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Message #11102
[Bug 1657540] Re: [Hyper-V] netvsc: add rcu_read locked to netvsc callback
This bug was fixed in the package linux - 4.4.0-63.84
---------------
linux (4.4.0-63.84) xenial; urgency=low
[ Thadeu Lima de Souza Cascardo ]
* Release Tracking Bug
- LP: #1660704
* Backport Dirty COW patch to prevent wineserver freeze (LP: #1658270)
- SAUCE: mm: Respect FOLL_FORCE/FOLL_COW for thp
* Kdump through NMI SMP and single core not working on Ubuntu16.10
(LP: #1630924)
- x86/hyperv: Handle unknown NMIs on one CPU when unknown_nmi_panic
- SAUCE: hv: don't reset hv_context.tsc_page on crash
* [regression 4.8.0-14 -> 4.8.0-17] keyboard and touchscreen lost on Acer
Chromebook R11 (LP: #1630238)
- [Config] CONFIG_PINCTRL_CHERRYVIEW=y
* Call trace when testing fstat stressor on ppc64el with virtual keyboard and
mouse present (LP: #1652132)
- SAUCE: HID: usbhid: Quirk a AMI virtual mouse and keyboard with ALWAYS_POLL
* VLAN SR-IOV regression for IXGBE driver (LP: #1658491)
- ixgbe: Force VLNCTRL.VFE to be set in all VMDq paths
* "Out of memory" errors after upgrade to 4.4.0-59 (LP: #1655842)
- mm, page_alloc: convert alloc_flags to unsigned
- mm, compaction: change COMPACT_ constants into enum
- mm, compaction: distinguish COMPACT_DEFERRED from COMPACT_SKIPPED
- mm, compaction: simplify __alloc_pages_direct_compact feedback interface
- mm, compaction: distinguish between full and partial COMPACT_COMPLETE
- mm, compaction: abstract compaction feedback to helpers
- mm, oom: protect !costly allocations some more
- mm: consider compaction feedback also for costly allocation
- mm, oom, compaction: prevent from should_compact_retry looping for ever for
costly orders
- mm, oom: protect !costly allocations some more for !CONFIG_COMPACTION
- mm, oom: prevent premature OOM killer invocation for high order request
* Backport 3 patches to fix bugs with AIX clients using IBMVSCSI Target Driver
(LP: #1657194)
- SAUCE: ibmvscsis: Fix max transfer length
- SAUCE: ibmvscsis: fix sleeping in interrupt context
- SAUCE: ibmvscsis: Fix srp_transfer_data fail return code
* NVMe: adapter is missing after abnormal shutdown followed by quick reboot,
quirk needed (LP: #1656913)
- nvme: apply DELAY_BEFORE_CHK_RDY quirk at probe time too
* Ubuntu 16.10 KVM SRIOV: if enable sriov while ping flood is running ping
will stop working (LP: #1625318)
- PCI: Do any VF BAR updates before enabling the BARs
- PCI: Ignore BAR updates on virtual functions
- PCI: Update BARs using property bits appropriate for type
- PCI: Separate VF BAR updates from standard BAR updates
- PCI: Don't update VF BARs while VF memory space is enabled
- PCI: Remove pci_resource_bar() and pci_iov_resource_bar()
- PCI: Decouple IORESOURCE_ROM_ENABLE and PCI_ROM_ADDRESS_ENABLE
- PCI: Add comments about ROM BAR updating
* Linux rtc self test fails in a VM under xenial (LP: #1649718)
- kvm: x86: Convert ioapic->rtc_status.dest_map to a struct
- kvm: x86: Track irq vectors in ioapic->rtc_status.dest_map
- kvm: x86: Check dest_map->vector to match eoi signals for rtc
* Xenial update to v4.4.44 stable release (LP: #1658091)
- Input: xpad - use correct product id for x360w controllers
- Input: i8042 - add Pegatron touchpad to noloop table
- selftests: do not require bash to run netsocktests testcase
