micay e93d039214 only use reserved memory for regions hash table 2018-09-01 10:23:06 -04:00
Daniel Micay c3a4829d77 remove unnecessary special case from realloc 2018-09-01 02:42:33 -04:00
Daniel Micay f441dfe2e3 align size class metadata to cacheline size 2018-08-31 23:10:26 -04:00