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02cdc166128cf9cb2be4786b997eebbc0b976bfa
linux/drivers
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Jason Wang 02cdc16612 vhost: scsi: add weight support 
commit c1ea02f15a upstream.

This patch will check the weight and exit the loop if we exceeds the
weight. This is useful for preventing scsi kthread from hogging cpu
which is guest triggerable.

This addresses CVE-2019-3900.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Fixes: 057cbf49a1 ("tcm_vhost: Initial merge for vhost level target fabric driver")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
[jwang: backport to 4.19]
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-04 09:30:55 +02:00
..
accessibility
…
acpi
ACPICA: Clear status of GPEs on first direct enable
2019-07-26 09:14:09 +02:00
amba
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android
binder: fix possible UAF when freeing buffer
2019-08-04 09:30:53 +02:00
ata
libata: don't request sense data on !ZAC ATA devices
2019-07-26 09:14:12 +02:00
atm
atm: he: fix sign-extension overflow on large shift
2019-02-27 10:08:57 +01:00
auxdisplay
auxdisplay: hd44780: Fix memory leak on ->remove()
2019-04-20 09:15:55 +02:00
base
regmap: fix bulk writes on paged registers
2019-07-26 09:14:06 +02:00
bcma
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block
floppy: fix out-of-bounds read in copy_buffer
2019-07-26 09:14:18 +02:00
bluetooth
Bluetooth: hci_uart: check for missing tty operations
2019-08-04 09:30:55 +02:00
bus
Merge branch 'perm-fix' into omap-for-v4.19/fixes-v2
2018-08-28 09:58:03 -07:00
cdrom
cdrom: Fix race condition in cdrom_sysctl_register
2019-04-05 22:33:10 +02:00
char
hpet: Fix division by zero in hpet_time_div()
2019-07-31 07:27:10 +02:00
clk
clk: ti: clkctrl: Fix returning uninitialized data
2019-07-21 09:03:04 +02:00
clocksource
clocksource/drivers/exynos_mct: Increase priority over ARM arch timer
2019-07-26 09:14:12 +02:00
connector
connector: fix unsafe usage of ->real_parent
2019-03-19 13:12:38 +01:00
cpufreq
cpufreq: kirkwood: fix possible object reference leak
2019-05-31 06:46:24 -07:00
cpuidle
cpuidle: big.LITTLE: fix refcount leak
2019-02-12 19:47:08 +01:00
crypto
crypto: caam - limit output IV to CBC to work around CTR mode DMA issue
2019-07-26 09:14:29 +02:00
dax
mm/huge_memory: fix vmf_insert_pfn_{pmd, pud}() crash, handle unaligned addresses
2019-05-22 07:37:40 +02:00
dca
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devfreq
Merge tag 'char-misc-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2018-08-18 11:04:51 -07:00
dio
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dma
dmaengine: imx-sdma: fix use-after-free on probe error path
2019-07-26 09:13:56 +02:00
dma-buf
dma-buf: Discard old fence_excl on retrying get_fences_rcu for realloc
2019-07-28 08:29:28 +02:00
edac
EDAC: Fix global-out-of-bounds write when setting edac_mc_poll_msec
2019-07-26 09:14:13 +02:00
eisa
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extcon
extcon: arizona: Disable mic detect if running when driver is removed
2019-05-31 06:46:23 -07:00
firewire
firewire: use 64-bit time_t based interfaces
2018-08-17 16:20:27 -07:00
firmware
efi/bgrt: Drop BGRT status field reserved bits check
2019-07-21 09:03:04 +02:00
fmc
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fpga
fpga-manager: altera-ps-spi: Fix build error
2019-07-31 07:27:10 +02:00
fsi
fsi: master-ast-cf: select GENERIC_ALLOCATOR
2018-12-17 09:24:35 +01:00
gnss
gnss: sirf: fix premature wakeup interrupt enable
2019-03-10 07:17:21 +01:00
gpio
gpio: davinci: silence error prints in case of EPROBE_DEFER
2019-07-28 08:29:28 +02:00
gpu
drm/msm: Depopulate platform on probe failure
2019-07-31 07:27:01 +02:00
hid
HID: wacom: correct touch resolution x/y typo
2019-07-26 09:14:27 +02:00
hsi
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hv