- selftests: do not require bash for the generated test
- mm: fix devm_memremap_pages crash, use mem_hotplug_{begin, done}
- ocfs2: fix crash caused by stale lvb with fsdlm plugin
- mm/hugetlb.c: fix reservation race when freeing surplus pages
- KVM: x86: fix emulation of "MOV SS, null selector"
- KVM: eventfd: fix NULL deref irqbypass consumer
- jump_labels: API for flushing deferred jump label updates
- KVM: x86: flush pending lapic jump label updates on module unload
- KVM: x86: add Align16 instruction flag
- KVM: x86: add asm_safe wrapper
- KVM: x86: emulate FXSAVE and FXRSTOR
- KVM: x86: Introduce segmented_write_std
- nl80211: fix sched scan netlink socket owner destruction
- USB: serial: kl5kusb105: fix line-state error handling
- USB: serial: ch341: fix initial modem-control state
- USB: serial: ch341: fix open error handling
- USB: serial: ch341: fix control-message error handling
- USB: serial: ch341: fix open and resume after B0
- Input: elants_i2c - avoid divide by 0 errors on bad touchscreen data
- i2c: print correct device invalid address
- i2c: fix kernel memory disclosure in dev interface
- xhci: fix deadlock at host remove by running watchdog correctly
- vme: Fix wrong pointer utilization in ca91cx42_slave_get
- mnt: Protect the mountpoint hashtable with mount_lock
- tty/serial: atmel_serial: BUG: stop DMA from transmitting in stop_tx
- sysrq: attach sysrq handler correctly for 32-bit kernel
- sysctl: Drop reference added by grab_header in proc_sys_readdir
- drm/radeon: drop verde dpm quirks
- USB: serial: ch341: fix resume after reset
- USB: serial: ch341: fix modem-control and B0 handling
- x86/cpu: Fix bootup crashes by sanitizing the argument of the 'clearcpuid='
command-line option
- btrfs: fix locking when we put back a delayed ref that's too new
- btrfs: fix error handling when run_delayed_extent_op fails
- pinctrl: meson: fix gpio request disabling other modes
- pNFS: Fix race in pnfs_wait_on_layoutreturn
- NFS: Fix a performance regression in readdir
- NFSv4.1: nfs4_fl_prepare_ds must be careful about reporting success.
- cpufreq: powernv: Disable preemption while checking CPU throttling state
- block: cfq_cpd_alloc() should use @gfp
- ACPI / APEI: Fix NMI notification handling
- blk-mq: Always schedule hctx->next_cpu
- bus: vexpress-config: fix device reference leak
- powerpc/ibmebus: Fix further device reference leaks
- powerpc/ibmebus: Fix device reference leaks in sysfs interface
- pinctrl: sh-pfc: Do not unconditionally support PIN_CONFIG_BIAS_DISABLE
- Linux 4.4.44
* Add support for RT5660 codec based sound cards on Baytrail (LP: #1657674)
- ASoC: rt5660: add rt5660 codec driver
- ASoC: rt5660: enable MCLK detection
- ASoC: Intel: Atom: flip logic for gain Switch
- SAUCE: (no-up) ASoC: rt5660: Add ACPI support
- SAUCE: (no-up) ASoC: Intel: Support machine driver for RT5660 on Baytrail
- [Config] CONFIG_SND_SOC_INTEL_BYTCR_RT5660_MACH=m, CONFIG_SND_SOC_RT5660=m
* Support latest Redpine WLAN/BT RS9113 driver (LP: #1657682)
- SAUCE: Support Redpine RS9113 WLAN/BT
- SAUCE: Separate Redpine RS9113 WLAN/BT vendor and kernel drivers
- SAUCE: Redpine RS9113 WLAN/BT driver ver. 0.9.7
- SAUCE: RS9113: Use vendor driver to support WLAN/BT card on Caracalla HW
only
- SAUCE: RS9113: Comment out IDs from upstream driver
