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Kiselev, Oleg 7bdfb01fc5 ext4: avoid resizing to a partial cluster size 
[ Upstream commit 69cb8e9d8c ]

This patch avoids an attempt to resize the filesystem to an
unaligned cluster boundary.  An online resize to a size that is not
integral to cluster size results in the last iteration attempting to
grow the fs by a negative amount, which trips a BUG_ON and leaves the fs
with a corrupted in-memory superblock.

Signed-off-by: Oleg Kiselev <okiselev@amazon.com>
Link: https://lore.kernel.org/r/0E92A0AB-4F16-4F1A-94B7-702CC6504FDE@amazon.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2022-08-25 11:15:45 +02:00
Documentation locking/atomic: Make test_and_*_bit() ordered on failure 2022-08-25 11:15:42 +02:00
LICENSES LICENSES: Remove CC-BY-SA-4.0 license text 2018-10-18 11:28:50 +02:00
arch powerpc/pci: Fix get_phb_number() locking 2022-08-25 11:15:41 +02:00
block blk-iolatency: Fix inflight count imbalances and IO hangs on offline 2022-06-14 16:59:30 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-25 11:49:16 +02:00
crypto crypto: drbg - make reseeding from get_random_bytes() synchronous 2022-06-25 11:49:13 +02:00
drivers drivers:md:fix a potential use-after-free bug 2022-08-25 11:15:44 +02:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:21:29 +01:00
fs ext4: avoid resizing to a partial cluster size 2022-08-25 11:15:45 +02:00
include locking/atomic: Make test_and_*_bit() ordered on failure 2022-08-25 11:15:42 +02:00
init random: handle latent entropy and command line from random_init() 2022-06-25 11:49:11 +02:00
ipc shm: extend forced shm destroy to support objects from several IPC nses 2021-12-08 08:50:11 +01:00
kernel tracing: Have filter accept "common_cpu" to be consistent 2022-08-25 11:15:35 +02:00
lib ida: don't use BUG_ON() for debugging 2022-07-12 16:29:03 +02:00
mm mm/mmap.c: fix missing call to vm_unacct_memory in mmap_region 2022-08-25 11:15:18 +02:00
net netfilter: nf_tables: really skip inactive sets when allocating name 2022-08-25 11:15:41 +02:00
samples samples/kretprobes: Fix return value if register_kretprobe() failed 2021-11-26 11:36:11 +01:00
scripts gcc-plugins: Undefine LATENT_ENTROPY_PLUGIN when plugin disabled for a file 2022-08-25 11:15:42 +02:00
security apparmor: Fix memleak in aa_simple_write_to_buffer() 2022-08-25 11:15:36 +02:00
sound ALSA: info: Fix llseek return value when using callback 2022-08-25 11:15:33 +02:00
tools tools build: Switch to new openssl API for test-libcrypto 2022-08-25 11:15:39 +02:00
usr initramfs: restore default compression behavior 2020-04-13 10:44:59 +02:00
virt KVM: Add infrastructure and macro to mark VM as bugged 2022-08-25 11:15:31 +02:00
.clang-format clang-format: Set IndentWrappedFunctionNames false 2018-08-01 18:38:51 +02:00
.cocciconfig
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.get_maintainer.ignore
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.gitattributes
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.gitignore Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
.mailmap libnvdimm-for-4.19_misc 2018-08-25 18:13:10 -07:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS 9p: remove Ron Minnich from MAINTAINERS 2018-08-17 16:20:26 -07:00
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS MAINTAINERS: co-maintain random.c 2022-06-25 11:49:01 +02:00
Makefile Makefile: link with -z noexecstack --no-warn-rwx-segments 2022-08-25 11:14:50 +02:00
README Docs: Added a pointer to the formatted docs to README 2018-03-21 09:02:53 -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.
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.