--- traverse.c.orig	2021-02-06 16:38:56.819356000 -0600
+++ traverse.c	2021-02-06 17:29:01.579266000 -0600
@@ -754,11 +754,11 @@
 	 * Update the block map in the header to indicate the added
 	 * extended attribute. They will be appended after the file
 	 * data by the writeextdata() routine.
 	 */
 	tbperdb = sblock->fs_bsize >> tp_bshift;
-	assert(spcl.c_count + blks < TP_NINDIR);
+	assert(spcl.c_count + blks <= TP_NINDIR);
 	for (i = 0; i < blks; i++)
 		if (&dp->dp2.di_extb[i / tbperdb] != 0)
 				spcl.c_addr[spcl.c_count + i] = 1;
 			else
 				spcl.c_addr[spcl.c_count + i] = 0;