CVS commit: src/sys/arch/i386/i386

[YAMAMOTO Takashi <yamt%netbsd.org@localhost>]

Module Name:    src
Committed By:   yamt
Date:           Thu Mar 11 11:42:04 UTC 2004

Modified Files:
        src/sys/arch/i386/i386: trap.c

Log Message:
before resuming from failure during return to user mode,
- clear PSL_NT.  it can be set by userland because setting it
  isn't a privileged operation.
  (cf. DSA-336-1, CVE-2002-0429)
- set PSL_I.  otherwise, if SIGSEGV is ignored, we'll
  end up to infinite loop, generating the same traps, with
  interrupts disabled.


To generate a diff of this commit:
cvs rdiff -r1.198 -r1.199 src/sys/arch/i386/i386/trap.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.