cvs commit: src/sys/alpha/alpha vm_machdep.c src/sys/amd64/amd64 sys_machdep.c vm_machdep.c src/sys/arm/arm vm_machdep.c src/sys/i386/i386 vm_machdep.c src/sys/ia64/ia64 vm_machdep.c src/sys/kern kern_thr.c src/sys/powerpc/powerpc vm_machdep.c ...

[David Xu]

davidxu     2005-07-10 23:31:11 UTC

  FreeBSD src repository

  Modified files:
    sys/alpha/alpha      vm_machdep.c 
    sys/amd64/amd64      sys_machdep.c vm_machdep.c 
    sys/arm/arm          vm_machdep.c 
    sys/i386/i386        vm_machdep.c 
    sys/ia64/ia64        vm_machdep.c 
    sys/kern             kern_thr.c 
    sys/powerpc/powerpc  vm_machdep.c 
    sys/sparc64/sparc64  vm_machdep.c 
    sys/sys              proc.h 
  Log:
  Validate if the value written into {FS,GS}.base is a canonical
  address, writting non-canonical address can cause kernel a panic,
  by restricting base values to 0..VM_MAXUSER_ADDRESS, ensuring
  only canonical values get written to the registers.
  
  Reviewed by: peter, Josepha Koshy < joseph.koshy at gmail dot com >
  Approved by: re (scottl)
  
  Revision  Changes    Path
  1.110     +2 -1      src/sys/alpha/alpha/vm_machdep.c
  1.90      +39 -12    src/sys/amd64/amd64/sys_machdep.c
  1.248     +5 -1      src/sys/amd64/amd64/vm_machdep.c
  1.17      +2 -1      src/sys/arm/arm/vm_machdep.c
  1.259     +2 -1      src/sys/i386/i386/vm_machdep.c
  1.90      +2 -1      src/sys/ia64/ia64/vm_machdep.c
  1.34      +6 -1      src/sys/kern/kern_thr.c
  1.110     +2 -1      src/sys/powerpc/powerpc/vm_machdep.c
  1.74      +2 -1      src/sys/sparc64/sparc64/vm_machdep.c
  1.432     +1 -1      src/sys/sys/proc.h