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3 Commits

Author SHA1 Message Date
Alex Lapenkou
62f9c54d2a San: Rename 'guard' to 'san' 
This prepares the foundation for more sanitizer-related work in the
future.
 2021-12-15 10:39:17 -08:00
Qi Wang
deb8e62a83 Implement guard pages. 
Adding guarded extents, which are regular extents surrounded by guard pages
(mprotected).  To reduce syscalls, small guarded extents are cached as a
separate eset in ecache, and decay through the dirty / muzzy / retained pipeline
as usual.
 2021-09-26 16:30:15 -07:00
Qi Wang
3de19ba401 Eagerly detect double free and sized dealloc bugs for large sizes. 2020-10-15 10:03:16 -07:00