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Support for Intel's Linear Address Masking [LWN.net]

A 64-bit pointer can address a lot of memory far more than just about any
application could ever need. As a result, there are bits within that pointer that
are not really needed to address memory, and which might be put to other
needs. Storing a few bits of metadata within a pointer is a common enough
use case that multiple architectures are adding support for it at the
hardware level. Intel is no exception; support for its "Linear Address
Masking" (LAM) feature has been slowly making its way toward the mainline
kernel.
....

Kirill Shutemov , Dave Hansen , Jonathan Corbet , Alexander Potapenko ,

Bounded Flexible Arrays in C

How to modernize C arrays for greater memory safety: a case-study in refactoring the Linux kernel and a look to the future Kees Cook C i. ....

Nick Desaulniers , Qing Zhao , Gustavoar Silva , Ricardo Ribalda , Julien Voisin , Chris Palmer , Seth Jenkins , Kevin Chowski , Guenter Roeck , Steven Rostedt , Evan Benn , Allen Webb , Alexander Potapenko , Linux Userspace , Bill Wendling , Kara Olive ,