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v3_sxnet: add a check for the return of i2s_ASN1_INTEGER()
author
xkernel
<xkernel.wang@foxmail.com>
Mon, 20 Jun 2022 09:46:39 +0000
(17:46 +0800)
committer
Richard Levitte
<levitte@openssl.org>
Tue, 5 Jul 2022 06:08:12 +0000
(08:08 +0200)
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Ben Kaduk <kaduk@mit.edu>
(Merged from https://github.com/openssl/openssl/pull/18608)
crypto/x509/v3_sxnet.c
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diff --git
a/crypto/x509/v3_sxnet.c
b/crypto/x509/v3_sxnet.c
index a4331968206b3f3f3b94587defee88bad211e65f..5ac3bab354925e9acc4e5147c110b0cef777d8a0 100644
(file)
--- a/
crypto/x509/v3_sxnet.c
+++ b/
crypto/x509/v3_sxnet.c
@@
-78,6
+78,8
@@
static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out,
for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
id = sk_SXNETID_value(sx->ids, i);
tmp = i2s_ASN1_INTEGER(NULL, id->zone);
+ if (tmp == NULL)
+ return 0;
BIO_printf(out, "\n%*sZone: %s, User: ", indent, "", tmp);
OPENSSL_free(tmp);
ASN1_STRING_print(out, id->user);