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Jan Kara 3ea26602da init: Initialize noop_backing_dev_info early 
[ Upstream commit 4bca7e80b6 ]

noop_backing_dev_info is used by superblocks of various
pseudofilesystems such as kdevtmpfs. After commit 10e1407310
("writeback: Fix inode->i_io_list not be protected by inode->i_lock
error") this broke because __mark_inode_dirty() started to access more
fields from noop_backing_dev_info and this led to crashes inside
locked_inode_to_wb_and_lock_list() called from __mark_inode_dirty().
Fix the problem by initializing noop_backing_dev_info before the
filesystems get mounted.

Fixes: 10e1407310 ("writeback: Fix inode->i_io_list not be protected by inode->i_lock error")
Reported-and-tested-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reported-and-tested-by: Alexandru Elisei <alexandru.elisei@arm.com>
Reported-and-tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-22 14:28:03 +02:00
arch arm64: ftrace: consistently handle PLTs. 2022-06-22 14:28:02 +02:00
block blk-mq: do not update io_ticks with passthrough requests 2022-06-14 18:44:57 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:28:03 +02:00
crypto crypto: cryptd - Protect per-CPU resource by disabling BH. 2022-06-09 10:30:30 +02:00
Documentation x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data 2022-06-16 13:32:04 +02:00
drivers init: Initialize noop_backing_dev_info early 2022-06-22 14:28:03 +02:00
fs io_uring: fix races with buffer table unregister 2022-06-22 14:27:59 +02:00
include init: Initialize noop_backing_dev_info early 2022-06-22 14:28:03 +02:00
init gcc-12: disable '-Warray-bounds' universally for now 2022-06-22 14:27:55 +02:00
ipc ipc/mqueue: use get_tree_nodev() in mqueue_get_tree() 2022-06-09 10:30:30 +02:00
kernel dma-debug: make things less spammy under memory pressure 2022-06-22 14:27:49 +02:00
lib iov_iter: fix build issue due to possible type mis-match 2022-06-14 18:45:21 +02:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm init: Initialize noop_backing_dev_info early 2022-06-22 14:28:03 +02:00
net net: ax25: Fix deadlock caused by skb_recv_datagram in ax25_recvmsg 2022-06-22 14:28:02 +02:00
samples samples/landlock: Format with clang-format 2022-06-09 10:30:46 +02:00
scripts scripts/gdb: change kernel config dumping method 2022-06-14 18:45:15 +02:00
security KEYS: trusted: tpm2: Fix migratable logic 2022-06-14 18:45:17 +02:00
sound ALSA: hda/realtek - Add HW8326 support 2022-06-22 14:27:53 +02:00
tools KVM: x86/speculation: Disable Fill buffer clear within guests 2022-06-16 13:32:05 +02:00
usr Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
virt KVM: Free new dirty bitmap if creating a new memslot fails 2022-05-20 13:02:05 -04:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap hotfixes for 5.18-rc7 2022-05-13 10:22:37 -07:00
COPYING
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
Kbuild
Kconfig
MAINTAINERS Merge branch 'arm/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc 2022-05-18 14:07:43 -10:00
Makefile gcc-12: disable '-Warray-bounds' universally for now 2022-06-22 14:27:55 +02:00
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.