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crypto/pkcs7/pk7_smime.c: Add BIO_free() to avoid memory leak 

Add BIO_free() to free tmpout if OPENSSL_malloc() fails to avoid memory leak.

Fixes: 8e70485 ("RT3955: Reduce some stack usage")
Signed-off-by: JiashengJiang <jiasheng@purdue.edu>

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/27631)
This commit is contained in:
JiashengJiang 2025-05-21 21:12:18 -04:00 committed by Tomas Mraz
parent 0dc6ea55a1
commit 9882d389df
1 changed files with 2 additions and 2 deletions
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4
crypto/pkcs7/pk7_smime.c
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@ -333,10 +333,8 @@ int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
if (flags & PKCS7_TEXT) {
if (!SMIME_text(tmpout, out)) {
ERR_raise(ERR_LIB_PKCS7, PKCS7_R_SMIME_TEXT_ERROR);
BIO_free(tmpout);
goto err;
}
BIO_free(tmpout);
}
/* Now Verify All Signatures */
@ -354,6 +352,8 @@ int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
ret = 1;
err:
if (flags & PKCS7_TEXT)
BIO_free(tmpout);
X509_STORE_CTX_free(cert_ctx);
OPENSSL_free(buf);
if (indata != NULL)