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BUG/MINOR: ssl_sock: add check for ha_meth

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in __ssl_sock_init, BIO_meth_new may failed and return NULL if
OPENSSL_zalloc failed.  in this case, ha_meth  will be NULL, and then
crash happens in  BIO_meth_set_write.  So, we add a check for ha_meth.
This commit is contained in:
eaglegai 2023-05-26 16:42:47 +08:00 committed by Willy Tarreau
parent 44c73cea08
commit 15c3d20e31
1 changed files with 9 additions and 7 deletions
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16
src/ssl_sock.c
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@ -7561,13 +7561,15 @@ static void __ssl_sock_init(void)
ERR_load_SSL_strings();
#endif
ha_meth = BIO_meth_new(0x666, "ha methods");
BIO_meth_set_write(ha_meth, ha_ssl_write);
BIO_meth_set_read(ha_meth, ha_ssl_read);
BIO_meth_set_ctrl(ha_meth, ha_ssl_ctrl);
BIO_meth_set_create(ha_meth, ha_ssl_new);
BIO_meth_set_destroy(ha_meth, ha_ssl_free);
BIO_meth_set_puts(ha_meth, ha_ssl_puts);
BIO_meth_set_gets(ha_meth, ha_ssl_gets);
if (ha_meth != NULL) {
BIO_meth_set_write(ha_meth, ha_ssl_write);
BIO_meth_set_read(ha_meth, ha_ssl_read);
BIO_meth_set_ctrl(ha_meth, ha_ssl_ctrl);
BIO_meth_set_create(ha_meth, ha_ssl_new);
BIO_meth_set_destroy(ha_meth, ha_ssl_free);
BIO_meth_set_puts(ha_meth, ha_ssl_puts);
BIO_meth_set_gets(ha_meth, ha_ssl_gets);
}
HA_SPIN_INIT(&ckch_lock);