Commit e04d426b authored by Matt Caswell's avatar Matt Caswell
Browse files

Fix free of garbage pointer. PR#3595 



Reviewed-by: default avatarEmilia Käsper <emilia@openssl.org>
parent 67b8bcee

crypto/ec/ec_mult.c

+4 −3
Original line number Diff line number Diff line
@@ -448,14 +448,15 @@ int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, 
	wNAF     = OPENSSL_malloc((totalnum + 1) * sizeof wNAF[0]); /* includes space for pivot */

	val_sub  = OPENSSL_malloc(totalnum * sizeof val_sub[0]);



	/* Ensure wNAF is initialised in case we end up going to err */

	if (wNAF) wNAF[0] = NULL;	/* preliminary pivot */



	if (!wsize || !wNAF_len || !wNAF || !val_sub)

		{

		ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);

		goto err;

		}



	wNAF[0] = NULL;	/* preliminary pivot */



	/* num_val will be the total number of temporarily precomputed points */

	num_val = 0;