- [Config] Enable CONFIG_VEN_RSI_* configs
* [Hyper-V] netvsc: add rcu_read locked to netvsc callback (LP: #1657540)
- netvsc: add rcu_read locking to netvsc callback
* [Hyper-V] Rebase Hyper-V in 16.04 and 16.10 to the the upstream 4.9 kernel
(LP: #1650059)
- memory-hotplug: add automatic onlining policy for the newly added memory
- hv_netvsc: Add query for initial physical link speed
- hv_netvsc: Add handler for physical link speed change
- hv_netvsc: Implement batching of receive completions
- PCI: hv: Use list_move_tail() instead of list_del() + list_add_tail()
- hv_netvsc: fix rtnl locking in callback
- hv_netvsc: make RSS hash key static
- hv_netvsc: use kcalloc
- hv_netvsc: style cleanups
- hv_netvsc: make inline functions static
- hv_netvsc: use ARRAY_SIZE() for NDIS versions
- hv_netvsc: make device_remove void
- hv_netvsc: init completion during alloc
- hv_netvsc: rearrange start_xmit
- hv_netvsc: refactor completion function
- hv_netvsc: make netvsc_destroy_buf void
- hv_netvsc: make variable local
- hv_netvsc: report vmbus name in ethtool
- hv_netvsc: add ethtool statistics for tx packet issues
- Drivers: hv: get rid of redundant messagecount in create_gpadl_header()
- Drivers: hv: don't leak memory in vmbus_establish_gpadl()
- Drivers: hv: get rid of timeout in vmbus_open()
- Drivers: hv: utils: fix a race on userspace daemons registration
- Drivers: hv: vmbus: fix the race when querying & updating the percpu list
- Drivers: hv: vmbus: Enable explicit signaling policy for NIC channels
- Drivers: hv: vmbus: Reduce the delay between retries in vmbus_post_msg()
- Drivers: hv: vmbus: Implement a mechanism to tag the channel for low latency
- Tools: hv: kvp: ensure kvp device fd is closed on exec
- Drivers: hv: balloon: keep track of where ha_region starts
- Drivers: hv: balloon: account for gaps in hot add regions
- Drivers: hv: balloon: don't wait for ol_waitevent when memhp_auto_online is
enabled
- Drivers: hv: balloon: replace ha_region_mutex with spinlock
- Drivers: hv: balloon: Use available memory value in pressure report
- Drivers: hv: cleanup vmbus_open() for wrap around mappings
- Drivers: hv: ring_buffer: wrap around mappings for ring buffers
- Drivers: hv: ring_buffer: use wrap around mappings in hv_copy{from,
to}_ringbuffer()
- Drivers: hv: ring_buffer: count on wrap around mappings in
get_next_pkt_raw()
- Drivers: hv: Introduce a policy for controlling channel affinity
- Drivers: hv: utils: Continue to poll VSS channel after handling requests.
- Drivers: hv: utils: Check VSS daemon is listening before a hot backup
- PCI: hv: Use zero-length array in struct pci_packet
- PCI: hv: Use pci_function_description[0] in struct definitions
- PCI: hv: Remove the unused 'wrk' in struct hv_pcibus_device
- PCI: hv: Handle vmbus_sendpacket() failure in hv_compose_msi_msg()
- PCI: hv: Handle hv_pci_generic_compl() error case
- Revert "Drivers: hv: ring_buffer: count on wrap around mappings in
get_next_pkt_raw()"
- Driver: hv: vmbus: Make mmio resource local
- Drivers: hv: vmbus: suppress some "hv_vmbus: Unknown GUID" warnings
- Drivers: hv: utils: Rename version definitions to reflect protocol version.
- Drivers: hv: utils: Use TimeSync samples to adjust the clock after boot.
- Drivers: hv: utils: Support TimeSync version 4.0 protocol samples.
