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Jason Wang 28962ec595 virtio_console: validate max_nr_ports before trying to use it

We calculate nr_ports based on the max_nr_ports:

nr_queues = use_multiport(portdev) ? (nr_ports + 1) * 2 : 2;

If the device advertises a large max_nr_ports, we will end up with a
integer overflow. Fixing this by validating the max_nr_ports and fail
the probe for invalid max_nr_ports in this case.

Cc: Amit Shah <amit@kernel.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20211019070152.8236-3-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

2021-11-01 05:26:48 -04:00

arch

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2021-10-31 11:19:02 -07:00

block

Merge tag 'block-5.15-2021-10-29' of git://git.kernel.dk/linux-block

2021-10-29 11:10:29 -07:00

certs

certs: Add support for using elliptic curve keys for signing modules

2021-08-23 19:55:42 +03:00

crypto

Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

2021-08-30 12:57:10 -07:00

Documentation

Merge tag 'net-5.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2021-10-28 10:17:31 -07:00

drivers

virtio_console: validate max_nr_ports before trying to use it

2021-11-01 05:26:48 -04:00

Merge tag 'for-5.15-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

2021-10-29 10:46:59 -07:00

include

vdpa: add new attribute VDPA_ATTR_DEV_MIN_VQ_SIZE

2021-11-01 04:30:35 -04:00

init

bootconfig: init: Fix memblock leak in xbc_make_cmdline()

2021-10-10 22:27:40 -04:00

ipc

ipc: remove memcg accounting for sops objects in do_semtimedop()

2021-09-14 10:22:11 -07:00

kernel

Merge tag 'trace-v5.15-rc6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2021-10-29 10:41:07 -07:00

lib

Merge tag 'linux-kselftest-kunit-fixes-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

2021-10-11 17:25:08 -07:00

LICENSES

LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"

2021-07-15 06:31:24 -06:00

mm/damon/core-test: fix wrong expectations for 'damon_split_regions_of()'

2021-10-28 17:18:55 -07:00

net

mptcp: fix corrupt receiver key in MPC + data + checksum

2021-10-28 08:19:06 -07:00

samples

samples/bpf: Relicense bpf_insn.h as GPL-2.0-only OR BSD-2-Clause

2021-09-29 16:03:55 +02:00

scripts

Merge tag 'trace-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2021-10-16 10:51:41 -07:00

security

Merge branch 'ucount-fixes-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2021-10-21 17:27:17 -10:00

sound

ALSA: virtio: Replace zero-length array with flexible-array member

2021-11-01 05:26:47 -04:00

tools

perf script: Fix PERF_SAMPLE_WEIGHT_STRUCT support

2021-10-31 12:51:41 -03:00

usr

.gitignore: prefix local generated files with a slash

2021-05-02 00:43:35 +09:00

virt

KVM: Remove tlbs_dirty

2021-09-23 11:01:12 -04:00

.clang-format

clang-format: Update with the latest for_each macro list

2021-05-12 23:32:39 +02:00

.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

.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

virtio-pmem: add myself as virtio-pmem maintainer

2021-11-01 05:26:48 -04:00

Makefile

Linux 5.15

2021-10-31 13:53:10 -07:00

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.