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linux/net
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Nikolay Aleksandrov 54cb43199e net: bridge: multicast: fix igmp/mld port context null pointer dereferences 
With the recent change to use bridge/port multicast context pointers
instead of bridge/port I missed to convert two locations which pass the
port pointer as-is, but with the new model we need to verify the port
context is non-NULL first and retrieve the port from it. The first
location is when doing querier selection when a query is received, the
second location is when leaving a group. The port context will be null
if the packets originated from the bridge device (i.e. from the host).
The fix is simple just check if the port context exists and retrieve
the port pointer from it.

Fixes: adc47037a7 ("net: bridge: multicast: use multicast contexts instead of bridge or port")
Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-21 09:04:03 -07:00
..
6lowpan
9p 9p/trans_virtio: Fix spelling mistakes 2021-06-02 14:01:55 -07:00
802 net/802/garp: fix memleak in garp_request_join() 2021-07-01 11:21:57 -07:00
8021q memcg: enable accounting for VLAN group array 2021-07-20 06:00:38 -07:00
appletalk Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
atm atm: Use list_for_each_entry() to simplify code in resources.c 2021-06-10 14:08:09 -07:00
ax25
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
bluetooth TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
bpf bpf: Support specifying ingress via xdp_md context in BPF_PROG_TEST_RUN 2021-07-07 19:51:13 -07:00
bpfilter bpfilter: Specify the log level for the kmsg message 2021-06-25 13:13:50 +02:00
bridge net: bridge: multicast: fix igmp/mld port context null pointer dereferences 2021-07-21 09:04:03 -07:00
caif net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
ceph Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
core ipv6: ioam: Support for IOAM injection with lwtunnels 2021-07-21 08:14:33 -07:00
dcb net: dcb: Return the correct errno code 2021-06-01 17:01:33 -07:00
dccp memcg: enable accounting for inet_bin_bucket cache 2021-07-20 06:00:38 -07:00
decnet decnet: Fix spelling mistakes 2021-06-02 14:01:55 -07:00
dns_resolver
dsa net: dsa: use switchdev_handle_fdb_{add,del}_to_device 2021-07-20 07:04:27 -07:00
ethernet
ethtool net: sock: extend SO_TIMESTAMPING for PHC binding 2021-07-01 13:08:18 -07:00
hsr net: hsr: don't check sequence number if tag removal is offloaded 2021-06-16 12:13:01 -07:00
ieee802154 ieee802154: fix error return code in ieee802154_llsec_getparams() 2021-06-03 10:59:49 +02:00
ife
ipv4 tcp: avoid indirect call in tcp_new_space() 2021-07-21 09:02:11 -07:00
ipv6 net: ipv6: introduce ip6_dst_mtu_maybe_forward 2021-07-21 08:22:02 -07:00
iucv s390: iucv: Avoid field over-reading memcpy() 2021-07-01 15:54:01 -07:00
kcm net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
key
l2tp l2tp: Fix spelling mistakes 2021-06-07 14:08:30 -07:00
l3mdev
lapb net: lapb: Use list_for_each_entry() to simplify code in lapb_iface.c 2021-06-08 16:31:25 -07:00
llc
mac80211 mac80211: Switch to a virtual time-based airtime scheduler 2021-06-23 18:12:00 +02:00
mac802154
mpls
mptcp net: Use nlmsg_unicast() instead of netlink_unicast() 2021-07-13 09:28:29 -07:00
ncsi net/ncsi: add dummy response handler for Intel boards 2021-07-08 14:16:39 -07:00
netfilter net: ipv6: introduce ip6_dst_mtu_maybe_forward 2021-07-21 08:22:02 -07:00
netlabel netlabel: Fix memory leak in netlbl_mgmt_add_common 2021-06-15 11:19:04 -07:00
netlink netlink: Deal with ESRCH error in nlmsg_notify() 2021-07-20 11:45:09 +02:00
netrom
nfc TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
nsh
openvswitch openvswitch: Introduce per-cpu upcall dispatch 2021-07-16 11:06:33 -07:00
packet Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
phonet
psample
qrtr net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
rds Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
rfkill
rose
rxrpc Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
sched net/sched: Remove unnecessary if statement 2021-07-16 10:46:35 -07:00
sctp net: Use nlmsg_unicast() instead of netlink_unicast() 2021-07-13 09:28:29 -07:00
smc net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
strparser net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
sunrpc NFS client updates for Linux 5.14 2021-07-09 09:43:57 -07:00
switchdev net: switchdev: recurse into __switchdev_handle_fdb_del_to_device 2021-07-21 08:00:16 -07:00
tipc tipc: keep the skb in rcv queue until the whole data is read 2021-07-16 17:28:09 -07:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-07-15 22:40:10 -07:00
vmw_vsock Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
wireless cfg80211: Support hidden AP discovery over 6GHz band 2021-06-23 13:05:09 +02:00
x25 net: x25: Use list_for_each_entry() to simplify code in x25_route.c 2021-06-10 14:08:09 -07:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
xfrm Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
compat.c net: Return the correct errno code 2021-06-03 15:13:56 -07:00
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
Kconfig
Makefile
socket.c net: socket: support hardware timestamp conversion to PHC bound 2021-07-01 13:08:18 -07:00
sysctl_net.c