- Drivers: hv: hv_util: Avoid dynamic allocation in time synch
- Revert "hv_netvsc: make inline functions static"
- hv_netvsc: use consume_skb
- hv_netvsc: dev hold/put reference to VF
- hv_netvsc: simplify callback event code
- hv_netvsc: improve VF device matching
- hv_netvsc: use RCU to protect vf_netdev
- hv_netvsc: remove VF in flight counters
- hv_netvsc: count multicast packets received
- hv_netvsc: fix comments
- Drivers: hv: make VMBus bus ids persistent
- Drivers: hv: get rid of id in struct vmbus_channel
- netvsc: fix checksum on UDP IPV6
- netvsc: Remove mistaken udp.h inclusion.
- net/hyperv: avoid uninitialized variable
- Revert "hv_netvsc: report vmbus name in ethtool"
- vmbus: make sysfs names consistent with PCI
- netvsc: reduce maximum GSO size
- Drivers: hv: vmbus: Base host signaling strictly on the ring state
- tools: hv: Add a script to help bonding synthetic and VF NICs
* Ubuntu - ibmveth: abnormally large TCP MSS value caused a TCP session to
hang with a zero window (LP: #1655420)
- ibmveth: set correct gso_size and gso_type
- ibmveth: calculate gso_segs for large packets
* netfilter regression introducing a performance slowdown in binary
arp/ip/ip6tables (LP: #1640786)
- netfilter: x_tables: pass xt_counters struct instead of packet counter
- netfilter: x_tables: pass xt_counters struct to counter allocator
- netfilter: x_tables: pack percpu counter allocations
* Move some kernel modules to the main kernel package (part 2) (LP: #1655002)
- [Config] Add IBM power drivers to the inclusion list
* Xenial update to v4.4.43 stable release (LP: #1656876)
- netvsc: reduce maximum GSO size
- ser_gigaset: return -ENOMEM on error instead of success
- net: vrf: Drop conntrack data after pass through VRF device on Tx
- ipv6: handle -EFAULT from skb_copy_bits
- net, sched: fix soft lockup in tc_classify
- net: stmmac: Fix race between stmmac_drv_probe and stmmac_open
- net/mlx5: Check FW limitations on log_max_qp before setting it
- net/mlx5: Avoid shadowing numa_node
- drop_monitor: add missing call to genlmsg_end
- drop_monitor: consider inserted data in genlmsg_end
- igmp: Make igmp group member RFC 3376 compliant
- ipv4: Do not allow MAIN to be alias for new LOCAL w/ custom rules
- r8152: split rtl8152_suspend function
- r8152: fix rx issue for runtime suspend
- gro: Enter slow-path if there is no tailroom
- gro: use min_t() in skb_gro_reset_offset()
- gro: Disable frag0 optimization on IPv6 ext headers
- net: ipv4: Fix multipath selection with vrf
- net: vrf: do not allow table id 0
- HID: hid-cypress: validate length of report
- ALSA: firewire-tascam: Fix to handle error from initialization of stream
data
- powerpc: Fix build warning on 32-bit PPC
- ARM: zynq: Reserve correct amount of non-DMA RAM
- ARM: OMAP4+: Fix bad fallthrough for cpuidle
- spi: mvebu: fix baudrate calculation for armada variant
- ALSA: usb-audio: Add a quirk for Plantronics BT600
- mm/init: fix zone boundary creation
- Linux 4.4.43
* Xenial update to v4.4.42 stable release (LP: #1655969)
- ALSA: hda - Fix up GPIO for ASUS ROG Ranger
- ALSA: hda - Apply asus-mode8 fixup to ASUS X71SL
- ALSA: usb-audio: Fix irq/process data synchronization
- ARM: davinci: da850: don't add emac clock to lookup table twice
- mac80211: initialize fast-xmit 'info' later
- KVM: x86: reset MMU on KVM_SET_VCPU_EVENTS
- KVM: MIPS: Flush KVM entry code from icache globally
