Daniel Micay
eb7ced7781
implement in-place growth of large allocations
2018-10-06 13:24:22 -04:00
Daniel Micay
3a936295f8
Makefile: split out shared compiler flags
2018-10-05 02:45:40 -04:00
Daniel Micay
4716ff5b92
explicitly export C++ allocator overrides
...
This doesn't make any difference for GCC, but these aren't replaced
outside of the library with Clang without explicitly exporting them.
2018-10-05 02:23:49 -04:00
Daniel Micay
e6e9ac1fc9
support replacing C++ new/delete implementation
...
This adds support for sanity checks based on sized deallocation and will
reduce the overhead of calls through the C++ allocator.
2018-10-05 02:11:29 -04:00
Daniel Micay
3dc49f8f73
slightly improve sized deallocation error messages
2018-10-05 01:06:12 -04:00
Daniel Micay
dcd969ae04
use a consistent style for fixed-size int types
...
The stdint.h types don't cover 128-bit integers and the underscore makes
them ill suited to usage in function suffixes. Instead, use the common
naming style in the Linux kernel and elsewhere including the ChaCha8
implementation included here.
2018-10-04 15:17:11 -04:00
Daniel Micay
92a33182fb
port chacha.h to the code style used elsewhere
2018-10-04 04:13:28 -04:00
Daniel Micay
08a633b244
fix another typo in the README
2018-10-04 04:12:21 -04:00
Daniel Micay
ef32a4b7ea
add -pipe to CFLAGS
2018-10-04 04:03:48 -04:00
Daniel Micay
e99191d5d4
document tuning vm.max_map_count
2018-10-04 03:44:19 -04:00
Daniel Micay
d12cf324dd
add documentation on testing
2018-10-04 03:27:30 -04:00
Daniel Micay
2a31c7291b
add basic documentation on configuration
2018-10-04 03:15:55 -04:00
Daniel Micay
642eed81c0
allow using larger guards on large allocations
2018-10-04 02:58:24 -04:00
Daniel Micay
9b7691a2a7
take canaries into account for the offset test
2018-10-04 02:52:20 -04:00
Daniel Micay
71d52d981e
fix output of size class offset test
2018-10-04 02:41:01 -04:00
Daniel Micay
15e5e2d0ac
fix typo in README
2018-10-03 17:23:20 -04:00
Daniel Micay
5811bd184c
avoid unnecessary preprocessor use for canary mask
2018-10-03 17:17:20 -04:00
Daniel Micay
93fcc6a978
add simple string overflow test
2018-10-03 17:15:38 -04:00
Daniel Micay
b24569b6ca
zero leading byte of canaries
2018-10-03 17:09:57 -04:00
Daniel Micay
1fbf0e27f5
make error reporting more robust
2018-10-03 16:58:49 -04:00
Daniel Micay
6dfe33b4f1
add prefix to reported errors
2018-10-03 16:22:28 -04:00
Daniel Micay
6372fee410
use consistent macro naming convention
2018-10-03 16:00:37 -04:00
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
