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Xin Long 1cc4a01866 netfilter: ipvs: fix the issue that sctp_conn_schedule drops non-INIT packet 
Commit 5e26b1b3ab ("ipvs: support scheduling inverse and icmp SCTP
packets") changed to check packet type early. It introduced a side
effect: if it's not a INIT packet, ports will be set as  NULL, and
the packet will be dropped later.

It caused that sctp couldn't create connection when ipvs module is
loaded and any scheduler is registered on server.

Li Shuang reproduced it by running the cmds on sctp server:
  # ipvsadm -A -t 1.1.1.1:80 -s rr
  # ipvsadm -D -t 1.1.1.1:80
then the server could't work any more.

This patch is to return 1 when it's not an INIT packet. It means ipvs
will accept it without creating a conn for it, just like what it does
for tcp.

Fixes: 5e26b1b3ab ("ipvs: support scheduling inverse and icmp SCTP packets")
Reported-by: Li Shuang <shuali@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2017-09-08 13:40:02 +02:00
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net netfilter: ipvs: fix the issue that sctp_conn_schedule drops non-INIT packet 2017-09-08 13:40:02 +02:00
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README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.