diff options
Diffstat (limited to 'openssl/crypto/bn/bn_mul.c')
| -rw-r--r-- | openssl/crypto/bn/bn_mul.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/openssl/crypto/bn/bn_mul.c b/openssl/crypto/bn/bn_mul.c index b848c8cc6..a0e9ec3b4 100644 --- a/openssl/crypto/bn/bn_mul.c +++ b/openssl/crypto/bn/bn_mul.c @@ -1028,17 +1028,19 @@ int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) assert(j <= al || j <= bl); k = j+j; t = BN_CTX_get(ctx); + if (t == NULL) + goto err; if (al > j || bl > j) { - bn_wexpand(t,k*4); - bn_wexpand(rr,k*4); + if (bn_wexpand(t,k*4) == NULL) goto err; + if (bn_wexpand(rr,k*4) == NULL) goto err; bn_mul_part_recursive(rr->d,a->d,b->d, j,al-j,bl-j,t->d); } else /* al <= j || bl <= j */ { - bn_wexpand(t,k*2); - bn_wexpand(rr,k*2); + if (bn_wexpand(t,k*2) == NULL) goto err; + if (bn_wexpand(rr,k*2) == NULL) goto err; bn_mul_recursive(rr->d,a->d,b->d, j,al-j,bl-j,t->d); } |