handle the case when BN_new returns NULL (58f0f52e) · Commits · CYBER - Cyber Security / TS 103 523 MSP / TLMSP / TLMSP OpenSSL

crypto/bn/bn_lib.c

+13 −5

Original line number	Diff line number	Diff line
		@@ -458,12 +458,20 @@ BIGNUM bn_dup_expand(const BIGNUM b, int words)
		if (a)
		{
		r = BN_new();
		if (r)
		{
		r->top = b->top;
		r->dmax = words;
		r->neg = b->neg;
		r->d = a;
		}
		/* Otherwise, there was an error in allocation in
		else
		{
		/* r == NULL, BN_new failure */
		OPENSSL_free(a);
		}
		}
		/* If a == NULL, there was an error in allocation in
		internal_bn_expand(), and NULL should be returned */
		}
		else