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Filename Latest commit message Latest commit date
Florian Westphal 71ad00c50d netfilter: nf_tables: fix module unload race
We must first remove the nfnetlink protocol handler when nf_tables module
is unloaded -- we don't want userspace to submit new change requests once
we've started to tear down nft state.

Furthermore, nfnetlink must not call any subsystem function after
call_batch returned -EAGAIN.

EAGAIN means the subsys mutex was dropped, so its unlikely but possible that
nf_tables subsystem was removed due to 'rmmod nf_tables' on another cpu.

Therefore, we must abort batch completely and not move on to next part of
the batch.

Last, we can't invoke ->abort unless we've checked that the subsystem is
still registered.

Change netns exit path of nf_tables to make sure any incompleted
transaction gets removed on exit.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2018-06-12 19:28:18 +02:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-06-10 19:25:23 -07:00
block for-linus-20180610 2018-06-10 10:50:41 -07:00
certs
crypto
Documentation RTC for 4.18 2018-06-10 16:13:24 -07:00
drivers ixgbe: Fix bit definitions and add support for testing for ipsec support 2018-06-11 08:50:51 -07:00
firmware
fs This pull request contains updates for both UBI and UBIFS: 2018-06-10 15:52:09 -07:00
include netfilter: nft_dynset: do not reject set updates with NFT_SET_EVAL 2018-06-12 19:12:48 +02:00
init Merge branch 'core-rseq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-06-10 10:17:09 -07:00
ipc
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2018-06-11 17:37:03 -07:00
lib libnvdimm for 4.18 2018-06-08 17:21:52 -07:00
LICENSES
mm libnvdimm for 4.18 2018-06-08 17:21:52 -07:00
net netfilter: nf_tables: fix module unload race 2018-06-12 19:28:18 +02:00
samples
scripts Staging/IIO patches for 4.18-rc1 2018-06-09 10:32:39 -07:00
security
sound
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2018-06-11 17:37:03 -07:00
usr
virt arm64 updates for 4.18: 2018-06-08 11:10:58 -07:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
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COPYING
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Kbuild
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MAINTAINERS SCSI misc on 20180610 2018-06-10 13:01:12 -07:00
Makefile
README

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

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.