linux/net/bridge
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
Kconfig
Makefile
br.c
br_arp_nd_proxy.c
br_cfm.c bridge: cfm: remove redundant return 2021-06-22 10:35:15 -07:00
br_cfm_netlink.c
br_device.c
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
br_if.c net: bridge: sync fdb to new unicast-filtering ports 2021-07-02 13:34:07 -07:00
br_input.c
br_ioctl.c
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.c net: bridge: mrp: Update the Test frames for MRA 2021-06-28 15:46:10 -07:00
br_mrp_netlink.c
br_mrp_switchdev.c
br_multicast.c net: bridge: multicast: fix MRD advertisement router port marking race 2021-07-11 12:11:06 -07:00
br_multicast_eht.c
br_netfilter_hooks.c
br_netfilter_ipv6.c
br_netlink.c
br_netlink_tunnel.c
br_nf_core.c
br_private.h net: bridge: switchdev: send FDB notifications for host addresses 2021-06-29 10:46:23 -07:00
br_private_cfm.h
br_private_mcast_eht.h
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
br_stp.c net: bridge: constify variables in the replay helpers 2021-06-28 14:09:03 -07:00
br_stp_bpdu.c
br_stp_if.c
br_stp_timer.c
br_switchdev.c net: bridge: switchdev: send FDB notifications for host addresses 2021-06-29 10:46:23 -07:00
br_sysfs_br.c
br_sysfs_if.c
br_vlan.c net: bridge: allow the switchdev replay functions to be called for deletion 2021-06-28 14:09:03 -07:00
br_vlan_options.c
br_vlan_tunnel.c