This bug was fixed in the package linux - 4.9.0-15.16
---------------
linux (4.9.0-15.16) zesty; urgency=low
[ Tim Gardner ]
* Release Tracking Bug
- LP: #1658101
* Zesty update to v4.9.5 stable release (LP: #1658099)
- Input: xpad - use correct product id for x360w controllers
- Input: i8042 - add Pegatron touchpad to noloop table
- pinctrl: imx: fix imx_pinctrl_desc initialization
- pinctrl: sh-pfc: r8a7795: Use lookup function for bias data
- pinctrl: sh-pfc: Add helper to handle bias lookup table
- regulator: tps65086: Fix 25mV ranges for BUCK regulators
- regulator: axp20x: Fix axp809 ldo_io registration error on cold boot
- drm/tegra: dpaux: Fix error handling
- drm/vc4: Fix a couple error codes in vc4_cl_lookup_bos()
- drm/savage: dereferencing an error pointer
- selftests: do not require bash to run netsocktests testcase
- selftests: do not require bash for the generated test
- zram: revalidate disk under init_lock
- zram: support BDI_CAP_STABLE_WRITES
- dax: fix deadlock with DAX 4k holes
- mm: pmd dirty emulation in page fault handler
- mm: fix devm_memremap_pages crash, use mem_hotplug_{begin, done}
- ocfs2: fix crash caused by stale lvb with fsdlm plugin
- mm, memcg: fix the active list aging for lowmem requests when memcg is
enabled
- mm: support anonymous stable page
- mm/slab.c: fix SLAB freelist randomization duplicate entries
- 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: fix NULL deref in vcpu_scan_ioapic
- KVM: x86: add Align16 instruction flag
- KVM: x86: add asm_safe wrapper
- KVM: x86: emulate FXSAVE and FXRSTOR
- KVM: x86: Introduce segmented_write_std
- efi/libstub/arm*: Pass latest memory map to the kernel
- efi/x86: Prune invalid memory map entries and fix boot regression
- x86/efi: Don't allocate memmap through memblock after mm_init()
- nl80211: fix sched scan netlink socket owner destruction
- gpio: Move freeing of GPIO hogs before numbing of the device
- xfs: Timely free truncated dirty pages
- bridge: netfilter: Fix dropping packets that moving through bridge
interface
- x86/cpu/AMD: Clean up cpu_llc_id assignment per topology feature
- x86/bugs: Separate AMD E400 erratum and C1E bug
- x86/CPU/AMD: Fix Bulldozer topology
- wusbcore: Fix one more crypto-on-the-stack bug
- usb: musb: fix runtime PM in debugfs
- USB: serial: kl5kusb105: fix line-state error handling
- USB: serial: ch341: fix initial modem-control state
- USB: serial: ch341: fix resume after reset
- 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
- fix a fencepost error in pipe_advance()
- xhci: fix deadlock at host remove by running watchdog correctly
- btrfs: fix crash when tracepoint arguments are freed by wq callbacks
- ASoC: hdmi-codec: use unsigned type to structure members with bit-field
- Revert "tty: serial: 8250: add CON_CONSDEV to flags"
- vme: Fix wrong pointer utilization in ca91cx42_slave_get
- pid: fix lockdep deadlock warning due to ucount_lock
- mnt: Protect the mountpoint hashtable with mount_lock
- drivers: char: mem: Fix thinkos in kmem address checks
- dmaengine: omap-dma: Fix dynamic lch_map allocation
- virtio_blk: avoid DMA to stack for the sense buffer
- tty/serial: atmel: RS485 half duplex w/DMA: enable RX after TX is done
- tty/serial: atmel_serial: BUG: stop DMA from transmitting in stop_tx
- orinoco: Use shash instead of ahash for MIC calculations
- sysrq: attach sysrq handler correctly for 32-bit kernel
- extcon: return error code on failure
- Clearing FIFOs in RS485 emulation mode causes subsequent transmits to
break
- sysctl: Drop reference added by grab_header in proc_sys_readdir
- net/af_iucv: don't use paged skbs for TX on HiperSockets
- drm/i915/gen9: Fix PCODE polling timeout in stable backport
- drm: Clean up planes in atomic commit helper failure path
- drm/radeon: update smc firmware selection for SI
- drm/radeon: drop verde dpm quirks
- drm/amdgpu: update si kicker smc firmware
- drm/amdgpu: drop verde dpm quirks
- USB: serial: ch341: fix modem-control and B0 handling
- net/mlx5: Only cancel recovery work when cleaning up device
- i2c: piix4: Avoid race conditions with IMC
- x86/cpu: Fix bootup crashes by sanitizing the argument of the
'clearcpuid=' command-line option
- nvme: apply DELAY_BEFORE_CHK_RDY quirk at probe time too
- 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
- NFS: fix typo in parameter description
- 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.
- i2c: mux: pca954x: fix i2c mux selection caching
- drm/i915/gen9: Fix PCODE polling during SAGV disabling
- drm: avoid uninitialized timestamp use in wait_vblank
- drm/panel: simple: Check against num_timings when setting preferred for
timing
- drm/i915: Move the min_pixclk[] handling to the end of readout
- drm: Initialise drm_mm.head_node.allocated
- remoteproc: qcom_wcnss: Fix circular module dependency
- remoteproc: st: Fix error return code in st_rproc_probe()
- powerpc/64: Simplify adaptation to new ISA v3.00 HPTE format
- cpufreq: powernv: Disable preemption while checking CPU throttling state
- regulators: helpers: Fix handling of bypass_val_on in get_bypass_regmap
- ACPI / CPPC: set an error code on probe error path
- block: Change extern inline to static inline
- block: cfq_cpd_alloc() should use @gfp
- ACPI / APEI: Fix NMI notification handling
- powercap/intel_rapl: fix and tidy up error handling
- iw_cxgb4: Fix error return code in c4iw_rdev_open()
- bq24190_charger: Fix PM runtime use for bq24190_battery_set_property
- power: supply: bq27xxx_battery: Fix register map for BQ27510 and BQ27520
- blk-mq: Always schedule hctx->next_cpu
- bus: vexpress-config: fix device reference leak
- powerpc/mm: Correct process and partition table max size
- powerpc/ibmebus: Fix further device reference leaks
- powerpc/ibmebus: Fix device reference leaks in sysfs interface
- powerpc/powernv: Don't warn on PE init if unfreeze is unsupported
- arm64: hugetlb: fix the wrong address for several functions
- arm64: hugetlb: remove the wrong pmd check in find_num_contig()
- arm64: hugetlb: fix the wrong return value for huge_ptep_set_access_flags
- pinctrl: sh-pfc: Do not unconditionally support PIN_CONFIG_BIAS_DISABLE
- Linux 4.9.5
* KVM module handling different per Architecture - ppc64el (LP: #1657734)
- [Config] powerpc: Add kvm-hv and kvm-pr to the generic inclusion list
* ENA network driver moved to -extra (LP: #1657767)
- [Config] Move Amazon ENA network driver to the main kernel package
* [Hyper-V] netvsc: add rcu_read locked to netvsc callback (LP: #1657540)
- netvsc: add rcu_read locking to netvsc callback
* 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
-- Tim Gardner <tim.gard...@canonical.com> Tue, 17 Jan 2017 11:27:33
-0700
** Changed in: linux (Ubuntu Zesty)
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 Committed
Status in linux source package in Yakkety:
Fix Committed
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 <step...@networkplumber.org>
2017-01-11 17:16:32 (GMT)
committer
David S. Miller <da...@davemloft.net>
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 <sthem...@microsoft.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
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