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9903a91c76
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Eric Biggers 9903a91c76 pipe: fix off-by-one error when checking buffer limits 
With pipe-user-pages-hard set to 'N', users were actually only allowed up
to 'N - 1' buffers; and likewise for pipe-user-pages-soft.

Fix this to allow up to 'N' buffers, as would be expected.

Link: http://lkml.kernel.org/r/20180111052902.14409-5-ebiggers3@gmail.com
Fixes: b0b91d18e2 ("pipe: fix limit checking in pipe_set_size()")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Joe Lawrence <joe.lawrence@redhat.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: "Luis R . Rodriguez" <mcgrof@kernel.org>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Mikulas Patocka <mpatocka@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-02-06 18:32:47 -08:00
arch arch/score/kernel/setup.c: combine two seq_printf() calls into one call in show_cpuinfo() 2018-02-06 18:32:47 -08:00
block for-linus-20180204 2018-02-04 11:16:35 -08:00
certs
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-01-31 14:22:45 -08:00
Documentation Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs 2018-02-05 13:05:20 -08:00
drivers pps: parport: use timespec64 instead of timespec 2018-02-06 18:32:46 -08:00
firmware
fs pipe: fix off-by-one error when checking buffer limits 2018-02-06 18:32:47 -08:00
include pipe, sysctl: remove pipe_proc_fn() 2018-02-06 18:32:47 -08:00
init init_task out-of-lining 2018-01-29 09:08:34 -08:00
ipc ipc/mqueue.c: have RT tasks queue in by priority in wq_add() 2018-02-06 18:32:46 -08:00
kernel pipe, sysctl: remove pipe_proc_fn() 2018-02-06 18:32:47 -08:00
lib kasan: rework Kconfig settings 2018-02-06 18:32:47 -08:00
LICENSES
mm mm/memblock: memblock_is_map/region_memory can be boolean 2018-02-06 18:32:47 -08:00
net build_bug.h: remove BUILD_BUG_ON_NULL() 2018-02-06 18:32:46 -08:00
samples Driver Core updates for 4.16-rc1 2018-02-01 10:00:28 -08:00
scripts kasan: rework Kconfig settings 2018-02-06 18:32:47 -08:00
security pids: introduce find_get_task_by_vpid() helper 2018-02-06 18:32:46 -08:00
sound Driver Core updates for 4.16-rc1 2018-02-01 10:00:28 -08:00
tools lib: optimize cpumask_next_and() 2018-02-06 18:32:44 -08:00
usr
virt Currently, hardened usercopy performs dynamic bounds checking on slab 2018-02-03 16:25:42 -08:00
.cocciconfig
.get_maintainer.ignore Add hch to .get_maintainer.ignore 2015-08-21 14:30:10 -07:00
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: update sboyd's email address 2018-02-06 18:32:44 -08:00
Makefile Makefile: introduce CONFIG_CC_STACKPROTECTOR_AUTO 2018-02-06 18:32:44 -08:00
README

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.