@@ -66,9 +66,12 @@ struct nf_conn_help {
u8 expecting[NF_CT_MAX_EXPECT_CLASSES];
/* private helper information. */
- char data[];
+ char data[32] __aligned(8);
};
+#define NF_CT_HELPER_BUILD_BUG_ON(structsize) \
+ BUILD_BUG_ON((structsize) > FIELD_SIZEOF(struct nf_conn_help, data))
+
struct nf_conntrack_helper *__nf_conntrack_helper_find(const char *name,
u16 l3num, u8 protonum);
@@ -207,6 +207,8 @@ static int __init nf_conntrack_amanda_init(void)
{
int ret, i;
+ NF_CT_HELPER_BUILD_BUG_ON(0);
+
for (i = 0; i < ARRAY_SIZE(search); i++) {
search[i].ts = textsearch_prepare(ts_algo, search[i].string,
search[i].len,
@@ -577,6 +577,8 @@ static int __init nf_conntrack_ftp_init(void)
{
int i, ret = 0;
+ NF_CT_HELPER_BUILD_BUG_ON(sizeof(struct nf_ct_ftp_master));
+
ftp_buffer = kmalloc(65536, GFP_KERNEL);
if (!ftp_buffer)
return -ENOMEM;
@@ -1836,6 +1836,8 @@ static int __init nf_conntrack_h323_init(void)
{
int ret;
+ NF_CT_HELPER_BUILD_BUG_ON(sizeof(struct nf_ct_h323_master));
+
h323_buffer = kmalloc(65536, GFP_KERNEL);
if (!h323_buffer)
return -ENOMEM;
@@ -58,6 +58,8 @@ static struct nf_conntrack_helper helper __read_mostly = {
static int __init nf_conntrack_netbios_ns_init(void)
{
+ NF_CT_HELPER_BUILD_BUG_ON(0);
+
exp_policy.timeout = timeout;
return nf_conntrack_helper_register(&helper);
}
@@ -607,6 +607,8 @@ static struct nf_conntrack_helper pptp __read_mostly = {
static int __init nf_conntrack_pptp_init(void)
{
+ NF_CT_HELPER_BUILD_BUG_ON(sizeof(struct nf_ct_pptp_master));
+
return nf_conntrack_helper_register(&pptp);
}
@@ -184,6 +184,8 @@ static int __init nf_conntrack_sane_init(void)
{
int i, ret = 0;
+ NF_CT_HELPER_BUILD_BUG_ON(sizeof(struct nf_ct_sane_master));
+
sane_buffer = kmalloc(65536, GFP_KERNEL);
if (!sane_buffer)
return -ENOMEM;
@@ -1622,6 +1622,8 @@ static int __init nf_conntrack_sip_init(void)
{
int i, ret;
+ NF_CT_HELPER_BUILD_BUG_ON(sizeof(struct nf_ct_sip_master));
+
if (ports_c == 0)
ports[ports_c++] = SIP_PORT;
@@ -113,6 +113,8 @@ static int __init nf_conntrack_tftp_init(void)
{
int i, ret;
+ NF_CT_HELPER_BUILD_BUG_ON(0);
+
if (ports_c == 0)
ports[ports_c++] = TFTP_PORT;