1 files changed, 15 insertions, 9 deletions

diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 8a4fed8ead30..b104726e2d0a 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -36,8 +36,8 @@ struct autofs_info *autofs4_new_ino(struct autofs_sb_info *sbi)
 
 void autofs4_clean_ino(struct autofs_info *ino)
 {
-        ino->uid = 0;
-        ino->gid = 0;
+        ino->uid = GLOBAL_ROOT_UID;
+        ino->gid = GLOBAL_ROOT_GID;
         ino->last_used = jiffies;
 }
 
@@ -79,10 +79,12 @@ static int autofs4_show_options(struct seq_file *m, struct dentry *root)
                 return 0;
 
         seq_printf(m, ",fd=%d", sbi->pipefd);
-        if (root_inode->i_uid != 0)
-                seq_printf(m, ",uid=%u", root_inode->i_uid);
-        if (root_inode->i_gid != 0)
-                seq_printf(m, ",gid=%u", root_inode->i_gid);
+        if (!uid_eq(root_inode->i_uid, GLOBAL_ROOT_UID))
+                seq_printf(m, ",uid=%u",
+                        from_kuid_munged(&init_user_ns, root_inode->i_uid));
+        if (!gid_eq(root_inode->i_gid, GLOBAL_ROOT_GID))
+                seq_printf(m, ",gid=%u",
+                        from_kgid_munged(&init_user_ns, root_inode->i_gid));
         seq_printf(m, ",pgrp=%d", sbi->oz_pgrp);
         seq_printf(m, ",timeout=%lu", sbi->exp_timeout/HZ);
         seq_printf(m, ",minproto=%d", sbi->min_proto);
@@ -126,7 +128,7 @@ static const match_table_t tokens = {
         {Opt_err, NULL}
 };
 
-static int parse_options(char *options, int *pipefd, uid_t *uid, gid_t *gid,
+static int parse_options(char *options, int *pipefd, kuid_t *uid, kgid_t *gid,
                 pid_t *pgrp, unsigned int *type, int *minproto, int *maxproto)
 {
         char *p;
@@ -159,12 +161,16 @@ static int parse_options(char *options, int *pipefd, uid_t *uid, gid_t *gid,
                 case Opt_uid:
                         if (match_int(args, &option))
                                 return 1;
-                        *uid = option;
+                        *uid = make_kuid(current_user_ns(), option);
+                        if (!uid_valid(*uid))
+                                return 1;
                         break;
                 case Opt_gid:
                         if (match_int(args, &option))
                                 return 1;
-                        *gid = option;
+                        *gid = make_kgid(current_user_ns(), option);
+                        if (!gid_valid(*gid))
+                                return 1;
                         break;
                 case Opt_pgrp:
                         if (match_int(args, &option))