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linux/net/tipc
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Parthasarathy Bhuvaragan c1be775628 tipc: close the connection if protocol messages contain errors 
When a socket is shutting down, we notify the peer node about the
connection termination by reusing an incoming message if possible.
If the last received message was a connection acknowledgment
message, we reverse this message and set the error code to
TIPC_ERR_NO_PORT and send it to peer.

In tipc_sk_proto_rcv(), we never check for message errors while
processing the connection acknowledgment or probe messages. Thus
this message performs the usual flow control accounting and leaves
the session hanging.

In this commit, we terminate the connection when we receive such
error messages.

Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2017-04-28 12:20:42 -04:00
..
Kconfig tipc: add ip/udp media type 2015-03-05 22:08:42 -05:00
Makefile tipc: add neighbor monitoring framework 2016-06-15 14:06:28 -07:00
addr.c tipc: simplify include dependencies 2015-05-14 12:24:45 -04:00
addr.h tipc: introduce constants for tipc address validation 2016-07-26 14:26:42 -07:00
bcast.c tipc: make replicast a user selectable option 2017-01-20 12:10:17 -05:00
bcast.h tipc: make replicast a user selectable option 2017-01-20 12:10:17 -05:00
bearer.c tipc: add function for checking broadcast support in bearer 2017-01-20 12:10:15 -05:00
bearer.h tipc: add function for checking broadcast support in bearer 2017-01-20 12:10:15 -05:00
core.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
core.h netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
discover.c tipc: allocate user memory with GFP_KERNEL flag 2017-01-16 13:31:53 -05:00
discover.h tipc: eliminate buffer leak in bearer layer 2016-04-07 17:00:13 -04:00
eth_media.c tipc: make media address offset a common define 2015-02-27 18:18:48 -05:00
ib_media.c tipc: rename media/msg related definitions 2015-02-27 18:18:48 -05:00
link.c tipc: make replicast a user selectable option 2017-01-20 12:10:17 -05:00
link.h tipc: transfer broadcast nacks in link state messages 2016-09-02 17:10:24 -07:00
monitor.c tipc: improve sanity check for received domain records 2016-11-25 20:06:18 -05:00
monitor.h tipc: dump monitor attributes 2016-07-26 14:26:42 -07:00
msg.c tipc: introduce replicast as transport option for multicast 2017-01-20 12:10:17 -05:00
msg.h tipc: introduce replicast as transport option for multicast 2017-01-20 12:10:17 -05:00
name_distr.c tipc: allocate user memory with GFP_KERNEL flag 2017-01-16 13:31:53 -05:00
name_distr.h tipc: reduce code dependency between binding table and node layer 2015-11-20 14:06:10 -05:00
name_table.c tipc: add functionality to lookup multicast destination nodes 2017-01-20 12:10:16 -05:00
name_table.h tipc: add functionality to lookup multicast destination nodes 2017-01-20 12:10:16 -05:00
net.c tipc: Fix tipc_sk_reinit race conditions 2017-02-17 12:28:35 -05:00
net.h tipc: add peer removal functionality 2016-08-18 23:36:07 -07:00
netlink.c genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
netlink.h tipc: make cluster size threshold for monitoring configurable 2016-07-26 14:26:42 -07:00
netlink_compat.c genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
node.c tipc: move premature initilalization of stack variables 2017-02-24 11:42:54 -05:00
node.h tipc: make replicast a user selectable option 2017-01-20 12:10:17 -05:00
server.c tipc: fix cleanup at module unload 2017-01-24 16:14:58 -05:00
server.h tipc: fix a race condition leading to subscriber refcnt bug 2016-04-14 16:46:46 -04:00
socket.c tipc: close the connection if protocol messages contain errors 2017-04-28 12:20:42 -04:00
socket.h tipc: redesign connection-level flow control 2016-05-03 15:51:16 -04:00
subscr.c tipc: fix nametbl deadlock at tipc_nametbl_unsubscribe 2017-03-22 11:59:16 -07:00
subscr.h tipc: add subscription refcount to avoid invalid delete 2017-01-24 16:14:57 -05:00
sysctl.c tipc: add name distributor resiliency queue 2014-09-01 17:51:48 -07:00
udp_media.c tipc: add function for checking broadcast support in bearer 2017-01-20 12:10:15 -05:00
udp_media.h tipc: add UDP remoteip dump to netlink API 2016-08-26 21:38:41 -07:00