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Peilin Ye 586b14ec48 tipc: Fix memory leak in tipc_group_create_member() 
[ Upstream commit bb3a420d47ab00d7e1e5083286cab15235a96680 ]

tipc_group_add_to_tree() returns silently if `key` matches `nkey` of an
existing node, causing tipc_group_create_member() to leak memory. Let
tipc_group_add_to_tree() return an error in such a case, so that
tipc_group_create_member() can handle it properly.

Fixes: 75da2163dbb6 ("tipc: introduce communication groups")
Reported-and-tested-by: syzbot+f95d90c454864b3b5bc9@syzkaller.appspotmail.com
Cc: Hillf Danton <hdanton@sina.com>
Link: https://syzkaller.appspot.com/bug?id=048390604fe1b60df34150265479202f10e13aff
Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-26 18:03:13 +02:00
..
6lowpan
6lowpan: no need to check return value of debugfs_create functions
2019-07-06 12:50:01 +02:00
9p
net/9p: validate fds in p9_fd_open
2020-08-11 15:33:36 +02:00
802
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
8021q
vlan: vlan_changelink() should propagate errors
2020-01-12 12:21:50 +01:00
appletalk
appletalk: Fix atalk_proc_init() return path
2020-08-11 15:33:40 +02:00
atm
net: atm: Reduce the severity of logging in unlink_clip_vcc
2019-11-18 17:08:20 -08:00
ax25
AX.25: Prevent integer overflows in connect and sendmsg
2020-07-31 18:39:31 +02:00
batman-adv
batman-adv: bla: use netif_rx_ni when not in interrupt context
2020-09-09 19:12:23 +02:00
bluetooth
Bluetooth: add a mutex lock to avoid UAF in do_enale_set
2020-08-19 08:15:59 +02:00
bpf
bpf/flow_dissector: support flags in BPF_PROG_TEST_RUN
2019-07-25 18:00:41 -07:00
bpfilter
net/bpfilter: remove superfluous testing message
2020-04-21 09:04:53 +02:00
bridge
net: bridge: br_vlan_get_pvid_rcu() should dereference the VLAN group under RCU
2020-09-26 18:03:12 +02:00
caif
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
can
can: j1939: transport: j1939_xtp_rx_dat_one(): compare own packets to detect corruptions
2020-09-03 11:26:58 +02:00
ceph
libceph: don't omit recovery_deletes in target_copy()
2020-07-22 09:33:17 +02:00
core
net: Fix bridge enslavement failure
2020-09-26 18:03:13 +02:00
dcb
net: DCB: Validate DCB_ATTR_DCB_BUFFER argument
2020-09-26 18:03:12 +02:00
dccp
dccp: Fix possible memleak in dccp_init and dccp_fini
2020-06-17 16:40:32 +02:00
decnet
net: add bool confirm_neigh parameter for dst_ops.update_pmtu
2020-01-04 19:18:58 +01:00
dns_resolver
KEYS: Don't write out to userspace while holding key semaphore
2020-04-23 10:36:45 +02:00
dsa
dsa: Allow forwarding of redirected IGMP traffic
2020-09-23 12:40:33 +02:00
ethernet
net: add annotations on hh->hh_len lockless accesses
2020-01-09 10:20:06 +01:00
hsr
hsr: check protocol version in hsr_newlink()
2020-04-21 09:04:44 +02:00
ieee802154
nl802154: add missing attribute validation for dev_type
2020-03-18 07:17:44 +01:00
ife
net: Fix Kconfig indentation
2019-09-26 08:56:17 +02:00
ipv4
ipv4: Update exception handling for multipath routes via same device
2020-09-26 18:03:12 +02:00
ipv6
net: ipv6: fix kconfig dependency warning for IPV6_SEG6_HMAC
2020-09-26 18:03:13 +02:00
iucv
net/af_iucv: mark expected switch fall-throughs
2019-07-29 10:26:14 -07:00
kcm
kcm: disable preemption in kcm_parse_func_strparser()
2019-09-27 10:27:14 +02:00
key
af_key: pfkey_dump needs parameter validation
2020-09-26 18:03:10 +02:00
l2tp
l2tp: remove skb_dst_set() from l2tp_xmit_skb()
2020-07-22 09:32:47 +02:00
l3mdev
ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF
2019-06-23 13:24:17 -07:00
lapb
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-17 20:20:36 -07:00
llc
llc: make sure applications use ARPHRD_ETHER
2020-07-22 09:32:47 +02:00
mac80211
mac80211: fix misplaced while instead of if
2020-08-21 13:05:26 +02:00
mac802154
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
mpls
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-18 16:08:42 +01:00
ncsi
net/ncsi: Disable global multicast filter
2019-09-19 18:04:40 -07:00
netfilter
netfilter: conntrack: allow sctp hearbeat after connection re-use
2020-09-17 13:47:45 +02:00
netlabel
netlabel: fix problems with mapping removal
2020-09-12 14:18:55 +02:00
netlink
genetlink: remove genl_bind
2020-07-22 09:32:46 +02:00
netrom
net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node
2020-04-29 16:33:08 +02:00
nfc
net/nfc/rawsock.c: add CAP_NET_RAW check.
