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authorDr. Stephen Henson <steve@openssl.org>2009-06-17 11:25:42 +0000
committerDr. Stephen Henson <steve@openssl.org>2009-06-17 11:25:42 +0000
commitd70323f1c5fcc8845a2edf48b49178526b7b0305 (patch)
treefaeab0c2ca161c2444282472efc8034d31fdcc75 /crypto/bn/bn_div.c
parent716cddc03cfb313d57912bb40fd95395abc2a4c0 (diff)
Submitted by: Peter Gutmann <pgut001@cs.auckland.ac.nz>
Approved by: steve@openssl.org Check return values for NULL in case of malloc failure.
Diffstat (limited to 'crypto/bn/bn_div.c')
-rw-r--r--crypto/bn/bn_div.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/bn/bn_div.c b/crypto/bn/bn_div.c
index 6db472f8c3..899d07ca24 100644
--- a/crypto/bn/bn_div.c
+++ b/crypto/bn/bn_div.c
@@ -229,7 +229,8 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
if (dv == NULL)
res=BN_CTX_get(ctx);
else res=dv;
- if (sdiv == NULL || res == NULL) goto err;
+ if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)
+ goto err;
/* First we normalise the numbers */
norm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);