Drivers: hv: vmbus: Remove the undesired put_cpu_ptr() in hv_synic_cleanup()
2019-05-10 17:54:04 +02:00
hwmon
hwmon: (pmbus/core) Treat parameters as paged if on multiple pages
2019-06-25 11:35:59 +08:00
hwspinlock
hwspinlock: Fix incorrect return pointers
2018-07-30 20:54:51 -07:00
hwtracing
intel_th: msu: Fix single mode with disabled IOMMU
2019-07-26 09:14:30 +02:00
i2c
i2c: stm32f7: fix the get_irq error cases
2019-07-31 07:27:02 +02:00
ide
ide: fix a typo in the settings proc file name
2019-01-31 08:14:42 +01:00
idle
x86/cpu: Sanitize FAM6_ATOM naming
2019-05-14 19:17:53 +02:00
iio
iio: adc: stm32-dfsdm: missing error case during probe
2019-07-31 07:26:56 +02:00
infiniband
RDMA/rxe: Fill in wc byte_len with IB_WC_RECV_RDMA_WITH_IMM
2019-07-31 07:27:07 +02:00
input
Input: alps - fix a mismatch between a condition check and its comment
2019-07-26 09:14:22 +02:00
iommu
iommu/vt-d: Don't queue_iova() if there is no flush queue
2019-08-04 09:30:54 +02:00
ipack
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irqchip
irqchip/meson-gpio: Add support for Meson-G12A SoC
2019-07-26 09:14:06 +02:00
isdn
ISDN: hfcsusb: checking idx of ep configuration
2019-08-04 09:30:53 +02:00
leds
leds: trigger: netdev: use memcpy in device_name_store
2019-05-04 09:20:22 +02:00
lightnvm
lightnvm: pblk: fix freeing of merged pages
2019-07-26 09:14:09 +02:00
macintosh
macintosh: therm_windtunnel: drop using attach_adapter
2018-08-24 14:42:42 +02:00
mailbox
mailbox: handle failed named mailbox channel request
2019-07-31 07:27:07 +02:00
mcb
…
md
dm bufio: fix deadlock with loop device
2019-07-26 09:14:31 +02:00
media
media: radio-raremono: change devm_k*alloc to k*alloc
2019-08-04 09:30:54 +02:00
memory
memory: tegra: Fix integer overflow on tick value calculation
2019-05-25 18:23:32 +02:00
memstick
memstick: Fix error cleanup path of memstick_init
2019-07-31 07:26:59 +02:00
message
scsi: message: fusion: Replace GFP_ATOMIC with GFP_KERNEL
2018-07-30 23:17:53 -04:00
mfd
mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk
2019-07-31 07:27:03 +02:00
misc
mei: me: add mule creek canyon (EHL) device ids
2019-07-31 07:27:10 +02:00
mmc
mmc: sdhci: sdhci-pci-o2micro: Check if controller supports 8-bit width
2019-07-31 07:27:01 +02:00
mtd
mtd: spinand: read returns badly if the last page has bitflips
2019-07-26 09:14:30 +02:00
mux
mux: adgs1408: use the correct MODULE_LICENSE
2018-10-12 17:36:39 +02:00
net
ath10k: Change the warning message string
2019-08-04 09:30:53 +02:00
nfc
spi: ST ST95HF NFC: declare missing of table
2019-05-16 19:41:25 +02:00
ntb
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nubus
…
nvdimm
libnvdimm/bus: Stop holding nvdimm_bus_list_mutex over __nd_ioctl()
2019-07-31 07:27:11 +02:00
nvme
nvme-pci: set the errno on ctrl state change error
2019-07-26 09:14:09 +02:00
nvmem
nvmem: sunxi_sid: Support SID on A83T and H5
2019-06-15 11:54:07 +02:00
of
of: overlay: set node fields from properties when add new overlay node
2019-06-09 09:17:24 +02:00
opp
OPP: Use opp_table->regulators to verify no regulator case
2019-02-12 19:47:08 +01:00
oprofile
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parisc
parisc: Use implicit space register selection for loading the coherence index of I/O pdirs
2019-06-11 12:20:51 +02:00
parport
parport: Fix mem leak in parport_register_dev_model
2019-06-25 11:35:55 +08:00
pci
PCI: dwc: pci-dra7xx: Fix compilation when !CONFIG_GPIOLIB
2019-07-31 07:27:07 +02:00
pcmcia
pcmcia: Implement CLKRUN protocol disabling for Ricoh bridges
2018-11-13 11:08:17 -08:00
perf
perf/arm-cci: Remove broken race mitigation
2019-05-31 06:46:17 -07:00
phy
phy: renesas: rcar-gen2: Fix memory leak at error paths
2019-07-31 07:27:00 +02:00
pinctrl
pinctrl: rockchip: fix leaked of_node references
2019-07-31 07:26:57 +02:00
platform
platform/mellanox: mlxreg-hotplug: Add devm_free_irq call to remove flow
