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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/net
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Jonas Gorski 4e777199c0 net: bridge: br_fdb_external_learn_add(): always set EXT_LEARN 
[ Upstream commit bee2ef946d3184e99077be526567d791c473036f ]

When userspace wants to take over a fdb entry by setting it as
EXTERN_LEARNED, we set both flags BR_FDB_ADDED_BY_EXT_LEARN and
BR_FDB_ADDED_BY_USER in br_fdb_external_learn_add().

If the bridge updates the entry later because its port changed, we clear
the BR_FDB_ADDED_BY_EXT_LEARN flag, but leave the BR_FDB_ADDED_BY_USER
flag set.

If userspace then wants to take over the entry again,
br_fdb_external_learn_add() sees that BR_FDB_ADDED_BY_USER and skips
setting the BR_FDB_ADDED_BY_EXT_LEARN flags, thus silently ignores the
update.

Fix this by always allowing to set BR_FDB_ADDED_BY_EXT_LEARN regardless
if this was a user fdb entry or not.

Fixes: 710ae72877 ("net: bridge: Mark FDB entries that were added by user as such")
Signed-off-by: Jonas Gorski <jonas.gorski@bisdn.de>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20240903081958.29951-1-jonas.gorski@bisdn.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-09-12 11:07:47 +02:00
..
6lowpan 6lowpan: iphc: Fix an off-by-one check of array index 2021-07-22 16:19:03 +02:00
9p net/9p: fix uninit-value in p9_client_rpc() 2024-06-16 13:39:58 +02:00
802 mrp: introduce active flags to prevent UAF when applicant uninit 2022-12-31 13:14:42 +01:00
8021q gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers 2024-09-12 11:07:47 +02:00
appletalk appletalk: Fix Use-After-Free in atalk_ioctl 2023-12-20 15:17:37 +01:00
atm atm: Fix Use-After-Free in do_vcc_ioctl 2023-12-20 15:17:35 +01:00
ax25 net: ax25: Fix deadlock caused by skb_recv_datagram in ax25_recvmsg 2022-06-22 14:22:01 +02:00
batman-adv batman-adv: Don't accept TT entries for out-of-spec VIDs 2024-07-05 09:14:49 +02:00
bluetooth Bluetooth: MGMT: Ignore keys being loaded with invalid type 2024-09-12 11:07:43 +02:00
bpf bpf: Set run context for rawtp test_run callback 2024-07-05 09:14:06 +02:00
bpfilter bpfilter: Specify the log level for the kmsg message 2021-06-25 13:13:50 +02:00
bridge net: bridge: br_fdb_external_learn_add(): always set EXT_LEARN 2024-09-12 11:07:47 +02:00
caif net: caif: Fix use-after-free in cfusbl_device_notify() 2023-03-17 08:48:54 +01:00
can can: bcm: Remove proc entry when dev is unregistered. 2024-09-12 11:07:46 +02:00
ceph libceph: fix race between delayed_work() and ceph_monc_stop() 2024-07-18 13:07:42 +02:00
core ethtool: check device is present when getting link settings 2024-09-04 13:23:40 +02:00
dcb net: dcb: choose correct policy to parse DCB_ATTR_BCN 2023-08-11 15:13:53 +02:00
dccp Fix race for duplicate reqsk on identical SYN 2024-07-05 09:14:41 +02:00
dns_resolver keys, dns: Fix size check of V1 server-list header 2024-01-25 14:52:46 -08:00
dsa net: dsa: tag_sja1105: always prefer source port information from INCL_SRCPT 2024-06-16 13:39:54 +02:00
ethernet gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers 2024-09-12 11:07:47 +02:00
ethtool ethtool: check device is present when getting link settings 2024-09-04 13:23:40 +02:00
hsr hsr: Handle failures in module init 2024-03-26 18:21:36 -04:00
ieee802154 net: drop nopreempt requirement on sock_prot_inuse_add() 2024-07-05 09:14:08 +02:00
ife net: sched: ife: fix potential use-after-free 2024-01-05 15:13:29 +01:00
ipv4 fou: Fix null-ptr-deref in GRO. 2024-09-12 11:07:47 +02:00
ipv6 gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers 2024-09-12 11:07:47 +02:00
iucv s390/iucv: fix receive buffer virtual vs physical address confusion 2024-09-04 13:23:27 +02:00
kcm kcm: Serialise kcm_sendmsg() for the same socket. 2024-09-04 13:23:32 +02:00
key net: af_key: fix sadb_x_filter validation 2023-08-26 14:23:32 +02:00
