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Alexey Dobriyan 24b2ec2119 proc: check permissions earlier for /proc/*/wchan

get_wchan() accesses stack page before permissions are checked, let's
not play this game.

Link: http://lkml.kernel.org/r/20180217071923.GA16074@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2018-04-11 10:28:33 -07:00

arch

ARM: CMA: avoid double mapping to the CMA area if CONFIG_HIGHMEM=y

2018-04-11 10:28:32 -07:00

block

Merge tag 'for-4.17/block-20180402' of git://git.kernel.dk/linux-block

2018-04-05 14:27:02 -07:00

certs

certs/blacklist_nohashes.c: fix const confusion in certs blacklist

2018-02-21 15:35:43 -08:00

crypto

Merge tag 'mips_4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips

2018-04-10 11:39:22 -07:00

Documentation

mm/page_alloc: don't reserve ZONE_HIGHMEM for ZONE_MOVABLE request

2018-04-11 10:28:32 -07:00

drivers

proc: add seq_put_decimal_ull_width to speed up /proc/pid/smaps

2018-04-11 10:28:33 -07:00

firmware

kbuild: remove all dummy assignments to obj-

2017-11-18 11:46:06 +09:00

proc: check permissions earlier for /proc/*/wchan

2018-04-11 10:28:33 -07:00

include

proc: add seq_put_decimal_ull_width to speed up /proc/pid/smaps

2018-04-11 10:28:33 -07:00

init

Merge tag 'trace-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2018-04-10 11:27:30 -07:00

ipc

proc: move /proc/sysvipc creation to where it belongs

2018-04-11 10:28:33 -07:00

kernel

Merge tag 'trace-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2018-04-10 11:27:30 -07:00

lib

proc: add seq_put_decimal_ull_width to speed up /proc/pid/smaps

2018-04-11 10:28:33 -07:00

LICENSES

LICENSES: Add MPL-1.1 license

2018-01-06 10:59:44 -07:00

kasan, slub: fix handling of kasan_slab_free hook

2018-04-11 10:28:32 -07:00

net

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2018-04-09 17:04:10 -07:00

samples

Merge tag 'vfio-v4.17-rc1' of git://github.com/awilliam/linux-vfio

2018-04-06 19:44:27 -07:00

scripts

Merge tag 'leaks-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tobin/leaks

2018-04-07 11:56:33 -07:00

security

Merge tag 'trace-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2018-04-10 11:27:30 -07:00

sound

Merge tag 'sound-fix-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

2018-04-10 10:16:04 -07:00

tools

Merge tag 'trace-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2018-04-10 11:27:30 -07:00

usr

kbuild: rename built-in.o to built-in.a

2018-03-26 02:01:19 +09:00

virt

Merge tag 'kvm-arm-for-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm

2018-03-28 16:09:09 +02:00

.cocciconfig

scripts: add Linux .cocciconfig for coccinelle

2016-07-22 12:13:39 +02:00

.get_maintainer.ignore

Add hch to .get_maintainer.ignore

2015-08-21 14:30:10 -07:00

.gitattributes

.gitattributes: set git diff driver for C source code files

2016-10-07 18:46:30 -07:00

.gitignore

kbuild: move include/config/ksym/* to include/ksym/*

2018-03-26 02:01:23 +09:00

.mailmap

Merge tag 'for-linus-unmerged' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

2018-04-06 17:35:43 -07:00

COPYING

COPYING: use the new text with points to the license files

2018-03-23 12:41:45 -06:00

CREDITS

MAINTAINERS/CREDITS: Drop METAG ARCHITECTURE

2018-03-05 16:34:24 +00:00

Kbuild

Merge tag 'kbuild-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2017-11-17 17:45:29 -08:00

Kconfig

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

MAINTAINERS

mm/hmm: documentation editorial update to HMM documentation

2018-04-11 10:28:30 -07:00

Makefile

Merge tag 'kconfig-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2018-04-03 16:28:01 -07:00

README

Docs: Added a pointer to the formatted docs to README

2018-03-21 09:02:53 -06:00

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.
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.

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