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Dexuan Cui b4562ca792 hv_sock: add locking in the open/close/release code paths
Without the patch, when hvs_open_connection() hasn't completely established
a connection (e.g. it has changed sk->sk_state to SS_CONNECTED, but hasn't
inserted the sock into the connected queue), vsock_stream_connect() may see
the sk_state change and return the connection to the userspace, and next
when the userspace closes the connection quickly, hvs_release() may not see
the connection in the connected queue; finally hvs_open_connection()
inserts the connection into the queue, but we won't be able to purge the
connection for ever.

Signed-off-by: Dexuan Cui <decui@microsoft.com>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Cathy Avery <cavery@redhat.com>
Cc: Rolf Neugebauer <rolf.neugebauer@docker.com>
Cc: Marcelo Cerri <marcelo.cerri@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-21 02:21:08 +01:00
arch Merge branch 'ppc-bundle' (bundle from Michael Ellerman) 2017-10-09 19:08:32 -07:00
block
certs
crypto
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-10-09 16:25:00 -07:00
drivers net: ena: fix wrong max Tx/Rx queues on ethtool 2017-10-19 12:49:15 +01:00
firmware
fs NFS client bugfixes for Linux 4.14 2017-10-09 10:55:37 -07:00
include tcp/dccp: fix ireq->opt races 2017-10-21 01:33:19 +01:00
init
ipc
kernel bpf: require CAP_NET_ADMIN when using devmap 2017-10-20 13:01:29 +01:00
lib
mm mm, percpu: add support for __GFP_NOWARN flag 2017-10-19 13:13:49 +01:00
net hv_sock: add locking in the open/close/release code paths 2017-10-21 02:21:08 +01:00
samples bpf: avoid preempt enable/disable in sockmap using tcp_skb_cb region 2017-10-20 13:01:29 +01:00
scripts
security
sound
tools bpf: remove mark access for SK_SKB program types 2017-10-20 13:01:29 +01:00
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 4.14-rc4 2017-10-08 20:53:29 -07:00
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.