commit 8e15887de95a7076b9515dcbb428b364f6dc3849
from: v4hn <me@v4hn.de>
via: Roberto E. Vargas Caballero <k0ga@shike2.com>
date: Fri May 15 05:42:40 2015 UTC

set selection to IDLE on clear

Otherwise a tangling bmotion event will consider
the selection still valid and selnormalize segfaults
because of an invalid sel.ob.y index.

commit - 89cf0fc597a2bcc16b1516c6f6d750a06175f1c7
commit + 8e15887de95a7076b9515dcbb428b364f6dc3849
blob - 73fe291bdf8355812ac3f625b0d951247cc6195f
blob + c0a9bf3361f877c2939c4f7d922a04c828ebd23d
--- st.c
+++ st.c
@@ -1069,6 +1069,7 @@ void
 selclear(XEvent *e) {
 	if(sel.ob.x == -1)
 		return;
+	sel.mode = SEL_IDLE;
 	sel.ob.x = -1;
 	tsetdirt(sel.nb.y, sel.ne.y);
 }