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f393f4a5fc
linux/drivers
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Alex Williamson f393f4a5fc vfio/pci: Clear token on bypass registration failure 
[ Upstream commit 852b1beecb ]

The eventfd context is used as our irqbypass token, therefore if an
eventfd is re-used, our token is the same.  The irqbypass code will
return an -EBUSY in this case, but we'll still attempt to unregister
the producer, where if that duplicate token still exists, results in
removing the wrong object.  Clear the token of failed producers so
that they harmlessly fall out when unregistered.

Fixes: 6d7425f109 ("vfio: Register/unregister irq_bypass_producer")
Reported-by: guomin chen <guomin_chen@sina.com>
Tested-by: guomin chen <guomin_chen@sina.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-30 10:38:23 +01:00
..
accessibility
acpi ACPI: EC: Reference count query handlers under lock 2020-10-01 13:14:30 +02:00
amba
android binder: fix UAF when releasing todo list 2020-10-29 09:54:56 +01:00
ata ata: sata_mv, avoid trigerrable BUG_ON 2020-10-01 13:14:54 +02:00
atm atm: eni: fix the missed pci_disable_device() for eni_init_one() 2020-10-01 13:14:51 +02:00
auxdisplay
base driver core: Fix probe_count imbalance in really_probe() 2020-10-14 10:31:22 +02:00
bcma
block rbd: require global CAP_SYS_ADMIN for mapping and unmapping 2020-09-17 13:45:29 +02:00
bluetooth Bluetooth: hci_uart: Cancel init work before unregistering 2020-10-29 09:55:05 +01:00
bus bus: hisi_lpc: Fixup IO ports addresses to avoid use-after-free in host removal 2020-10-01 13:14:35 +02:00
cdrom
char drivers: char: tlclk.c: Avoid data race between init and interrupt handler 2020-10-01 13:14:42 +02:00
clk clk: bcm2835: add missing release if devm_clk_hw_register fails 2020-10-30 10:38:22 +01:00
clocksource clocksource/drivers/h8300_timer8: Fix wrong return value in h8300_8timer_init() 2020-10-01 13:14:51 +02:00
connector
cpufreq cpufreq: powernv: Fix frame-size-overflow in powernv_cpufreq_reboot_notifier 2020-10-30 10:38:20 +01:00
cpuidle cpuidle: Fixup IRQ state 2020-09-09 19:04:23 +02:00
crypto cypto: mediatek - fix leaks in mtk_desc_ring_alloc 2020-10-29 09:55:03 +01:00
dax
dca
devfreq PM / devfreq: tegra30: Fix integer overflow on CPU's freq max out 2020-10-01 13:14:26 +02:00
dio
dma dmaengine: tegra-apb: Prevent race conditions on channel's freeing 2020-10-01 13:14:35 +02:00
dma-buf dma-fence: Serialise signal enabling (dma_fence_enable_sw_signaling) 2020-10-01 13:14:24 +02:00
edac EDAC/ti: Fix handling of platform_get_irq() error 2020-10-29 09:55:00 +01:00
eisa
extcon extcon: adc-jack: Fix an error handling path in 'adc_jack_probe()' 2020-06-25 15:33:01 +02:00
firewire
firmware firmware: arm_sdei: Use cpus_read_lock() to avoid races with cpuhp 2020-10-01 13:14:35 +02:00
fmc
fpga fpga: dfl: fix bug in port reset handshake 2020-07-29 10:16:48 +02:00
fsi
gnss gnss: sirf: fix error return code in sirf_probe() 2020-06-22 09:05:28 +02:00
gpio gpio: sprd: Clear interrupt when setting the type as edge 2020-10-07 08:00:07 +02:00
gpu drm/gma500: fix error check 2020-10-29 09:55:07 +01:00
hid HID: hid-input: fix stylus battery reporting 2020-10-29 09:55:12 +01:00
hsi
hv Drivers: hv: vmbus: Add timeout to vmbus_wait_for_unload 2020-09-23 12:10:59 +02:00
hwmon hwmon: (pmbus/max34440) Fix status register reads for MAX344{51,60,61} 2020-10-29 09:55:02 +01:00
hwspinlock
hwtracing coresight: tmc: Fix TMC mode read in tmc_read_unprepare_etb() 2020-08-19 08:14:58 +02:00
i2c i2c: rcar: Auto select RESET_CONTROLLER 2020-10-30 10:38:21 +01:00
ide
idle
iio iio:accel:mma8452: Fix timestamp alignment and prevent data leak. 2020-09-17 13:45:28 +02:00
infiniband IB/rdmavt: Fix sizeof mismatch 2020-10-30 10:38:20 +01:00
input Input: trackpoint - enable Synaptics trackpoints 2020-10-07 08:00:08 +02:00
iommu iommu/exynos: add missing put_device() call in exynos_iommu_of_xlate() 2020-10-07 08:00:07 +02:00
ipack ipack: tpci200: fix error return code in tpci200_register() 2020-05-27 17:37:43 +02:00
irqchip irqchip/stm32-exti: Avoid losing interrupts due to clearing pending bits by mistake 2020-09-03 11:24:29 +02:00
isdn PCI: add USR vendor id and use it in r8169 and w6692 driver 2020-06-22 09:05:23 +02:00
leds leds: mlxreg: Fix possible buffer overflow 2020-10-01 13:14:25 +02:00
lightnvm
