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authormdodd <mdodd@FreeBSD.org>2003-04-07 14:21:14 +0000
committermdodd <mdodd@FreeBSD.org>2003-04-07 14:21:14 +0000
commit0dc33fa1034609689d0515827253347bc5e1a1a1 (patch)
tree69bc6a38582e2a71f8f0c118d219c616d1714651 /sbin/umount
parenta014051b02c44268ed2e6b66c49d11b06c222557 (diff)
downloadFreeBSD-src-0dc33fa1034609689d0515827253347bc5e1a1a1.zip
FreeBSD-src-0dc33fa1034609689d0515827253347bc5e1a1a1.tar.gz
Clarify the behavior of PATH_FSTAB with regard to 'tainted' execution.
Requested by: ru
Diffstat (limited to 'sbin/umount')
-rw-r--r--sbin/umount/umount.87
1 files changed, 7 insertions, 0 deletions
diff --git a/sbin/umount/umount.8 b/sbin/umount/umount.8
index bdaa34b..007ce15 100644
--- a/sbin/umount/umount.8
+++ b/sbin/umount/umount.8
@@ -126,6 +126,13 @@ is unmounted.
If the environment variable
.Pa PATH_FSTAB
is set all operations are performed against the specified file.
+.Pa PATH_FSTAB
+will not be honored if the process environment or memory address space is
+considred
+.Dq tainted .
+(See
+.Fn issetugid
+for more information.)
.El
.Sh FILES
.Bl -tag -width /etc/fstab -compact
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