2020-08-19 08:16:22 +02:00
nsh
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
openvswitch
openvswitch: Prevent kernel-infoleak in ovs_ct_put_key()
2020-08-11 15:33:41 +02:00
packet
net/packet: fix overflow in tpacket_rcv
2020-09-09 19:12:29 +02:00
phonet
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
psample
net: psample: fix skb_over_panic
2019-12-04 22:30:54 +01:00
qrtr
net: qrtr: fix usage of idr in port assignment to socket
2020-09-03 11:26:40 +02:00
rds
rds: Prevent kernel-infoleak in rds_notify_queue_get()
2020-08-05 09:59:44 +02:00
rfkill
rfkill: Fix incorrect check to avoid NULL pointer dereference
2020-01-12 12:21:33 +01:00
rose
net: core: add generic lockdep keys
2019-10-24 14:53:48 -07:00
rxrpc
rxrpc: Make rxrpc_kernel_get_srtt() indicate validity
2020-09-09 19:12:23 +02:00
sched
taprio: Fix allowing too small intervals
2020-09-26 18:03:13 +02:00
sctp
net: sctp: Fix IPv6 ancestor_size calc in sctp_copy_descendant
2020-09-26 18:03:13 +02:00
smc
net/smc: Prevent kernel-infoleak in __smc_diag_dump()
2020-09-03 11:26:40 +02:00
strparser
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-22 08:59:24 -04:00
sunrpc
SUNRPC: stop printk reading past end of string
2020-09-23 12:40:36 +02:00
switchdev
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tipc
tipc: Fix memory leak in tipc_group_create_member()
2020-09-26 18:03:13 +02:00
tls
net/tls: Fix kmap usage
2020-08-19 08:16:23 +02:00
unix
af_unix: add compat_ioctl support
2020-01-17 19:48:52 +01:00
vmw_vsock
vsock/virtio: annotate 'the_virtio_vsock' RCU pointer
2020-07-29 10:18:31 +02:00
wimax
wimax: no need to check return value of debugfs_create functions
2019-08-10 15:25:47 -07:00
wireless
cfg80211: Adjust 6 GHz frequency to channel conversion
2020-09-17 13:47:46 +02:00
x25
net/x25: Fix null-ptr-deref in x25_disconnect
2020-08-05 09:59:44 +02:00
xdp
xdp: Fix xsk_generic_xmit errno
2020-06-24 17:50:44 +02:00
xfrm
xfrm: policy: match with both mark and mask on user interfaces
2020-08-05 09:59:44 +02:00
compat.c
net/compat: Add missing sock updates for SCM_RIGHTS
2020-08-21 13:05:25 +02:00
Kconfig
net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build
2020-04-01 11:02:18 +02:00
Makefile
…
socket.c
net: Set fput_needed iff FDPUT_FPUT is set
2020-08-19 08:16:22 +02:00
sysctl_net.c
…