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Sasha Levin e131e0e880 stable: clamp SUBLEVEL in 4.14 
Right now SUBLEVEL is overflowing, and some userspace may start treating
4.14.256 as 4.15. While out of tree modules have different ways of
extracting the version number (and we're generally ok with breaking
them), we do care about breaking userspace and it would appear that this
overflow might do just that.

Our rules around userspace ABI in the stable kernel are pretty simple:
we don't break it. Thus, while userspace may be checking major/minor, it
shouldn't be doing anything with sublevel.

This patch applies a big band-aid to the 4.14 kernel in the form of
clamping the sublevel to 255.

The clamp is done for the purpose of LINUX_VERSION_CODE only, and
extracting the version number from the Makefile or "make kernelversion"
will continue to work as intended.

We might need to do it later in newer trees, but maybe we'll have a
better solution by then, so I'm ignoring that problem for now.

Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-20 10:42:02 +02:00
arch perf/x86: Reset destroy callback on event init failure 2021-10-17 10:08:34 +02:00
block blk-throttle: fix UAF by deleteing timer in blk_throtl_exit() 2021-09-26 13:37:30 +02:00
certs certs: Trigger creation of RSA module signing key if it's not an RSA key 2021-09-22 11:45:19 +02:00
crypto crypto: shash - avoid comparing pointers to exported functions under CFI 2021-07-20 16:17:32 +02:00
Documentation dt-bindings: mtd: gpmc: Fix the ECC bytes vs. OOB bytes equation 2021-09-22 11:45:34 +02:00
drivers scsi: virtio_scsi: Fix spelling mistake "Unsupport" -> "Unsupported" 2021-10-17 10:08:34 +02:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:20:30 +01:00
fs nfsd4: Handle the NFSv4 READDIR 'dircount' hint being zero 2021-10-17 10:08:32 +02:00
include sched: Always inline is_percpu_thread() 2021-10-17 10:08:34 +02:00
init pid: take a reference when initializing cad_pid 2021-06-10 12:43:51 +02:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:17:07 +02:00
kernel bpf: Fix integer overflow in prealloc_elems_and_freelist() 2021-10-17 10:08:32 +02:00
lib bpf: add also cbpf long jump test cases with heavy expansion 2021-10-17 10:08:32 +02:00
mm mm/memory_hotplug: use "unsigned long" for PFN in zone_for_pfn_range() 2021-09-22 11:45:34 +02:00
net mac80211: Drop frames from invalid MAC address in ad-hoc mode 2021-10-17 10:08:34 +02:00
samples samples/bpf: Fix the error return code of xdp_redirect's main() 2021-07-20 16:17:37 +02:00
scripts scripts/tracing: fix the bug that can't parse raw_trace_func 2021-08-15 13:03:31 +02:00
security apparmor: remove duplicate macro list_entry_is_head() 2021-09-26 13:37:28 +02:00
sound ASoC: rockchip: i2s: Fixup config for DAIFMT_DSP_A/B 2021-09-22 11:45:31 +02:00
tools usb: testusb: Fix for showing the connection speed 2021-10-09 14:09:46 +02:00
usr initramfs: restore default compression behavior 2020-04-13 10:34:19 +02:00
virt KVM: Use kvm_pfn_t for local PFN variable in hva_to_pfn_remapped() 2021-08-08 08:53:29 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS MAINTAINERS: Update drm/i915 bug filing URL 2020-02-28 16:36:12 +01:00
Makefile stable: clamp SUBLEVEL in 4.14 2021-10-20 10:42:02 +02:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

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.