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Stefan Hajnoczi 63947b3434 virtio-blk: limit seg_max to a safe value 
The struct virtio_blk_config seg_max value is read from the device and
incremented by 2 to account for the request header and status byte
descriptors added by the driver.

In preparation for supporting untrusted virtio-blk devices, protect
against integer overflow and limit the value to a safe maximum.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Link: https://lore.kernel.org/r/20210524154020.98195-1-stefanha@redhat.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-07-03 04:50:53 -04:00
..
accessibility
braille_console: Fix fall-through warnings for Clang
2021-05-17 19:38:01 -05:00
acpi
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
amba
…
android
binder: Return EFAULT if we fail BINDER_ENABLE_ONEWAY_SPAM_DETECTION
2021-05-13 20:35:26 +02:00
ata
ata: rb532_cf: remove redundant codes
2021-06-24 18:49:01 -06:00
atm
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
auxdisplay
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
base
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
bcma
bcma: remove unused function
2021-04-18 09:36:56 +03:00
block
virtio-blk: limit seg_max to a safe value
2021-07-03 04:50:53 -04:00
bluetooth
Bluetooth: hci_uart: Remove redundant assignment to fw_ptr
2021-06-26 07:52:41 +02:00
bus
Char/Misc driver fixes for 5.13-rc6
2021-06-12 12:13:55 -07:00
cdrom
gdrom: use blk_mq_alloc_disk
2021-06-11 11:53:03 -06:00
char
Merge tag 'tpmdd-next-v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
2021-06-30 11:23:33 -07:00
clk
This round has a diffstat dominated by Qualcomm clk drivers. Honestly though
2021-07-01 13:26:16 -07:00
clocksource
This round has a diffstat dominated by Qualcomm clk drivers. Honestly though
2021-07-01 13:26:16 -07:00
comedi
staging: comedi: move out of staging directory
2021-04-15 09:26:25 +02:00
connector
…
counter
…
cpufreq
cpufreq: Make cpufreq_online() call driver->offline() on errors
2021-06-23 19:40:56 +02:00
cpuidle
Power management updates for 5.14-rc1
2021-06-29 13:36:06 -07:00
crypto
crypto: sl3516 - depends on HAS_IOMEM
2021-06-24 14:57:28 +08:00
cxl
cxl/mem: Fix memory device capacity probing
2021-04-16 18:21:56 -07:00
dax
fs: remove noop_set_page_dirty()
2021-06-29 10:53:48 -07:00
dca
…
devfreq
PM / devfreq: passive: Fix get_target_freq when not using required-opp
2021-06-24 10:37:35 +09:00
dio
…
dma
dmaengine fixes for v5.13
2021-06-16 09:03:52 -07:00
dma-buf
dma-buf: drop the _rcu postfix on function names v3
2021-06-06 11:19:51 +02:00
edac
Various fixes and support for new CPUS
2021-06-30 11:27:49 -07:00
eisa
…
extcon
extcon: extcon-max8997: Simplify driver using devm
2021-06-17 13:22:27 +02:00
firewire
firewire: core: Fix fall-through warnings for Clang
2021-05-17 19:40:32 -05:00
firmware
Clang feature updates for v5.14-rc1
2021-06-30 14:33:25 -07:00
fpga
ARM: SoC drivers for v5.13
2021-04-26 12:11:52 -07:00
fsi
…
gnss
…
gpio
platform-drivers-x86 for v5.14-1
2021-06-30 11:15:39 -07:00
gpu
drm pull for 5.14-rc1
2021-07-01 12:53:43 -07:00
greybus
greybus: es2: fix kernel-doc warnings
2021-04-16 07:26:50 +02:00
hid
Merge branch 'for-5.14/multitouch' into for-linus
2021-06-30 09:15:15 +02:00
hsi
HSI: core: fix resource leaks in hsi_add_client_from_dt()
2021-04-16 00:14:49 +02:00
hv
hyperv-next for 5.14
2021-06-29 11:21:35 -07:00
hwmon
fallthrough fixes for Clang for 5.14-rc1
