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OpenCloudOS-Kernel
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Jason Wang 1b15ad683a vhost: synchronize IOTLB message with dev cleanup 
DaeRyong Jeong reports a race between vhost_dev_cleanup() and
vhost_process_iotlb_msg():

Thread interleaving:
CPU0 (vhost_process_iotlb_msg)			CPU1 (vhost_dev_cleanup)
(In the case of both VHOST_IOTLB_UPDATE and
VHOST_IOTLB_INVALIDATE)

=====						=====
						vhost_umem_clean(dev->iotlb);
if (!dev->iotlb) {
	        ret = -EFAULT;
		        break;
}
						dev->iotlb = NULL;

The reason is we don't synchronize between them, fixing by protecting
vhost_process_iotlb_msg() with dev mutex.

Reported-by: DaeRyong Jeong <threeearcat@gmail.com>
Fixes: 6b1e6cc785 ("vhost: new device IOTLB API")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2018-05-24 22:09:51 -04:00
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accessibility
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acpi ACPICA: Add deferred package support for the Load and loadTable operators 2018-05-14 22:25:45 +02:00
amba ARM: amba: Fix race condition with driver_override 2018-04-26 10:35:04 +02:00
android ANDROID: binder: prevent transactions into own process. 2018-04-23 12:12:41 +02:00
ata driver core: add __printf verification to __ata_ehi_pushv_desc 2018-05-07 08:32:20 -07:00
atm firestream: fix spelling mistake: "reseverd" -> "reserved" 2018-05-10 15:23:49 -04:00
auxdisplay
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base Driver core fixes for 4.17-rc3 2018-04-27 10:12:20 -07:00
bcma bcma: fix buffer size caused crash in bcma_core_mips_print_irq() 2018-05-12 11:36:59 +03:00
block libceph: add osd_req_op_extent_osd_data_bvecs() 2018-05-10 10:15:05 +02:00
bluetooth Bluetooth: btusb: Add Dell XPS 13 9360 to btusb_needs_reset_resume_table 2018-04-30 10:56:04 +02:00
bus HISI LPC: Add Kconfig MFD_CORE dependency 2018-04-26 16:53:23 +02:00
cdrom cdrom: information leak in cdrom_ioctl_media_changed() 2018-04-18 08:21:32 -06:00
char agp: uninorth: make two functions static 2018-05-10 11:26:08 +10:00
clk clk: stm32: fix: stm32 clock drivers are not compiled by default 2018-05-15 15:47:03 -07:00
clocksource clocksource/imx-tpm: Correct -ETIME return condition check 2018-04-19 13:21:35 +02:00
connector
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cpufreq cpufreq: armada-37xx: driver relies on cpufreq-dt 2018-05-14 22:25:56 +02:00
cpuidle cpuidle: menu: Avoid selecting shallow states with stopped tick 2018-04-09 11:54:57 +02:00
crypto .gitignore: move *-asn1.[ch] patterns to the top-level .gitignore 2018-04-07 19:04:02 +09:00
dax device-dax: allow MAP_SYNC to succeed 2018-04-19 15:11:50 -07:00
dca
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devfreq
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dio
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dma dmaengine: qcom: bam_dma: check if the runtime pm enabled 2018-05-17 16:16:49 +05:30
dma-buf
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edac * Add NVDIMM support to EDAC (Tony Luck) 2018-04-05 14:21:13 -07:00
eisa
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extcon Char/Misc patches for 4.17-rc1 2018-04-04 20:07:20 -07:00
firewire
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firmware Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-05-20 10:36:52 -07:00
fmc treewide: Fix typos in printk 2018-03-27 09:51:22 +02:00
fpga fpga-manager: altera-ps-spi: preserve nCONFIG state 2018-04-23 13:27:05 +02:00
fsi
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gpio gpio: pcie-idio-24: Fix off-by-one error in get_multiple loop 2018-04-30 10:48:08 +02:00