2019-07-10 09:53:38 +02:00
pnp
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power
power: supply: max14656: fix potential use-before-alloc
2019-06-15 11:54:09 +02:00
powercap
x86/cpu: Sanitize FAM6_ATOM naming
2019-05-14 19:17:53 +02:00
pps
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ps3
…
ptp
ptp: Fix pass zero to ERR_PTR() in ptp_clock_register
2019-02-12 19:47:01 +01:00
pwm
pwm: Fix deadlock warning when removing PWM device
2019-06-15 11:54:10 +02:00
rapidio
rapidio: fix a NULL pointer dereference when create_workqueue() fails
2019-06-15 11:53:59 +02:00
ras
RAS/CEC: Fix pfn insertion
2019-07-26 09:14:05 +02:00
regulator
regulator: s2mps11: Fix buck7 and buck8 wrong voltages
2019-07-26 09:14:22 +02:00
remoteproc
remoteproc: qcom: q6v5: Propagate EPROBE_DEFER
2018-11-13 11:08:52 -08:00
reset
reset: meson-audio-arb: Fix missing .owner setting of reset_controller_dev
2019-05-08 07:21:47 +02:00
rpmsg
rpmsg: smd: fix memory leak on channel create
2018-11-13 11:08:55 -08:00
rtc
rtc: pcf8523: don't return invalid date when battery is low
2019-06-19 08:18:07 +02:00
s390
s390/qdio: handle PENDING state for QEBSM devices
2019-07-26 09:14:04 +02:00
sbus
drivers/sbus/char: add of_node_put()
2018-12-21 14:15:17 +01:00
scsi
scsi: mac_scsi: Fix pseudo DMA implementation, take 2
2019-07-26 09:14:19 +02:00
sfi
…
sh
sh: introduce a sh_cacheop_vaddr helper
2018-08-02 13:54:06 +02:00
siox
…
slimbus
slimbus: fix a potential NULL pointer dereference in of_qcom_slim_ngd_register
2019-05-31 06:46:14 -07:00
sn
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soc
soc: bcm: brcmstb: biuctrl: Register writes require a barrier
2019-07-14 08:11:03 +02:00
soundwire
soundwire: intel: set dai min and max channels correctly
2019-07-14 08:11:07 +02:00
spi
spi: bitbang: Fix NULL pointer dereference in spi_unregister_master
2019-07-10 09:53:32 +02:00
spmi
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ssb
ssb: Fix possible NULL pointer dereference in ssb_host_pcmcia_exit
2019-05-31 06:46:04 -07:00
staging
staging: vt6656: use meaningful error code during buffer allocation
2019-07-31 07:26:57 +02:00
target
scsi: iscsi: set auth_protocol back to NULL if CHAP_A value is not supported
2019-07-26 09:13:56 +02:00
tc
TC: Set DMA masks for devices
2018-11-13 11:08:51 -08:00
tee
tee: optee: avoid possible double list_del()
2019-02-12 19:47:08 +01:00
thermal
drivers: thermal: tsens: Don't print error message on -EPROBE_DEFER
2019-06-15 11:54:02 +02:00
thunderbolt
thunderbolt: property: Fix a NULL pointer dereference
2019-05-31 06:46:31 -07:00
tty
serial: sh-sci: Fix TX DMA buffer flushing and workqueue races
2019-07-31 07:27:04 +02:00
uio
uio: Fix an Oops on load
2018-11-27 16:13:09 +01:00
usb
usb: dwc2: Fix disable all EP's on disconnect
2019-08-04 09:30:52 +02:00
uwb
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vfio
vfio: Fix WARNING "do not call blocking ops when !TASK_RUNNING"
2019-06-15 11:54:07 +02:00
vhost
vhost: scsi: add weight support
2019-08-04 09:30:55 +02:00
video
video: imsttfb: fix potential NULL pointer dereferences
2019-06-15 11:54:10 +02:00
virt
drivers/virt/fsl_hypervisor.c: prevent integer overflow in ioctl
2019-05-16 19:41:31 +02:00
virtio
virtio_pci: fix a NULL pointer reference in vp_del_vqs
2019-05-10 17:54:08 +02:00
visorbus
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vlynq
…
vme
…
w1
w1: fix the resume command API
2019-05-31 06:46:14 -07:00
watchdog
watchdog: fix compile time error of pretimeout governors
2019-06-15 11:54:06 +02:00
xen
xen/events: fix binding user event channels to cpus
2019-07-26 09:14:25 +02:00
zorro
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Kconfig
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Makefile
Merge tag 'char-misc-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2018-08-18 11:04:51 -07:00