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Vincent Whitchurch 08bab74ae6 squashfs: fix cache race with migration
Migration replaces the page in the mapping before copying the contents and
the flags over from the old page, so check that the page in the page cache
is really up to date before using it.  Without this, stressing squashfs
reads with parallel compaction sometimes results in squashfs reporting
data corruption.

Link: https://lkml.kernel.org/r/20230629-squashfs-cache-migration-v1-1-d50ebe55099d@axis.com
Fixes: e994f5b677 ("squashfs: cache partial compressed blocks")
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Phillip Lougher <phillip@squashfs.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-07-08 09:29:30 -07:00
Documentation docs: update ocfs2-devel mailing list address 2023-07-08 09:29:29 -07:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
arch parisc architecture fixes and updates for kernel v6.5-rc1: 2023-07-02 10:02:35 -07:00
block SCSI misc on 20230629 2023-06-30 11:57:07 -07:00
certs KEYS: Add missing function documentation 2023-04-24 16:15:52 +03:00
crypto This update includes the following changes: 2023-06-30 21:27:13 -07:00
drivers Biggest news is not a patch this time 2023-07-02 10:22:38 -07:00
fs squashfs: fix cache race with migration 2023-07-08 09:29:30 -07:00
include Biggest news is not a patch this time 2023-07-02 10:22:38 -07:00
init Kbuild updates for v6.5 2023-07-01 09:24:31 -07:00
io_uring \n 2023-06-29 13:31:44 -07:00
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel fork: lock VMAs of the parent process when forking 2023-07-08 09:29:29 -07:00
lib This update includes the following changes: 2023-06-30 21:27:13 -07:00
mm mm/hugetlb.c: fix a bug within a BUG(): inconsistent pte comparison 2023-07-08 09:29:29 -07:00
net NFS client updates for Linux 6.5 2023-07-01 14:38:25 -07:00
rust rust: error: `impl Debug` for `Error` with `errname()` integration 2023-06-13 01:24:42 +02:00
samples Probes updates for v6.5: 2023-06-30 10:44:53 -07:00
scripts Kbuild updates for v6.5 2023-07-01 09:24:31 -07:00
security powerpc updates for 6.5 2023-06-30 09:20:08 -07:00
sound ARM: SoC changes for 6.5 2023-06-29 15:28:33 -07:00
tools cxl for v6.5 2023-07-01 08:58:41 -07:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt - Yosry Ahmed brought back some cgroup v1 stats in OOM logs. 2023-06-28 10:28:11 -07:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without recursion 2023-06-22 21:21:06 +09:00
.mailmap drm changes for 6.5-rc1: 2023-06-29 11:00:17 -07:00
.rustfmt.toml
COPYING
CREDITS - Address -Wmissing-prototype warnings 2023-06-26 16:43:54 -07:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig
MAINTAINERS MAINTAINERS: update ocfs2-devel mailing list address 2023-07-08 09:29:29 -07:00
Makefile Kbuild updates for v6.5 2023-07-01 09:24:31 -07:00
README

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.