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Fix error handling in X509_chain_up_ref

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Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/9614)

(cherry picked from commit cae665dfa6)
This commit is contained in:
Bernd Edlinger 2019-08-16 15:18:51 +02:00
parent 4faaf0f46d
commit 2403153c95
1 changed files with 9 additions and 1 deletions
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10
crypto/x509/x509_cmp.c
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@ -450,9 +450,17 @@ STACK_OF(X509) *X509_chain_up_ref(STACK_OF(X509) *chain)
STACK_OF(X509) *ret;
int i;
ret = sk_X509_dup(chain);
if (ret == NULL)
return NULL;
for (i = 0; i < sk_X509_num(ret); i++) {
X509 *x = sk_X509_value(ret, i);
X509_up_ref(x);
if (!X509_up_ref(x))
goto err;
}
return ret;
err:
while (i-- > 0)
X509_free (sk_X509_value(ret, i));
sk_X509_free(ret);
return NULL;
}