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Filipe Manana bdc8a582e1 btrfs: fix extent buffer leak after tree mod log failure at split_node() 
commit ede600e497 upstream.

At split_node(), if we fail to log the tree mod log copy operation, we
return without unlocking the split extent buffer we just allocated and
without decrementing the reference we own on it. Fix this by unlocking
it and decrementing the ref count before returning.

Fixes: 5de865eebb ("Btrfs: fix tree mod logging")
CC: stable@vger.kernel.org # 5.4+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:35 +02:00
arch
um: Use HOST_DIR for mrproper
2023-07-23 13:47:33 +02:00
block
block: increment diskseq on all media change events
2023-07-23 13:47:20 +02:00
certs
certs/blacklist_hashes.c: fix const confusion in certs blacklist
2022-06-22 14:22:01 +02:00
crypto
KEYS: asymmetric: Copy sig and digest in public_key_verify_signature()
2023-06-09 10:32:34 +02:00
Documentation
fs: Lock moved directories
2023-07-23 13:47:34 +02:00
drivers
bcache: Fix __bch_btree_node_alloc to make the failure behavior consistent
2023-07-23 13:47:33 +02:00
fs
btrfs: fix extent buffer leak after tree mod log failure at split_node()
2023-07-23 13:47:35 +02:00
include
shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs
2023-07-23 13:47:33 +02:00
init
kbuild: Add CONFIG_PAHOLE_VERSION
2023-02-25 12:06:45 +01:00
io_uring
io_uring: wait interruptibly for request completions on exit
2023-07-23 13:47:32 +02:00
ipc
ipc/sem: Fix dangling sem_array access in semtimedop race
2022-12-08 11:28:45 +01:00
kernel
kcsan: Don't expect 64 bits atomic builtins from 32 bits architectures
2023-07-23 13:47:12 +02:00
lib
test_firmware: return ENOMEM instead of ENOSPC on failed memory allocation
2023-07-23 13:47:25 +02:00
LICENSES
LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"
2021-07-15 06:31:24 -06:00
mm
shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs
2023-07-23 13:47:33 +02:00
net
ipvs: increase ip_vs_conn_tab_bits range for 64BIT
2023-07-23 13:47:34 +02:00
samples
samples/bpf: Fix buffer overflow in tcp_basertt
2023-07-23 13:46:49 +02:00
scripts
kbuild: Disable GCOV for *.mod.o
2023-07-23 13:47:17 +02:00
security
integrity: Fix possible multiple allocation in integrity_inode_get()
2023-07-23 13:47:33 +02:00
sound
ALSA: jack: Fix mutex call in snd_jack_report()
2023-07-23 13:47:19 +02:00
tools
perf dwarf-aux: Fix off-by-one in die_get_varname()
2023-07-23 13:47:12 +02:00
usr
usr/include/Makefile: add linux/nfc.h to the compile-test coverage
2022-02-01 17:27:15 +01:00
virt
KVM: Avoid illegal stage2 mapping on invalid memory slot
2023-06-28 10:29:42 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2021-05-12 23:32:39 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
.gitignore: ignore only top-level modules.builtin
2021-05-02 00:43:35 +09:00
.mailmap
mailmap: add Andrej Shadura
2021-10-18 20:22:03 -10:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Move Daniel Drake to credits
2021-09-21 08:34:58 +03:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
Remove DECnet support from kernel
2023-06-21 15:59:15 +02:00
Makefile
Linux 5.15.120
2023-07-05 18:25:05 +01:00
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.
Description
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