From: djm <djm@openbsd.org>
Date: Mon, 1 May 2017 22:09:48 +0000 (+0000)
Subject: when freeing a bitmap, zero all it bytes; spotted by Ilya Kaliman
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=57dd3233e47369aa32288eeb4d408c2169e82eb0;p=openbsd

when freeing a bitmap, zero all it bytes; spotted by Ilya Kaliman
---

diff --git a/usr.bin/ssh/bitmap.c b/usr.bin/ssh/bitmap.c
index b9df2c9f303..776a01e5917 100644
--- a/usr.bin/ssh/bitmap.c
+++ b/usr.bin/ssh/bitmap.c
@@ -51,8 +51,9 @@ void
 bitmap_free(struct bitmap *b)
 {
 	if (b != NULL && b->d != NULL) {
-		explicit_bzero(b->d, b->len);
+		bitmap_zero(b);
 		free(b->d);
+		b->d = NULL;
 	}
 	free(b);
 }