1 files changed, 6 insertions, 4 deletions

diff --git a/src/lib/libcrypto/ec/ec2_smpl.c b/src/lib/libcrypto/ec/ec2_smpl.c
index 5cd1eac41f..522d036ca1 100644
--- a/src/lib/libcrypto/ec/ec2_smpl.c
+++ b/src/lib/libcrypto/ec/ec2_smpl.c
@@ -174,8 +174,10 @@ int ec_GF2m_simple_group_copy(EC_GROUP *dest, const EC_GROUP *src)
         dest->poly[2] = src->poly[2];
         dest->poly[3] = src->poly[3];
         dest->poly[4] = src->poly[4];
-        bn_wexpand(&dest->a, (int)(dest->poly[0] + BN_BITS2 - 1) / BN_BITS2);
-        bn_wexpand(&dest->b, (int)(dest->poly[0] + BN_BITS2 - 1) / BN_BITS2);
+        if(bn_wexpand(&dest->a, (int)(dest->poly[0] + BN_BITS2 - 1) / BN_BITS2) == NULL)
+                return 0;
+        if(bn_wexpand(&dest->b, (int)(dest->poly[0] + BN_BITS2 - 1) / BN_BITS2) == NULL)
+                return 0;
         for (i = dest->a.top; i < dest->a.dmax; i++) dest->a.d[i] = 0;
         for (i = dest->b.top; i < dest->b.dmax; i++) dest->b.d[i] = 0;
         return 1;
@@ -199,12 +201,12 @@ int ec_GF2m_simple_group_set_curve(EC_GROUP *group,
 
         /* group->a */
         if (!BN_GF2m_mod_arr(&group->a, a, group->poly)) goto err;
-        bn_wexpand(&group->a, (int)(group->poly[0] + BN_BITS2 - 1) / BN_BITS2);
+        if(bn_wexpand(&group->a, (int)(group->poly[0] + BN_BITS2 - 1) / BN_BITS2) == NULL) goto err;
         for (i = group->a.top; i < group->a.dmax; i++) group->a.d[i] = 0;
         
         /* group->b */
         if (!BN_GF2m_mod_arr(&group->b, b, group->poly)) goto err;
-        bn_wexpand(&group->b, (int)(group->poly[0] + BN_BITS2 - 1) / BN_BITS2);
+        if(bn_wexpand(&group->b, (int)(group->poly[0] + BN_BITS2 - 1) / BN_BITS2) == NULL) goto err;
         for (i = group->b.top; i < group->b.dmax; i++) group->b.d[i] = 0;
                 
         ret = 1;