diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-13 11:32:48 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-13 11:32:48 -0700 |
commit | 465de2ba71f5048341e0109f3f6c4d7dc65d9754 (patch) | |
tree | 59dbc051958e48859030f31f46b028808ab2681b /net | |
parent | 0d0fb0f9c5fddef4a10242fe3337f00f528a3099 (diff) | |
parent | a6d37024de02e7cb2b2333e438e71355a9c32a0a (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.c | 2 | ||||
-rw-r--r-- | net/can/raw.c | 2 | ||||
-rw-r--r-- | net/ipv4/udp.c | 4 | ||||
-rw-r--r-- | net/ipv6/udp.c | 4 | ||||
-rw-r--r-- | net/mac80211/main.c | 4 | ||||
-rw-r--r-- | net/mac80211/mesh.c | 3 | ||||
-rw-r--r-- | net/mac80211/rx.c | 5 | ||||
-rw-r--r-- | net/mac80211/sta_info.c | 20 | ||||
-rw-r--r-- | net/x25/af_x25.c | 67 | ||||
-rw-r--r-- | net/x25/x25_facilities.c | 27 | ||||
-rw-r--r-- | net/x25/x25_in.c | 15 |
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, if (!pskb_may_pull(skb, len)) return -EINVAL; - grec = (void *)(skb->data + len); + grec = (void *)(skb->data + len - sizeof(*grec)); group = grec->grec_mca; type = grec->grec_type; 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, return -EFAULT; } } else if (count == 1) { - if (copy_from_user(&sfilter, optval, optlen)) + if (copy_from_user(&sfilter, optval, sizeof(sfilter))) return -EFAULT; } 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, if (hslot->count < hslot2->count) goto begin; - result = udp4_lib_lookup2(net, INADDR_ANY, sport, - daddr, hnum, dif, + result = udp4_lib_lookup2(net, saddr, sport, + INADDR_ANY, hnum, dif, hslot2, slot2); } 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, if (hslot->count < hslot2->count) goto begin; - result = udp6_lib_lookup2(net, &in6addr_any, sport, - daddr, hnum, dif, + result = udp6_lib_lookup2(net, saddr, sport, + &in6addr_any, hnum, dif, hslot2, slot2); } 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, switch (sdata->vif.type) { case NL80211_IFTYPE_AP: sdata->vif.bss_conf.enable_beacon = - !!rcu_dereference(sdata->u.ap.beacon); + !!sdata->u.ap.beacon; break; case NL80211_IFTYPE_ADHOC: sdata->vif.bss_conf.enable_beacon = - !!rcu_dereference(sdata->u.ibss.presp); + !!sdata->u.ibss.presp; break; case NL80211_IFTYPE_MESH_POINT: 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) switch (fc & IEEE80211_FCTL_STYPE) { case IEEE80211_STYPE_ACTION: - if (skb->len < IEEE80211_MIN_ACTION_SIZE) - return RX_DROP_MONITOR; - /* fall through */ case IEEE80211_STYPE_PROBE_RESP: case IEEE80211_STYPE_BEACON: 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) goto handled; } break; + case MESH_PLINK_CATEGORY: + case MESH_PATH_SEL_CATEGORY: + if (ieee80211_vif_is_mesh(&sdata->vif)) + return ieee80211_mesh_rx_mgmt(sdata, rx->skb); + break; } /* 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, struct ieee80211_local *local = sdata->local; struct sta_info *sta; - sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]); + sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)], + rcu_read_lock_held() || + lockdep_is_held(&local->sta_lock) || + lockdep_is_held(&local->sta_mtx)); while (sta) { if (sta->sdata == sdata && memcmp(sta->sta.addr, addr, ETH_ALEN) == 0) break; - sta = rcu_dereference(sta->hnext); + sta = rcu_dereference_check(sta->hnext, + rcu_read_lock_held() || + lockdep_is_held(&local->sta_lock) || + lockdep_is_held(&local->sta_mtx)); } return sta; } @@ -113,13 +119,19 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; struct sta_info *sta; - sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]); + sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)], + rcu_read_lock_held() || + lockdep_is_held(&local->sta_lock) || + lockdep_is_held(&local->sta_mtx)); while (sta) { if ((sta->sdata == sdata || sta->sdata->bss == sdata->bss) && memcmp(sta->sta.addr, addr, ETH_ALEN) == 0) break; - sta = rcu_dereference(sta->hnext); + sta = rcu_dereference_check(sta->hnext, + rcu_read_lock_held() || + lockdep_is_held(&local->sta_lock) || + lockdep_is_held(&local->sta_mtx)); } return sta; } 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 { }; #endif + +int x25_parse_address_block(struct sk_buff *skb, + struct x25_address *called_addr, + struct x25_address *calling_addr) +{ + unsigned char len; + int needed; + int rc; + + if (skb->len < 1) { + /* packet has no address block */ + rc = 0; + goto empty; + } + + len = *skb->data; + needed = 1 + (len >> 4) + (len & 0x0f); + + if (skb->len < needed) { + /* packet is too short to hold the addresses it claims + to hold */ + rc = -1; + goto empty; + } + + return