Reinitialize v_type and v_op fields in case vnode has been reused without

reclamation.  If the vnode previously was a fifo then v_op would point to
ffs_fifoops[12] instead of the expected ffs_vnodeops[12], causing a panic at
the end of ffsext_strategy.

1 files changed, 5 insertions, 0 deletions

diff --git a/sys/ufs/ffs/ffs_alloc.c b/sys/ufs/ffs/ffs_alloc.c
index 88f428e..01f636d 100644
--- a/sys/ufs/ffs/ffs_alloc.c
+++ b/sys/ufs/ffs/ffs_alloc.c
@@ -951,6 +951,11 @@ ffs_valloc(pvp, mode, cred, vpp)
 		ip->i_din2->di_birthnsec = ts.tv_nsec;
 	}
 	ip->i_flag = 0;
+	(*vpp)->v_type = VNON;
+	if (fs->fs_magic == FS_UFS2_MAGIC)
+		(*vpp)->v_op = &ffs_vnodeops2;
+	else
+		(*vpp)->v_op = &ffs_vnodeops1;
 	return (0);
 noinodes:
 	UFS_UNLOCK(ump);