2021-06-28 20:03:38 -07:00
hwspinlock
…
hwtracing
ARM:
2021-05-01 10:14:08 -07:00
i2c
ACPI updates for 5.14-rc1
2021-06-29 13:39:41 -07:00
i3c
Revert "i3c master: fix missing destroy_workqueue() on error in i3c_master_register"
2021-04-24 22:21:01 +02:00
idle
intel_idle: Adjust the SKX C6 parameters if PC6 is disabled
2021-06-09 17:51:07 +02:00
iio
iio: adc: ad7793: Add missing error code in ad7793_setup()
2021-05-22 08:32:36 +01:00
infiniband
RDMA v5.14 merge window Pull Request
2021-07-01 14:54:03 -07:00
input
platform-drivers-x86 for v5.14-1
2021-06-30 11:15:39 -07:00
interconnect
interconnect: qcom: Add missing MODULE_DEVICE_TABLE
2021-05-11 07:26:31 +03:00
iommu
Merge tag 'drm-msm-next-2021-06-23b' of https://gitlab.freedesktop.org/drm/msm into drm-next
2021-06-24 07:21:16 +10:00
ipack
…
irqchip
Updates for the interrupt subsystem:
2021-06-29 12:25:04 -07:00
isdn
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-05-27 09:55:10 -07:00
leds
leds: lp5523: check return value of lp5xx_read and jump to cleanup code
2021-05-13 17:30:15 +02:00
lightnvm
lightnvm: convert to blk_alloc_disk/blk_cleanup_disk
2021-06-01 07:42:23 -06:00
macintosh
macintosh/via-pmu: Fix build warning
2021-04-16 23:57:51 +10:00
mailbox
mbox: add polarfire soc system controller mailbox
2021-06-26 12:06:48 -05:00
mcb
…
md
- Various DM persistent-data library improvements and fixes that
2021-06-30 18:19:39 -07:00
media
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
memory
.gitignore: prefix local generated files with a slash
2021-05-02 00:43:35 +09:00
memstick
for-5.14/block-2021-06-29
2021-06-30 12:12:56 -07:00
message
scsi: message: fusion: Remove unused local variable 'vtarget'
2021-04-13 01:39:12 -04:00
mfd
platform-drivers-x86 for v5.14-1
2021-06-30 11:15:39 -07:00
misc
Merge branch 'akpm' (patches from Andrew)
2021-06-29 17:29:11 -07:00
mmc
This round has a diffstat dominated by Qualcomm clk drivers. Honestly though
2021-07-01 13:26:16 -07:00
most
Staging/IIO driver updates for 5.13-rc1
2021-04-26 11:14:21 -07:00
mtd
for-5.14/block-2021-06-29
2021-06-30 12:12:56 -07:00
mux
…
net
virtio_net: Fix error handling in virtnet_restore()
2021-07-03 04:50:52 -04:00
nfc
NFC: nxp-nci: remove unnecessary label
2021-06-18 12:57:30 -07:00
ntb
…
nubus
…
nvdimm
libnvdimm/pmem: Fix blk_cleanup_disk() usage
2021-06-09 09:09:22 -06:00
nvme
for-5.14/drivers-2021-06-29
2021-06-30 12:21:16 -07:00
nvmem
…
of
of: overlay: Remove redundant assignment to ret
2021-05-03 13:57:56 -05:00
opp
opp: Allow required-opps to be used for non genpd use cases
2021-06-18 09:00:55 +05:30
parisc
…
parport
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
pci
drm pull for 5.14-rc1
2021-07-01 12:53:43 -07:00
pcmcia
…
perf
drivers/perf: fix the missed ida_simple_remove() in ddr_perf_probe()
2021-06-17 19:45:24 +01:00
phy
phy: Sparx5 Eth SerDes: check return value after calling platform_get_resource()
2021-06-03 11:18:19 +05:30
pinctrl
This is the bulk of pin control changes for the v5.14 kernel:
2021-07-01 16:57:14 -07:00
platform
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2021-06-30 11:31:32 -07:00
pnp
PNP: pnpbios: Use list_for_each_entry() instead of list_for_each()
2021-06-09 15:04:30 +02:00
power
power supply and reset changes for the v5.13 series
2021-04-28 15:43:58 -07:00
powercap
…
pps
TTY/Serial driver updates for 5.13-rc1
2021-04-26 11:20:10 -07:00
ps3
…
ptp
ptp: Set lookup cookie when creating a PTP PPS source.
