lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1441273861-31092-5-git-send-email-pablo@netfilter.org>
Date:	Thu,  3 Sep 2015 11:50:59 +0200
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	netfilter-devel@...r.kernel.org
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 4/6] netfilter: ipset: Fixing unnamed union init

From: Elad Raz <eladr@...lanox.com>

In continue to proposed Vinson Lee's post [1], this patch fixes compilation
issues founded at gcc 4.4.7. The initialization of .cidr field of unnamed
unions causes compilation error in gcc 4.4.x.

References

Visible links
[1] https://lkml.org/lkml/2015/7/5/74

Signed-off-by: Elad Raz <eladr@...lanox.com>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 net/netfilter/ipset/ip_set_hash_netnet.c     |   20 ++++++++++++++++++--
 net/netfilter/ipset/ip_set_hash_netportnet.c |   20 ++++++++++++++++++--
 2 files changed, 36 insertions(+), 4 deletions(-)

diff --git a/net/netfilter/ipset/ip_set_hash_netnet.c b/net/netfilter/ipset/ip_set_hash_netnet.c
index 3c862c0..a93dfeb 100644
--- a/net/netfilter/ipset/ip_set_hash_netnet.c
+++ b/net/netfilter/ipset/ip_set_hash_netnet.c
@@ -131,6 +131,13 @@ hash_netnet4_data_next(struct hash_netnet4_elem *next,
 #define HOST_MASK	32
 #include "ip_set_hash_gen.h"
 
+static void
+hash_netnet4_init(struct hash_netnet4_elem *e)
+{
+	e->cidr[0] = HOST_MASK;
+	e->cidr[1] = HOST_MASK;
+}
+
 static int
 hash_netnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
 		  const struct xt_action_param *par,
@@ -160,7 +167,7 @@ hash_netnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 {
 	const struct hash_netnet *h = set->data;
 	ipset_adtfn adtfn = set->variant->adt[adt];
-	struct hash_netnet4_elem e = { .cidr = { HOST_MASK, HOST_MASK, }, };
+	struct hash_netnet4_elem e = { };
 	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 	u32 ip = 0, ip_to = 0, last;
 	u32 ip2 = 0, ip2_from = 0, ip2_to = 0, last2;
@@ -169,6 +176,7 @@ hash_netnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 	if (tb[IPSET_ATTR_LINENO])
 		*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 
+	hash_netnet4_init(&e);
 	if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 		     !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
 		return -IPSET_ERR_PROTOCOL;
@@ -357,6 +365,13 @@ hash_netnet6_data_next(struct hash_netnet4_elem *next,
 #define IP_SET_EMIT_CREATE
 #include "ip_set_hash_gen.h"
 
+static void
+hash_netnet6_init(struct hash_netnet6_elem *e)
+{
+	e->cidr[0] = HOST_MASK;
+	e->cidr[1] = HOST_MASK;
+}
+
 static int
 hash_netnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
 		  const struct xt_action_param *par,
@@ -385,13 +400,14 @@ hash_netnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 		  enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
 	ipset_adtfn adtfn = set->variant->adt[adt];
-	struct hash_netnet6_elem e = { .cidr = { HOST_MASK, HOST_MASK, }, };
+	struct hash_netnet6_elem e = { };
 	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 	int ret;
 
 	if (tb[IPSET_ATTR_LINENO])
 		*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 
+	hash_netnet6_init(&e);
 	if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 		     !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
 		return -IPSET_ERR_PROTOCOL;
diff --git a/net/netfilter/ipset/ip_set_hash_netportnet.c b/net/netfilter/ipset/ip_set_hash_netportnet.c
index 0c68734..9a14c23 100644
--- a/net/netfilter/ipset/ip_set_hash_netportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_netportnet.c
@@ -142,6 +142,13 @@ hash_netportnet4_data_next(struct hash_netportnet4_elem *next,
 #define HOST_MASK	32
 #include "ip_set_hash_gen.h"
 
+static void
+hash_netportnet4_init(struct hash_netportnet4_elem *e)
+{
+	e->cidr[0] = HOST_MASK;
+	e->cidr[1] = HOST_MASK;
+}
+
 static int
 hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
 		      const struct xt_action_param *par,
@@ -175,7 +182,7 @@ hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 {
 	const struct hash_netportnet *h = set->data;
 	ipset_adtfn adtfn = set->variant->adt[adt];
-	struct hash_netportnet4_elem e = { .cidr = { HOST_MASK, HOST_MASK, }, };
+	struct hash_netportnet4_elem e = { };
 	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 	u32 ip = 0, ip_to = 0, ip_last, p = 0, port, port_to;
 	u32 ip2_from = 0, ip2_to = 0, ip2_last, ip2;
@@ -185,6 +192,7 @@ hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 	if (tb[IPSET_ATTR_LINENO])
 		*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 
+	hash_netportnet4_init(&e);
 	if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 		     !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 		     !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
@@ -412,6 +420,13 @@ hash_netportnet6_data_next(struct hash_netportnet4_elem *next,
 #define IP_SET_EMIT_CREATE
 #include "ip_set_hash_gen.h"
 
+static void
+hash_netportnet6_init(struct hash_netportnet6_elem *e)
+{
+	e->cidr[0] = HOST_MASK;
+	e->cidr[1] = HOST_MASK;
+}
+
 static int
 hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
 		      const struct xt_action_param *par,
@@ -445,7 +460,7 @@ hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 {
 	const struct hash_netportnet *h = set->data;
 	ipset_adtfn adtfn = set->variant->adt[adt];
-	struct hash_netportnet6_elem e = { .cidr = { HOST_MASK, HOST_MASK, }, };
+	struct hash_netportnet6_elem e = { };
 	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 	u32 port, port_to;
 	bool with_ports = false;
@@ -454,6 +469,7 @@ hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 	if (tb[IPSET_ATTR_LINENO])
 		*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 
+	hash_netportnet6_init(&e);
 	if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 		     !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 		     !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