- usb: musb: core: add clear_ep_rxintr() to musb_platform_ops
- usb: musb: dsps: implement clear_ep_rxintr() callback
- usb: storage: unusual_uas: Add JMicron JMS56x to unusual device
- usb: gadgetfs: restrict upper bound on device configuration size
- USB: gadgetfs: fix unbounded memory allocation bug
- USB: gadgetfs: fix use-after-free bug
- USB: gadgetfs: fix checks of wTotalLength in config descriptors
- USB: fix problems with duplicate endpoint addresses
- USB: dummy-hcd: fix bug in stop_activity (handle ep0)
- usb: gadget: composite: Test get_alt() presence instead of set_alt()
- usb: dwc3: core: avoid Overflow events
- usb: xhci: fix possible wild pointer
- xhci: workaround for hosts missing CAS bit
- usb: xhci: apply XHCI_PME_STUCK_QUIRK to Intel Apollo Lake
- xhci: free xhci virtual devices with leaf nodes first
- usb: xhci: fix return value of xhci_setup_device()
- usb: host: xhci: Fix possible wild pointer when handling abort command
- xhci: Handle command completion and timeout race
- usb: xhci: hold lock over xhci_abort_cmd_ring()
- USB: serial: omninet: fix NULL-derefs at open and disconnect
- USB: serial: quatech2: fix sleep-while-atomic in close
- USB: serial: pl2303: fix NULL-deref at open
- USB: serial: keyspan_pda: verify endpoints at probe
- USB: serial: spcp8x5: fix NULL-deref at open
- USB: serial: io_ti: fix NULL-deref at open
- USB: serial: io_ti: fix another NULL-deref at open
- USB: serial: io_ti: fix I/O after disconnect
- USB: serial: iuu_phoenix: fix NULL-deref at open
- USB: serial: garmin_gps: fix memory leak on failed URB submit
- USB: serial: ti_usb_3410_5052: fix NULL-deref at open
- USB: serial: io_edgeport: fix NULL-deref at open
- USB: serial: oti6858: fix NULL-deref at open
- USB: serial: cyberjack: fix NULL-deref at open
- USB: serial: kobil_sct: fix NULL-deref in write
- USB: serial: mos7840: fix NULL-deref at open
- USB: serial: mos7720: fix NULL-deref at open
- USB: serial: mos7720: fix use-after-free on probe errors
- USB: serial: mos7720: fix parport use-after-free on probe errors
- USB: serial: mos7720: fix parallel probe
- usb: xhci-mem: use passed in GFP flags instead of GFP_KERNEL
- xhci: Use delayed_work instead of timer for command timeout
- xhci: Fix race related to abort operation
- usb: dwc3: pci: add Intel Gemini Lake PCI ID
- usb: musb: Fix trying to free already-free IRQ 4
- usb: hub: Move hub_port_disable() to fix warning if PM is disabled
- usb: musb: blackfin: add bfin_fifo_offset in bfin_ops
- ALSA: usb-audio: Fix bogus error return in snd_usb_create_stream()
- USB: serial: kl5kusb105: abort on open exception path
- ARM: dts: r8a7794: Correct hsusb parent clock
- USB: phy: am335x-control: fix device and of_node leaks
- USB: serial: io_ti: bind to interface after fw download
- mei: bus: fix mei_cldev_enable KDoc
- staging: iio: ad7606: fix improper setting of oversampling pins
- usb: dwc3: gadget: always unmap EP0 requests
- usb: dwc3: ep0: add dwc3_ep0_prepare_one_trb()
- usb: dwc3: ep0: explicitly call dwc3_ep0_prepare_one_trb()
- stable-fixup: hotplug: fix unused function warning
- ath10k: use the right length of "background"
- cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected
- hwmon: (scpi) Fix module autoload
- hwmon: (amc6821) sign extension temperature
- hwmon: (ds620) Fix overflows seen when writing temperature limits
- hwmon: (nct7802) Fix overflows seen when writing into limit attributes