l2tp l2tp: fix lockdep splat 2024-08-19 05:45:36 +02:00
l3mdev l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-27 14:38:53 +02:00
lapb net: lapb: Use list_for_each_entry() to simplify code in lapb_iface.c 2021-06-08 16:31:25 -07:00
llc llc: call sock_orphan() at release time 2024-02-23 08:54:54 +01:00
mac80211 wifi: mac80211: fix BA session teardown race 2024-09-04 13:23:20 +02:00
mac802154 net: mac802154: Fix racy device stats updates by DEV_STATS_INC() and DEV_STATS_ADD() 2024-07-27 10:46:13 +02:00
mctp mctp: perform route lookups under a RCU read-side lock 2023-10-25 11:58:59 +02:00
mpls net: mpls: fix stale pointer if allocation fails during device rename 2023-02-22 12:57:09 +01:00
mptcp mptcp: pm: send ACK on an active subflow 2024-09-12 11:07:45 +02:00
ncsi net/ncsi: Fix the multi thread manner of NCSI driver 2024-07-05 09:14:06 +02:00
netfilter netfilter: nf_conncount: fix wrong variable type 2024-09-12 11:07:45 +02:00
netlabel calipso: fix memory leak in netlbl_calipso_add_pass() 2024-01-25 14:52:33 -08:00
netlink netlink: hold nlk->cb_mutex longer in __netlink_dump_start() 2024-09-04 13:23:25 +02:00
netrom netrom: Fix a memory leak in nr_heartbeat_expiry() 2024-07-05 09:14:29 +02:00
nfc nfc: nci: Fix handling of zero-length payload packets in nci_rx_work() 2024-06-16 13:39:48 +02:00
nsh nsh: Restore skb->{protocol,data,mac_header} for outer header in nsh_gso_segment(). 2024-05-17 11:50:48 +02:00
openvswitch openvswitch: Set the skbuff pkt_type for proper pmtud support. 2024-06-16 13:39:47 +02:00
packet af_packet: Handle outgoing VLAN packets without hardware offloading 2024-08-19 05:45:11 +02:00
phonet phonet: fix rtm_phonet_notify() skb allocation 2024-05-17 11:50:58 +02:00
psample psample: Require 'CAP_NET_ADMIN' when joining "packets" group 2023-12-13 18:36:37 +01:00
qrtr net: qrtr: ns: Fix module refcnt 2024-06-16 13:39:33 +02:00
rds net:rds: Fix possible deadlock in rds_message_put 2024-09-04 13:23:39 +02:00
rfkill net: rfkill: gpio: set GPIO direction 2024-01-05 15:13:34 +01:00
rose net/rose: fix races in rose_kill_by_device() 2024-01-05 15:13:29 +01:00
rxrpc rxrpc: Fix response to PING RESPONSE ACKs to a dead call 2024-02-23 08:54:58 +01:00
sched sched: sch_cake: fix bulk flow accounting logic for host fairness 2024-09-12 11:07:44 +02:00
sctp sctp: Fix null-ptr-deref in reuseport_add_sock(). 2024-08-19 05:45:35 +02:00
smc net/smc: set rmb's SG_MAX_SINGLE_ALLOC limitation only when CONFIG_ARCH_NO_SG_CHAIN is defined 2024-08-19 05:44:56 +02:00
strparser bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding 2021-11-18 19:17:11 +01:00
sunrpc sunrpc: use the struct net as the svc proc private 2024-09-04 13:23:30 +02:00
switchdev net: make switchdev_bridge_port_{,unoffload} loosely coupled with the bridge 2021-08-04 12:35:07 +01:00
tipc tipc: Return non-zero value from tipc_udp_addr2str() on error 2024-08-19 05:45:24 +02:00
tls tls: fix race between tx work scheduling and socket close 2024-08-19 05:45:49 +02:00
unix af_unix: Remove put_pid()/put_cred() in copy_peercred(). 2024-09-12 11:07:45 +02:00
vmw_vsock virtio/vsock: fix logic which reduces credit update messages 2024-01-25 14:52:38 -08:00
wireless wifi: cfg80211: make hash table duplicates more survivable 2024-09-12 11:07:41 +02:00
x25 net/x25: fix incorrect parameter validation in the x25_getsockopt() function 2024-03-26 18:21:23 -04:00
xdp net: drop nopreempt requirement on sock_prot_inuse_add() 2024-07-05 09:14:08 +02:00
xfrm net: fix __dst_negative_advice() race 2024-06-16 13:39:59 +02:00
Kconfig Remove DECnet support from kernel 2023-06-21 15:59:15 +02:00
Makefile Remove DECnet support from kernel 2023-06-21 15:59:15 +02:00
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
socket.c net: Save and restore msg_namelen in sock_sendmsg 2024-01-15 18:51:16 +01:00
sysctl_net.c net: Ensure net namespace isolation of sysctls 2021-04-12 13:27:11 -07:00