X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fbn%2Fbn_mul.c;h=3a1d459dd6d29bfce66aa3dd7cfa331cf5e29053;hp=b848c8cc60f4d69ab60468c3090385318930a40a;hb=27713e3fc250fc37d98020b9e45c7a8135c64e52;hpb=3492c47b18e901e9006b8ebb388640979d0342dd

diff --git a/crypto/bn/bn_mul.c b/crypto/bn/bn_mul.c
index b848c8cc60..3a1d459dd6 100644
--- 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);