- hwmon: (g762) Fix overflows and crash seen when writing limit attributes
- clk: clk-wm831x: fix a logic error
- clk: imx31: fix rewritten input argument of mx31_clocks_init()
- iommu/amd: Missing error code in amd_iommu_init_device()
- iommu/amd: Fix the left value check of cmd buffer
- iommu/vt-d: Fix pasid table size encoding
- iommu/vt-d: Flush old iommu caches for kdump when the device gets context
mapped
- ASoC: samsung: i2s: Fixup last IRQ unsafe spin lock call
- scsi: mvsas: fix command_active typo
- target/iscsi: Fix double free in lio_target_tiqn_addtpg()
- irqchip/bcm7038-l1: Implement irq_cpu_offline() callback
- PM / wakeirq: Fix dedicated wakeirq for drivers not using autosuspend
- mmc: mmc_test: Uninitialized return value
- s390/crypto: unlock on error in prng_tdes_read()
- crypto: arm64/sha2-ce - fix for big endian
- crypto: arm64/ghash-ce - fix for big endian
- crypto: arm/aes-ce - fix for big endian
- crypto: arm64/aes-ccm-ce: fix for big endian
- crypto: arm64/aes-neon - fix for big endian
- crypto: arm64/sha1-ce - fix for big endian
- crypto: arm64/aes-xts-ce: fix for big endian
- crypto: arm64/aes-ce - fix for big endian
- md: MD_RECOVERY_NEEDED is set for mddev->recovery
- powerpc/pci/rpadlpar: Fix device reference leaks
- staging: comedi: dt282x: tidy up register bit defines
- cred/userns: define current_user_ns() as a function
- net: ti: cpmac: Fix compiler warning due to type confusion
- net: vxge: avoid unused function warnings
- cx23885-dvb: move initialization of a8293_pdata
- drm/radeon: Always store CRTC relative radeon_crtc->cursor_x/y values
- tick/broadcast: Prevent NULL pointer dereference
- Revert "usb: gadget: composite: always set ep->mult to a sensible value"
- usb: gadget: composite: always set ep->mult to a sensible value
- Linux 4.4.42
* Xenial update to v4.4.41 stable release (LP: #1655041)
- ssb: Fix error routine when fallback SPROM fails
- rtlwifi: Fix enter/exit power_save
- cfg80211/mac80211: fix BSS leaks when abandoning assoc attempts
- ath9k: Really fix LED polarity for some Mini PCI AR9220 MB92 cards.
- mmc: sdhci: Fix recovery from tuning timeout
- regulator: stw481x-vmmc: fix ages old enable error
- timekeeping_Force_unsigned_clocksource_to_nanoseconds_conversion
- clk: bcm2835: Avoid overwriting the div info when disabling a pll_div clk
- thermal: hwmon: Properly report critical temperature in sysfs
- staging: comedi: ni_mio_common: fix M Series ni_ai_insn_read() data mask
- staging: comedi: ni_mio_common: fix E series ni_ai_insn_read() data
- ACPI / video: Add force_native quirk for Dell XPS 17 L702X
- ACPI / video: Add force_native quirk for HP Pavilion dv6
- drm/nouveau/kms: lvds panel strap moved again on maxwell
- drm/nouveau/bios: require checksum to match for fast acpi shadow method
- drm/nouveau/ltc: protect clearing of comptags with mutex
- drm/nouveau/fifo/gf100-: protect channel preempt with subdev mutex
- drm/nouveau/i2c/gk110b,gm10x: use the correct implementation
- drm/radeon: Also call cursor_move_locked when the cursor size changes
- drm/radeon: Hide the HW cursor while it's out of bounds
- drm/radeon: add additional pci revision to dpm workaround
- drm/gma500: Add compat ioctl
- drivers/gpu/drm/ast: Fix infinite loop if read fails
- mei: request async autosuspend at the end of enumeration
- block: protect iterate_bdevs() against concurrent close
