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linux/net/tipc
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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
..
Kconfig tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
Makefile tipc: remove meaningless assignment in Makefile 2020-01-08 12:38:54 -08:00
addr.c tipc: initialise addr_trail_end when setting node addresses 2019-08-11 21:40:04 -07:00
addr.h tipc: add 128-bit node identifier 2018-03-23 13:12:18 -04:00
bcast.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-12-22 15:15:05 -08:00
bcast.h tipc: update replicast capability for broadcast send link 2019-11-22 09:29:50 -08:00
bearer.c tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
bearer.h tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
core.c tipc: fix ordering of tipc module init and exit routine 2019-12-06 12:01:09 -08:00
core.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-16 21:51:42 -08:00
crypto.c net/tipc: Replace rcu_swap_protected() with rcu_replace_pointer() 2019-12-12 10:19:40 -08:00
crypto.h tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
diag.c tipc: switch to rhashtable iterator 2018-08-29 18:04:54 -07:00
discover.c tipc: fix use-after-free in tipc_disc_rcv() 2019-12-10 17:45:04 -08:00
discover.h tipc: some cleanups in the file discover.c 2018-03-23 13:12:17 -04:00
eth_media.c tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
group.c tipc: clean up skb list lock handling on send path 2019-08-18 14:01:07 -07:00
group.h tipc: extend sock diag for group communication 2018-06-30 21:05:42 +09:00
ib_media.c tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
link.c tipc: don't send gap blocks in ACK messages 2019-12-17 14:16:56 -08:00
link.h tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
monitor.c tipc: add NULL pointer check to prevent kernel oops 2020-03-15 00:07:00 -07:00
monitor.h tipc: update mon's self addr when node addr generated 2019-11-12 19:45:45 -08:00
msg.c tipc: simplify trivial boolean return 2020-03-15 00:07:00 -07:00
msg.h tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
name_distr.c tipc: improve throughput between nodes in netns 2019-10-29 17:55:38 -07:00
name_distr.h tipc: permit overlapping service ranges in name table 2018-03-31 22:19:52 -04:00
name_table.c tipc: fix name table rbtree issues 2019-12-10 17:45:04 -08:00
name_table.h tipc: support in-order name publication events 2019-11-22 09:29:50 -08:00
net.c tipc: make legacy address flag readable over netlink 2019-12-20 21:18:42 -08:00
net.h tipc: make legacy address flag readable over netlink 2019-12-20 21:18:42 -08:00
netlink.c tipc: add missing attribute validation for MTU property 2020-03-03 13:28:49 -08:00
netlink.h net: tipc: allocate attrs locally instead of using genl_family_attrbuf in compat_dumpit() 2019-10-06 15:44:47 +02:00
netlink_compat.c tipc: eliminate KMSAN: uninit-value in __tipc_nl_compat_dumpit error 2020-01-06 13:24:31 -08:00
node.c tipc: make three functions static 2020-02-10 10:23:00 +01:00
node.h tipc: add support for AEAD key setting via netlink 2019-11-08 14:01:59 -08:00
socket.c tipc: fix successful connect() but timed out 2020-02-10 10:23:00 +01:00
socket.h tipc: add trace_events for tipc socket 2018-12-19 11:49:24 -08:00
subscr.c tipc: fix unbalanced reference counter 2018-04-12 21:46:10 -04:00
subscr.h tipc: fix modprobe tipc failed after switch order of device registration 2019-05-20 10:45:43 -07:00
sysctl.c tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
topsrv.c tipc: add loopback device tracking 2019-08-08 22:11:39 -07:00
topsrv.h tipc: rename tipc_server to tipc_topsrv 2018-02-16 15:26:34 -05:00
trace.c tipc: remove unneeded semicolon in trace.c 2019-01-17 22:04:43 -08:00
trace.h tipc: add trace_events for tipc bearer 2018-12-19 11:49:25 -08:00
udp_media.c tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
udp_media.h tipc: implement configuration of UDP media MTU 2018-04-20 11:04:05 -04:00