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Filename Latest commit message Latest commit date
Sachin Prabhu 62a6cfddcc cifs: Do not send echoes before Negotiate is complete
commit 4fcd1813e6 ("Fix reconnect to not defer smb3 session reconnect
long after socket reconnect") added support for Negotiate requests to
be initiated by echo calls.

To avoid delays in calling echo after a reconnect, I added the patch
introduced by the commit b8c600120f ("Call echo service immediately
after socket reconnect").

This has however caused a regression with cifs shares which do not have
support for echo calls to trigger Negotiate requests. On connections
which need to call Negotiation, the echo calls trigger an error which
triggers a reconnect which in turn triggers another echo call. This
results in a loop which is only broken when an operation is performed on
the cifs share. For an idle share, it can DOS a server.

The patch uses the smb_operation can_echo() for cifs so that it is
called only if connection has been already been setup.

kernel bz: 194531

Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Tested-by: Jonathan Liu <net147@gmail.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <smfrench@gmail.com>
2017-04-17 15:44:23 -05:00
arch ARM: SoC fixes 2017-04-16 12:38:17 -07:00
block blk-mq: Restart a single queue if tag sets are shared 2017-04-07 12:40:09 -06:00
certs
crypto
Documentation Driver core fixes for 4.11-rc6 2017-04-09 09:03:51 -07:00
drivers ARM: SoC fixes 2017-04-16 12:38:17 -07:00
firmware
fs cifs: Do not send echoes before Negotiate is complete 2017-04-17 15:44:23 -05:00
include ARM: SoC fixes 2017-04-16 12:38:17 -07:00
init
ipc
kernel Merge branch 'for-4.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2017-04-16 11:48:10 -07:00
lib Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-04-06 11:57:04 -07:00
mm zsmalloc: expand class bit 2017-04-13 18:24:21 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2017-04-14 10:47:13 -04:00
samples statx: Include a mask for stx_attributes in struct statx 2017-04-03 01:06:00 -04:00
scripts Kbuild fixes for v4.11 2017-04-05 08:37:28 -07:00
security
sound
tools Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-04-14 16:58:38 -07:00
usr
virt KVM/ARM Fixes for v4.11-rc6 2017-04-05 16:27:47 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap mailmap: add Martin Kepplinger's email 2017-04-13 18:24:21 -07:00
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS virtio: oops fixes 2017-04-14 08:49:39 -07:00
Makefile Linux 4.11-rc7 2017-04-16 13:00:18 -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.