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linux-stable/net
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Eric Dumazet 3cc5c35802 ipv6: remove extra dev_hold() for fallback tunnels 
commit 0d7a7b2014 upstream.

My previous commits added a dev_hold() in tunnels ndo_init(),
but forgot to remove it from special functions setting up fallback tunnels.

Fallback tunnels do call their respective ndo_init()

This leads to various reports like :

unregister_netdevice: waiting for ip6gre0 to become free. Usage count = 2

Fixes: 48bb569726 ("ip6_tunnel: sit: proper dev_{hold|put} in ndo_[un]init methods")
Fixes: 6289a98f08 ("sit: proper dev_{hold|put} in ndo_[un]init methods")
Fixes: 40cb881b5a ("ip6_vti: proper dev_{hold|put} in ndo_[un]init methods")
Fixes: 7f700334be ("ip6_gre: proper dev_{hold|put} in ndo_[un]init methods")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-22 10:57:43 +02:00
..
6lowpan 6lowpan: Off by one handling ->nexthdr 2020-01-27 14:46:30 +01:00
9p net: 9p: initialize sun_server.sun_path to have addr's value only when addr is valid 2020-11-05 11:06:57 +01:00
802
8021q net: vlan: avoid leaks on register_vlan_dev() failures 2021-01-17 13:58:58 +01:00
appletalk appletalk: Fix skb allocation size in loopback case 2021-04-07 12:47:02 +02:00
atm atm: fix a memory leak of vcc->user_back 2020-10-01 13:12:42 +02:00
ax25 AX.25: Prevent integer overflows in connect and sendmsg 2020-07-31 16:44:44 +02:00
batman-adv batman-adv: initialize "struct batadv_tvlv_tt_vlan_data"->reserved field 2021-04-16 11:57:48 +02:00
bluetooth Bluetooth: check for zapped sk before connecting 2021-05-22 10:57:36 +02:00
bpf
bridge net: bridge: use switchdev for port flags set through sysfs too 2021-03-07 11:27:43 +01:00
caif net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:25:34 +01:00
can can: af_can: prevent potential access of uninitialized member in canfd_rcv() 2020-11-24 13:05:47 +01:00
ceph libceph: clear con->out_msg on Policy::stateful_server faults 2020-11-05 11:07:03 +01:00
core neighbour: Disregard DEAD dst in neigh_update 2021-04-28 12:08:40 +02:00
dcb net: dcb: Accept RTM_GETDCB messages carrying set-like DCB commands 2021-01-23 15:48:46 +01:00
dccp ipv6: weaken the v4mapped source check 2021-04-07 12:47:00 +02:00
decnet net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2020-01-04 14:00:14 +01:00
dns_resolver KEYS: Don't write out to userspace while holding key semaphore 2020-04-24 08:01:25 +02:00
dsa net: dsa: Fix duplicate frames flooded by learning 2020-04-02 16:34:24 +02:00
ethernet net: add annotations on hh->hh_len lockless accesses 2020-01-09 10:17:59 +01:00
hsr hsr: use netdev_err() instead of WARN_ONCE() 2021-05-22 10:57:24 +02:00
ieee802154 net: ieee802154: forbid monitor for add llsec seclevel 2021-04-28 12:08:41 +02:00
ife
ipv4 netfilter: x_tables: fix compat match/target pad out-of-bound write 2021-04-16 11:57:53 +02:00
ipv6 ipv6: remove extra dev_hold() for fallback tunnels 2021-05-22 10:57:43 +02:00
ipx
iucv net/af_iucv: set correct sk_protocol for child sockets 2020-12-08 10:17:32 +01:00
kcm kcm: switch order of device registration to fix a crash 2019-04-17 08:37:45 +02:00
key af_key: relax availability checks for skb size calculation 2021-02-23 14:00:29 +01:00
l2tp l2tp: remove skb_dst_set() from l2tp_xmit_skb() 2020-07-22 09:22:19 +02:00
l3mdev
lapb net: lapb: Copy the skb before sending a packet 2021-02-10 09:12:08 +01:00
llc llc: make sure applications use ARPHRD_ETHER 2020-07-22 09:22:20 +02:00
mac80211 mac80211: clear the beacon's CRC after channel switch 2021-05-22 10:57:36 +02:00
mac802154 net: mac802154: Fix general protection fault 2021-04-16 11:57:52 +02:00
mpls net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0 2021-03-17 16:34:28 +01:00
ncsi net/ncsi: Avoid GFP_KERNEL in response handler 2021-04-16 11:57:51 +02:00
netfilter netfilter: conntrack: Make global sysctls readonly in non-init netns 2021-05-22 10:57:41 +02:00
netlabel cipso,calipso: resolve a number of problems with the DOI refcounts 2021-03-17 16:34:29 +01:00
netlink genetlink: remove genl_bind 2020-07-22 09:22:19 +02:00
netrom net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node 2020-05-02 17:24:17 +02:00
nfc net:nfc:digital: Fix a double free in digital_tg_recv_dep_req 2021-05-22 10:57:34 +02:00
nsh
openvswitch openvswitch: fix stack OOB read while fragmenting IPv4 packets 2021-05-22 10:57:21 +02:00
packet net/packet: fix overflow in tpacket_rcv 2020-10-14 09:51:09 +02:00
phonet net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:25:34 +01:00
psample net: psample: fix skb_over_panic 2019-12-05 15:38:15 +01:00
qrtr net: qrtr: fix a kernel-infoleak in qrtr_recvmsg() 2021-03-30 14:40:12 +02:00
rds rds: Prevent kernel-infoleak in rds_notify_queue_get() 2020-08-05 10:06:50 +02:00
rfkill rfkill: Fix incorrect check to avoid NULL pointer dereference 2020-01-12 12:11:57 +01:00
rose rose: Fix Null pointer dereference in rose_send_frame() 2020-12-08 10:17:32 +01:00
rxrpc rxrpc: Fix handling of an unsupported token type in rxrpc_read() 2021-01-23 15:48:47 +01:00
sched net: sched: sch_teql: fix null-pointer dereference 2021-04-16 11:57:48 +02:00
sctp sctp: fix a SCTP_MIB_CURRESTAB leak in sctp_sf_do_dupcook_b 2021-05-22 10:57:38 +02:00
smc net/smc: check for valid ib_client_data 2020-03-20 10:54:20 +01:00
strparser
sunrpc rpc: fix NULL dereference on kmalloc failure 2021-04-07 12:47:00 +02:00
switchdev
tipc tipc: convert dest node's address to network order 2021-05-22 10:57:35 +02:00
tls net/tls: Fixed return value when tls_complete_pending_work() fails 2018-12-05 19:41:11 +01:00
unix skbuff: fix a data race in skb_queue_len() 2020-10-01 13:12:33 +02:00
vmw_vsock vsock/vmci: log once the failed queue pair allocation 2021-05-22 10:57:34 +02:00
wimax
wireless cfg80211: scan: drop entry from hidden_list on overflow 2021-05-22 10:57:25 +02:00
x25 net/x25: prevent a couple of overflows 2020-12-08 10:17:33 +01:00
xfrm xfrm: Fix oops in xfrm_replay_advance_bmp 2021-02-03 23:22:22 +01:00
compat.c net/compat: Add missing sock updates for SCM_RIGHTS 2020-08-21 09:48:18 +02:00
Kconfig
Makefile
socket.c net: Set fput_needed iff FDPUT_FPUT is set 2020-08-21 09:48:14 +02:00
sysctl_net.c