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authorLinus Torvalds <torvalds@linux-foundation.org>2010-04-13 14:32:48 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-13 14:32:48 -0400
commit465de2ba71f5048341e0109f3f6c4d7dc65d9754 (patch)
tree59dbc051958e48859030f31f46b028808ab2681b /net
parent0d0fb0f9c5fddef4a10242fe3337f00f528a3099 (diff)
parenta6d37024de02e7cb2b2333e438e71355a9c32a0a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (25 commits) smc91c92_cs: define multicast_table as unsigned char can: avoids a false warning e1000e: stop cleaning when we reach tx_ring->next_to_use igb: restrict WoL for 82576 ET2 Quad Port Server Adapter virtio_net: missing sg_init_table Revert "tcp: Set CHECKSUM_UNNECESSARY in tcp_init_nondata_skb" iwlwifi: need check for valid qos packet before free tcp: Set CHECKSUM_UNNECESSARY in tcp_init_nondata_skb udp: fix for unicast RX path optimization myri10ge: fix rx_pause in myri10ge_set_pauseparam net: corrected documentation for hardware time stamping stmmac: use resource_size() x.25 attempts to negotiate invalid throughput x25: Patch to fix bug 15678 - x25 accesses fields beyond end of packet. bridge: Fix IGMP3 report parsing cnic: Fix crash during bnx2x MTU change. qlcnic: fix set mac addr r6040: fix r6040_multicast_list vhost-net: fix vq_memory_access_ok error checking ath9k: fix double calls to ath_radio_enable ...
Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_multicast.c2
-rw-r--r--net/can/raw.c2
-rw-r--r--net/ipv4/udp.c4
-rw-r--r--net/ipv6/udp.c4
-rw-r--r--net/mac80211/main.c4
-rw-r--r--net/mac80211/mesh.c3
-rw-r--r--net/mac80211/rx.c5
-rw-r--r--net/mac80211/sta_info.c20
-rw-r--r--net/x25/af_x25.c67
-rw-r--r--net/x25/x25_facilities.c27
-rw-r--r--net/x25/x25_in.c15
11 files changed, 125 insertions, 28 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 6980625537ca..f29ada827a6a 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -723,7 +723,7 @@ static int br_multicast_igmp3_report(struct net_bridge *br,
723 if (!pskb_may_pull(skb, len)) 723 if (!pskb_may_pull(skb, len))
724 return -EINVAL; 724 return -EINVAL;
725 725
726 grec = (void *)(skb->data + len); 726 grec = (void *)(skb->data + len - sizeof(*grec));
727 group = grec->grec_mca; 727 group = grec->grec_mca;
728 type = grec->grec_type; 728 type = grec->grec_type;
729 729
diff --git a/net/can/raw.c b/net/can/raw.c
index 3a7dffb6519c..da99cf153b33 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -445,7 +445,7 @@ static int raw_setsockopt(struct socket *sock, int level, int optname,
445 return -EFAULT; 445 return -EFAULT;
446 } 446 }
447 } else if (count == 1) { 447 } else if (count == 1) {
448 if (copy_from_user(&sfilter, optval, optlen)) 448 if (copy_from_user(&sfilter, optval, sizeof(sfilter)))
449 return -EFAULT; 449 return -EFAULT;
450 } 450 }
451 451
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 954bbfb39dff..8fef859db35d 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -472,8 +472,8 @@ static struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,
472 if (hslot->count < hslot2->count) 472 if (hslot->count < hslot2->count)
473 goto begin; 473 goto begin;
474 474
475 result = udp4_lib_lookup2(net, INADDR_ANY, sport, 475 result = udp4_lib_lookup2(net, saddr, sport,
476 daddr, hnum, dif, 476 INADDR_ANY, hnum, dif,
477 hslot2, slot2); 477 hslot2, slot2);
478 } 478 }
479 rcu_read_unlock(); 479 rcu_read_unlock();
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index c177aea88c0b..90824852f598 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -259,8 +259,8 @@ static struct sock *__udp6_lib_lookup(struct net *net,
259 if (hslot->count < hslot2->count) 259 if (hslot->count < hslot2->count)
260 goto begin; 260 goto begin;
261 261
262 result = udp6_lib_lookup2(net, &in6addr_any, sport, 262 result = udp6_lib_lookup2(net, saddr, sport,
263 daddr, hnum, dif, 263 &in6addr_any, hnum, dif,
264 hslot2, slot2); 264 hslot2, slot2);
265 } 265 }
266 rcu_read_unlock(); 266 rcu_read_unlock();
