Index: procfs.c
===================================================================
RCS file: /home/ncvs/src/sys/fs/procfs/procfs.c,v
retrieving revision 1.9
diff -u -r1.9 procfs.c
--- procfs.c	17 Apr 2003 22:12:12 -0000	1.9
+++ procfs.c	12 Dec 2003 04:13:10 -0000
@@ -70,7 +70,9 @@
 	char *fullpath = "unknown";
 	char *freepath = NULL;
 
+	vn_lock(p->p_textvp, LK_EXCLUSIVE | LK_RETRY, td);
 	vn_fullpath(td, p->p_textvp, &fullpath, &freepath);
+	VOP_UNLOCK(p->p_textvp, 0, td);
 	sbuf_printf(sb, "%s", fullpath);
 	if (freepath)
 		free(freepath, M_TEMP);