[src/netbsd-9]: src/sys/miscfs/kernfs Pull up following revision(s) (requeste...

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

details:   https://anonhg.NetBSD.org/src/rev/166150d63748
branches:  netbsd-9
changeset: 984390:166150d63748
user:      martin <martin%NetBSD.org@localhost>
date:      Tue Jul 06 03:45:11 2021 +0000

description:
Pull up following revision(s) (requested by dholland in ticket #1318):

        sys/miscfs/kernfs/kernfs_vnops.c: revision 1.169
        sys/miscfs/kernfs/kernfs_vnops.c: revision 1.170

Add missing VOP_KQFILTER to kernfs.

Not sure if lack of it can be used for local DoS or not, but best to
fix.

 -

Fix perms on /kern/{r,}rootdev.

diffstat:

 sys/miscfs/kernfs/kernfs_vnops.c |  10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diffs (45 lines):

diff -r c4dcad01bc22 -r 166150d63748 sys/miscfs/kernfs/kernfs_vnops.c
--- a/sys/miscfs/kernfs/kernfs_vnops.c  Sat Jul 03 10:20:00 2021 +0000
+++ b/sys/miscfs/kernfs/kernfs_vnops.c  Tue Jul 06 03:45:11 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kernfs_vnops.c,v 1.160.4.2 2020/02/12 19:59:22 martin Exp $    */
+/*     $NetBSD: kernfs_vnops.c,v 1.160.4.3 2021/07/06 03:45:11 martin Exp $    */
 
 /*
  * Copyright (c) 1992, 1993
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kernfs_vnops.c,v 1.160.4.2 2020/02/12 19:59:22 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kernfs_vnops.c,v 1.160.4.3 2021/07/06 03:45:11 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -91,8 +91,8 @@
 #if 0
      { DT_DIR, N("root"),      0,            KFSnull,        VDIR, DIR_MODE   },
 #endif
-     { DT_BLK, N("rootdev"),   &rootdev,     KFSdevice,      VBLK, READ_MODE  },
-     { DT_CHR, N("rrootdev"),  &rrootdev,    KFSdevice,      VCHR, READ_MODE  },
+     { DT_BLK, N("rootdev"),   &rootdev,     KFSdevice,      VBLK, UREAD_MODE  },
+     { DT_CHR, N("rrootdev"),  &rrootdev,    KFSdevice,      VCHR, UREAD_MODE  },
      { DT_REG, N("time"),      0,            KFStime,        VREG, READ_MODE  },
                        /* XXXUNCONST */
      { DT_REG, N("version"),   __UNCONST(version),
@@ -197,6 +197,7 @@
        { &vop_fcntl_desc, kernfs_fcntl },              /* fcntl */
        { &vop_ioctl_desc, kernfs_ioctl },              /* ioctl */
        { &vop_poll_desc, kernfs_poll },                /* poll */
+       { &vop_kqfilter_desc, genfs_kqfilter },         /* kqfilter */
        { &vop_revoke_desc, kernfs_revoke },            /* revoke */
        { &vop_fsync_desc, kernfs_fsync },              /* fsync */
        { &vop_seek_desc, kernfs_seek },                /* seek */
@@ -245,6 +246,7 @@
        { &vop_fcntl_desc, spec_fcntl },                /* fcntl */
        { &vop_ioctl_desc, spec_ioctl },                /* ioctl */
        { &vop_poll_desc, spec_poll },                  /* poll */
+       { &vop_kqfilter_desc, genfs_kqfilter },         /* kqfilter */
        { &vop_revoke_desc, spec_revoke },              /* revoke */
        { &vop_fsync_desc, spec_fsync },                /* fsync */
        { &vop_seek_desc, spec_seek },                  /* seek */