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-rw-r--r--lib/libc/gen/getfsent.37
-rw-r--r--sbin/mount/mount.87
-rw-r--r--sbin/umount/umount.87
3 files changed, 21 insertions, 0 deletions
diff --git a/lib/libc/gen/getfsent.3 b/lib/libc/gen/getfsent.3
index bbf2151..b06e567 100644
--- a/lib/libc/gen/getfsent.3
+++ b/lib/libc/gen/getfsent.3
@@ -150,6 +150,13 @@ returns nothing.
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
diff --git a/sbin/mount/mount.8 b/sbin/mount/mount.8
index 741904b..d59154c 100644
--- a/sbin/mount/mount.8
+++ b/sbin/mount/mount.8
@@ -417,6 +417,13 @@ support for a particular file system might be provided either on a static
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
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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