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 06c33b68d8e5..b887e484ae04 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -225,11 +225,11 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
225 switch (sdata->vif.type) { 225 switch (sdata->vif.type) {
226 case NL80211_IFTYPE_AP: 226 case NL80211_IFTYPE_AP:
227 sdata->vif.bss_conf.enable_beacon = 227 sdata->vif.bss_conf.enable_beacon =
228 !!rcu_dereference(sdata->u.ap.beacon); 228 !!sdata->u.ap.beacon;
229 break; 229 break;
230 case NL80211_IFTYPE_ADHOC: 230 case NL80211_IFTYPE_ADHOC:
231 sdata->vif.bss_conf.enable_beacon = 231 sdata->vif.bss_conf.enable_beacon =
232 !!rcu_dereference(sdata->u.ibss.presp); 232 !!sdata->u.ibss.presp;
233 break; 233 break;
234 case NL80211_IFTYPE_MESH_POINT: 234 case NL80211_IFTYPE_MESH_POINT:
235 sdata->vif.bss_conf.enable_beacon = true; 235 sdata->vif.bss_conf.enable_beacon = true;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 58e3e3a61d99..859ee5f3d941 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -750,9 +750,6 @@ ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
750 750
751 switch (fc & IEEE80211_FCTL_STYPE) { 751 switch (fc & IEEE80211_FCTL_STYPE) {
752 case IEEE80211_STYPE_ACTION: 752 case IEEE80211_STYPE_ACTION:
753 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
754 return RX_DROP_MONITOR;
755 /* fall through */
756 case IEEE80211_STYPE_PROBE_RESP: 753 case IEEE80211_STYPE_PROBE_RESP:
757 case IEEE80211_STYPE_BEACON: 754 case IEEE80211_STYPE_BEACON:
758 skb_queue_tail(&ifmsh->skb_queue, skb); 755 skb_queue_tail(&ifmsh->skb_queue, skb);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f0accf622cd7..04ea07f0e78a 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1974,6 +1974,11 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
1974 goto handled; 1974 goto handled;
1975 } 1975 }
1976 break; 1976 break;
1977 case MESH_PLINK_CATEGORY:
1978 case MESH_PATH_SEL_CATEGORY:
1979 if (ieee80211_vif_is_mesh(&sdata->vif))
1980 return ieee80211_mesh_rx_mgmt(sdata, rx->skb);
1981 break;
1977 } 1982 }
1978 1983
1979 /* 1984 /*
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 56422d894351..fb12cec4d333 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -93,12 +93,18 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
93 struct ieee80211_local *local = sdata->local; 93 struct ieee80211_local *local = sdata->local;
94 struct sta_info *sta; 94 struct sta_info *sta;
95 95
96 sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]); 96 sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)],
97 rcu_read_lock_held() ||
98 lockdep_is_held(&local->sta_lock) ||
99 lockdep_is_held(&local->sta_mtx));
97 while (sta) { 100 while (sta) {
98 if (sta->sdata == sdata && 101 if (sta->sdata == sdata &&
99 memcmp(sta->sta.addr, addr, ETH_ALEN) == 0) 102 memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
100 break; 103 break;
101 sta = rcu_dereference(sta->hnext); 104 sta = rcu_dereference_check(sta->hnext,
105 rcu_read_lock_held() ||
106 lockdep_is_held(&local->sta_lock) ||
107 lockdep_is_held(&local->sta_mtx));
102 } 108 }
103 return sta; 109 return sta;
104} 110}
@@ -113,13 +119,19 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
113 struct ieee80211_local *local = sdata->local; 119 struct ieee80211_local *local = sdata->local;
114 struct sta_info *sta; 120 struct sta_info *sta;
115 121
116 sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]); 122 sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)],
123 rcu_read_lock_held() ||
124 lockdep_is_held(&local->sta_lock) ||
125 lockdep_is_held(&local->sta_mtx));
117 while (sta) { 126 while (sta) {
118 if ((sta->sdata == sdata || 127 if ((sta->sdata == sdata ||
119 sta->sdata->bss == sdata->bss) && 128 sta->sdata->bss == sdata->bss) &&
120 memcmp(sta->sta.addr, addr, ETH_ALEN) == 0) 129 memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
121 break; 130 break;
122 sta = rcu_dereference(sta->hnext); 131 sta = rcu_dereference_check(sta->hnext,
132 rcu_read_lock_held() ||
133 lockdep_is_held(&local->sta_lock) ||
