diff --git src/vfs/idmapped-mounts.c src/vfs/idmapped-mounts.c
index ed7948b6..828b2ea3 100644
--- src/vfs/idmapped-mounts.c
+++ src/vfs/idmapped-mounts.c
@@ -535,7 +535,7 @@ static int fsids_mapped(const struct vfstest_info *info)
 			die("failure: create");
 
 		/* create character device */
-		if (mknodat(open_tree_fd, CHRDEV1, S_IFCHR | 0644, makedev(5, 1)))
+		if (!info->t_inside_userns && mknodat(open_tree_fd, CHRDEV1, S_IFCHR | 0644, makedev(5, 1)))
 			die("failure: create");
 
 		/* create symlink */
@@ -764,7 +764,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 	}
 
 	/* create character device */
-	if (mknodat(info->t_dir1_fd, CHRDEV1, S_IFCHR | 0644, makedev(5, 1))) {
+	if (!info->t_inside_userns && mknodat(info->t_dir1_fd, CHRDEV1, S_IFCHR | 0644, makedev(5, 1))) {
 		log_stderr("failure: mknodat");
 		goto out;
 	}
@@ -825,7 +825,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
-	if (!expected_uid_gid(info->t_dir1_fd, CHRDEV1, 0, 0, 0)) {
+	if (!info->t_inside_userns && !expected_uid_gid(info->t_dir1_fd, CHRDEV1, 0, 0, 0)) {
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
@@ -857,7 +857,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
-	if (!expected_uid_gid(open_tree_fd1, CHRDEV1, 0, 10000, 10000)) {
+	if (!info->t_inside_userns && !expected_uid_gid(open_tree_fd1, CHRDEV1, 0, 10000, 10000)) {
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
@@ -912,7 +912,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
-	if (!expected_uid_gid(open_tree_fd2, CHRDEV1, 0, 30000, 30000)) {
+	if (!info->t_inside_userns && !expected_uid_gid(open_tree_fd2, CHRDEV1, 0, 30000, 30000)) {
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
@@ -942,7 +942,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: fchownat");
 		goto out;
 	}
-	if (fchownat(info->t_dir1_fd, CHRDEV1, 2000, 2000, 0)) {
+	if (!info->t_inside_userns && fchownat(info->t_dir1_fd, CHRDEV1, 2000, 2000, 0)) {
 		log_stderr("failure: fchownat");
 		goto out;
 	}
@@ -972,7 +972,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
-	if (!expected_uid_gid(info->t_dir1_fd, CHRDEV1, 0, 2000, 2000)) {
+	if (!info->t_inside_userns && !expected_uid_gid(info->t_dir1_fd, CHRDEV1, 0, 2000, 2000)) {
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
@@ -1002,7 +1002,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
-	if (!expected_uid_gid(open_tree_fd1, CHRDEV1, 0, 12000, 12000)) {
+	if (!info->t_inside_userns && !expected_uid_gid(open_tree_fd1, CHRDEV1, 0, 12000, 12000)) {
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
@@ -1032,7 +1032,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
-	if (!expected_uid_gid(open_tree_fd2, CHRDEV1, 0, 32000, 32000)) {
+	if (!info->t_inside_userns && !expected_uid_gid(open_tree_fd2, CHRDEV1, 0, 32000, 32000)) {
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
@@ -1064,7 +1064,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 			die("failure: fchownat");
 		if (!fchownat(info->t_dir1_fd, HARDLINK1, 1000, 1000, 0))
 			die("failure: fchownat");
-		if (!fchownat(info->t_dir1_fd, CHRDEV1, 1000, 1000, 0))
+		if (!info->t_inside_userns && !fchownat(info->t_dir1_fd, CHRDEV1, 1000, 1000, 0))
 			die("failure: fchownat");
 		if (!fchownat(info->t_dir1_fd, SYMLINK1, 2000, 2000, AT_EMPTY_PATH | AT_SYMLINK_NOFOLLOW))
 			die("failure: fchownat");
@@ -1079,7 +1079,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 			die("failure: fchownat");
 		if (!fchownat(open_tree_fd2, HARDLINK1, 1000, 1000, 0))
 			die("failure: fchownat");
-		if (!fchownat(open_tree_fd2, CHRDEV1, 1000, 1000, 0))
+		if (!info->t_inside_userns && !fchownat(open_tree_fd2, CHRDEV1, 1000, 1000, 0))
 			die("failure: fchownat");
