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![Eric Dumazet](/assets/img/avatar_default.png)
syzbot reported a kernel infoleak [1] of 4 bytes.
After analysis, it turned out r->idiag_expires is not initialized
if inet_sctp_diag_fill() calls inet_diag_msg_common_fill()
Make sure to clear idiag_timer/idiag_retrans/idiag_expires
and let inet_diag_msg_sctpasoc_fill() fill them again if needed.
[1]
BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:121 [inline]
BUG: KMSAN: kernel-infoleak in copyout lib/iov_iter.c:154 [inline]
BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x6ef/0x25a0 lib/iov_iter.c:668
instrument_copy_to_user include/linux/instrumented.h:121 [inline]
copyout lib/iov_iter.c:154 [inline]
_copy_to_iter+0x6ef/0x25a0 lib/iov_iter.c:668
copy_to_iter include/linux/uio.h:162 [inline]
simple_copy_to_iter+0xf3/0x140 net/core/datagram.c:519
__skb_datagram_iter+0x2d5/0x11b0 net/core/datagram.c:425
skb_copy_datagram_iter+0xdc/0x270 net/core/datagram.c:533
skb_copy_datagram_msg include/linux/skbuff.h:3696 [inline]
netlink_recvmsg+0x669/0x1c80 net/netlink/af_netlink.c:1977
sock_recvmsg_nosec net/socket.c:948 [inline]
sock_recvmsg net/socket.c:966 [inline]
__sys_recvfrom+0x795/0xa10 net/socket.c:2097
__do_sys_recvfrom net/socket.c:2115 [inline]
__se_sys_recvfrom net/socket.c:2111 [inline]
__x64_sys_recvfrom+0x19d/0x210 net/socket.c:2111
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x44/0xae
Uninit was created at:
slab_post_alloc_hook mm/slab.h:737 [inline]
slab_alloc_node mm/slub.c:3247 [inline]
__kmalloc_node_track_caller+0xe0c/0x1510 mm/slub.c:4975
kmalloc_reserve net/core/skbuff.c:354 [inline]
__alloc_skb+0x545/0xf90 net/core/skbuff.c:426
alloc_skb include/linux/skbuff.h:1158 [inline]
netlink_dump+0x3e5/0x16c0 net/netlink/af_netlink.c:2248
__netlink_dump_start+0xcf8/0xe90 net/netlink/af_netlink.c:2373
netlink_dump_start include/linux/netlink.h:254 [inline]
inet_diag_handler_cmd+0x2e7/0x400 net/ipv4/inet_diag.c:1341
sock_diag_rcv_msg+0x24a/0x620
netlink_rcv_skb+0x40c/0x7e0 net/netlink/af_netlink.c:2494
sock_diag_rcv+0x63/0x80 net/core/sock_diag.c:277
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x1093/0x1360 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x14d9/0x1720 net/netlink/af_netlink.c:1919
sock_sendmsg_nosec net/socket.c:705 [inline]
sock_sendmsg net/socket.c:725 [inline]
sock_write_iter+0x594/0x690 net/socket.c:1061
do_iter_readv_writev+0xa7f/0xc70
do_iter_write+0x52c/0x1500 fs/read_write.c:851
vfs_writev fs/read_write.c:924 [inline]
do_writev+0x645/0xe00 fs/read_write.c:967
__do_sys_writev fs/read_write.c:1040 [inline]
__se_sys_writev fs/read_write.c:1037 [inline]
__x64_sys_writev+0xe5/0x120 fs/read_write.c:1037
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x44/0xae
Bytes 68-71 of 2508 are uninitialized
Memory access of size 2508 starts at ffff888114f9b000
Data copied to user address 00007f7fe09ff2e0
CPU: 1 PID: 3478 Comm: syz-executor306 Not tainted 5.17.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Fixes: 8f840e47f1
("sctp: add the sctp_diag.c file")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: Vlad Yasevich <vyasevich@gmail.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Reviewed-by: Xin Long <lucien.xin@gmail.com>
Link: https://lore.kernel.org/r/20220310001145.297371-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
531 lines
14 KiB
C
531 lines
14 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/* SCTP kernel implementation
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* (C) Copyright Red Hat Inc. 2017
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*
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* This file is part of the SCTP kernel implementation
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*
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* These functions implement sctp diag support.
