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Ming Lei 8484a356ce cgroup: cgroup_get_from_id() must check the looked-up kn is a directory 
[ Upstream commit df02452f3df069a59bc9e69c84435bf115cb6e37 ]

cgroup has to be one kernfs dir, otherwise kernel panic is caused,
especially cgroup id is provide from userspace.

Reported-by: Marco Patalano <mpatalan@redhat.com>
Fixes: 6b658c4863c1 ("scsi: cgroup: Add cgroup_get_from_id()")
Cc: Muneendra <muneendra.kumar@broadcom.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Mukesh Ojha <quic_mojha@quicinc.com>
Cc: stable@vger.kernel.org # v5.14+
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-10-05 10:39:36 +02:00
arch
KVM: x86/mmu: Fold rmap_recycle into rmap_add
2022-09-28 11:11:54 +02:00
block
block: blk_queue_enter() / __bio_queue_enter() must return -EAGAIN for nowait
2022-09-23 14:15:48 +02:00
certs
certs/blacklist_hashes.c: fix const confusion in certs blacklist
2022-06-22 14:22:01 +02:00
crypto
KEYS: asymmetric: enforce SM2 signature use pkey algo
2022-08-17 14:24:28 +02:00
Documentation
Input: iforce - add support for Boeder Force Feedback Wheel
2022-09-20 12:39:45 +02:00
drivers
devdax: Fix soft-reservation memory description
2022-09-28 11:11:57 +02:00
fs
ext4: use locality group preallocation for small closed files
2022-09-28 11:11:58 +02:00
include
serial: Create uart_xmit_advance()
2022-09-28 11:11:54 +02:00
init
stack: Declare {randomize_,}kstack_offset to fix Sparse warnings
2022-08-17 14:23:10 +02:00
ipc
ipc/mqueue: use get_tree_nodev() in mqueue_get_tree()
2022-06-09 10:23:10 +02:00
kernel
cgroup: cgroup_get_from_id() must check the looked-up kn is a directory
2022-10-05 10:39:36 +02:00
lib
crypto: lib - remove unneeded selection of XOR_BLOCKS
2022-09-05 10:30:03 +02:00
LICENSES
LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"
2021-07-15 06:31:24 -06:00
mm
mm: slub: fix flush_cpu_slab()/__free_slab() invocations in task context.
2022-09-28 11:11:44 +02:00
net
net: sched: fix possible refcount leak in tc_new_tfilter()
2022-09-28 11:11:53 +02:00
samples
samples/landlock: Format with clang-format
2022-06-09 10:23:23 +02:00
scripts
mksysmap: Fix the mismatch of 'L0' symbols in System.map
2022-09-23 14:15:51 +02:00
security
apparmor: Fix memleak in aa_simple_write_to_buffer()
2022-08-25 11:40:01 +02:00
sound
ALSA: hda/realtek: fix speakers and micmute on HP 855 G8
2022-10-05 10:39:35 +02:00
tools
selftests: forwarding: add shebang for sch_red.sh
2022-09-28 11:11:54 +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: SEV: add cache flush to solve SEV cache incoherency issues
2022-09-23 14:15:52 +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
Input: goodix - add a goodix.h header file
2022-07-12 16:34:51 +02:00
Makefile
Linux 5.15.71
2022-09-28 11:11:58 +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.
Description
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