gpu Merge tag 'drm-intel-fixes-2018-05-17' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes 2018-05-18 12:01:49 +10:00
hid HID: i2c-hid: Add RESEND_REPORT_DESCR quirk for Toshiba Click Mini L9W-B 2018-05-09 13:58:01 +02:00
hsi
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hv ARM: 2018-04-09 11:42:31 -07:00
hwmon hwmon: (k10temp) Use API function to access System Management Network 2018-05-13 09:00:49 -07:00
hwspinlock
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hwtracing Char/Misc patches for 4.17-rc1 2018-04-04 20:07:20 -07:00
i2c i2c: viperboard: return message count on master_xfer success 2018-05-15 09:31:26 +02:00
ide for-4.17/block-20180402 2018-04-05 14:27:02 -07:00
idle
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iio This is the bulk of GPIO changes for the v4.17 kernel cycle: 2018-04-05 09:51:41 -07:00
infiniband First pull request for 4.17-rc 2018-05-04 20:51:10 -10:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2018-05-02 17:34:42 -10:00
iommu iommu: rockchip: fix building without CONFIG_OF 2018-05-03 16:36:07 +02:00
ipack
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irqchip irqchip/qcom: Fix check for spurious interrupts 2018-05-02 15:56:10 +02:00
isdn isdn: eicon: fix a missing-check bug 2018-05-22 13:48:34 -04:00
leds
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lightnvm lightnvm: pblk: remove some unnecessary NULL checks 2018-03-29 17:29:09 -06:00
macintosh powerpc updates for 4.17 2018-04-07 12:08:19 -07:00
mailbox
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mcb
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md for-linus-20180518 2018-05-18 10:10:43 -07:00
media MAINTAINERS & files: Canonize the e-mails I use at files 2018-05-04 06:21:06 -04:00
memory ARM: OMAP2+: Fix build when using split object directories 2018-04-18 10:07:13 -07:00
memstick
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message scsi: mptsas: Disable WRITE SAME 2018-04-18 23:37:25 -04:00
mfd platform/chrome: mfd/cros_ec_dev: Add sysfs entry to set keyboard wake lid angle 2018-04-10 22:25:07 -07:00
misc Merge branch 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2018-05-18 18:02:01 -07:00
mmc MMC host: 2018-04-20 10:41:31 -07:00
mtd mtd: rawnand: marvell: Fix read logic for layouts with ->nchunks > 2 2018-05-14 14:46:20 +02:00
mux
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net net/mlx5: IPSec, Fix a race between concurrent sandbox QP commands 2018-05-24 14:40:40 -07:00
nfc
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ntb
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nubus
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nvdimm Revert "libnvdimm, of_pmem: workaround OF_NUMA=n build error" 2018-04-19 15:10:56 -07:00
nvme nvme: add quirk to force medium priority for SQ creation 2018-05-11 13:37:14 -06:00
nvmem Char/Misc patches for 4.17-rc1 2018-04-04 20:07:20 -07:00
of DeviceTree fixes for 4.17: 2018-05-07 05:33:29 -10:00
opp
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oprofile oprofilefs: don't oops on allocation failure 2018-03-29 15:07:48 -04:00
parisc parisc: Move ccio_cujo20_fixup() into init section 2018-05-18 16:21:49 +02:00
parport Char/Misc patches for 4.17-rc1 2018-04-04 20:07:20 -07:00
pci PCI / PM: Check device_may_wakeup() in pci_enable_wake() 2018-05-10 16:50:26 +02:00
pcmcia Merge branch 'for-linus-sa1100' of git://git.armlinux.org.uk/~rmk/linux-arm 2018-04-09 09:26:36 -07:00
perf ARM: SoC driver updates for 4.17 2018-04-05 21:29:35 -07:00
phy ARM: SoC platform updates for 4.17 2018-04-05 21:21:08 -07:00
pinctrl pinctrl: sunrisepoint: Align GPIO number space with Windows 2018-05-02 14:36:00 +02:00
platform platform/x86: DELL_WMI use depends on instead of select for DELL_SMBIOS 2018-05-18 15:49:26 -07:00