2021-06-29 11:29:37 -07:00
pwm
pwm: Changes for v5.13-rc1
2021-05-05 12:53:16 -07:00
rapidio
rapidio: handle create_workqueue() failure
2021-05-13 18:32:19 +02:00
ras
…
regulator
Merge remote-tracking branch 'regulator/for-5.14' into regulator-next
2021-06-23 16:56:31 +01:00
remoteproc
remoteproc updates for v5.13
2021-05-04 11:13:33 -07:00
reset
reset: stm32mp1: remove stm32mp1 reset
2021-06-28 16:08:48 -07:00
rpmsg
rpmsg: core: Add driver_data for rpmsg_device_id
2021-06-18 13:13:40 -07:00
rtc
rtc: mt6397: refine RTC_TC_MTH
2021-06-01 16:44:09 +01:00
s390
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
sbus
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scsi
for-5.14/block-2021-06-29
2021-06-30 12:12:56 -07:00
sh
The usual updates from the irq departement:
2021-04-26 09:43:16 -07:00
siox
…
slimbus
…
soc
This round has a diffstat dominated by Qualcomm clk drivers. Honestly though
2021-07-01 13:26:16 -07:00
soundwire
soundwire: qcom: fix handling of qcom,ports-block-pack-mode
2021-05-13 11:14:13 +05:30
spi
Merge remote-tracking branch 'spi/for-5.14' into spi-next
2021-06-25 14:08:26 +01:00
spmi
…
ssb
ssb: use DEVICE_ATTR_ADMIN_RW() helper macro
2021-06-15 13:11:56 +03:00
staging
This round has a diffstat dominated by Qualcomm clk drivers. Honestly though
2021-07-01 13:26:16 -07:00
target
scsi: target: core: Fix warning on realtime kernels
2021-05-31 22:59:13 -04:00
tc
…
tee
fallthrough fixes for Clang for 5.14-rc1
2021-06-28 20:03:38 -07:00
thermal
Scheduler udpates for this cycle:
2021-06-28 12:14:19 -07:00
thunderbolt
thunderbolt: usb4: Fix NVM read buffer bounds and offset issue
2021-05-20 11:52:58 +03:00
tty
serial: 8250_exar: Avoid NULL pointer dereference at ->exit()
2021-06-09 14:40:48 +02:00
uio
uio_hv_generic: Fix another memory leak in error handling paths
2021-05-14 13:26:04 +02:00
usb
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
vdpa
vp_vdpa: correct the return value when fail to map notification
2021-07-03 04:50:52 -04:00
vfio
vfio: use vma_lookup() instead of find_vma_intersection()
2021-06-29 10:53:51 -07:00
vhost
vhost: Remove the repeated declaration
2021-07-03 04:50:53 -04:00
video
Linux 5.13-rc7
2021-06-23 10:07:48 +10:00
virt
nitro_enclaves: Fix stale file descriptors on failed usercopy
2021-04-29 19:06:49 +02:00
virtio
virtio_balloon: specify page reporting order if needed
2021-06-29 10:53:47 -07:00
visorbus
…
vlynq
…
vme
…
w1
w1: ds28e17: Use module_w1_family to simplify the code
2021-04-10 10:58:21 +02:00
watchdog
Updates for the interrupt subsystem:
2021-06-29 12:25:04 -07:00
xen
xen/events: reset active flag for lateeoi events later
2021-06-24 12:52:36 +02:00
zorro
…
Kconfig
ide: remove the legacy ide driver
2021-06-16 08:53:58 -06:00
Makefile
hyperv-next for 5.14
2021-06-29 11:21:35 -07:00