cvs commit: src/sys/amd64/amd64 trap.c src/sys/i386/i386 trap.c

[John Baldwin]

jhb         2007-07-26 15:32:55 UTC

  FreeBSD src repository

  Modified files:
    sys/amd64/amd64      trap.c 
    sys/i386/i386        trap.c 
  Log:
  If the trap number stored in the trapframe is corrupted into a negative
  value, then we would use a negative index into the trap_msg[] array
  resulting in a nested page fault.  Make the 'type' variable holding the
  trap number unsigned to avoid this.
  
  MFC after:      2 weeks
  Approved by:    re (rwatson)
  
  Revision  Changes    Path
  1.319     +4 -2      src/sys/amd64/amd64/trap.c
  1.307     +4 -2      src/sys/i386/i386/trap.c