134 lockdep_is_held(&local->sta_mtx));
123 } 135 }
124 return sta; 136 return sta;
125} 137}
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index e56f711baccc..cbddd0cb83f1 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -83,6 +83,41 @@ struct compat_x25_subscrip_struct {
83}; 83};
84#endif 84#endif
85 85
86
87int x25_parse_address_block(struct sk_buff *skb,
88 struct x25_address *called_addr,
89 struct x25_address *calling_addr)
90{
91 unsigned char len;
92 int needed;
93 int rc;
94
95 if (skb->len < 1) {
96 /* packet has no address block */
97 rc = 0;
98 goto empty;
99 }
100
101 len = *skb->data;
102 needed = 1 + (len >> 4) + (len & 0x0f);
103
104 if (skb->len < needed) {
105 /* packet is too short to hold the addresses it claims
106 to hold */
107 rc = -1;
108 goto empty;
109 }
110
111 return x25_addr_ntoa(skb->data, called_addr, calling_addr);
112
113empty:
114 *called_addr->x25_addr = 0;
115 *calling_addr->x25_addr = 0;
116
117 return rc;
118}
119
120
86int x25_addr_ntoa(unsigned char *p, struct x25_address *called_addr, 121int x25_addr_ntoa(unsigned char *p, struct x25_address *called_addr,
87 struct x25_address *calling_addr) 122 struct x25_address *calling_addr)
88{ 123{
@@ -554,7 +589,8 @@ static int x25_create(struct net *net, struct socket *sock, int protocol,
554 x25->facilities.winsize_out = X25_DEFAULT_WINDOW_SIZE; 589 x25->facilities.winsize_out = X25_DEFAULT_WINDOW_SIZE;
555 x25->facilities.pacsize_in = X25_DEFAULT_PACKET_SIZE; 590 x25->facilities.pacsize_in = X25_DEFAULT_PACKET_SIZE;
556 x25->facilities.pacsize_out = X25_DEFAULT_PACKET_SIZE; 591 x25->facilities.pacsize_out = X25_DEFAULT_PACKET_SIZE;
557 x25->facilities.throughput = X25_DEFAULT_THROUGHPUT; 592 x25->facilities.throughput = 0; /* by default don't negotiate
593 throughput */
558 x25->facilities.reverse = X25_DEFAULT_REVERSE; 594 x25->facilities.reverse = X25_DEFAULT_REVERSE;
559 x25->dte_facilities.calling_len = 0; 595 x25->dte_facilities.calling_len = 0;
560 x25->dte_facilities.called_len = 0; 596 x25->dte_facilities.called_len = 0;
@@ -922,16 +958,26 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb,
922 /* 958 /*
923 * Extract the X.25 addresses and convert them to ASCII strings, 959 * Extract the X.25 addresses and convert them to ASCII strings,
924 * and remove them. 960 * and remove them.
961 *
962 * Address block is mandatory in call request packets
925 */ 963 */
926 addr_len = x25_addr_ntoa(skb->data, &source_addr, &dest_addr); 964 addr_len = x25_parse_address_block(skb, &source_addr, &dest_addr);
965 if (addr_len <= 0)
966 goto out_clear_request;
927 skb_pull(skb, addr_len); 967 skb_pull(skb, addr_len);
928 968
929 /* 969 /*
930 * Get the length of the facilities, skip past them for the moment 970 * Get the length of the facilities, skip past them for the moment
931 * get the call user data because this is needed to determine 971 * get the call user data because this is needed to determine
932 * the correct listener 972 * the correct listener
973 *
974 * Facilities length is mandatory in call request packets
933 */ 975 */
976 if (skb->len < 1)
977 goto out_clear_request;
934 len = skb->data[0] + 1; 978 len = skb->data[0] + 1;
979 if (skb->len < len)
980 goto out_clear_request;
935 skb_pull(skb,len); 981 skb_pull(skb,len);
936 982
937 /* 983 /*
@@ -1415,9 +1461,20 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
1415 if (facilities.winsize_in < 1 || 1461 if (facilities.winsize_in < 1 ||
1416 facilities.winsize_in > 127) 1462 facilities.winsize_in > 127)
1417 break; 1463 break;
1418 if (facilities.throughput < 0x03 || 1464 if (facilities.throughput) {
1419 facilities.throughput > 0xDD) 1465 int out = facilities.throughput & 0xf0;
1420 break; 1466 int in = facilities.throughput & 0x0f;
1467 if (!out)
1468 facilities.throughput |=
1469 X25_DEFAULT_THROUGHPUT << 4;
1470 else if (out < 0x30 || out > 0xD0)
1471 break;
1472 if (!in)
1473 facilities.throughput |=
1474 X25_DEFAULT_THROUGHPUT;
1475 else if (in < 0x03 || in > 0x0D)
1476 break;
1477 }
