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check return value of functions that call BIO_new() 

Reviewed-by: Todd Short <todd.short@me.com>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17850)

(cherry picked from commit edba19760f)
This commit is contained in:
tangyiqun 2022-03-09 18:06:41 +08:00 committed by Tomas Mraz
parent b0aa42d050
commit 494ea32909
1 changed files with 12 additions and 1 deletions
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13
fuzz/client.c
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@ -55,7 +55,7 @@ int FuzzerInitialize(int *argc, char ***argv)
int FuzzerTestOneInput(const uint8_t *buf, size_t len)
{
SSL *client;
SSL *client = NULL;
BIO *in;
BIO *out;
SSL_CTX *ctx;
@ -65,13 +65,23 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
/* This only fuzzes the initial flow from the client so far. */
ctx = SSL_CTX_new(SSLv23_method());
if (ctx == NULL)
goto end;
client = SSL_new(ctx);
if (client == NULL)
goto end;
OPENSSL_assert(SSL_set_min_proto_version(client, 0) == 1);
OPENSSL_assert(SSL_set_cipher_list(client, "ALL:eNULL:@SECLEVEL=0") == 1);
SSL_set_tlsext_host_name(client, "localhost");
in = BIO_new(BIO_s_mem());
if (in == NULL)
goto end;
out = BIO_new(BIO_s_mem());
if (out == NULL) {
BIO_free(in);
goto end;
}
SSL_set_bio(client, in, out);
SSL_set_connect_state(client);
OPENSSL_assert((size_t)BIO_write(in, buf, len) == len);
@ -84,6 +94,7 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
}
}
}
end:
SSL_free(client);
ERR_clear_error();
SSL_CTX_free(ctx);