 		if (!fchownat(open_tree_fd2, SYMLINK1, 2000, 2000, AT_EMPTY_PATH | AT_SYMLINK_NOFOLLOW))
 			die("failure: fchownat");
@@ -1094,7 +1094,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 			die("failure: fchownat");
 		if (fchownat(open_tree_fd1, HARDLINK1, 1000, 1000, 0))
 			die("failure: fchownat");
-		if (fchownat(open_tree_fd1, CHRDEV1, 1000, 1000, 0))
+		if (!info->t_inside_userns && fchownat(open_tree_fd1, CHRDEV1, 1000, 1000, 0))
 			die("failure: fchownat");
 		if (fchownat(open_tree_fd1, SYMLINK1, 2000, 2000, AT_EMPTY_PATH | AT_SYMLINK_NOFOLLOW))
 			die("failure: fchownat");
@@ -1109,7 +1109,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 			die("failure: expected_uid_gid");
 		if (!expected_uid_gid(info->t_dir1_fd, HARDLINK1, 0, info->t_overflowuid, info->t_overflowgid))
 			die("failure: expected_uid_gid");
-		if (!expected_uid_gid(info->t_dir1_fd, CHRDEV1, 0, info->t_overflowuid, info->t_overflowgid))
+		if (!info->t_inside_userns && !expected_uid_gid(info->t_dir1_fd, CHRDEV1, 0, info->t_overflowuid, info->t_overflowgid))
 			die("failure: expected_uid_gid");
 		if (!expected_uid_gid(info->t_dir1_fd, SYMLINK1, AT_SYMLINK_NOFOLLOW, info->t_overflowuid, info->t_overflowgid))
 			die("failure: expected_uid_gid");
@@ -1124,7 +1124,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 			die("failure: expected_uid_gid");
 		if (!expected_uid_gid(open_tree_fd2, HARDLINK1, 0, info->t_overflowuid, info->t_overflowgid))
 			die("failure: expected_uid_gid");
-		if (!expected_uid_gid(open_tree_fd2, CHRDEV1, 0, info->t_overflowuid, info->t_overflowgid))
+		if (!info->t_inside_userns && !expected_uid_gid(open_tree_fd2, CHRDEV1, 0, info->t_overflowuid, info->t_overflowgid))
 			die("failure: expected_uid_gid");
 		if (!expected_uid_gid(open_tree_fd2, SYMLINK1, AT_SYMLINK_NOFOLLOW, info->t_overflowuid, info->t_overflowgid))
 			die("failure: expected_uid_gid");
@@ -1139,7 +1139,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 			die("failure: expected_uid_gid");
 		if (!expected_uid_gid(open_tree_fd1, HARDLINK1, 0, 1000, 1000))
 			die("failure: expected_uid_gid");
-		if (!expected_uid_gid(open_tree_fd1, CHRDEV1, 0, 1000, 1000))
+		if (!info->t_inside_userns && !expected_uid_gid(open_tree_fd1, CHRDEV1, 0, 1000, 1000))
 			die("failure: expected_uid_gid");
 		if (!expected_uid_gid(open_tree_fd1, SYMLINK1, AT_SYMLINK_NOFOLLOW, 2000, 2000))
 			die("failure: expected_uid_gid");
@@ -1167,7 +1167,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
-	if (!expected_uid_gid(info->t_dir1_fd, CHRDEV1, 0, 1000, 1000)) {
+	if (!info->t_inside_userns && !expected_uid_gid(info->t_dir1_fd, CHRDEV1, 0, 1000, 1000)) {
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
@@ -1197,7 +1197,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
-	if (!expected_uid_gid(open_tree_fd1, CHRDEV1, 0, 11000, 11000)) {
+	if (!info->t_inside_userns && !expected_uid_gid(open_tree_fd1, CHRDEV1, 0, 11000, 11000)) {
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
@@ -1227,7 +1227,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
-	if (!expected_uid_gid(open_tree_fd2, CHRDEV1, 0, 31000, 31000)) {
+	if (!info->t_inside_userns && !expected_uid_gid(open_tree_fd2, CHRDEV1, 0, 31000, 31000)) {
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
@@ -1259,7 +1259,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 			die("failure: fchownat");
 		if (!fchownat(info->t_dir1_fd, HARDLINK1, 0, 0, 0))
 			die("failure: fchownat");
-		if (!fchownat(info->t_dir1_fd, CHRDEV1, 0, 0, 0))
+		if (!info->t_inside_userns && !fchownat(info->t_dir1_fd, CHRDEV1, 0, 0, 0))
 			die("failure: fchownat");
 		if (!fchownat(info->t_dir1_fd, SYMLINK1, 3000, 3000, AT_EMPTY_PATH | AT_SYMLINK_NOFOLLOW))
