456a73ef01
VBAD type. FFS ffs_write() VOP catches such vnodes and panics, other VOPs do not check for the type and their behaviour is really undefined. The comment claims that this support was done for 'badsect' to flag bad sectors, we do not have such facility in kernel anyway. Reported by: Dmitry Vyukov <dvyukov@google.com> Sponsored by: The FreeBSD Foundation MFC after: 1 week