pnp
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power ARM: SoC platform updates for 4.17 2018-04-05 21:21:08 -07:00
powercap
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pps
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ps3
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ptp
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pwm pwm: Changes for v4.17-rc1 2018-04-13 15:46:21 -07:00
rapidio rapidio: fix rio_dma_transfer error handling 2018-04-20 17:18:35 -07:00
ras
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regulator Merge remote-tracking branches 'regulator/topic/88pg86x', 'regulator/topic/dt', 'regulator/topic/formatting' and 'regulator/topic/gpio' into regulator-next 2018-03-28 10:33:53 +08:00
remoteproc remoteproc: qcom: Fix potential device node leaks 2018-04-25 16:46:55 -07:00
reset reset: uniphier: fix USB clock line for LD20 2018-04-27 11:51:12 +02:00
rpmsg rpmsg: added MODULE_ALIAS for rpmsg_char 2018-04-25 16:46:55 -07:00
rtc rtc: opal: Fix OPAL RTC driver OPAL_BUSY loops 2018-04-25 13:24:13 +10:00
s390 s390/qdio: don't release memory in qdio_setup_irq() 2018-05-15 07:40:38 +02:00
sbus sparc64: Fix mistake in oradax license text 2018-04-30 16:06:01 -04:00
scsi scsi: aacraid: Correct hba_send to include iu_type 2018-05-01 23:27:18 -04:00
sfi
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sh
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siox
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slimbus slimbus: Fix out-of-bounds access in slim_slicesize() 2018-04-23 13:40:15 +02:00
sn
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soc soc: bcm: raspberrypi-power: Fix use of __packed 2018-04-16 15:15:23 -07:00
soundwire
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spi spi: bcm2835aux: ensure interrupts are enabled for shared handler 2018-05-04 08:09:02 +09:00
spmi
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ssb ssb: make SSB_PCICORE_HOSTMODE depend on SSB = y 2018-05-12 11:38:13 +03:00
staging media: imx-media-csi: Fix inconsistent IS_ERR and PTR_ERR 2018-05-04 06:21:06 -04:00
target scsi: target: Fix fortify_panic kernel exception 2018-04-20 19:24:01 -04:00
tc
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tee tee: check shm references are consistent in offset/size 2018-05-07 11:51:03 +02:00
thermal Merge branch 'thermal-soc' into next 2018-05-11 09:37:21 +08:00
thunderbolt
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tty tty: Use __GFP_NOFAIL for tty_ldisc_get() 2018-04-25 15:03:44 +02:00
uio uio_hv_generic: fix subchannel ring mmap 2018-04-23 12:43:48 +02:00
usb usbip: usbip_host: fix bad unlock balance during stub_probe() 2018-05-16 18:52:13 +02:00
uwb
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vfio VFIO updates for v4.17-rc1 2018-04-06 19:44:27 -07:00
vhost vhost: synchronize IOTLB message with dev cleanup 2018-05-24 22:09:51 -04:00
video fbdev changes for v4.17: 2018-04-10 10:20:00 -07:00
virt virt: vbox: Log an error when we fail to get the host version 2018-04-23 13:41:55 +02:00
virtio virtio: feature 2018-04-11 18:58:27 -07:00
visorbus
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vlynq
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vme
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w1
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watchdog aspeed: watchdog: Set bootstatus during probe 2018-04-16 10:22:40 +02:00
xen xen: fixes and one header update for 4.17-rc2 2018-04-20 08:36:04 -07:00
zorro
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Kconfig hwtracing: Add HW tracing support menu 2018-03-29 13:38:10 +03:00
Makefile
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