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*
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* Please send any bug reports or fixes you make to the
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* email addresched(es):
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* lksctp developers <linux-sctp@vger.kernel.org>
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*
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* Written or modified by:
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* Xin Long <lucien.xin@gmail.com>
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*/
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#include <linux/module.h>
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#include <linux/inet_diag.h>
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#include <linux/sock_diag.h>
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#include <net/sctp/sctp.h>
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static void sctp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
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void *info);
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/* define some functions to make asoc/ep fill look clean */
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static void inet_diag_msg_sctpasoc_fill(struct inet_diag_msg *r,
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struct sock *sk,
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struct sctp_association *asoc)
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{
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union sctp_addr laddr, paddr;
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struct dst_entry *dst;
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struct timer_list *t3_rtx = &asoc->peer.primary_path->T3_rtx_timer;
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laddr = list_entry(asoc->base.bind_addr.address_list.next,
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struct sctp_sockaddr_entry, list)->a;
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paddr = asoc->peer.primary_path->ipaddr;
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dst = asoc->peer.primary_path->dst;
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r->idiag_family = sk->sk_family;
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r->id.idiag_sport = htons(asoc->base.bind_addr.port);
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r->id.idiag_dport = htons(asoc->peer.port);
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r->id.idiag_if = dst ? dst->dev->ifindex : 0;
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sock_diag_save_cookie(sk, r->id.idiag_cookie);
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#if IS_ENABLED(CONFIG_IPV6)
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if (sk->sk_family == AF_INET6) {
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*(struct in6_addr *)r->id.idiag_src = laddr.v6.sin6_addr;
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*(struct in6_addr *)r->id.idiag_dst = paddr.v6.sin6_addr;
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} else
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#endif
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{
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memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src));
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memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst));
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r->id.idiag_src[0] = laddr.v4.sin_addr.s_addr;
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r->id.idiag_dst[0] = paddr.v4.sin_addr.s_addr;
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}
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r->idiag_state = asoc->state;
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if (timer_pending(t3_rtx)) {
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r->idiag_timer = SCTP_EVENT_TIMEOUT_T3_RTX;
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r->idiag_retrans = asoc->rtx_data_chunks;
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r->idiag_expires = jiffies_to_msecs(t3_rtx->expires - jiffies);
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}
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}
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static int inet_diag_msg_sctpladdrs_fill(struct sk_buff *skb,
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struct list_head *address_list)
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{
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struct sctp_sockaddr_entry *laddr;
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int addrlen = sizeof(struct sockaddr_storage);
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int addrcnt = 0;
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struct nlattr *attr;
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void *info = NULL;
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list_for_each_entry_rcu(laddr, address_list, list)
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addrcnt++;
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attr = nla_reserve(skb, INET_DIAG_LOCALS, addrlen * addrcnt);
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if (!attr)
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return -EMSGSIZE;
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info = nla_data(attr);
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list_for_each_entry_rcu(laddr, address_list, list) {
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memcpy(info, &laddr->a, sizeof(laddr->a));
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memset(info + sizeof(laddr->a), 0, addrlen - sizeof(laddr->a));
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info += addrlen;