1421 if (facilities.reverse && 1478 if (facilities.reverse &&
1422 (facilities.reverse & 0x81) != 0x81) 1479 (facilities.reverse & 0x81) != 0x81)
1423 break; 1480 break;
diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c
index a21f6646eb3a..771bab00754b 100644
--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -35,7 +35,7 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
35 struct x25_dte_facilities *dte_facs, unsigned long *vc_fac_mask) 35 struct x25_dte_facilities *dte_facs, unsigned long *vc_fac_mask)
36{ 36{
37 unsigned char *p = skb->data; 37 unsigned char *p = skb->data;
38 unsigned int len = *p++; 38 unsigned int len;
39 39
40 *vc_fac_mask = 0; 40 *vc_fac_mask = 0;
41 41
@@ -50,6 +50,14 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
50 memset(dte_facs->called_ae, '\0', sizeof(dte_facs->called_ae)); 50 memset(dte_facs->called_ae, '\0', sizeof(dte_facs->called_ae));
51 memset(dte_facs->calling_ae, '\0', sizeof(dte_facs->calling_ae)); 51 memset(dte_facs->calling_ae, '\0', sizeof(dte_facs->calling_ae));
52 52
53 if (skb->len < 1)
54 return 0;
55
56 len = *p++;
57
58 if (len >= skb->len)
59 return -1;
60
53 while (len > 0) { 61 while (len > 0) {
54 switch (*p & X25_FAC_CLASS_MASK) { 62 switch (*p & X25_FAC_CLASS_MASK) {
55 case X25_FAC_CLASS_A: 63 case X25_FAC_CLASS_A:
@@ -247,6 +255,8 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk,
247 memcpy(new, ours, sizeof(*new)); 255 memcpy(new, ours, sizeof(*new));
248 256
249 len = x25_parse_facilities(skb, &theirs, dte, &x25->vc_facil_mask); 257 len = x25_parse_facilities(skb, &theirs, dte, &x25->vc_facil_mask);
258 if (len < 0)
259 return len;
250 260
251 /* 261 /*
252 * They want reverse charging, we won't accept it. 262 * They want reverse charging, we won't accept it.
@@ -259,9 +269,18 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk,
259 new->reverse = theirs.reverse; 269 new->reverse = theirs.reverse;
260 270
261 if (theirs.throughput) { 271 if (theirs.throughput) {
262 if (theirs.throughput < ours->throughput) { 272 int theirs_in = theirs.throughput & 0x0f;
263 SOCK_DEBUG(sk, "X.25: throughput negotiated down\n"); 273 int theirs_out = theirs.throughput & 0xf0;
264 new->throughput = theirs.throughput; 274 int ours_in = ours->throughput & 0x0f;
275 int ours_out = ours->throughput & 0xf0;
276 if (!ours_in || theirs_in < ours_in) {
277 SOCK_DEBUG(sk, "X.25: inbound throughput negotiated\n");
278 new->throughput = (new->throughput & 0xf0) | theirs_in;
279 }
280 if (!ours_out || theirs_out < ours_out) {
281 SOCK_DEBUG(sk,
282 "X.25: outbound throughput negotiated\n");
283 new->throughput = (new->throughput & 0x0f) | theirs_out;
265 } 284 }
266 } 285 }
267 286
diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c
index a31b3b9e5966..372ac226e648 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -90,6 +90,7 @@ static int x25_queue_rx_frame(struct sock *sk, struct sk_buff *skb, int more)
90static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametype) 90static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametype)
91{ 91{
92 struct x25_address source_addr, dest_addr; 92 struct x25_address source_addr, dest_addr;
93 int len;
93 94
94 switch (frametype) { 95 switch (frametype) {
95 case X25_CALL_ACCEPTED: { 96 case X25_CALL_ACCEPTED: {
@@ -107,11 +108,17 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
107 * Parse the data in the frame. 108 * Parse the data in the frame.
108 */ 109 */
109 skb_pull(skb, X25_STD_MIN_LEN); 110 skb_pull(skb, X25_STD_MIN_LEN);
110 skb_pull(skb, x25_addr_ntoa(skb->data, &source_addr, &dest_addr)); 111
111 skb_pull(skb, 112 len = x25_parse_address_block(skb, &source_addr,
112 x25_parse_facilities(skb, &x25->facilities, 113 &dest_addr);
114 if (len > 0)
115 skb_pull(skb, len);
116
117 len = x25_parse_facilities(skb, &x25->facilities,
113 &x25->dte_facilities, 118 &x25->dte_facilities,
114 &x25->vc_facil_mask)); 119 &x25->vc_facil_mask);
120 if (len > 0)
121 skb_pull(skb, len);
115 /* 122 /*
116 * Copy any Call User Data. 123 * Copy any Call User Data.
117 */ 124 */