x25_addr_ntoa(skb->data, called_addr, calling_addr); + +empty: + *called_addr->x25_addr = 0; + *calling_addr->x25_addr = 0; + + return rc; +} + + int x25_addr_ntoa(unsigned char *p, struct x25_address *called_addr, struct x25_address *calling_addr) { @@ -554,7 +589,8 @@ static int x25_create(struct net *net, struct socket *sock, int protocol, x25->facilities.winsize_out = X25_DEFAULT_WINDOW_SIZE; x25->facilities.pacsize_in = X25_DEFAULT_PACKET_SIZE; x25->facilities.pacsize_out = X25_DEFAULT_PACKET_SIZE; - x25->facilities.throughput = X25_DEFAULT_THROUGHPUT; + x25->facilities.throughput = 0; /* by default don't negotiate + throughput */ x25->facilities.reverse = X25_DEFAULT_REVERSE; x25->dte_facilities.calling_len = 0; x25->dte_facilities.called_len = 0; @@ -922,16 +958,26 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb, /* * Extract the X.25 addresses and convert them to ASCII strings, * and remove them. + * + * Address block is mandatory in call request packets */ - addr_len = x25_addr_ntoa(skb->data, &source_addr, &dest_addr); + addr_len = x25_parse_address_block(skb, &source_addr, &dest_addr); + if (addr_len <= 0) + goto out_clear_request; skb_pull(skb, addr_len); /* * Get the length of the facilities, skip past them for the moment * get the call user data because this is needed to determine * the correct listener + * + * Facilities length is mandatory in call request packets */ + if (skb->len < 1) + goto out_clear_request; len = skb->data[0] + 1; + if (skb->len < len) + goto out_clear_request; skb_pull(skb,len); /* @@ -1415,9 +1461,20 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) if (facilities.winsize_in < 1 || facilities.winsize_in > 127) break; - if (facilities.throughput < 0x03 || - facilities.throughput > 0xDD) - break; + if (facilities.throughput) { + int out = facilities.throughput & 0xf0; + int in = facilities.throughput & 0x0f; + if (!out) + facilities.throughput |= + X25_DEFAULT_THROUGHPUT << 4; + else if (out < 0x30 || out > 0xD0) + break; + if (!in) + facilities.throughput |= + X25_DEFAULT_THROUGHPUT; + else if (in < 0x03 || in > 0x0D) + break; + } if (facilities.reverse && (facilities.reverse & 0x81) != 0x81) 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, struct x25_dte_facilities *dte_facs, unsigned long *vc_fac_mask) { unsigned char *p = skb->data; - unsigned int len = *p++; + unsigned int len; *vc_fac_mask = 0; @@ -50,6 +50,14 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities, memset(dte_facs->called_ae, '\0', sizeof(dte_facs->called_ae)); memset(dte_facs->calling_ae, '\0', sizeof(dte_facs->calling_ae)); + if (skb->len < 1) + return 0; + + len = *p++; + + if (len >= skb->len) + return -1; + while (len > 0) { switch (*p & X25_FAC_CLASS_MASK) { case X25_FAC_CLASS_A: @@ -247,6 +255,8 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk, memcpy(new, ours, sizeof(*new)); len = x25_parse_facilities(skb, &theirs, dte, &x25->vc_facil_mask); + if (len < 0) + return len; /* * They want reverse charging, we won't accept it. @@ -259,9 +269,18 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk, new->reverse = theirs.reverse; if (theirs.throughput) { - if (theirs.throughput < ours->throughput) { - SOCK_DEBUG(sk, "X.25: throughput negotiated down\n"); - new->throughput = theirs.throughput; + int theirs_in = theirs.throughput & 0x0f; + int theirs_out = theirs.throughput & 0xf0; + int ours_in = ours->throughput & 0x0f; + int ours_out = ours->throughput & 0xf0; + if (!ours_in || theirs_in < ours_in) { + SOCK_DEBUG(sk, "X.25: inbound throughput negotiated\n"); + new->throughput = (new->throughput & 0xf0) | theirs_in; + } + if (!ours_out || theirs_out < ours_out) { + SOCK_DEBUG(sk, + "X.25: outbound throughput negotiated\n"); + new->throughput = (new->throughput & 0x0f) | theirs_out; } } 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) static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametype) { struct x25_address source_addr, dest_addr; + int len; switch (frametype) { case X25_CALL_ACCEPTED: { @@ -107,11 +108,17 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp * Parse the data in the frame. */ skb_pull(skb, X25_STD_MIN_LEN); - skb_pull(skb, x25_addr_ntoa(skb->data, &source_addr, &dest_addr)); - skb_pull(skb, - x25_parse_facilities(skb, &x25->facilities, + + len = x25_parse_address_block(skb, &source_addr, + &dest_addr); + if (len > 0) + skb_pull(skb, len); + + len = x25_parse_facilities(skb, &x25->facilities, &x25->dte_facilities, - &x25->vc_facil_mask)); + &x25->vc_facil_mask); + if (len > 0) + skb_pull(skb, len); /* * Copy any Call User Data. */ |