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}
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return 0;
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}
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static int inet_diag_msg_sctpaddrs_fill(struct sk_buff *skb,
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struct sctp_association *asoc)
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{
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int addrlen = sizeof(struct sockaddr_storage);
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struct sctp_transport *from;
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struct nlattr *attr;
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void *info = NULL;
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attr = nla_reserve(skb, INET_DIAG_PEERS,
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addrlen * asoc->peer.transport_count);
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if (!attr)
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return -EMSGSIZE;
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info = nla_data(attr);
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list_for_each_entry(from, &asoc->peer.transport_addr_list,
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transports) {
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memcpy(info, &from->ipaddr, sizeof(from->ipaddr));
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memset(info + sizeof(from->ipaddr), 0,
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addrlen - sizeof(from->ipaddr));
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info += addrlen;
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}
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return 0;
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}
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/* sctp asoc/ep fill*/
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static int inet_sctp_diag_fill(struct sock *sk, struct sctp_association *asoc,
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struct sk_buff *skb,
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const struct inet_diag_req_v2 *req,
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struct user_namespace *user_ns,
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int portid, u32 seq, u16 nlmsg_flags,
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const struct nlmsghdr *unlh,
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bool net_admin)
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{
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struct sctp_endpoint *ep = sctp_sk(sk)->ep;
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struct list_head *addr_list;
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struct inet_diag_msg *r;
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struct nlmsghdr *nlh;
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int ext = req->idiag_ext;
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struct sctp_infox infox;
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void *info = NULL;
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nlh = nlmsg_put(skb, portid, seq, unlh->nlmsg_type, sizeof(*r),
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nlmsg_flags);
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if (!nlh)
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return -EMSGSIZE;
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r = nlmsg_data(nlh);
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BUG_ON(!sk_fullsock(sk));
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r->idiag_timer = 0;
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r->idiag_retrans = 0;
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r->idiag_expires = 0;
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if (asoc) {
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inet_diag_msg_sctpasoc_fill(r, sk, asoc);
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} else {
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inet_diag_msg_common_fill(r, sk);
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r->idiag_state = sk->sk_state;
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}
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if (inet_diag_msg_attrs_fill(sk, skb, r, ext, user_ns, net_admin))
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goto errout;
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if (ext & (1 << (INET_DIAG_SKMEMINFO - 1))) {
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u32 mem[SK_MEMINFO_VARS];
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int amt;
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if (asoc && asoc->ep->sndbuf_policy)
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amt = asoc->sndbuf_used;
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else
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amt = sk_wmem_alloc_get(sk);
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mem[SK_MEMINFO_WMEM_ALLOC] = amt;
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if (asoc && asoc->ep->rcvbuf_policy)
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amt = atomic_read(&asoc->rmem_alloc);
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else
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amt = sk_rmem_alloc_get(sk);
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mem[SK_MEMINFO_RMEM_ALLOC] = amt;
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mem[SK_MEMINFO_RCVBUF] = sk->sk_rcvbuf;
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mem[SK_MEMINFO_SNDBUF] = sk->sk_sndbuf;
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mem[SK_MEMINFO_FWD_ALLOC] = sk->sk_forward_alloc;
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mem[SK_MEMINFO_WMEM_QUEUED] = sk->sk_wmem_queued;
