--- /n/sources/plan9/sys/src/cmd/hget.c	Wed Feb 10 11:00:08 2010
+++ /sys/src/cmd/hget.c	Thu Jun 18 00:00:00 2026
@@ -1289,6 +1289,7 @@
 
 	for(p = buf;;){
 		if(b.rp >= b.wp){
+			b.rp = b.wp = b.buf;
 			n = read(fd, b.wp, sizeof(b.buf)/2);
 			if(n < 0)
 				return -1;