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Filename Latest commit message Latest commit date
Sean Rees a810007afe mm/slub.c: fix random_seq offset destruction
Commit 210e7a43fa ("mm: SLUB freelist randomization") broke USB hub
initialisation as described in

  https://bugzilla.kernel.org/show_bug.cgi?id=177551.

Bail out early from init_cache_random_seq if s->random_seq is already
initialised.  This prevents destroying the previously computed
random_seq offsets later in the function.

If the offsets are destroyed, then shuffle_freelist will truncate
page->freelist to just the first object (orphaning the rest).

Fixes: 210e7a43fa ("mm: SLUB freelist randomization")
Link: http://lkml.kernel.org/r/20170207140707.20824-1-sean@erifax.org
Signed-off-by: Sean Rees <sean@erifax.org>
Reported-by: <userwithuid@gmail.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Thomas Garnier <thgarnie@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-08 15:41:43 -08:00
arch ARC: [arcompact] brown paper bag bug in unaligned access delay slot fixup 2017-02-07 10:02:01 -08:00
block
certs
crypto
Documentation media fixes for v4.10-rc8 2017-02-06 14:37:55 -08:00
drivers mm: avoid returning VM_FAULT_RETRY from ->page_mkwrite handlers 2017-02-08 15:41:43 -08:00
firmware
fs mm: fix KPF_SWAPCACHE in /proc/kpageflags 2017-02-07 12:08:32 -08:00
include cpumask: use nr_cpumask_bits for parsing functions 2017-02-08 15:41:43 -08:00
init
ipc
kernel kernel/ucount.c: mark user_header with kmemleak_ignore() 2017-02-08 15:41:43 -08:00
lib
mm mm/slub.c: fix random_seq offset destruction 2017-02-08 15:41:43 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-02-07 12:10:57 -08:00
samples
scripts
security
sound
tools
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS virtio, vhost: last minute fixes 2017-02-03 15:43:30 -08:00
Makefile Linux 4.10-rc7 2017-02-05 15:10:58 -08:00
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.