improved dirty_pagetable and mmaped_files

cyclic now uses De Bruijn sequence and added find off

added applicable challenge

added pbuf_realloc and kbreak helper

added jit spraying

added mmaped_files.c

Merge pull request #2 from gfelber/6.12.27

improved helpful links

migrated to linux6.12.27

added entrybleed

moved to memfd_create

improved dirty cred

added proc kmod

added a bunch of linux6.10.10 PoCs

added disclaimer