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author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-21 07:53:05 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-21 07:53:05 -0700 |
commit | 76abf3e71c5a4d315ec95e23e5aedd15fbfcd6df (patch) | |
tree | 396d39575c2e1bb43f0e5794969814cdb2387909 | |
parent | d90d4392b395083a7d295b7cdf0edfd849d4c2a3 (diff) | |
parent | 7957aed72b104f7528da484f292442c6f3a131a1 (diff) | |
download | kernel_samsung_espresso10-76abf3e71c5a4d315ec95e23e5aedd15fbfcd6df.zip kernel_samsung_espresso10-76abf3e71c5a4d315ec95e23e5aedd15fbfcd6df.tar.gz kernel_samsung_espresso10-76abf3e71c5a4d315ec95e23e5aedd15fbfcd6df.tar.bz2 |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
-rw-r--r-- | net/ipv4/fib_trie.c | 15 | ||||
-rw-r--r-- | net/ipv4/tcp_minisocks.c | 2 | ||||
-rw-r--r-- | net/packet/af_packet.c | 65 |
3 files changed, 52 insertions, 30 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 90ae708..50c0519 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1086,7 +1086,7 @@ fib_insert_node(struct trie *t, int *err, u32 key, int plen) } if (tp && tp->pos + tp->bits > 32) - printk("ERROR tp=%p pos=%d, bits=%d, key=%0x plen=%d\n", + printk(KERN_WARNING "fib_trie tp=%p pos=%d, bits=%d, key=%0x plen=%d\n", tp, tp->pos, tp->bits, key, plen); /* Rebalance the trie */ @@ -1832,16 +1832,7 @@ static int fn_trie_dump_fa(t_key key, int plen, struct list_head *fah, struct fi i++; continue; } - if (fa->fa_info->fib_nh == NULL) { - printk("Trie error _fib_nh=NULL in fa[%d] k=%08x plen=%d\n", i, key, plen); - i++; - continue; - } - if (fa->fa_info == NULL) { - printk("Trie error fa_info=NULL in fa[%d] k=%08x plen=%d\n", i, key, plen); - i++; - continue; - } + BUG_ON(!fa->fa_info); if (fib_dump_info(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, @@ -1964,7 +1955,7 @@ struct fib_table * __init fib_hash_init(int id) trie_main = t; if (id == RT_TABLE_LOCAL) - printk("IPv4 FIB: Using LC-trie version %s\n", VERSION); + printk(KERN_INFO "IPv4 FIB: Using LC-trie version %s\n", VERSION); return tb; } diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index a88db28..b1a63b2 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -384,7 +384,7 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req, newtp->frto_counter = 0; newtp->frto_highmark = 0; - newicsk->icsk_ca_ops = &tcp_reno; + newicsk->icsk_ca_ops = &tcp_init_congestion_ops; tcp_set_ca_state(newsk, TCP_CA_Open); tcp_init_xmit_timers(newsk); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 8690f17..ee865d8 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -36,6 +36,11 @@ * Michal Ostrowski : Module initialization cleanup. * Ulises Alonso : Frame number limit removal and * packet_set_ring memory leak. + * Eric Biederman : Allow for > 8 byte hardware addresses. + * The convention is that longer addresses + * will simply extend the hardware address + * byte arrays at the end of sockaddr_ll + * and packet_mreq. