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a7a69ec0d8e4a58be7db88d33cbfa2912807bb2b
linux/drivers
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Michael S. Tsirkin a7a69ec0d8 virtio_console: free buffers after reset 
Console driver is out of spec. The spec says:
	A driver MUST NOT decrement the available idx on a live
	virtqueue (ie. there is no way to “unexpose” buffers).
and it does exactly that by trying to detach unused buffers
without doing a device reset first.

Defer detaching the buffers until device unplug.

Of course this means we might get an interrupt for
a vq without an attached port now. Handle that by
discarding the consumed buffer.

Reported-by: Tiwei Bie <tiwei.bie@intel.com>
Fixes: b3258ff1d6 ("virtio: Decrement avail idx on buffer detach")
Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-04-25 20:41:16 +03:00
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accessibility
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acpi
Merge tag 'for-linus-4.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2018-04-12 11:04:35 -07:00
amba
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android
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ata
Merge branch 'for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
2018-04-03 17:42:25 -07:00
atm
atm: iphase: fix spelling mistake: "Tansmit" -> "Transmit"
2018-04-19 13:41:49 -04:00
auxdisplay
auxdisplay: img-ascii-lcd: Silence 2 uninitialized warnings
2018-03-13 18:16:38 +01:00
base
mm: check __highest_present_section_nr directly in memory_dev_init()
2018-04-11 10:28:31 -07:00
bcma
bcma: Prevent build of PCI host features in module
2018-03-13 18:47:47 +02:00
block
rbd: notrim map option
2018-04-16 09:38:40 +02:00
bluetooth
Bluetooth: Set HCI_QUIRK_SIMULTANEOUS_DISCOVERY for BTUSB_QCA_ROME
2018-04-01 21:43:02 +03:00
bus
Merge tag 'pci-v4.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2018-04-06 18:31:06 -07:00
cdrom
cdrom: do not call check_disk_change() inside cdrom_open()
2018-03-09 08:06:35 -07:00
char
virtio_console: free buffers after reset
2018-04-25 20:41:16 +03:00
clk
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2018-04-13 15:51:06 -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: Drop cpufreq_table_validate_and_show()
2018-04-10 08:40:45 +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
Merge tag 'dmaengine-4.17-rc1' of git://git.infradead.org/users/vkoul/slave-dma
2018-04-10 12:14:37 -07:00
dma-buf
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edac
Merge tag 'edac_for_4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
2018-04-05 14:21:13 -07:00
eisa
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extcon
Merge tag 'char-misc-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2018-04-04 20:07:20 -07:00
firewire
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firmware
Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
2018-04-13 16:32:16 -07:00
fmc
treewide: Fix typos in printk
2018-03-27 09:51:22 +02:00
fpga
PCI: Add Altera vendor ID
2018-03-19 14:18:22 -05:00
fsi
fsi: core: Add check for master property no-scan-on-init
2018-03-14 19:11:01 +01:00
gpio
Merge tag 'devicetree-for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
2018-04-05 21:03:42 -07:00
gpu
Merge tag 'drm-fixes-for-v4.17-rc2' of git://people.freedesktop.org/~airlied/linux
2018-04-22 17:14:29 -07:00
hid
HID: i2c-hid: fix inverted return value from i2c_hid_command()
2018-04-19 09:25:15 +02:00
hsi
HSI: hsi_char: Delete an error message for a failed memory allocation in hsc_probe()
2018-03-19 16:31:07 +01:00
hv
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2018-04-09 11:42:31 -07:00
hwmon
Merge tag 'hwmon-for-linus-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
2018-04-09 19:59:54 -07:00
hwspinlock
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hwtracing
Merge tag 'char-misc-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2018-04-04 20:07:20 -07:00
i2c
i2c: add param sanity check to i2c_transfer()
2018-04-11 23:33:46 +02:00
ide
Merge tag 'for-4.17/block-20180402' of git://git.kernel.dk/linux-block
2018-04-05 14:27:02 -07:00
idle
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iio
Merge tag 'gpio-v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
2018-04-05 09:51:41 -07:00
infiniband
Merge tag 'for-linus-unmerged' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2018-04-06 17:35:43 -07:00
input
Merge tag 'chrome-platform-for-linus-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform
2018-04-13 16:20:36 -07:00
iommu
Merge tag 'iommu-updates-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
2018-04-11 18:50:41 -07:00
ipack
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irqchip
Merge tag 'iommu-updates-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
2018-04-11 18:50:41 -07:00
isdn
mISDN: Remove VLAs
2018-04-12 21:46:10 -04:00
leds
leds: Fix wrong dmi_match on PC Engines APU LEDs
2018-03-20 20:28:00 +01:00
lightnvm
lightnvm: pblk: remove some unnecessary NULL checks
2018-03-29 17:29:09 -06:00
macintosh
Merge tag 'powerpc-4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2018-04-07 12:08:19 -07:00
mailbox
mailbox: Add support for Hi3660 mailbox
2018-03-20 11:15:54 +08:00
mcb
mcb: Add Altera PCI ID to mcb-pci
2018-03-19 14:20:24 -05:00
md
Merge tag 'md/4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
2018-04-20 10:39:44 -07:00
media
Merge tag 'rproc-v4.17' of git://github.com/andersson/remoteproc
2018-04-10 12:09:27 -07:00
memory
Merge tag 'samsung-drivers-4.17' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers
2018-03-07 16:52:19 +01:00
