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linux/net/bridge
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Nikolay Aleksandrov 000b7287b6 net: bridge: multicast: fix MRD advertisement router port marking race 
When an MRD advertisement is received on a bridge port with multicast
snooping enabled, we mark it as a router port automatically, that
includes adding that port to the router port list. The multicast lock
protects that list, but it is not acquired in the MRD advertisement case
leading to a race condition, we need to take it to fix the race.

Cc: stable@vger.kernel.org
Cc: linus.luessing@c0d3.blue
Fixes: 4b3087c7e3 ("bridge: Snoop Multicast Router Advertisements")
Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-11 12:11:06 -07:00
..
netfilter netfilter: allow to turn off xtables compat layer 2021-04-26 18:16:56 +02:00
br_arp_nd_proxy.c net: bridge: when suppression is enabled exclude RARP packets 2021-03-22 13:30:24 -07:00
br_cfm_netlink.c bridge: cfm: Netlink Notifications. 2020-10-29 18:39:44 -07:00
br_cfm.c bridge: cfm: remove redundant return 2021-06-22 10:35:15 -07:00
br_device.c netfilter: flowtable: bridge vlan hardware offload and switchdev 2021-03-24 12:48:39 -07:00
br_fdb.c net: bridge: allow br_fdb_replay to be called for the bridge device 2021-06-29 10:46:23 -07:00
br_forward.c net: bridge: mcast: add wrappers for router node retrieval 2021-05-13 14:04:31 -07:00
br_if.c net: bridge: sync fdb to new unicast-filtering ports 2021-07-02 13:34:07 -07:00
br_input.c net: bridge: mcast: prepare is-router function for mcast router split 2021-05-13 14:04:31 -07:00
br_ioctl.c net: bridge: delete duplicated words 2020-09-18 14:12:43 -07:00
br_mdb.c net: bridge: allow the switchdev replay functions to be called for deletion 2021-06-28 14:09:03 -07:00
br_mrp_netlink.c bridge: mrp: Use hlist_head instead of list_head for mrp 2020-11-09 16:42:12 -08:00
br_mrp_switchdev.c bridge: mrp: Extend br_mrp_switchdev to detect better the errors 2021-02-16 14:47:46 -08:00
br_mrp.c net: bridge: mrp: Update the Test frames for MRA 2021-06-28 15:46:10 -07:00
br_multicast_eht.c net: bridge: mcast: factor out common allow/block EHT handling 2021-03-16 11:57:57 -07:00
br_multicast.c net: bridge: multicast: fix MRD advertisement router port marking race 2021-07-11 12:11:06 -07:00
br_netfilter_hooks.c netfilter: bridge: reset skb->pkt_type after NF_INET_POST_ROUTING traversal 2020-11-28 11:46:51 -08:00
br_netfilter_ipv6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-06-25 01:32:59 +02:00
br_netlink_tunnel.c net: bridge: notify on vlan tunnel changes done via the old api 2020-07-12 15:18:24 -07:00
br_netlink.c net: bridge: remove redundant assignment 2021-05-25 15:20:27 -07:00
br_nf_core.c net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2019-12-24 22:28:54 -08:00
br_private_cfm.h bridge: cfm: Kernel space implementation of CFM. CCM frame RX added. 2020-10-29 18:39:43 -07:00
br_private_mcast_eht.h net: bridge: multicast: make tracked EHT hosts limit configurable 2021-01-27 17:40:35 -08:00
br_private_mrp.h net: bridge: mrp: Update the Test frames for MRA 2021-06-28 15:46:10 -07:00
br_private_stp.h
br_private_tunnel.h net: bridge: vlan options: add support for tunnel mapping set/del 2020-03-17 22:47:12 -07:00
br_private.h net: bridge: switchdev: send FDB notifications for host addresses 2021-06-29 10:46:23 -07:00
br_stp_bpdu.c net: bridge: add STP xstats 2019-12-14 20:02:36 -08:00
br_stp_if.c net: remove newlines in NL_SET_ERR_MSG_MOD 2020-05-07 17:56:14 -07:00
br_stp_timer.c
br_stp.c net: bridge: constify variables in the replay helpers 2021-06-28 14:09:03 -07:00
br_switchdev.c net: bridge: switchdev: send FDB notifications for host addresses 2021-06-29 10:46:23 -07:00
br_sysfs_br.c net: bridge: propagate error code and extack from br_mc_disabled_update 2021-04-14 14:32:05 -07:00
br_sysfs_if.c net: bridge: don't print in br_switchdev_set_port_flag 2021-02-12 17:08:04 -08:00
br_vlan_options.c net: bridge: vlan options: move the tunnel command to the nested attribute 2020-03-20 08:52:20 -07:00
br_vlan_tunnel.c net: bridge: fix vlan tunnel dst refcnt when egressing 2021-06-10 14:06:43 -07:00
br_vlan.c net: bridge: allow the switchdev replay functions to be called for deletion 2021-06-28 14:09:03 -07:00
br.c net: bridge: fix misspellings using codespell tool 2021-01-09 13:54:47 -08:00
Kconfig bridge: cfm: Add BRIDGE_CFM to Kconfig. 2020-10-29 18:39:43 -07:00
Makefile net: bridge: multicast: add EHT host handling functions 2021-01-22 19:39:56 -08:00