Add check for BIO_indent return value

CID 24812

ok jsing@ millert@ tb@

diff --git a/lib/libcrypto/dh/dh_ameth.c b/lib/libcrypto/dh/dh_ameth.c
index eaca890..0df7fbc 100644 (file)
--- a/lib/libcrypto/dh/dh_ameth.c
+++ b/lib/libcrypto/dh/dh_ameth.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dh_ameth.c,v 1.22 2022/01/10 12:10:26 tb Exp $ */
+/* $OpenBSD: dh_ameth.c,v 1.23 2022/01/20 11:00:34 inoguchi Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
@@ -353,7 +353,8 @@ do_dh_print(BIO *bp, const DH *x, int indent, ASN1_PCTX *ctx, int ptype)
                goto err;
        }
 
-       BIO_indent(bp, indent, 128);
+       if (!BIO_indent(bp, indent, 128))
+               goto err;
        if (BIO_printf(bp, "%s: (%d bit)\n", ktype, BN_num_bits(x->p)) <= 0)
                goto err;
        indent += 4;
@@ -368,7 +369,8 @@ do_dh_print(BIO *bp, const DH *x, int indent, ASN1_PCTX *ctx, int ptype)
        if (!ASN1_bn_print(bp, "generator:", x->g, m, indent))
                goto err;
        if (x->length != 0) {
-               BIO_indent(bp, indent, 128);
+               if (!BIO_indent(bp, indent, 128))
+                       goto err;
                if (BIO_printf(bp, "recommended-private-length: %d bits\n",
                    (int)x->length) <= 0)
                        goto err;