Commit e0bf5c11 authored by Bodo Möller's avatar Bodo Möller
Browse files

Handle BN_copy failure after successful BN_new.

parent 58f0f52e

crypto/bn/bn_lib.c

+8 −4
Original line number Diff line number Diff line
@@ -507,15 +507,19 @@ BIGNUM *bn_expand2(BIGNUM *b, int words) 


BIGNUM *BN_dup(const BIGNUM *a)

	{

	BIGNUM *r;

	BIGNUM *r, *t;



	if (a == NULL) return NULL;



	bn_check_top(a);



	r=BN_new();

	if (r == NULL) return(NULL);

	return((BIGNUM *)BN_copy(r,a));

	t = BN_new();

	if (t == NULL) return(NULL);

	r = BN_copy(t, a);

	/* now  r == t || r == NULL */

	if (r == NULL)

		BN_free(t);

	return r;

	}



BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)