cvs commit: src/sys/alpha/alpha pmap.c src/sys/i386/i386 pmap.c src/sys/vm pmap.h vm_map.c

[Ken Smith]

kensmith    2004/04/25 09:03:42 PDT

  FreeBSD src repository

  Modified files:        (Branch: RELENG_4)
    sys/alpha/alpha      pmap.c 
    sys/i386/i386        pmap.c 
    sys/vm               pmap.h vm_map.c 
  Log:
  This is an MFC of work done by Alan Cox.  It addresses a security issue
  with mmap(2) where pages marked as PROT_NONE may become readable under
  certain circumstances.
  
  The commits to -current being MFC-ed with this are:
  
          Revision  Changes    Path
          1.333     +5 -4      src/sys/vm/vm_map.c
          1.109     +1 -1      src/sys/vm/vm_map.h
  
  Which were a result of a PR:
  
          Submitted by:   "Mark W. Krentel" <krentel at dreamscape.com>
          PR:             kern/64573
  
  Reviewed by:    alc
  
  Revision    Changes    Path
  1.35.2.10   +2 -2      src/sys/alpha/alpha/pmap.c
  1.250.2.25  +3 -2      src/sys/i386/i386/pmap.c
  1.33.2.6    +2 -2      src/sys/vm/pmap.h
  1.187.2.25  +3 -2      src/sys/vm/vm_map.c