 			die("failure: fchownat");
@@ -1274,7 +1274,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 			die("failure: fchownat");
 		if (!fchownat(open_tree_fd1, HARDLINK1, 0, 0, 0))
 			die("failure: fchownat");
-		if (!fchownat(open_tree_fd1, CHRDEV1, 0, 0, 0))
+		if (!info->t_inside_userns && !fchownat(open_tree_fd1, CHRDEV1, 0, 0, 0))
 			die("failure: fchownat");
 		if (!fchownat(open_tree_fd1, SYMLINK1, 3000, 3000, AT_EMPTY_PATH | AT_SYMLINK_NOFOLLOW))
 			die("failure: fchownat");
@@ -1289,7 +1289,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 			die("failure: fchownat");
 		if (fchownat(open_tree_fd2, HARDLINK1, 0, 0, 0))
 			die("failure: fchownat");
-		if (fchownat(open_tree_fd2, CHRDEV1, 0, 0, 0))
+		if (!info->t_inside_userns && fchownat(open_tree_fd2, CHRDEV1, 0, 0, 0))
 			die("failure: fchownat");
 		if (!fchownat(open_tree_fd2, SYMLINK1, 3000, 3000, AT_EMPTY_PATH | AT_SYMLINK_NOFOLLOW))
 			die("failure: fchownat");
@@ -1304,7 +1304,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 			die("failure: expected_uid_gid");
 		if (!expected_uid_gid(info->t_dir1_fd, HARDLINK1, 0, info->t_overflowuid, info->t_overflowgid))
 			die("failure: expected_uid_gid");
-		if (!expected_uid_gid(info->t_dir1_fd, CHRDEV1, 0, info->t_overflowuid, info->t_overflowgid))
+		if (!info->t_inside_userns && !expected_uid_gid(info->t_dir1_fd, CHRDEV1, 0, info->t_overflowuid, info->t_overflowgid))
 			die("failure: expected_uid_gid");
 		if (!expected_uid_gid(info->t_dir1_fd, SYMLINK1, AT_SYMLINK_NOFOLLOW, info->t_overflowuid, info->t_overflowgid))
 			die("failure: expected_uid_gid");
@@ -1319,7 +1319,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 			die("failure: expected_uid_gid");
 		if (!expected_uid_gid(open_tree_fd1, HARDLINK1, 0, info->t_overflowuid, info->t_overflowgid))
 			die("failure: expected_uid_gid");
-		if (!expected_uid_gid(open_tree_fd1, CHRDEV1, 0, info->t_overflowuid, info->t_overflowgid))
+		if (!info->t_inside_userns && !expected_uid_gid(open_tree_fd1, CHRDEV1, 0, info->t_overflowuid, info->t_overflowgid))
 			die("failure: expected_uid_gid");
 		if (!expected_uid_gid(open_tree_fd1, SYMLINK1, AT_SYMLINK_NOFOLLOW, info->t_overflowuid, info->t_overflowgid))
 			die("failure: expected_uid_gid");
@@ -1334,7 +1334,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 			die("failure: expected_uid_gid");
 		if (!expected_uid_gid(open_tree_fd2, HARDLINK1, 0, 0, 0))
 			die("failure: expected_uid_gid");
-		if (!expected_uid_gid(open_tree_fd2, CHRDEV1, 0, 0, 0))
+		if (!info->t_inside_userns && !expected_uid_gid(open_tree_fd2, CHRDEV1, 0, 0, 0))
 			die("failure: expected_uid_gid");
 		if (!expected_uid_gid(open_tree_fd2, SYMLINK1, AT_SYMLINK_NOFOLLOW, 2000, 2000))
 			die("failure: expected_uid_gid");
@@ -1362,7 +1362,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
-	if (!expected_uid_gid(info->t_dir1_fd, CHRDEV1, 0, 0, 0)) {
+	if (!info->t_inside_userns && !expected_uid_gid(info->t_dir1_fd, CHRDEV1, 0, 0, 0)) {
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
@@ -1392,7 +1392,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
-	if (!expected_uid_gid(open_tree_fd1, CHRDEV1, 0, 10000, 10000)) {
+	if (!info->t_inside_userns && !expected_uid_gid(open_tree_fd1, CHRDEV1, 0, 10000, 10000)) {
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
@@ -1422,7 +1422,7 @@ static int expected_uid_gid_idmapped_mounts(const struct vfstest_info *info)
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
-	if (!expected_uid_gid(open_tree_fd2, CHRDEV1, 0, 30000, 30000)) {
+	if (!info->t_inside_userns && !expected_uid_gid(open_tree_fd2, CHRDEV1, 0, 30000, 30000)) {
 		log_stderr("failure: expected_uid_gid");
 		goto out;
 	}
