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linux/net/tipc/socket.c
Erik Hugne 8ef544dce0 tipc: fix message importance range check 
[ Upstream commit ac32c7f705 ]

Commit 3b4f302d85 ("tipc: eliminate
redundant locking") introduced a bug by removing the sanity check
for message importance, allowing programs to assign any value to
the msg_user field. This will mess up the packet reception logic
and may cause random link resets.

Signed-off-by: Erik Hugne <erik.hugne@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-15 12:05:27 +02:00

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