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mem[SK_MEMINFO_OPTMEM] = atomic_read(&sk->sk_omem_alloc);
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mem[SK_MEMINFO_BACKLOG] = READ_ONCE(sk->sk_backlog.len);
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mem[SK_MEMINFO_DROPS] = atomic_read(&sk->sk_drops);
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if (nla_put(skb, INET_DIAG_SKMEMINFO, sizeof(mem), &mem) < 0)
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goto errout;
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}
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if (ext & (1 << (INET_DIAG_INFO - 1))) {
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struct nlattr *attr;
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attr = nla_reserve_64bit(skb, INET_DIAG_INFO,
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sizeof(struct sctp_info),
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INET_DIAG_PAD);
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if (!attr)
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goto errout;
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info = nla_data(attr);
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}
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infox.sctpinfo = (struct sctp_info *)info;
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infox.asoc = asoc;
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sctp_diag_get_info(sk, r, &infox);
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addr_list = asoc ? &asoc->base.bind_addr.address_list
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: &ep->base.bind_addr.address_list;
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if (inet_diag_msg_sctpladdrs_fill(skb, addr_list))
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goto errout;
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if (asoc && (ext & (1 << (INET_DIAG_CONG - 1))))
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if (nla_put_string(skb, INET_DIAG_CONG, "reno") < 0)
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goto errout;
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if (asoc && inet_diag_msg_sctpaddrs_fill(skb, asoc))
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goto errout;
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nlmsg_end(skb, nlh);
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return 0;
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errout:
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nlmsg_cancel(skb, nlh);
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return -EMSGSIZE;
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}
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/* callback and param */
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struct sctp_comm_param {
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struct sk_buff *skb;
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struct netlink_callback *cb;
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const struct inet_diag_req_v2 *r;
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const struct nlmsghdr *nlh;
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bool net_admin;
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};
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static size_t inet_assoc_attr_size(struct sctp_association *asoc)
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{
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int addrlen = sizeof(struct sockaddr_storage);
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int addrcnt = 0;
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struct sctp_sockaddr_entry *laddr;
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list_for_each_entry_rcu(laddr, &asoc->base.bind_addr.address_list,
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list)
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addrcnt++;
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return nla_total_size(sizeof(struct sctp_info))
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+ nla_total_size(addrlen * asoc->peer.transport_count)
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+ nla_total_size(addrlen * addrcnt)
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+ nla_total_size(sizeof(struct inet_diag_msg))
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+ inet_diag_msg_attrs_size()
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+ nla_total_size(sizeof(struct inet_diag_meminfo))
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+ 64;
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}
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static int sctp_sock_dump_one(struct sctp_endpoint *ep, struct sctp_transport *tsp, void *p)
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{
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struct sctp_association *assoc = tsp->asoc;
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struct sctp_comm_param *commp = p;
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struct sock *sk = ep->base.sk;
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const struct inet_diag_req_v2 *req = commp->r;
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struct sk_buff *skb = commp->skb;
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struct sk_buff *rep;
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int err;
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err = sock_diag_check_cookie(sk, req->id.idiag_cookie);
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if (err)
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return err;
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rep = nlmsg_new(inet_assoc_attr_size(assoc), GFP_KERNEL);
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if (!rep)
