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Pavel Begunkov 2905cd48c1 io_uring: mem-account pbuf buckets 
commit cc18cc5e82033d406f54144ad6f8092206004684 upstream.

Potentially, someone may create as many pbuf bucket as there are indexes
in an xarray without any other restrictions bounding our memory usage,
put memory needed for the buckets under memory accounting.

Cc: <stable@vger.kernel.org>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/d34c452e45793e978d26e2606211ec9070d329ea.1659622312.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-08-17 15:16:21 +02:00
arch
powerpc/kexec: Fix build failure from uninitialised variable
2022-08-17 15:16:21 +02:00
block
block: don't allow the same type rq_qos add more than once
2022-08-17 15:16:10 +02:00
certs
certs: make system keyring depend on x509 parser
2022-07-24 12:53:55 -07:00
crypto
KEYS: asymmetric: enforce SM2 signature use pkey algo
2022-08-17 15:16:17 +02:00
Documentation
xen-blkfront: Apply 'feature_persistent' parameter when connect
2022-08-17 15:16:18 +02:00
drivers
net: dsa: felix: fix min gate len calculation for tc when its first gate is closed
2022-08-17 15:16:20 +02:00
fs
ext4: fix race when reusing xattr blocks
2022-08-17 15:16:17 +02:00
include
tracing: Use a copy of the va_list for __assign_vstr()
2022-08-17 15:16:20 +02:00
init
stack: Declare {randomize_,}kstack_offset to fix Sparse warnings
2022-08-17 15:14:14 +02:00
io_uring
io_uring: mem-account pbuf buckets
2022-08-17 15:16:21 +02:00
ipc
ipc: Free mq_sysctls if ipc namespace creation failed
2022-06-22 17:47:41 -05:00
kernel
locking/csd_lock: Change csdlock_debug from early_param to __setup
2022-08-17 15:16:09 +02:00
lib
crypto: lib/blake2s - reduce stack frame usage in self test
2022-08-17 15:16:19 +02:00
LICENSES
LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers
2021-12-16 14:33:10 +01:00
mm
hugetlb_cgroup: fix wrong hugetlb cgroup numa stat
2022-08-17 15:16:15 +02:00
net
wifi: cfg80211: remove chandef check in cfg80211_cac_event()
2022-08-17 15:16:20 +02:00
samples
sample: bpf: xdp_router_ipv4: Allow the kernel to send arp requests
2022-08-17 15:14:25 +02:00
scripts
scripts/faddr2line: Fix vmlinux detection on arm64
2022-08-17 15:16:01 +02:00
security
selinux: Add boundary check in put_entry()
2022-08-17 15:14:06 +02:00
sound
Revert "devcoredump: remove the useless gfp_t parameter in dev_coredumpv and dev_coredumpm"
2022-08-17 15:16:19 +02:00
tools
tools/thermal: Fix possible path truncations
2022-08-17 15:16:02 +02:00
usr
Not a lot of material this cycle. Many singleton patches against various
2022-05-27 11:22:03 -07:00
virt
KVM: Don't set Accessed/Dirty bits for ZERO_PAGE
2022-08-17 15:15:21 +02:00
.clang-format
clang-format: Fix space after for_each macros
2022-05-20 19:27:16 +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
kbuild: split the second line of *.mod into *.usyms
2022-05-08 03:16:59 +09:00
.mailmap
ARM: SoC fixes for 5.19, part 4
2022-07-27 09:43:07 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: mark ARM/PALM TREO SUPPORT orphan
2022-07-07 15:17:00 +02:00
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
io_uring: move to separate directory
2022-08-17 15:14:20 +02:00
Makefile
io_uring: move to separate directory
2022-08-17 15:14:20 +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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