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Hoang Le 746a1eda68 tipc: add NULL pointer check to prevent kernel oops 
Calling:
tipc_node_link_down()->
   - tipc_node_write_unlock()->tipc_mon_peer_down()
   - tipc_mon_peer_down()
  just after disabling bearer could be caused kernel oops.

Fix this by adding a sanity check to make sure valid memory
access.

Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-15 00:07:00 -07:00
..
6lowpan
…
9p
9p pull request for inclusion in 5.4
2019-09-27 15:10:34 -07:00
802
net: 802: psnap.c: Use built-in RCU list checking
2020-02-24 13:02:53 -08:00
8021q
net: vlan: suppress "failed to kill vid" warnings
2020-02-17 14:30:54 -08:00
appletalk
appletalk: enforce CAP_NET_RAW for raw sockets
2019-09-24 16:37:18 +02:00
atm
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
ax25
net: Make sock protocol value checks more specific
2020-01-09 18:41:40 -08:00
batman-adv
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
bluetooth
Bluetooth: Fix race condition in hci_release_sock()
2020-01-26 10:34:17 +02:00
bpf
bpf: Add selftests for BPF_MODIFY_RETURN
2020-03-04 13:41:06 -08:00
bpfilter
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
bridge
net: bridge: fix stale eth hdr pointer in br_dev_xmit
2020-02-24 11:11:19 -08:00
caif
net: caif: Add lockdep expression to RCU traversal primitive
2020-03-11 22:55:25 -07:00
can
can: j1939: j1939_sk_bind(): take priv after lock is held
2019-12-08 11:52:02 +01:00
ceph
Merge branch 'merge.nfs-fs_parse.1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-02-08 13:26:41 -08:00
core
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2020-03-13 20:52:03 -07:00
dcb
…
dccp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2020-02-29 15:53:35 -08:00
decnet
net: Make sock protocol value checks more specific
2020-01-09 18:41:40 -08:00
dns_resolver
…
dsa
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
ethernet
net: remove eth_change_mtu
2020-01-27 11:09:31 +01:00
ethtool
ethtool: fix spelling mistake "exceeeds" -> "exceeds"
2020-03-13 11:23:33 -07:00
hsr
hsr: fix refcnt leak of hsr slave interface
2020-03-05 11:59:47 -08:00
ieee802154
nl802154: add missing attribute validation for dev_type
2020-03-03 13:28:48 -08:00
ife
net: Fix Kconfig indentation
2019-09-26 08:56:17 +02:00
ipv4
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2020-03-13 20:52:03 -07:00
ipv6
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
iucv
treewide: Use sizeof_field() macro
2019-12-09 10:36:44 -08:00
kcm
bpf: Use bpf_prog_run_pin_on_cpu() at simple call sites.
2020-02-24 16:20:09 -08:00
key
…
l2tp
l2tp: Replace zero-length array with flexible-array member
2020-02-28 12:08:37 -08:00
l3mdev
…
lapb
…
llc
af_llc: fix if-statement empty body warning
2020-02-26 20:38:13 -08:00
mac80211
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
mac802154
…
mpls
net: mpls: Replace zero-length array with flexible-array member
2020-02-28 12:08:37 -08:00
mptcp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
ncsi
net/ncsi: Support for multi host mellanox card
2020-01-09 18:36:22 -08:00
netfilter
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
netlabel
netlabel_domainhash.c: Use built-in RCU list checking
2020-02-18 12:44:23 -08:00
netlink
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
netrom
net: netrom: Add missing annotation for nr_neigh_stop()
2020-02-24 13:26:49 -08:00
nfc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
nsh
…
openvswitch
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
packet
net/packet: tpacket_rcv: do not increment ring index on drop
2020-03-11 23:12:16 -07:00
phonet
net: Remove redundant BUG_ON() check in phonet_pernet
2020-01-03 12:25:50 -08:00
psample
net: psample: fix skb_over_panic
2019-11-26 14:40:13 -08:00
qrtr
net: qrtr: Fix FIXME related to qrtr_ns_init()
2020-03-03 17:52:21 -08:00
rds
net/rds: Track user mapped pages through special API
2020-02-16 18:37:09 -08:00
rfkill
rfkill: Fix incorrect check to avoid NULL pointer dereference
2019-12-16 10:15:49 +01:00
rose
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-01-26 10:40:21 +01:00
rxrpc
rxrpc: Fix call RCU cleanup using non-bh-safe locks
2020-02-07 11:20:57 +01:00
sched
net: sched: RED: Introduce an ECN nodrop mode
2020-03-14 21:03:46 -07:00
sctp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
smc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
strparser
…
sunrpc
xprtrdma: Fix DMA scatter-gather list mapping imbalance
2020-02-13 15:35:33 -05:00
switchdev
net: switchdev: do not propagate bridge updates across bridges
2020-02-26 20:58:33 -08:00
tipc
tipc: add NULL pointer check to prevent kernel oops
2020-03-15 00:07:00 -07:00
tls
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2020-02-21 15:22:45 -08:00
unix
net: datagram: drop 'destructor' argument from several helpers
2020-02-28 12:12:53 -08:00
vmw_vsock
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-02-27 18:31:39 -08:00
wimax
…
wireless
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-03-12 22:34:48 -07:00
x25
net: x25: convert to list_for_each_entry_safe()
2020-02-16 18:59:42 -08:00
xdp
xdp: Replace zero-length array with flexible-array member
2020-02-28 12:08:37 -08:00
xfrm
net: datagram: drop 'destructor' argument from several helpers
2020-02-28 12:12:53 -08:00
compat.c
y2038: socket: use __kernel_old_timespec instead of timespec
2019-11-15 14:38:29 +01:00
Kconfig
net: disable BRIDGE_NETFILTER by default
2020-02-20 15:02:02 -08:00
Makefile
mptcp: Add MPTCP socket stubs
2020-01-24 13:44:07 +01:00
socket.c
socket: fix unused-function warning
2020-01-08 15:02:21 -08:00
sysctl_net.c
…