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return -ENOMEM;
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lock_sock(sk);
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if (ep != assoc->ep) {
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err = -EAGAIN;
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goto out;
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}
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err = inet_sctp_diag_fill(sk, assoc, rep, req, sk_user_ns(NETLINK_CB(skb).sk),
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NETLINK_CB(skb).portid, commp->nlh->nlmsg_seq, 0,
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commp->nlh, commp->net_admin);
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if (err < 0) {
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WARN_ON(err == -EMSGSIZE);
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goto out;
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}
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release_sock(sk);
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return nlmsg_unicast(sock_net(skb->sk)->diag_nlsk, rep, NETLINK_CB(skb).portid);
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out:
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release_sock(sk);
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kfree_skb(rep);
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return err;
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}
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static int sctp_sock_dump(struct sctp_endpoint *ep, struct sctp_transport *tsp, void *p)
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{
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struct sctp_comm_param *commp = p;
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struct sock *sk = ep->base.sk;
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struct sk_buff *skb = commp->skb;
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struct netlink_callback *cb = commp->cb;
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const struct inet_diag_req_v2 *r = commp->r;
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struct sctp_association *assoc;
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int err = 0;
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lock_sock(sk);
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if (ep != tsp->asoc->ep)
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goto release;
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list_for_each_entry(assoc, &ep->asocs, asocs) {
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if (cb->args[4] < cb->args[1])
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goto next;
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if (r->id.idiag_sport != htons(assoc->base.bind_addr.port) &&
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r->id.idiag_sport)
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goto next;
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if (r->id.idiag_dport != htons(assoc->peer.port) &&
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r->id.idiag_dport)
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goto next;
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|
|
|
if (!cb->args[3] &&
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inet_sctp_diag_fill(sk, NULL, skb, r,
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sk_user_ns(NETLINK_CB(cb->skb).sk),
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NETLINK_CB(cb->skb).portid,
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cb->nlh->nlmsg_seq,
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NLM_F_MULTI, cb->nlh,
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commp->net_admin) < 0) {
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err = 1;
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|
goto release;
|
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}
|
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cb->args[3] = 1;
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|
|
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if (inet_sctp_diag_fill(sk, assoc, skb, r,
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sk_user_ns(NETLINK_CB(cb->skb).sk),
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NETLINK_CB(cb->skb).portid,
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cb->nlh->nlmsg_seq, 0, cb->nlh,
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commp->net_admin) < 0) {
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err = 1;
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|
goto release;
|
|
}
|
|
next:
|
|
cb->args[4]++;
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|
}
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|
cb->args[1] = 0;
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cb->args[3] = 0;
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cb->args[4] = 0;
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|
release:
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release_sock(sk);
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return err;
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}
|
|
|
|
static int sctp_sock_filter(struct sctp_endpoint *ep, struct sctp_transport *tsp, void *p)
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|
{
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struct sctp_comm_param *commp = p;
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struct sock *sk = ep->base.sk;
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const struct inet_diag_req_v2 *r = commp->r;
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struct sctp_association *assoc =
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list_entry(ep->asocs.next, struct sctp_association, asocs);
