Git-Mirrors/hardened_malloc
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80 Commits

Author SHA1 Message Date
Daniel Micay
0f107cd2a3 only provide malloc_info stub for glibc 
This has a proper implementation in Bionic outside of the malloc
implementation via the extended mallinfo API.
 2019-04-06 22:01:12 -04:00
Daniel Micay
350d0e5fd2 add real mallinfo implementation for Android 
Android Q uses the mallinfo implementation in the ART GC:

c220f98180
1575267302
 2019-04-06 20:54:26 -04:00
Daniel Micay
df9650fe64 conditionally include threads.h 2019-03-26 01:28:27 -04:00
Daniel Micay
98deb9de52 relabel malloc read-only after init data 2019-03-25 20:34:10 -04:00
Daniel Micay
fc8f2c3b60 move pthread_atfork wrapper to util header 2019-03-25 17:16:52 -04:00
Daniel Micay
b5187a0aff only use __register_atfork hack for old glibc 2019-03-25 17:16:22 -04:00
Daniel Micay
c5e911419d add initial implementation of arenas 2019-03-25 14:59:50 -04:00
Daniel Micay
55769496dc move hash_page to pages.h 2019-03-25 14:54:22 -04:00
Daniel Micay
13de480bde rename quarantine bitmap field for clarity 2019-03-24 20:24:40 -04:00
Daniel Micay
3d142eb4c2 relabel large allocation guards when shrinking 2019-03-23 23:01:12 -04:00
Daniel Micay
64dfd23f7b relabel purged slabs 2019-03-23 22:59:59 -04:00
Daniel Micay
178ec6e3f9 relabel quarantined large allocation regions 2019-03-23 22:57:19 -04:00
Daniel Micay
6e67106882 label malloc slab region gaps 2019-03-23 22:54:56 -04:00
Daniel Micay
1d62075291 label allocate_aligned_pages mappings 2019-03-23 22:29:04 -04:00
Daniel Micay
45337ebe07 label allocate_pages mappings 2019-03-22 23:17:38 -04:00
Daniel Micay
65311a5df2 relabel region table mapping 2019-03-22 21:59:44 -04:00
Daniel Micay
4a000d96e2 pkey state is now preserved on fork for Linux 5.0+ 
This patch is going to be backported to stable kernels, so the check
could be expanded to allow recent enough stable kernel branches.
 2019-03-20 11:05:31 -04:00
Daniel Micay
c9df70d934 add support for labelling memory regions 2019-02-13 13:34:33 -05:00
Daniel Micay
2d7882ec0e remove redundant unseal / seal metadata 2019-01-08 17:01:56 -05:00
Daniel Micay
fa17f70a73 add more configuration sanity checks 2019-01-06 00:52:25 -05:00
Daniel Micay
57f115b33c scale slab quarantine based on size 2019-01-02 14:52:13 -05:00
Daniel Micay
ccc2a86501 rename quarantine size -> length for clarity 2019-01-02 14:17:02 -05:00
Daniel Micay
bc2cb5c828 fix builds with both random and queue quarantine 2019-01-02 13:23:49 -05:00
Daniel Micay
5d3b299209 support random quarantine sizes other than 0 or 16 2019-01-02 13:04:40 -05:00
Daniel Micay
4dc3385bc0 fix calloc for nmemb == 0 and !ZERO_ON_FREE 2018-12-09 10:59:21 -05:00
Daniel Micay
830a7d338d make class_region_size configurable 2018-12-05 09:38:13 -05:00
Daniel Micay
ced3b0e070 support Android malloc_usable_size 2018-12-05 07:59:35 -05:00
Daniel Micay
7917966eca avoid unnecessary GNU pointer arithmetic extension 2018-12-05 07:59:35 -05:00
Daniel Micay
7f781af929 explicitly include system malloc.h 2018-12-05 07:59:35 -05:00
Daniel Micay
79cf5cbeb4 disambiguate malloc.h 2018-12-05 07:59:35 -05:00