devices: Skip floppy drives while passing devices to guest

In privileged mode, all host devices are supposed to be passed to the container in config.json. Skip floppy drives. Fixes #1551 Signed-off-by: Archana Shinde <[email protected]>
kata-containers · Apr 18, 2019 · f6b8387 · f6b8387
1 parent 717a30b
commit f6b8387
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/virtcontainers/container.go b/virtcontainers/container.go
@@ -51,6 +51,10 @@ var cdromMajors = map[int64]string{
 	32: "CM206_CDROM_MAJOR",
 }
 
+// https://github.com/torvalds/linux/blob/master/include/uapi/linux/major.h
+// #define FLOPPY_MAJOR		2
+const floppyMajor = int64(2)
+
 // Process gathers data related to a container process.
 type Process struct {
 	// Token is the process execution context ID. It must be
@@ -603,6 +607,14 @@ func filterDevices(sandbox *Sandbox, c *Container, devices []ContainerDevice) (r
 			}).Info("Not attach device because it is a CDROM")
 			continue
 		}
+
+		if major == floppyMajor {
+			c.Logger().WithFields(logrus.Fields{
+				"device": dev.ContainerPath,
+			}).Info("Not attaching device because it is a floppy drive")
+			continue
+		}
+
 		ret = append(ret, dev)
 	}
 	return