Update from 1.0.0-stable.

73ea4160 · Dr. Stephen Henson · 4f33534c · 73ea4160
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crypto/bn/bn_mul.c crypto/bn/bn_mul.c +2 -0

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--- a/crypto/bn/bn_mul.c
+++ b/crypto/bn/bn_mul.c
@@ -1028,6 +1028,8 @@ 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);