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Alex Williamson 9f47803503 vfio/pci: Use pci_try_reset_function() on initial open 
Device lock bites again; if a device .remove() callback races a user
calling ioctl(VFIO_GROUP_GET_DEVICE_FD), the unbind request will hold
the device lock, but the user ioctl may have already taken a vfio_device
reference.  In the case of a PCI device, the initial open will attempt
to reset the device, which again attempts to get the device lock,
resulting in deadlock.  Use the trylock PCI reset interface and return
error on the open path if reset fails due to lock contention.

Link: https://lkml.org/lkml/2017/7/25/381
Reported-by: Wen Congyang <wencongyang2@huawei.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2017-07-26 14:33:15 -06:00
..
accessibility
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acpi
acpi/nfit: Fix memory corruption/Unregister mce decoder on failure
2017-07-17 11:43:58 -07:00
amba
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android
binder: Use wake up hint for synchronous transactions.
2017-07-17 14:44:19 +02:00
ata
Merge branch 'for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
2017-07-06 09:41:58 -07:00
atm
atm: zatm: Fix an error handling path in 'zatm_init_one()'
2017-07-18 11:37:46 -07:00
auxdisplay
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base
Power management fixes for v4.13-rc2
2017-07-20 14:56:46 -07:00
bcma
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block
nbd: kill unused ret in recv_work
2017-07-13 08:03:30 -06:00
bluetooth
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-07-05 12:31:59 -07:00
bus
main drm pull for v4.13
2017-07-09 18:48:37 -07:00
cdrom
block: don't set bounce limit in blk_init_queue
2017-06-27 12:13:45 -06:00
char
Add wait_for_random_bytes() and get_random_*_wait() functions so that
2017-07-15 12:44:02 -07:00
clk
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2017-07-15 10:59:54 -07:00
clocksource
clocksource/drivers/timer-of: Handle of_irq_get_byname() result correctly
2017-07-17 22:43:00 +02:00
connector
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cpufreq
Merge branches 'intel_pstate' and 'pm-domains'
2017-07-20 18:57:15 +02:00
cpuidle
powerpc updates for 4.13
2017-07-07 13:55:45 -07:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2017-07-14 22:49:50 -07:00
dax
device-dax: fix sysfs duplicate warnings
2017-07-18 17:49:14 -07:00
dca
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devfreq
PM / devfreq: constify attribute_group structures.
2017-07-06 10:17:24 +09:00
dio
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dma
dmaengine updates for 4.13-rc1
2017-07-08 12:36:50 -07:00
dma-buf
Merge branch 'drm-misc-next-fixes' into drm-misc-fixes
2017-07-17 11:56:07 -04:00
edac
EDAC, pnd2: Fix Apollo Lake DIMM detection
2017-06-29 10:37:50 +02:00
eisa
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extcon
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firewire
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firmware
efi: avoid fortify checks in EFI stub
2017-07-12 16:26:02 -07:00
fmc
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fpga
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fsi
drivers/fsi: fix fsi_slave_mode prototype
2017-07-17 16:13:54 +02:00
gpio
Merge (most of) tag 'mfd-next-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2017-07-07 13:30:05 -07:00
gpu
imx-drm: fix parallel display regression and typo in plane format list
2017-07-21 14:04:44 +10:00
hid
HID: hid-logitech-hidpp: add NULL check on devm_kmemdup() return value
2017-07-20 15:45:39 +02:00
hsi
HSI changes for the v4.13 series
2017-07-04 14:28:22 -07:00
hv
vmbus: re-enable channel tasklet
2017-07-17 15:00:47 +02:00
hwmon
hwmon: (applesmc) Avoid buffer overruns
2017-07-15 16:38:56 -07:00
hwspinlock
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hwtracing
Char/Misc patches for 4.13-rc1
2017-07-03 20:55:59 -07:00
i2c
Merge branch 'i2c/for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2017-07-12 10:04:56 -07:00
ide
ide: avoid warning for timings calculation
2017-07-21 04:37:22 +01:00
idle
intel_idle: Use more common logging style
2017-06-29 22:58:35 +02:00
iio
hwmon updates for v4.13:
2017-07-04 11:48:27 -07:00
infiniband
RDMA/core: Initialize port_num in qp_attr
2017-07-20 11:24:13 -04:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2017-07-14 22:53:37 -07:00
iommu
IOMMU Updates for Linux v4.13
2017-07-12 10:00:04 -07:00
ipack
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irqchip
irqchip/digicolor: Drop unnecessary static
2017-07-18 21:59:23 +02:00
isdn
isdn: avm: c4: constify pci_device_id.
