linux/net
Kuniyuki Iwashima 97b1d320f4 llc: Check netns in llc_estab_match() and llc_listener_match().
We will remove this restriction in llc_rcv() in the following patch,
which means that the protocol handler must be aware of netns.

        if (!net_eq(dev_net(dev), &init_net))
                goto drop;

llc_rcv() fetches llc_type_handlers[llc_pdu_type(skb) - 1] and calls it
if not NULL.

If the PDU type is LLC_DEST_CONN, llc_conn_handler() is called to pass
skb to corresponding sockets.  Then, we must look up a proper socket in
the same netns with skb->dev.

llc_conn_handler() calls __llc_lookup() to look up a established or
litening socket by __llc_lookup_established() and llc_lookup_listener().

Both functions iterate on a list and call llc_estab_match() or
llc_listener_match() to check if the socket is the correct destination.
However, these functions do not check netns.

Also, bind() and connect() call llc_establish_connection(), which
finally calls __llc_lookup_established(), to check if there is a
conflicting socket.

Let's test netns in llc_estab_match() and llc_listener_match().

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-07-20 10:46:28 +02:00
..
6lowpan 6lowpan: Remove redundant initialisation. 2023-03-29 08:22:52 +01:00
9p Including fixes from netfilter. 2023-05-05 19:12:01 -07:00
802
8021q vlan: fix a potential uninit-value in vlan_dev_hard_start_xmit() 2023-05-17 12:55:39 +01:00
appletalk sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
atm sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
ax25 sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
batman-adv batman-adv: Broken sync while rescheduling delayed work 2023-05-26 23:14:49 +02:00
bluetooth Bluetooth: hci_event: Fix parsing of CIS Established Event 2023-06-29 10:52:18 -07:00
bpf bpf: Move kernel test kfuncs to bpf_testmod 2023-05-16 22:09:24 -07:00
bpfilter net: Use umd_cleanup_helper() 2023-05-31 13:06:57 +02:00
bridge bridge: Add extack warning when enabling STP in netns. 2023-07-14 08:38:07 +01:00
caif sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
can can: bcm: Fix UAF in bcm_proc_show() 2023-07-17 09:46:26 +02:00
ceph libceph: Partially revert changes to support MSG_SPLICE_PAGES 2023-06-27 09:32:40 -07:00
core for-netdev 2023-07-12 18:13:57 -07:00
dcb
dccp sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
devlink devlink: report devlink_port_type_warn source device 2023-06-17 00:31:14 -07:00
dns_resolver
dsa net: dsa: sja1105: always enable the send_meta options 2023-07-04 19:42:27 +01:00
ethernet
ethtool net: create device lookup API with reference tracking 2023-06-15 08:21:11 +01:00
handshake Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-06-15 22:19:41 -07:00
hsr net: hsr: Disable promiscuous mode in offload mode 2023-06-21 16:47:05 -07:00
ieee802154 sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
ife
ipv4 Revert "tcp: avoid the lookup process failing to get sk in ehash table" 2023-07-19 20:57:40 -07:00
ipv6 net:ipv6: check return value of pskb_trim() 2023-07-19 12:25:58 +01:00
iucv net/iucv: Fix size of interrupt data 2023-03-16 17:34:40 -07:00
kcm sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
key sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
l2tp sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
l3mdev
lapb
llc llc: Check netns in llc_estab_match() and llc_listener_match(). 2023-07-20 10:46:28 +02:00
mac80211 - New Drivers 2023-07-03 11:26:05 -07:00
mac802154 Core WPAN changes: 2023-06-24 15:41:46 -07:00
mctp sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
mpls net: move gso declarations and functions to their own files 2023-06-10 00:11:41 -07:00
mptcp mptcp: do not rely on implicit state check in mptcp_listen() 2023-07-05 10:51:14 +01:00
ncsi net/ncsi: change from ndo_set_mac_address to dev_set_mac_address 2023-06-09 10:32:51 +01:00
netfilter netfilter pull request 23-07-06 2023-07-06 11:02:58 +02:00
netlabel netlabel: Reorder fields in 'struct netlbl_domaddr6_map' 2023-06-20 20:06:56 -07:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-06-27 09:45:22 -07:00
netrom sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-06-27 09:45:22 -07:00
nsh net: move gso declarations and functions to their own files 2023-06-10 00:11:41 -07:00
openvswitch net: openvswitch: add support for l4 symmetric hashing 2023-06-12 09:46:30 +01:00
packet sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
phonet sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
psample
qrtr Networking changes for 6.5. 2023-06-28 16:43:10 -07:00
rds sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
rfkill net: rfkill-gpio: Add explicit include for of.h 2023-04-06 20:36:27 +02:00
rose sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
rxrpc Networking changes for 6.5. 2023-06-28 16:43:10 -07:00
sched net: sched: cls_flower: Undo tcf_bind_filter in case of an error 2023-07-17 07:33:39 +01:00
sctp sctp: fix potential deadlock on &net->sctp.addr_wq_lock 2023-06-29 11:49:42 +02:00
smc smc: Drop smc_sendpage() in favour of smc_sendmsg() + MSG_SPLICE_PAGES 2023-06-24 15:50:12 -07:00
strparser
sunrpc NFS client updates for Linux 6.5 2023-07-01 14:38:25 -07:00
switchdev
tipc sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
tls net: Kill MSG_SENDPAGE_NOTLAST 2023-06-24 15:50:13 -07:00
unix net: scm: introduce and use scm_recv_unix helper 2023-06-27 10:50:22 -07:00
vmw_vsock sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
wireless wifi: cfg80211: fix receiving mesh packets without RFC1042 header 2023-07-12 18:03:40 -07:00
x25 sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
xdp xsk: Honor SO_BINDTODEVICE on bind 2023-07-04 10:19:48 +02:00
xfrm tcp_bpf, smc, tls, espintcp, siw: Reduce MSG_SENDPAGE_NOTLAST usage 2023-06-24 15:50:12 -07:00
compat.c net/compat: Update msg_control_is_user when setting a kernel pointer 2023-04-14 11:09:27 +01:00
devres.c
Kconfig net/core: Enable socket busy polling on -RT 2023-05-26 08:51:26 +01:00
Kconfig.debug
Makefile net/handshake: Create a NETLINK service for handling handshake requests 2023-04-19 18:48:48 -07:00
socket.c Networking changes for 6.5. 2023-06-28 16:43:10 -07:00
sysctl_net.c