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Robbie Ko 0425813c22 btrfs: fix missing semaphore unlock in btrfs_sync_file 
commit 6ff06729c2 upstream.

Ordered ops are started twice in sync file, once outside of inode mutex
and once inside, taking the dio semaphore. There was one error path
missing the semaphore unlock.

Fixes: aab15e8ec2 ("Btrfs: fix rare chances for data loss when doing a fast fsync")
CC: stable@vger.kernel.org # 4.19+
Signed-off-by: Robbie Ko <robbieko@synology.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
[ add changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-17 10:50:15 +02:00
arch
KVM: VMX: fix crash cleanup when KVM wasn't used
2020-04-17 10:50:14 +02:00
block
block, bfq: fix use-after-free in bfq_idle_slice_timer_body
2020-04-17 10:50:05 +02:00
certs
PKCS#7: Refactor verify_pkcs7_signature()
2019-08-05 18:40:18 -04:00
crypto
crypto: rename sm3-256 to sm3 in hash_algo_name
2020-02-28 17:22:26 +01:00
Documentation
ALSA: hda/realtek - Remove now-unnecessary XPS 13 headphone noise fixups
2020-04-17 10:50:08 +02:00
drivers
mtd: spinand: Do not erase the block before writing a bad block marker
2020-04-17 10:50:14 +02:00
fs
btrfs: fix missing semaphore unlock in btrfs_sync_file
2020-04-17 10:50:15 +02:00
include
signal: Extend exec_id to 64bits
2020-04-17 10:50:12 +02:00
init
kbuild: remove header compile test
2020-03-05 16:43:47 +01:00
ipc
Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()"
2020-02-28 17:22:20 +01:00
kernel
signal: Extend exec_id to 64bits
2020-04-17 10:50:12 +02:00
lib
uapi: rename ext2_swab() to swab() and share globally in swab.h
2020-04-13 10:48:07 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
slub: improve bit diffusion for freelist ptr obfuscation
2020-04-13 10:48:07 +02:00
net
cfg80211: Do not warn on same channel at the end of CSA
2020-04-17 10:49:59 +02:00
samples
samples/bpf: Set -fno-stack-protector when building BPF programs
2020-02-24 08:36:36 +01:00
scripts
kconfig: introduce m32-flag and m64-flag
2020-04-08 09:08:37 +02:00
security
KEYS: reaching the keys quotas correctly
2020-04-17 10:50:11 +02:00
sound
ALSA: hda/realtek - Add quirk for MSI GL63
2020-04-17 10:50:08 +02:00
tools
selftests/x86/ptrace_syscall_32: Fix no-vDSO segfault
2020-04-17 10:50:02 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: Check for a bad hva before dropping into the ghc slow path
2020-03-05 16:43:48 +01:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
Merge tag 'modules-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
2019-09-22 10:34:46 -07:00
.mailmap
Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
MAINTAINERS: Update drm/i915 bug filing URL
2020-02-28 17:22:19 +01:00
Makefile
Linux 5.4.32
2020-04-13 10:48:18 +02:00
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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