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Ben Dai 2d2c668480 genirq/timings: Prevent potential array overflow in __irq_timings_store() 
commit b9cc7d8a46 upstream.

When the interrupt interval is greater than 2 ^ PREDICTION_BUFFER_SIZE *
PREDICTION_FACTOR us and less than 1s, the calculated index will be greater
than the length of irqs->ema_time[]. Check the calculated index before
using it to prevent array overflow.

Fixes: 23aa3b9a6b ("genirq/timings: Encapsulate storing function")
Signed-off-by: Ben Dai <ben.dai@unisoc.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210425150903.25456-1-ben.dai9703@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-08-18 08:59:15 +02:00
arch
x86/resctrl: Fix default monitoring groups reporting
2021-08-18 08:59:15 +02:00
block
blk-iolatency: error out if blk_get_queue() failed in iolatency_set_limit()
2021-08-12 13:22:08 +02:00
certs
certs: add 'x509_revocation_list' to gitignore
2021-07-20 16:05:35 +02:00
crypto
crypto: sm2 - fix a memory leak in sm2
2021-07-14 16:56:06 +02:00
Documentation
Documentation: Fix intiramfs script name
2021-07-28 14:35:47 +02:00
drivers
efi/libstub: arm64: Relax 2M alignment again for relocatable kernels
2021-08-18 08:59:14 +02:00
fs
ceph: reduce contention in ceph_check_delayed_caps()
2021-08-18 08:59:06 +02:00
include
genirq: Provide IRQCHIP_AFFINITY_PRE_STARTUP
2021-08-18 08:59:15 +02:00
init
sched/core: Initialize the idle task with preemption disabled
2021-07-14 16:55:50 +02:00
ipc
ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry
2021-05-26 12:06:54 +02:00
kernel
genirq/timings: Prevent potential array overflow in __irq_timings_store()
2021-08-18 08:59:15 +02:00
lib
net: add kcov handle to skb extensions
2021-07-28 14:35:33 +02:00
LICENSES
LICENSES/deprecated: add Zlib license text
2020-09-16 14:33:49 +02:00
mm
memblock: make for_each_mem_range() traverse MEMBLOCK_HOTPLUG regions
2021-07-28 14:35:46 +02:00
net
vsock/virtio: avoid potential deadlock when vsock device remove
2021-08-18 08:59:14 +02:00
samples
samples/bpf: Fix the error return code of xdp_redirect's main()
2021-07-14 16:56:23 +02:00
scripts
scripts/tracing: fix the bug that can't parse raw_trace_func
2021-08-12 13:22:12 +02:00
security
bpf: Add lockdown check for probe_write_user helper
2021-08-15 14:00:25 +02:00
sound
ASoC: cs42l42: Fix LRCLK frame start edge
2021-08-18 08:59:09 +02:00
tools
libbpf: Fix probe for BPF_PROG_TYPE_CGROUP_SOCKOPT
2021-08-18 08:59:09 +02:00
usr
Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 13:29:39 -07:00
virt
KVM: Do not leak memory for duplicate debugfs directories
2021-08-12 13:22:17 +02:00
.clang-format
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2020-10-17 11:18:18 -07:00
.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: 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
f2fs: move ioctl interface definitions to separated file
2021-05-19 10:13:00 +02:00
Makefile
Linux 5.10.59
2021-08-15 14:00:27 +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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