From febd54ebb7317f4e0fb6264bd181782129564cd1 Mon Sep 17 00:00:00 2001
From: "Pedro F. Giffuni" <pfg@FreeBSD.org>
Date: Thu, 20 Apr 2017 17:49:37 +0000
Subject: [PATCH] libpthread_db: leave the memset size from unchanged.

The size for the memset in pt_map_thread() shouldn't actually match the
reallocarray() so undo that part of r317200.

X-MFC with:	r317200
---
 lib/libthread_db/libpthread_db.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/libthread_db/libpthread_db.c b/lib/libthread_db/libpthread_db.c
index 66b813ec50d8..55fef7128e40 100644
--- a/lib/libthread_db/libpthread_db.c
+++ b/lib/libthread_db/libpthread_db.c
@@ -100,7 +100,7 @@ pt_map_thread(const td_thragent_t *const_ta, psaddr_t pt, enum pt_type type)
 			if (new == NULL)
 				return (-1);
 			memset(new + ta->map_len, '\0', ta->map_len *
-			    2 * sizeof(struct pt_map));
+			    sizeof(struct pt_map));
 			first = ta->map_len;
 			ta->map = new;
 			ta->map_len *= 2;