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/* find the ep only once through the transports by this condition */
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if (tsp->asoc != assoc)
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return 0;
|
|
|
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if (r->sdiag_family != AF_UNSPEC && sk->sk_family != r->sdiag_family)
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return 0;
|
|
|
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return 1;
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}
|
|
|
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static int sctp_ep_dump(struct sctp_endpoint *ep, void *p)
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{
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struct sctp_comm_param *commp = p;
|
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struct sock *sk = ep->base.sk;
|
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struct sk_buff *skb = commp->skb;
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struct netlink_callback *cb = commp->cb;
|
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const struct inet_diag_req_v2 *r = commp->r;
|
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struct net *net = sock_net(skb->sk);
|
|
struct inet_sock *inet = inet_sk(sk);
|
|
int err = 0;
|
|
|
|
if (!net_eq(sock_net(sk), net))
|
|
goto out;
|
|
|
|
if (cb->args[4] < cb->args[1])
|
|
goto next;
|
|
|
|
if (!(r->idiag_states & TCPF_LISTEN) && !list_empty(&ep->asocs))
|
|
goto next;
|
|
|
|
if (r->sdiag_family != AF_UNSPEC &&
|
|
sk->sk_family != r->sdiag_family)
|
|
goto next;
|
|
|
|
if (r->id.idiag_sport != inet->inet_sport &&
|
|
r->id.idiag_sport)
|
|
goto next;
|
|
|
|
if (r->id.idiag_dport != inet->inet_dport &&
|
|
r->id.idiag_dport)
|
|
goto next;
|
|
|
|
if (inet_sctp_diag_fill(sk, NULL, skb, r,
|
|
sk_user_ns(NETLINK_CB(cb->skb).sk),
|
|
NETLINK_CB(cb->skb).portid,
|
|
cb->nlh->nlmsg_seq, NLM_F_MULTI,
|
|
cb->nlh, commp->net_admin) < 0) {
|
|
err = 2;
|
|
goto out;
|
|
}
|
|
next:
|
|
cb->args[4]++;
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
/* define the functions for sctp_diag_handler*/
|
|
static void sctp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
|
|
void *info)
|
|
{
|
|
struct sctp_infox *infox = (struct sctp_infox *)info;
|
|
|
|
if (infox->asoc) {
|
|
r->idiag_rqueue = atomic_read(&infox->asoc->rmem_alloc);
|
|
r->idiag_wqueue = infox->asoc->sndbuf_used;
|
|
} else {
|
|
r->idiag_rqueue = READ_ONCE(sk->sk_ack_backlog);
|
|
r->idiag_wqueue = READ_ONCE(sk->sk_max_ack_backlog);
|
|
}
|
|
if (infox->sctpinfo)
|
|
sctp_get_sctp_info(sk, infox->asoc, infox->sctpinfo);
|
|
}
|
|
|
|
static int sctp_diag_dump_one(struct netlink_callback *cb,
|
|
const struct inet_diag_req_v2 *req)
|
|
{
|
|
struct sk_buff *skb = cb->skb;
|
|
struct net *net = sock_net(skb->sk);
|
|
const struct nlmsghdr *nlh = cb->nlh;
|
|
union sctp_addr laddr, paddr;
|
|
struct sctp_comm_param commp = {
|
|
.skb = skb,
|
|
.r = req,
|
|
.nlh = nlh,
|
|
.net_admin = netlink_net_capable(skb, CAP_NET_ADMIN),
|
|
};
|
|
|
|
if (req->sdiag_family == AF_INET) {
|
|
laddr.v4.sin_port = req->id.idiag_sport;
|
|
laddr.v4.sin_addr.s_addr = req->id.idiag_src[0];
|
|
laddr.v4.sin_family = AF_INET;
|
|
|
|
paddr.v4.sin_port = req->id.idiag_dport;
|
|
paddr.v4.sin_addr.s_addr = req->id.idiag_dst[0];
|
|
paddr.v4.sin_family = AF_INET;
|
|
} else {
|
|
laddr.v6.sin6_port = req->id.idiag_sport;
|
|
memcpy(&laddr.v6.sin6_addr, req->id.idiag_src,
|
|
sizeof(laddr.v6.sin6_addr));
|
|
laddr.v6.sin6_family = AF_INET6;
|
|
|
|
paddr.v6.sin6_port = req->id.idiag_dport;
|
|
memcpy(&paddr.v6.sin6_addr, req->id.idiag_dst,
|
|
sizeof(paddr.v6.sin6_addr));
|
|
paddr.v6.sin6_family = AF_INET6;
|
|
}
|
|
|
|
return sctp_transport_lookup_process(sctp_sock_dump_one,
|
|
net, &laddr, &paddr, &commp);
|
|
}
|
|
|
|
static void sctp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
|
|
const struct inet_diag_req_v2 *r)
|
|
{
|
|
u32 idiag_states = r->idiag_states;
|
|
struct net *net = sock_net(skb->sk);
|
|
struct sctp_comm_param commp = {
|
|
.skb = skb,
|
|
.cb = cb,
|
|
.r = r,
|
|
.net_admin = netlink_net_capable(cb->skb, CAP_NET_ADMIN),
|
|
};
|
|
int pos = cb->args[2];
|
|
|
|
/* eps hashtable dumps
|
|
* args:
|
|
* 0 : if it will traversal listen sock
|
|
* 1 : to record the sock pos of this time's traversal
|
|
* 4 : to work as a temporary variable to traversal list
|
|
*/
|
|
if (cb->args[0] == 0) {
|
|
if (!(idiag_states & TCPF_LISTEN))
|
|
goto skip;
|
|
if (sctp_for_each_endpoint(sctp_ep_dump, &commp))
|
|
goto done;
|
|
skip:
|
|
cb->args[0] = 1;
|
|
cb->args[1] = 0;
|
|
cb->args[4] = 0;
|
|
}
|
|
|
|
/* asocs by transport hashtable dump
|
|
* args:
|
|
* 1 : to record the assoc pos of this time's traversal
|
|
* 2 : to record the transport pos of this time's traversal
|
|
* 3 : to mark if we have dumped the ep info of the current asoc
|
|
* 4 : to work as a temporary variable to traversal list
|
|
* 5 : to save the sk we get from travelsing the tsp list.
|
|
*/
|
|
if (!(idiag_states & ~(TCPF_LISTEN | TCPF_CLOSE)))
|
|
goto done;
|
|
|
|
sctp_transport_traverse_process(sctp_sock_filter, sctp_sock_dump,
|
|
net, &pos, &commp);
|
|
cb->args[2] = pos;
|
|
|
|
done:
|
|
cb->args[1] = cb->args[4];
|
|
cb->args[4] = 0;
|
|
}
|
|
|
|
static const struct inet_diag_handler sctp_diag_handler = {
|
|
.dump = sctp_diag_dump,
|
|
.dump_one = sctp_diag_dump_one,
|
|
.idiag_get_info = sctp_diag_get_info,
|
|
.idiag_type = IPPROTO_SCTP,
|
|
.idiag_info_size = sizeof(struct sctp_info),
|
|
};
|
|
|
|
static int __init sctp_diag_init(void)
|
|
{
|
|
return inet_diag_register(&sctp_diag_handler);
|
|
}
|
|
|
|
static void __exit sctp_diag_exit(void)
|
|
{
|
|
inet_diag_unregister(&sctp_diag_handler);
|
|
}
|
|
|
|
module_init(sctp_diag_init);
|
|
module_exit(sctp_diag_exit);
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_SOCK_DIAG, 2-132);
|