jmb
/
hardened_malloc
mirror of https://github.com/GrapheneOS/hardened_malloc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

expand on metadata address space security

pull/50/head
Daniel Micay 2018-10-10 18:55:31 -04:00
parent 29fd86ab37
commit 2381d973b1
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
README.md
View File

@ -153,7 +153,8 @@ allocation and then unmapped on free.
size class regions interspersed with guard pages
* Zero size allocations are memory protected
* Protected allocator metadata
* Address space for metadata is never used for allocations and vice versa
* Address space for metadata is entirely reserved during initialization and
never reused for allocations or anything else
* [implementing stronger protection is in-progress]
* Extension for retrieving the size of allocations with fallback
to a sentinel for pointers not managed by the allocator