2017-07-15 21:25:56 -07:00
leds
LED updates for 4.13
2017-07-06 11:32:40 -07:00
lguest
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lightnvm
lightnvm: pblk: remove unnecessary checks
2017-07-07 13:17:36 -06:00
macintosh
Merge branch 'work.misc-set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-07-05 13:13:32 -07:00
mailbox
Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration
2017-07-07 10:24:07 -07:00
mcb
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md
Merge tag 'md/4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
2017-07-18 11:51:08 -07:00
media
main drm pull for v4.13
2017-07-09 18:48:37 -07:00
memory
ARM: SoC driver updates
2017-07-04 14:47:47 -07:00
memstick
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message
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mfd
chrome-platform-for-linus-4.13
2017-07-11 09:55:47 -07:00
misc
powerpc updates for 4.13
2017-07-07 13:55:45 -07:00
mmc
MMC core:
2017-07-14 13:10:06 -07:00
mtd
MTD updates for v4.13-rc1:
2017-07-13 12:07:44 -07:00
mux
mux: mux-core: unregister mux_class in mux_exit()
2017-07-17 16:38:35 +02:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-07-20 16:33:39 -07:00
nfc
NFC 4.13 pull request
2017-07-01 14:30:39 -07:00
ntb
ntb: Add error path/handling to Debug FS entry creation
2017-07-06 11:30:08 -04:00
nubus
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nvdimm
libnvdimm: fix badblock range handling of ARS range
2017-07-17 11:43:58 -07:00
nvme
nvmet: don't report 0-bytes in serial number
2017-07-20 08:41:56 -06:00
nvmem
nvmem: rockchip-efuse: amend compatible rk322x-efuse to rk3228-efuse
2017-07-17 16:15:57 +02:00
of
Device properties framework updates for v4.13-rc1
2017-07-10 15:23:45 -07:00
oprofile
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parisc
parisc: ->mapping_error
2017-07-05 21:46:42 +02:00
parport
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pci
Power management fixes for v4.13-rc1
2017-07-14 22:24:25 -07:00
pcmcia
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perf
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phy
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pinctrl
This is the big bulk of pin control changes for the v4.13 series:
2017-07-06 11:38:59 -07:00
platform
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2017-07-15 10:59:54 -07:00
pnp
This is the bulk of GPIO changes for the v4.13 series:
2017-07-07 12:40:27 -07:00
power
power supply and reset changes for the v4.13 series (part 2)
2017-07-13 11:47:59 -07:00
powercap
powercap/RAPL: prevent overridding bits outside of the mask
2017-06-28 00:38:34 +02:00
pps
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ps3
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ptp
ptp: dte: Use LL suffix for 64-bit constants
2017-07-06 11:40:58 +01:00
pwm
pwm: Changes for v4.13-rc1
2017-07-13 11:49:52 -07:00
rapidio
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ras
arm64 updates for 4.13:
2017-07-05 17:09:27 -07:00
regulator
Merge remote-tracking branches 'regulator/topic/settle', 'regulator/topic/tps65910' and 'regulator/topic/tps65917' into regulator-next
2017-07-03 16:52:21 +01:00
remoteproc
remoteproc/keystone: Fix circular dependencies for ARM configs
2017-06-27 16:21:34 -07:00
reset
ARM: SoC driver updates
2017-07-04 14:47:47 -07:00
rpmsg
rpmsg updates for v4.13
2017-07-06 15:38:31 -07:00
rtc
RTC for 4.13
2017-07-13 12:15:06 -07:00
s390
drivers: s390: move static and inline before return type
2017-07-12 16:26:04 -07:00
sbus
block: don't set bounce limit in blk_init_queue
2017-06-27 12:13:45 -06:00
scsi
SCSI fixes on 20170715
2017-07-17 12:26:12 -07:00
sfi
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sh
drivers/sh/intc/virq.c: delete an error message for a failed memory allocation in add_virq_to_pirq()
2017-07-06 16:24:30 -07:00
sn
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soc
ARM: SoC driver updates
2017-07-04 14:47:47 -07:00
spi
Merge branch 'for-spi' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-07-08 10:41:53 -07:00
spmi
spmi: pmic-arb: Always allocate ppid_to_apid table
2017-07-17 15:00:47 +02:00
ssb
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staging
staging: rtl8188eu: add TL-WN722N v2 support
2017-07-18 09:04:22 +02:00
target
Add wait_for_random_bytes() and get_random_*_wait() functions so that
2017-07-15 12:44:02 -07:00
tc
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tee
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thermal
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
2017-07-14 13:12:32 -07:00
thunderbolt
thunderbolt: Correct access permissions for active NVM contents
2017-07-17 15:55:08 +02:00
tty
tty: hide unused pty_get_peer function
2017-07-17 17:04:41 +02:00
uio
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usb
xhci: fix memleak in xhci_run()
2017-07-20 14:40:36 +02:00
uwb
driver core patches for 4.13-rc1
2017-07-03 20:27:48 -07:00
vfio
vfio/pci: Use pci_try_reset_function() on initial open
2017-07-26 14:33:15 -06:00
vhost
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2017-07-13 14:27:32 -07:00
video
Merge branch 'akpm' (patches from Andrew)
2017-07-13 12:38:49 -07:00
virt
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virtio
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vlynq
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vme
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w1
w1: omap-hdq: fix error return code in omap_hdq_probe()
2017-07-17 16:48:15 +02:00
watchdog
Merge git://www.linux-watchdog.org/linux-watchdog
2017-07-11 09:59:37 -07:00
xen
xen/balloon: don't online new memory initially
2017-07-23 08:13:18 +02:00
zorro
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Kconfig
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Makefile
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