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Filipe Manana 52df40a5c7 btrfs: fix extent buffer leak after tree mod log failure at split_node() 
[ Upstream commit ede600e497b1461d06d22a7d17703d9096868bc3 ]

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: Sasha Levin <sashal@kernel.org>
2023-08-11 11:57:31 +02:00
arch KVM: s390: pv: fix index value of replaced ASCE 2023-08-11 11:57:31 +02:00
block block/partition: fix signedness issue for Amiga partitions 2023-07-27 08:44:18 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:13:17 +02:00
crypto KEYS: asymmetric: Copy sig and digest in public_key_verify_signature() 2023-06-09 10:30:17 +02:00
Documentation x86/srso: Add a Speculative RAS Overflow mitigation 2023-08-08 19:57:40 +02:00
drivers gpio: tps68470: Make tps68470_gpio_output() always set the initial value 2023-08-11 11:57:31 +02:00
fs btrfs: fix extent buffer leak after tree mod log failure at split_node() 2023-08-11 11:57:31 +02:00
include x86/srso: Add a Speculative RAS Overflow mitigation 2023-08-08 19:57:40 +02:00
init x86/mm: Initialize text poking earlier 2023-08-08 19:57:39 +02:00
io_uring io_uring: don't audit the capability check in io_uring_create() 2023-08-11 11:57:31 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:24:00 +01:00
kernel mm: Move mm_cachep initialization to mm_init() 2023-08-08 19:57:39 +02:00
lib debugobjects: Recheck debug_objects_enabled before reporting 2023-07-27 08:44:36 +02:00
LICENSES LICENSES/deprecated: add Zlib license text 2020-09-16 14:33:49 +02:00
mm shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs 2023-07-27 08:44:13 +02:00
net tcp: annotate data-races around fastopenq.max_qlen 2023-07-27 08:44:43 +02:00
samples samples: ftrace: Save required argument registers in sample trampolines 2023-07-27 08:44:31 +02:00
scripts modpost: fix off by one in is_executable_section() 2023-07-27 08:44:00 +02:00
security security: keys: Modify mismatched function name 2023-07-27 08:44:39 +02:00
sound ASoC: fsl_sai: Disable bit clock with transmitter 2023-07-27 08:44:36 +02:00
tools x86/srso: Add a Speculative RAS Overflow mitigation 2023-08-08 19:57:40 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:25:48 +01:00
virt KVM: fix memoryleak in kvm_init() 2023-04-05 11:23:43 +02:00
.clang-format RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
.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 kbuild: generate Module.symvers only when vmlinux exists 2021-05-19 10:12:59 +02:00
.mailmap mailmap: add two more addresses of Uwe Kleine-König 2020-12-06 10:19:07 -08:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Jason Cooper to CREDITS 2020-11-30 10:20:34 +01:00
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 15:45:38 +02:00
Makefile Linux 5.10.189 2023-08-08 19:57:41 +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.