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linux-stable/net/tipc
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Jon Maloy 7ea817f4e8 tipc: check session number before accepting link protocol messages 
In some virtual environments we observe a significant higher number of
packet reordering and delays than we have been used to traditionally.

This makes it necessary with stricter checks on incoming link protocol
messages' session number, which until now only has been validated for
RESET messages.

Since the other two message types, ACTIVATE and STATE messages also
carry this number, it is easy to extend the validation check to those
messages.

We also introduce a flag indicating if a link has a valid peer session
number or not. This eliminates the mixing of 32- and 16-bit arithmethics
we are currently using to achieve this.

Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-11 23:06:14 -07:00
..
addr.c tipc: handle collisions of 32-bit node address hash values 2018-03-23 13:12:18 -04:00
addr.h tipc: add 128-bit node identifier 2018-03-23 13:12:18 -04:00
bcast.c tipc: bcast: use true and false for boolean values 2018-03-07 12:18:00 -05:00
bcast.h tipc: make replicast a user selectable option 2017-01-20 12:10:17 -05:00
bearer.c tipc: mark expected switch fall-throughs 2018-07-05 20:24:01 +09:00
bearer.h tipc: implement configuration of UDP media MTU 2018-04-20 11:04:05 -04:00
core.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
core.h tipc: replace name table service range array with rb tree 2018-03-31 22:19:52 -04:00
diag.c tipc: use the right skb in tipc_sk_fill_sock_diag() 2018-04-08 12:34:29 -04:00
discover.c tipc: tipc_disc_addr_trial_msg() can be static 2018-03-25 21:21:43 -04:00
discover.h tipc: some cleanups in the file discover.c 2018-03-23 13:12:17 -04:00
eth_media.c
group.c tipc: extend sock diag for group communication 2018-06-30 21:05:42 +09:00
group.h tipc: extend sock diag for group communication 2018-06-30 21:05:42 +09:00
ib_media.c
Kconfig tipc: implement socket diagnostics for AF_TIPC 2018-03-22 14:43:35 -04:00
link.c tipc: check session number before accepting link protocol messages 2018-07-11 23:06:14 -07:00
link.h tipc: check session number before accepting link protocol messages 2018-07-11 23:06:14 -07:00
Makefile tipc: implement socket diagnostics for AF_TIPC 2018-03-22 14:43:35 -04:00
monitor.c tipc: fix infinite loop when dumping link monitor summary 2018-04-18 13:48:43 -04:00
monitor.h tipc: dump monitor attributes 2016-07-26 14:26:42 -07:00
msg.c tipc: eliminate buffer cloning in function tipc_msg_extract() 2018-06-30 20:48:16 +09:00
msg.h tipc: handle collisions of 32-bit node address hash values 2018-03-23 13:12:18 -04:00
name_distr.c tipc: permit overlapping service ranges in name table 2018-03-31 22:19:52 -04:00
name_distr.h tipc: permit overlapping service ranges in name table 2018-03-31 22:19:52 -04:00
name_table.c tipc: clean up removal of binding table items 2018-05-10 15:25:45 -04:00
name_table.h tipc: fix unbalanced reference counter 2018-04-12 21:46:10 -04:00
net.c tipc: fix possible crash in __tipc_nl_net_set() 2018-04-16 18:08:18 -04:00
net.h tipc: obtain node identity from interface by default 2018-03-23 13:12:18 -04:00
netlink.c tipc: fix possible crash in __tipc_nl_net_set() 2018-04-16 18:08:18 -04:00
netlink.h tipc: make cluster size threshold for monitoring configurable 2016-07-26 14:26:42 -07:00
netlink_compat.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
node.c tipc: check session number before accepting link protocol messages 2018-07-11 23:06:14 -07:00
node.h tipc: add sequence number check for link STATE messages 2018-07-11 23:06:14 -07:00
socket.c Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-07-03 10:29:26 +09:00
socket.h tipc: use the right skb in tipc_sk_fill_sock_diag() 2018-04-08 12:34:29 -04:00
subscr.c tipc: fix unbalanced reference counter 2018-04-12 21:46:10 -04:00
subscr.h tipc: replace name table service range array with rb tree 2018-03-31 22:19:52 -04:00
sysctl.c
topsrv.c tipc: don't call sock_release() in atomic context 2018-02-19 14:38:50 -05:00
topsrv.h tipc: rename tipc_server to tipc_topsrv 2018-02-16 15:26:34 -05:00
udp_media.c tipc: set default MTU for UDP media 2018-04-20 11:04:05 -04:00
udp_media.h tipc: implement configuration of UDP media MTU 2018-04-20 11:04:05 -04:00