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -161,7 +166,17 @@ struct packet_mclist int count; unsigned short type; unsigned short alen; - unsigned char addr[8]; + unsigned char addr[MAX_ADDR_LEN]; +}; +/* identical to struct packet_mreq except it has + * a longer address field. + */ +struct packet_mreq_max +{ + int mr_ifindex; + unsigned short mr_type; + unsigned short mr_alen; + unsigned char mr_address[MAX_ADDR_LEN]; }; #endif #ifdef CONFIG_PACKET_MMAP @@ -716,6 +731,8 @@ static int packet_sendmsg(struct kiocb *iocb, struct socket *sock, err = -EINVAL; if (msg->msg_namelen < sizeof(struct sockaddr_ll)) goto out; + if (msg->msg_namelen < (saddr->sll_halen + offsetof(struct sockaddr_ll, sll_addr))) + goto out; ifindex = saddr->sll_ifindex; proto = saddr->sll_protocol; addr = saddr->sll_addr; @@ -744,6 +761,12 @@ static int packet_sendmsg(struct kiocb *iocb, struct socket *sock, if (dev->hard_header) { int res; err = -EINVAL; + if (saddr) { + if (saddr->sll_halen != dev->addr_len) + goto out_free; + if (saddr->sll_hatype != dev->type) + goto out_free; + } res = dev->hard_header(skb, dev, ntohs(proto), addr, NULL, len); if (sock->type != SOCK_DGRAM) { skb->tail = skb->data; @@ -1045,6 +1068,7 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock, struct sock *sk = sock->sk; struct sk_buff *skb; int copied, err; + struct sockaddr_ll *sll; err = -EINVAL; if (flags & ~(MSG_PEEK|MSG_DONTWAIT|MSG_TRUNC|MSG_CMSG_COMPAT)) @@ -1057,16 +1081,6 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock, #endif /* - * If the address length field is there to be filled in, we fill - * it in now. - */ - - if (sock->type == SOCK_PACKET) - msg->msg_namelen = sizeof(struct sockaddr_pkt); - else - msg->msg_namelen = sizeof(struct sockaddr_ll); - - /* * Call the generic datagram receiver. This handles all sorts * of horrible races and re-entrancy so we can forget about it * in the protocol layers. @@ -1087,6 +1101,17 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock, goto out; /* + * If the address length field is there to be filled in, we fill + * it in now. + */ + + sll = (struct sockaddr_ll*)skb->cb; + if (sock->type == SOCK_PACKET) + msg->msg_namelen = sizeof(struct sockaddr_pkt); + else + msg->msg_namelen = sll->sll_halen + offsetof(struct sockaddr_ll, sll_addr); + + /* * You lose any data beyond the buffer you gave. If it worries a * user program they can ask the device for its MTU anyway. */ @@ -1166,7 +1191,7 @@ static int packet_getname(struct socket *sock, struct sockaddr *uaddr, sll->sll_hatype = 0; /* Bad: we have no ARPHRD_UNSPEC */ sll->sll_halen = 0; } - *uaddr_len = sizeof(*sll); + *uaddr_len = offsetof(struct sockaddr_ll, sll_addr) + sll->sll_halen; return 0; } @@ -1199,7 +1224,7 @@ static void packet_dev_mclist(struct net_device *dev, struct packet_mclist *i, i } } -static int packet_mc_add(struct sock *sk, struct packet_mreq *mreq) +static int packet_mc_add(struct sock *sk, struct packet_mreq_max *mreq) { struct packet_sock *po = pkt_sk(sk); struct packet_mclist *ml, *i; @@ -1249,7 +1274,7 @@ done: return err; } -static int packet_mc_drop(struct sock *sk, struct packet_mreq *mreq) +static int packet_mc_drop(struct sock *sk, struct packet_mreq_max *mreq) { struct packet_mclist *ml, **mlp; @@ -1315,11 +1340,17 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv case PACKET_ADD_MEMBERSHIP: case PACKET_DROP_MEMBERSHIP: { - struct packet_mreq mreq; - if (optlen<sizeof(mreq)) + struct packet_mreq_max mreq; + int len = optlen; + memset(&mreq, 0, sizeof(mreq)); + if (len < sizeof(struct packet_mreq)) return -EINVAL; - if (copy_from_user(&mreq,optval,sizeof(mreq))) + if (len > sizeof(mreq)) + len = sizeof(mreq); + if (copy_from_user(&mreq,optval,len)) return -EFAULT; + if (len < (mreq.mr_alen + offsetof(struct packet_mreq, mr_address))) + return -EINVAL; if (optname == PACKET_ADD_MEMBERSHIP) ret = packet_mc_add(sk, &mreq); else |