memstick
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message
treewide: Align function definition open/close braces
2018-03-26 11:13:09 +02:00
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 tag 'for_linus-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb
2018-04-12 10:21:19 -07:00
mmc
Merge tag 'mmc-v4.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
2018-04-20 10:41:31 -07:00
mtd
Merge tag 'tags/upstream-4.17-rc1' of git://git.infradead.org/linux-ubifs
2018-04-11 16:39:34 -07:00
mux
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net
bnxt_en: Fix memory fault in bnxt_ethtool_init()
2018-04-19 16:35:09 -04:00
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: expand nvmf_check_if_ready checks
2018-04-12 09:58:27 -06:00
nvmem
Merge tag 'char-misc-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2018-04-04 20:07:20 -07:00
of
Merge tag 'kbuild-v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2018-04-15 17:21:30 -07:00
opp
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oprofile
oprofilefs: don't oops on allocation failure
2018-03-29 15:07:48 -04:00
parisc
parisc/pci: Switch LBA PCI bus from Hard Fail to Soft Fail mode
2018-03-27 18:52:22 +02:00
parport
Merge tag 'char-misc-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2018-04-04 20:07:20 -07:00
pci
PCI: Remove messages about reassigning resources
2018-04-11 08:46:50 -05:00
pcmcia
Merge branch 'for-linus-sa1100' of git://git.armlinux.org.uk/~rmk/linux-arm
2018-04-09 09:26:36 -07:00
perf
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2018-04-05 21:29:35 -07:00
phy
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2018-04-05 21:21:08 -07:00
pinctrl
Merge tag 'gpio-v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
2018-04-05 09:51:41 -07:00
platform
Merge tag 'chrome-platform-for-linus-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform
2018-04-13 16:20:36 -07:00
pnp
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power
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2018-04-05 21:21:08 -07:00
powercap
powercap: RAPL: Add support for Cannon Lake
2018-03-19 00:02:24 +01:00
pps
pps: generator: use new parport device model
2018-03-14 17:53:06 +01:00
ps3
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ptp
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pwm
Merge tag 'pwm/for-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
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: fix null pointer dereference on glink only platforms
2018-04-05 22:53:16 -07:00
reset
Merge branch 'reset/lookup' into reset/next
2018-03-27 11:03:43 +02:00
rpmsg
rpmsg: smd: Use announce_create to process any receive work
2018-03-27 21:54:37 -07:00
rtc
Merge tag 'rtc-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2018-04-10 10:22:27 -07:00
s390
s390: remove couple of duplicate includes
2018-04-16 09:10:24 +02:00
sbus
sparc64: Properly range check DAX completion index
2018-04-01 20:07:00 -04:00
scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2018-04-15 17:24:12 -07:00
sfi
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sh
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siox
siox: fix possible buffer overflow in device_add_store
2018-03-15 18:07:46 +01:00
slimbus
slimbus: core: use put_device() instead of kfree()
2018-03-15 17:55:52 +01:00
sn
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soc
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2018-04-13 15:51:06 -07:00
soundwire
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spi
Merge tag 'spi-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2018-04-03 12:06:21 -07:00
spmi
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ssb
ssb: use put_device() if device_register fail
2018-03-13 18:48:29 +02:00
staging
page cache: use xa_lock
2018-04-11 10:28:39 -07:00
target
Merge tag 'for-4.17/block-20180402' of git://git.kernel.dk/linux-block
2018-04-05 14:27:02 -07:00
tc
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tee
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thermal
Merge branches 'thermal-core' and 'thermal-soc' into next
2018-04-13 14:11:53 +08:00
thunderbolt
thunderbolt: Prevent crash when ICM firmware is not running
2018-03-14 14:26:38 +03:00
tty
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2018-04-09 09:04:10 -07:00
uio
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usb
Merge branch 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2018-04-07 11:11:41 -07:00
uwb
uwb: Re-use DEFINE_SHOW_ATTRIBUTE() macro
2018-03-09 09:31:26 -08:00
vfio
Merge tag 'vfio-v4.17-rc1' of git://github.com/awilliam/linux-vfio
2018-04-06 19:44:27 -07:00
vhost
vhost: return bool from *_access_ok() functions
2018-04-11 10:54:06 -04:00
video
Merge tag 'fbdev-v4.17' of git://github.com/bzolnier/linux
2018-04-10 10:20:00 -07:00
virt
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virtio
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2018-04-11 18:58:27 -07:00
visorbus
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vlynq
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vme
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w1
w1: use put_device() if device_register() fail
2018-03-14 14:58:50 +01:00
watchdog
aspeed: watchdog: Set bootstatus during probe
2018-04-16 10:22:40 +02:00
xen
Merge tag 'for-linus-4.17-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2018-04-20 08:36:04 -07:00
zorro
zorro: Set up z->dev.dma_mask for the DMA API
2018-03-19 10:26:46 +01:00
Kconfig
hwtracing: Add HW tracing support menu
2018-03-29 13:38:10 +03:00
Makefile
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