From 9f5f64d735328647e0984491cf9a8bfe51869ae2 Mon Sep 17 00:00:00 2001 From: Emilia Kasper Date: Mon, 31 Aug 2015 13:57:44 +0200 Subject: bntest: don't dereference the |d| array for a zero BIGNUM. Reviewed-by: Richard Levitte (cherry picked from commit 4d04226c2ec7e7f69f6234def63631648e35e828) --- crypto/bn/bntest.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/crypto/bn/bntest.c b/crypto/bn/bntest.c index 470d5da..0f8e18f 100644 --- a/crypto/bn/bntest.c +++ b/crypto/bn/bntest.c @@ -516,9 +516,9 @@ int test_div_word(BIO *bp) do { BN_bntest_rand(&a, 512, -1, 0); BN_bntest_rand(&b, BN_BITS2, -1, 0); - s = b.d[0]; - } while (!s); + } while (BN_is_zero(&b)); + s = b.d[0]; BN_copy(&b, &a); r = BN_div_word(&b, s); -- 1.7.12.1