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Fix a memleak in prepare_rsa_params

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This affects only RSA-PSS keys with params using
negative salt legth, or in case of out of memory.
This fixes a memory leak reported in #22049.

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22061)
This commit is contained in:
Bernd Edlinger 2023-09-11 12:34:02 +02:00 committed by Tomas Mraz
parent 123c85864f
commit 46def829af
1 changed files with 4 additions and 1 deletions
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5
providers/implementations/encode_decode/encode_key2any.c
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@ -856,14 +856,17 @@ static int prepare_rsa_params(const void *rsa, int nid, int save,
case 1:
if ((str = OPENSSL_malloc(str_sz)) == NULL
|| !WPACKET_init_der(&pkt, str, str_sz)) {
WPACKET_cleanup(&pkt);
goto err;
}
break;
}
if (!ossl_DER_w_RSASSA_PSS_params(&pkt, -1, pss)
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &str_sz))
|| !WPACKET_get_total_written(&pkt, &str_sz)) {
WPACKET_cleanup(&pkt);
goto err;
}
WPACKET_cleanup(&pkt);
/*