macintosh drivers/macintosh: Fix memleak in windfarm_pm112 driver 2020-06-22 09:05:29 +02:00
mailbox mailbox: avoid timer start from callback 2020-10-30 10:38:21 +01:00
mcb
md bcache: fix a lost wake-up problem caused by mca_cannibalize_lock 2020-10-01 13:14:27 +02:00
media media: ti-vpe: Fix a missing check and reference count leak 2020-10-29 09:55:04 +01:00
memory
memstick
message scsi: mptscsih: Fix read sense data size 2020-07-16 08:17:23 +02:00
mfd mfd: sm501: Fix leaks in probe() 2020-10-29 09:55:13 +01:00
misc misc: mic: scif: Fix error handling path 2020-10-29 09:55:11 +01:00
mmc mmc: core: don't set limits.discard_granularity as 0 2020-10-14 10:31:26 +02:00
mtd mtd: mtdoops: Don't write panic data twice 2020-10-29 09:55:17 +01:00
mux
net net: korina: fix kfree of rx/tx descriptor array 2020-10-29 09:55:15 +01:00
nfc NFC: st95hf: Fix memleak in st95hf_in_send_cmd 2020-09-17 13:45:24 +02:00
ntb NTB: perf: Fix race condition when run with ntb_test 2020-06-25 15:33:03 +02:00
nubus
nvdimm libnvdimm: Fix endian conversion issues 2020-06-07 13:17:53 +02:00
nvme nvme-core: put ctrl ref when module ref get fail 2020-10-14 10:31:22 +02:00
nvmem nvmem: qfprom: remove incorrect write support 2020-06-10 21:35:00 +02:00
of of: of_mdio: Correct loop scanning logic 2020-07-22 09:32:03 +02:00
opp
oprofile
parisc parisc: mask out enable and reserved bits from sba imask 2020-08-19 08:15:07 +02:00
parport
pci PCI: iproc: Set affinity mask on MSI interrupts 2020-10-30 10:38:21 +01:00
pcmcia
perf drivers/perf: xgene_pmu: Fix uninitialized resource struct 2020-10-29 09:55:00 +01:00
phy phy: samsung: s5pv210-usb2: Add delay after reset 2020-10-01 13:14:44 +02:00
pinctrl pinctrl: mcp23s08: Fix mcp23x17 precious range 2020-10-29 09:55:10 +01:00
platform platform/x86: mlx-platform: Remove PSU EEPROM configuration 2020-10-29 09:55:14 +01:00
pnp
power power: supply: max17040: Correct voltage reading 2020-10-01 13:14:43 +02:00
powercap
pps
ps3
ptp
pwm pwm: img: Fix null pointer access in probe 2020-10-30 10:38:21 +01:00
rapidio rapidio: fix the missed put_device() for rio_mport_add_riodev 2020-10-30 10:38:21 +01:00
ras
regulator regulator: resolve supply after creating regulator 2020-10-29 09:55:04 +01:00
remoteproc remoteproc: qcom: q6v5: Update running state before requesting stop 2020-08-21 11:05:34 +02:00
reset
rpmsg rpmsg: smd: Fix a kobj leak in in qcom_smd_parse_edge() 2020-10-30 10:38:21 +01:00
rtc rtc: ds1374: fix possible race condition 2020-10-01 13:14:38 +02:00
s390 s390/zcrypt: Fix ZCRYPT_PERDEV_REQCNT ioctl 2020-10-01 13:14:54 +02:00
sbus
scsi scsi: be2iscsi: Fix a theoretical leak in beiscsi_create_eqs() 2020-10-29 09:55:14 +01:00
sfi
sh
siox
slimbus slimbus: qcom-ngd-ctrl: disable ngd in qmi server down callback 2020-10-29 09:55:12 +01:00
sn
soc soc: qcom: rpmh-rsc: Set suppress_bind_attrs flag 2020-08-19 08:14:50 +02:00
soundwire
spi spi: spi-s3c64xx: Check return values 2020-10-29 09:55:05 +01:00
spmi
ssb
staging staging: rtl8192u: Do not use GFP_KERNEL in atomic context 2020-10-29 09:55:07 +01:00
target scsi: target: tcmu: Fix warning: 'page' may be used uninitialized 2020-10-29 09:55:14 +01:00
tc
tee
thermal thermal: rcar_thermal: Handle probe error gracefully 2020-10-01 13:14:39 +02:00
thunderbolt thunderbolt: Drop duplicated get_switch_at_route() 2020-05-27 17:37:40 +02:00
tty pty: do tty_flip_buffer_push without port->lock in pty_write 2020-10-29 09:55:08 +01:00
uio uio_pdrv_genirq: fix use without device tree and no interrupt 2020-07-22 09:32:11 +02:00
usb usb: dwc2: Fix INTR OUT transfers in DDMA mode. 2020-10-29 09:55:14 +01:00
uwb
vfio vfio/pci: Clear token on bypass registration failure 2020-10-30 10:38:23 +01:00
vhost vsock/virtio: add transport parameter to the virtio_transport_reset_no_sock() 2020-10-07 08:00:05 +02:00
video video: fbdev: radeon: Fix memleak in radeonfb_pci_register 2020-10-29 09:55:09 +01:00
virt drivers/virt/fsl_hypervisor: Fix error handling path 2020-10-29 09:55:09 +01:00
virtio virtio_ring: Avoid loop when vq is broken in virtqueue_poll 2020-08-26 10:31:01 +02:00
visorbus
vlynq
vme
w1 w1: omap-hdq: cleanup to add missing newline for some dev_dbg 2020-06-22 09:05:30 +02:00
watchdog watchdog: sp5100: Fix definition of EFCH_PM_DECODEEN3 2020-10-30 10:38:22 +01:00
xen xen/xenbus: Fix granting of vmalloc'd memory 2020-09-09 19:04:24 +02:00
zorro
Kconfig
Makefile