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Filename Latest commit message Latest commit date
Vlad Buslov b62989fc4e net: sched: fix potential use-after-free in __tcf_chain_put()
When used with unlocked classifier that have filters attached to actions
with goto chain, __tcf_chain_put() for last non action reference can race
with calls to same function from action cleanup code that releases last
action reference. In this case action cleanup handler could free the chain
if it executes after all references to chain were released, but before all
concurrent users finished using it. Modify __tcf_chain_put() to only access
tcf_chain fields when holding block->lock. Remove local variables that were
used to cache some tcf_chain fields and are no longer needed because their
values can now be obtained directly from chain under block->lock
protection.

Fixes: 726d061286 ("net: sched: prevent insertion of new classifiers during chain flush")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-03-08 15:17:47 -08:00
arch ARM: dts: stm32: Add Ethernet support on stm32h7 SOC and activate it for eval and disco boards 2019-03-08 11:48:19 -08:00
block for-linus-20190215 2019-02-15 09:12:28 -08:00
certs
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-03-05 09:09:55 -08:00
Documentation dt-bindings: net: stmmac: remove syscfg clock property 2019-03-08 11:48:19 -08:00
drivers vhost: silence an unused-variable warning 2019-03-08 15:17:03 -08:00
firmware
fs a.out: remove core dumping support 2019-03-05 10:00:35 -08:00
include net: add missing documentation in linux/skbuff.h 2019-03-08 14:38:19 -08:00
init revert "initramfs: cleanup incomplete rootfs" 2019-02-21 09:00:59 -08:00
ipc
kernel s390 updates for the 5.1 merge window 2019-03-05 11:13:10 -08:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-03-04 13:26:15 -08:00
LICENSES
mm Merge branch 'akpm' (patches from Andrew) 2019-03-01 09:04:59 -08:00
net net: sched: fix potential use-after-free in __tcf_chain_put() 2019-03-08 15:17:47 -08:00
samples Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-03-05 08:26:13 -08:00
scripts kasan: turn off asan-stack for clang-8 and earlier 2019-03-01 09:02:33 -08:00
security get rid of legacy 'get_ds()' function 2019-03-04 10:50:14 -08:00
sound sound fixes for 5.0 2019-02-20 09:42:52 -08:00
tools selftest/net: Remove duplicate header 2019-03-04 11:35:51 -08:00
usr
virt kvm: properly check debugfs dentry before using it 2019-02-28 08:57:32 -08:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap .mailmap: Add Mathieu Othacehe 2019-02-21 11:41:19 +00:00
COPYING
CREDITS CREDITS/MAINTAINERS: Retire parisc-linux.org email domain 2019-02-21 20:16:10 +01:00
Kbuild
Kconfig
MAINTAINERS appletalk: Add atalk.h header files to MAINTAINERS file 2019-03-06 10:46:43 -08:00
Makefile Linux 5.0 2019-03-03 15:21:29 -08:00
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.

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.