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OpenCloudOS-Kernel/net/bridge
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Eric Dumazet fcfb894d59 net: bridge: fix net device refcount tracking issue in error path 
I left one dev_put() in br_add_if() error path and sure enough
syzbot found its way.

As the tracker is allocated in new_nbp(), we must make sure
to properly free it.

We have to call dev_put_track(dev, &p->dev_tracker) before
@p object is freed, of course. This is not an issue because
br_add_if() owns a reference on @dev.

Fixes: b2dcdc7f73 ("net: bridge: add net device refcount tracker")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2022-01-12 14:44:18 +00:00
..
netfilter netfilter: nft_meta: cancel register tracking after meta update 2022-01-09 23:35:17 +01:00
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
br.c net: make use of helper netif_is_bridge_master() 2021-10-16 15:02:56 +01:00
br_arp_nd_proxy.c net: bridge: when suppression is enabled exclude RARP packets 2021-03-22 13:30:24 -07:00
br_cfm.c bridge: cfm: remove redundant return 2021-06-22 10:35:15 -07:00
br_cfm_netlink.c bridge: cfm: Netlink Notifications. 2020-10-29 18:39:44 -07:00
br_device.c net: bridge: move bridge ioctls out of .ndo_do_ioctl 2021-07-27 20:11:45 +01:00
br_fdb.c net: bridge: move br_fdb_replay inside br_switchdev.c 2021-10-27 14:54:02 +01:00
br_forward.c net: bridge: fix build when setting skb->offload_fwd_mark with CONFIG_NET_SWITCHDEV=n 2021-07-24 21:48:26 +01:00
br_if.c net: bridge: fix net device refcount tracking issue in error path 2022-01-12 14:44:18 +00:00
br_input.c net: bridge: change return type of br_handle_ingress_vlan_tunnel 2021-08-24 16:51:09 -07:00
br_ioctl.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-12-31 14:35:40 +00:00
br_mdb.c net: bridge: mdb: move all switchdev logic to br_switchdev.c 2021-10-28 20:05:57 -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 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_multicast.c net: bridge: mcast: add and enforce startup query interval minimum 2021-12-29 12:59:38 -08:00
br_multicast_eht.c net: bridge: multicast: use multicast contexts instead of bridge or port 2021-07-20 05:41:19 -07:00
br_netfilter_hooks.c netfilter: bridge: add support for pppoe filtering 2021-11-30 23:37:55 +01:00
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.c net: bridge: mcast: add and enforce startup query interval minimum 2021-12-29 12:59:38 -08:00
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_nf_core.c net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2019-12-24 22:28:54 -08:00
br_private.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-30 12:12:12 -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: use multicast contexts instead of bridge or port 2021-07-20 05:41:19 -07:00
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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_private_tunnel.h net: bridge: change return type of br_handle_ingress_vlan_tunnel 2021-08-24 16:51:09 -07:00
br_stp.c net: bridge: constify variables in the replay helpers 2021-06-28 14:09:03 -07:00
br_stp_bpdu.c net: bridge: add STP xstats 2019-12-14 20:02:36 -08:00
br_stp_if.c net: use eth_hw_addr_set() 2021-10-02 14:18:25 +01:00
br_stp_timer.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_switchdev.c net: bridge: switchdev: consistent function naming 2021-10-28 20:05:57 -07:00
br_sysfs_br.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-30 12:12:12 -08:00
br_sysfs_if.c net: bridge: mcast: br_multicast_set_port_router takes multicast context as argument 2021-08-20 15:00:35 +01:00
br_vlan.c bridge: use __set_bit in __br_vlan_set_default_pvid 2021-11-26 16:47:56 -08:00
br_vlan_options.c net: bridge: mcast: add and enforce startup query interval minimum 2021-12-29 12:59:38 -08:00
br_vlan_tunnel.c net: bridge: change return type of br_handle_ingress_vlan_tunnel 2021-08-24 16:51:09 -07:00