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check the return value of OSSL_PARAM_BLD_new in dsa_kmgmt.c:195

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Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17155)
This commit is contained in:
x2018 2021-11-29 19:08:36 +08:00 committed by Tomas Mraz
parent 8582dccc4d
commit 0da3b39af3
1 changed files with 6 additions and 2 deletions
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8
providers/implementations/keymgmt/dsa_kmgmt.c
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@ -210,12 +210,16 @@ static int dsa_export(void *keydata, int selection, OSSL_CALLBACK *param_cb,
void *cbarg)
{
DSA *dsa = keydata;
OSSL_PARAM_BLD *tmpl = OSSL_PARAM_BLD_new();
OSSL_PARAM_BLD *tmpl;
OSSL_PARAM *params = NULL;
int ok = 1;
if (!ossl_prov_is_running() || dsa == NULL)
goto err;
return 0;
tmpl = OSSL_PARAM_BLD_new();
if (tmpl == NULL)
return 0;
if ((selection & OSSL_KEYMGMT_SELECT_ALL_PARAMETERS) != 0)
ok = ok && ossl_ffc_params_todata(ossl_dsa_get0_params(dsa), tmpl, NULL);