Jason Wang b477d6bb11 UPSTREAM: 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>
(cherry picked from commit 28962ec595)
Bug: 196772804
Signed-off-by: Keir Fraser <keirf@google.com>
Change-Id: Idb5462a1268d2bde5f867f5455da0957ca68035a

2022-03-08 09:46:52 +00:00

..

agp

parisc/agp: Annotate parisc agp init functions with __init

2021-12-17 10:14:40 +01:00

hw_random

Merge 5.10.80 into android13-5.10

2021-11-19 07:47:18 +01:00

ipmi

ipmi: fix initialization when workqueue allocation fails

2021-12-29 12:26:01 +01:00

mwave

char/mwave: Adjust io port register size

2022-01-27 10:54:06 +01:00

pcmcia

char: pcmcia: error out if 'num_bytes_read' is greater than 4 in set_protocol()

2021-07-14 16:56:39 +02:00

tpm

tpm: fix NPE on probe for missing device

2022-01-27 10:54:24 +01:00

xilinx_hwicap

treewide: Add SPDX license identifier - Makefile/Kconfig

2019-05-21 10:50:46 +02:00

xillybus

char: xillybus: use devm_platform_ioremap_resource() to simplify code

2019-11-05 18:29:21 +01:00

adi.c

char: sparc64: Add privileged ADI driver

2018-06-05 11:24:55 -07:00

apm-emulation.c

treewide: Add SPDX license identifier for more missed files

2019-05-21 10:50:45 +02:00

applicom.c

misc: cleanup minor number definitions in c file into miscdevice.h

2020-03-18 12:27:03 +01:00

applicom.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

bsr.c

mm: don't include asm/pgtable.h if linux/mm.h is already included

2020-06-09 09:39:13 -07:00

ds1620.c

treewide: Add SPDX license identifier for more missed files

2019-05-21 10:50:45 +02:00

dsp56k.c

vfs: do bulk POLL* -> EPOLL* replacement

2018-02-11 14:34:03 -08:00

dtlk.c

treewide: Add SPDX license identifier for more missed files

2019-05-21 10:50:45 +02:00

hangcheck-timer.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 405

2019-06-05 17:37:13 +02:00

hpet.c

char: hpet: add checks after calling ioremap

2021-06-03 09:00:41 +02:00

Kconfig

char: virtio: Select VIRTIO from VIRTIO_CONSOLE.

2020-09-07 14:32:40 +02:00

lp.c

Merge 5.9-rc3 into char-misc-next

2020-08-31 07:17:17 +02:00

Makefile

rtc/alpha: remove legacy rtc driver

2020-03-19 07:41:02 +01:00

mem.c

/dev/zero: fixups for ->read

2020-09-07 10:46:35 +02:00

misc.c

FROMLIST: char: misc: increase DYNAMIC_MINORS value

2020-10-29 12:43:51 +01:00

mspec.c

char: mspec: Use kvzalloc() in mspec_mmap()

2020-08-28 12:10:04 +02:00

nsc_gpio.c

treewide: Add SPDX license identifier for more missed files

2019-05-21 10:50:45 +02:00

nvram.c

treewide: Use fallthrough pseudo-keyword

2020-08-23 17:36:59 -05:00

nwbutton.c

treewide: Add SPDX license identifier for more missed files

2019-05-21 10:50:45 +02:00

nwbutton.h

misc: cleanup minor number definitions in c file into miscdevice.h

2020-03-18 12:27:03 +01:00

nwflash.c

misc: move FLASH_MINOR into miscdevice.h and fix conflicts

2020-03-18 12:27:04 +01:00

pc8736x_gpio.c

treewide: Add SPDX license identifier for more missed files

2019-05-21 10:50:45 +02:00

powernv-op-panel.c

treewide: Add SPDX license identifier for more missed files

2019-05-21 10:50:45 +02:00

ppdev.c

ppdev: Distribute switch variables for initialization

2020-02-23 20:28:12 +01:00

ps3flash.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 164

2019-05-30 11:26:38 -07:00

random.c

Merge 5.10.102 into android13-5.10

2022-02-23 12:26:12 +01:00

raw.c

raw: don't keep unopened block device around

2020-09-23 10:43:19 -06:00

scx200_gpio.c

treewide: Add SPDX license identifier for more missed files

2019-05-21 10:50:45 +02:00

sonypi.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61

2019-05-24 17:36:45 +02:00

tb0219.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156

2019-05-30 11:26:35 -07:00

tlclk.c

drivers: char: tlclk.c: Avoid data race between init and interrupt handler

2020-04-23 16:55:24 +02:00

toshiba.c

misc: cleanup minor number definitions in c file into miscdevice.h

2020-03-18 12:27:03 +01:00

ttyprintk.c

ttyprintk: Add TTY hangup callback.

2021-05-14 09:50:21 +02:00

uv_mmtimer.c

…

virtio_console.c

UPSTREAM: virtio_console: validate max_nr_ports before trying to use it

2022-03-08 09:46:52 +00:00