- vt: fix Scroll Lock LED trigger name
- scsi: megaraid_sas: For SRIOV enabled firmware, ensure VF driver waits for
30secs before reset
- scsi: megaraid_sas: Do not set MPI2_TYPE_CUDA for JBOD FP path for FW which
does not support JBOD sequence map
- scsi: zfcp: fix use-after-"free" in FC ingress path after TMF
- scsi: zfcp: do not trace pure benign residual HBA responses at default level
- scsi: zfcp: fix rport unblock race with LUN recovery
- scsi: avoid a permanent stop of the scsi device's request queue
- ARC: mm: arc700: Don't assume 2 colours for aliasing VIPT dcache
- firmware: fix usermode helper fallback loading
- s390/vmlogrdr: fix IUCV buffer allocation
- sc16is7xx: Drop bogus use of IRQF_ONESHOT
- md/raid5: limit request size according to implementation limits
- KVM: PPC: Book3S HV: Save/restore XER in checkpointed register state
- KVM: PPC: Book3S HV: Don't lose hardware R/C bit updates in H_PROTECT
- kvm: nVMX: Allow L1 to intercept software exceptions (#BP and #OF)
- platform/x86: asus-nb-wmi.c: Add X45U quirk
- fgraph: Handle a case where a tracer ignores set_graph_notrace
- IB/mad: Fix an array index check
- IPoIB: Avoid reading an uninitialized member variable
- IB/multicast: Check ib_find_pkey() return value
- IB/cma: Fix a race condition in iboe_addr_get_sgid()
- media: solo6x10: fix lockup by avoiding delayed register write
- Input: drv260x - fix input device's parent assignment
- PCI: Check for PME in targeted sleep state
- libceph: verify authorize reply on connect
- nfs_write_end(): fix handling of short copies
- powerpc/ps3: Fix system hang with GCC 5 builds
- powerpc: Convert cmp to cmpd in idle enter sequence
- kconfig/nconf: Fix hang when editing symbol with a long prompt
- sg_write()/bsg_write() is not fit to be called under KERNEL_DS
- net: mvpp2: fix dma unmapping of TX buffers for fragments
- Linux 4.4.41
-- Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxx> Wed, 01 Feb
2017 14:00:35 -0200
** Changed in: linux (Ubuntu Xenial)
Status: Fix Committed => Fix Released
** Changed in: linux (Ubuntu Yakkety)
Status: Fix Committed => Fix Released
--
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https://bugs.launchpad.net/bugs/1657540
Title:
[Hyper-V] netvsc: add rcu_read locked to netvsc callback
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Fix Released
Status in linux source package in Yakkety:
Fix Released
Status in linux source package in Zesty:
Fix Released
Bug description:
Please add the following upstream commit (and its prerequisites) for
SR-IOV on Azure:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0719e72ccb801829a3d735d187ca8417f0930459
author
stephen hemminger <stephen@xxxxxxxxxxxxxxxxxx>
2017-01-11 17:16:32 (GMT)
committer
David S. Miller <davem@xxxxxxxxxxxxx>
2017-01-11 21:13:53 (GMT)
commit
0719e72ccb801829a3d735d187ca8417f0930459 (patch)
tree
a4f718fefcb15433fa59f6d4add44ae220edb806
parent
4ecb1d83f6abe8d49163427f4d431ebe98f8bd5f (diff)
netvsc: add rcu_read locking to netvsc callback
The receive callback (in tasklet context) is using RCU to get reference
to associated VF network device but this is not safe. RCU read lock
needs to be held. Found by running with full lockdep debugging
enabled.
Fixes: f207c10d9823 ("hv_netvsc: use RCU to protect vf_netdev")
Signed-off-by: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
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