[src/netbsd-1-4]: src/sys/miscfs/procfs Pull up revision 1.88 (via patch, req...

[he <he%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4c32e5b4d95f
branches:  netbsd-1-4
changeset: 471324:4c32e5b4d95f
user:      he <he%NetBSD.org@localhost>
date:      Mon Jan 14 15:20:58 2002 +0000

description:
Pull up revision 1.88 (via patch, requested by he):
  Fix a ptrace/execve race condition which could be used to modify
  the child process' image during execve.  This would be a security
  issue due to setuid programs.

diffstat:

 sys/miscfs/procfs/procfs_vnops.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 0cdfff9d17d8 -r 4c32e5b4d95f sys/miscfs/procfs/procfs_vnops.c
--- a/sys/miscfs/procfs/procfs_vnops.c  Mon Jan 14 15:20:38 2002 +0000
+++ b/sys/miscfs/procfs/procfs_vnops.c  Mon Jan 14 15:20:58 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: procfs_vnops.c,v 1.61.2.1 1999/08/28 23:28:16 he Exp $ */
+/*     $NetBSD: procfs_vnops.c,v 1.61.2.2 2002/01/14 15:20:58 he Exp $ */
 
 /*
  * Copyright (c) 1993 Jan-Simon Pendry
@@ -233,7 +233,7 @@
                        return (EBUSY);
 
                if ((error = procfs_checkioperm(p1, p2)) != 0)
-                       return (EPERM);
+                       return (error);
 
                if (ap->a_mode & FWRITE)
                        pfs->pfs_flags = ap->a_mode & (FWRITE|O_EXCL);