Add simple tests to validate that non-nsfs ioctls are rejected.
Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
---
tools/testing/selftests/filesystems/nsfs/iterate_mntns.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/tools/testing/selftests/filesystems/nsfs/iterate_mntns.c b/tools/testing/selftests/filesystems/nsfs/iterate_mntns.c
index 457cf76f3c5f..a3d8015897e9 100644
--- a/tools/testing/selftests/filesystems/nsfs/iterate_mntns.c
+++ b/tools/testing/selftests/filesystems/nsfs/iterate_mntns.c
@@ -3,6 +3,8 @@
#define _GNU_SOURCE
#include <fcntl.h>
+#include <linux/auto_dev-ioctl.h>
+#include <linux/errno.h>
#include <sched.h>
#include <stdio.h>
#include <string.h>
@@ -146,4 +148,16 @@ TEST_F(iterate_mount_namespaces, iterate_backward)
}
}
+TEST_F(iterate_mount_namespaces, nfs_valid_ioctl)
+{
+ ASSERT_NE(ioctl(self->fd_mnt_ns[0], AUTOFS_DEV_IOCTL_OPENMOUNT, NULL), 0);
+ ASSERT_EQ(errno, ENOTTY);
+
+ ASSERT_NE(ioctl(self->fd_mnt_ns[0], AUTOFS_DEV_IOCTL_CLOSEMOUNT, NULL), 0);
+ ASSERT_EQ(errno, ENOTTY);
+
+ ASSERT_NE(ioctl(self->fd_mnt_ns[0], AUTOFS_DEV_IOCTL_READY, NULL), 0);
+ ASSERT_EQ(errno, ENOTTY);
+}
+
TEST_HARNESS_MAIN
--
2.47.2
