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Daniil Tatianin 56f4ca0a79 ring_buffer: Do not deactivate non-existant pages 
rb_head_page_deactivate() expects cpu_buffer to contain a valid list of
->pages, so verify that the list is actually present before calling it.

Found by Linux Verification Center (linuxtesting.org) with the SVACE
static analysis tool.

Link: https://lkml.kernel.org/r/20221114143129.3534443-1-d-tatianin@yandex-team.ru

Cc: stable@vger.kernel.org
Fixes: 77ae365eca895 ("ring-buffer: make lockless")
Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-11-17 17:10:40 -05:00
arch
- fix jump label branch range check
2022-11-13 07:57:33 -08:00
block
block-6.1-2022-11-11
2022-11-11 14:08:30 -08:00
certs
certs: make system keyring depend on built-in x509 parser
2022-09-24 04:31:18 +09:00
crypto
treewide: use get_random_bytes() when possible
2022-10-11 17:42:58 -06:00
Documentation
22 hotfixes. 8 are cc:stable and the remainder address issues which were
2022-11-11 17:18:42 -08:00
drivers
Third batch of EFI fixes for v6.1
2022-11-13 07:52:22 -08:00
fs
22 hotfixes. 8 are cc:stable and the remainder address issues which were
2022-11-11 17:18:42 -08:00
include
tracing: Fix warning on variable 'struct trace_array'
2022-11-16 21:52:05 -05:00
init
init: Kconfig: fix spelling mistake "satify" -> "satisfy"
2022-10-20 21:27:22 -07:00
io_uring
io_uring/poll: lockdep annote io_poll_req_insert_locked
2022-11-11 09:59:27 -07:00
ipc
ipc/msg.c: fix percpu_counter use after free
2022-10-28 13:37:22 -07:00
kernel
ring_buffer: Do not deactivate non-existant pages
2022-11-17 17:10:40 -05:00
lib
maple_tree: don't set a new maximum on the node when not reusing nodes
2022-11-08 15:57:25 -08:00
LICENSES
LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers
2021-12-16 14:33:10 +01:00
mm
22 hotfixes. 8 are cc:stable and the remainder address issues which were
2022-11-11 17:18:42 -08:00
net
mctp: Fix an error handling path in mctp_init()
2022-11-09 19:26:08 -08:00
rust
Kbuild: add Rust support
2022-09-28 09:02:20 +02:00
samples
VFIO updates for v6.1-rc1
2022-10-12 14:46:48 -07:00
scripts
s390 updates for 6.1-rc5
2022-11-11 11:49:20 -08:00
security
lsm/stable-6.1 PR 20221031
2022-10-31 12:09:42 -07:00
sound
ALSA: memalloc: Try dma_alloc_noncontiguous() at first
2022-11-12 09:48:51 +01:00
tools
22 hotfixes. 8 are cc:stable and the remainder address issues which were
2022-11-11 17:18:42 -08:00
usr
usr/gen_init_cpio.c: remove unnecessary -1 values from int file
2022-10-03 14:21:44 -07:00
virt
Merge tag 'kvmarm-fixes-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
2022-11-06 03:30:49 -05:00
.clang-format
PCI/DOE: Add DOE mailbox support functions
2022-07-19 15:38:04 -07:00
.cocciconfig
…
.get_maintainer.ignore
get_maintainer: add Alan to .get_maintainer.ignore
2022-08-20 15:17:44 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
Kbuild: add Rust support
2022-09-28 09:02:20 +02:00
.mailmap
mailmap: update email for Qais Yousef
2022-10-20 21:27:21 -07:00
.rustfmt.toml
rust: add .rustfmt.toml
2022-09-28 09:02:20 +02:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Move Vivien to CREDITS
2022-11-10 13:53:53 -08:00
Kbuild
Kbuild updates for v6.1
2022-10-10 12:00:45 -07:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
hyperv-fixes for v6.1-rc5
2022-11-11 09:24:03 -08:00
Makefile
Linux 6.1-rc5
2022-11-13 13:12:55 -08:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -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.

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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