From fef58ce79eebd86c50cdb6725b948c86655ff168 Mon Sep 17 00:00:00 2001
From: Huzaifa Sidhpurwala <huzaifas@redhat.com>
Date: Thu, 26 Jun 2014 23:45:58 +0100
Subject: Make sure BN_sqr can never return a negative value.

PR#3410
(cherry picked from commit e14e764c0d5d469da63d0819c6ffc0e1e9e7f0bb)
---
 crypto/bn/bn_sqr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/crypto/bn/bn_sqr.c b/crypto/bn/bn_sqr.c
index 270d0cd348..65bbf165d0 100644
--- a/crypto/bn/bn_sqr.c
+++ b/crypto/bn/bn_sqr.c
@@ -77,6 +77,7 @@ int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
 	if (al <= 0)
 		{
 		r->top=0;
+		r->neg = 0;
 		return 1;
 		}
 
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