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[Launchpad Bug Tracker <1527902@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux-lts-utopic -
3.16.0-62.82~14.04.1

---------------
linux-lts-utopic (3.16.0-62.82~14.04.1) trusty; urgency=low

  [ Seth Forshee ]

  * SAUCE: cred: Add clone_cred() interface
    - LP: #1534961, #1535150
    - CVE-2016-1575 CVE-2016-1576
  * SAUCE: overlayfs: Use mounter's credentials instead of selectively
    raising caps
    - LP: #1534961, #1535150
    - CVE-2016-1575 CVE-2016-1576
  * SAUCE: overlayfs: Skip permission checking for trusted.overlayfs.*
    xattrs
    - LP: #1534961, #1535150
    - CVE-2016-1575 CVE-2016-1576
  * SAUCE: overlayfs: Be more careful about copying up sxid files
    - LP: #1534961, #1535150
    - CVE-2016-1575 CVE-2016-1576
  * SAUCE: overlayfs: Propogate nosuid from lower and upper mounts
    - LP: #1534961, #1535150
    - CVE-2016-1575 CVE-2016-1576

linux-lts-utopic (3.16.0-61.81~14.04.1) trusty; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1541076

  [ Eric Dumazet ]

  * SAUCE: (no-up) udp: properly support MSG_PEEK with truncated buffers
    - LP: #1527902

  [ J. R. Okajima ]

  * SAUCE: ubuntu: aufs: tiny, extract a new func xino_fwrite_wkq()
    - LP: #1533043
  * SAUCE: ubuntu: aufs: for 4.3, XINO handles EINTR from the dying process
    - LP: #1533043

  [ Upstream Kernel Changes ]

  * Revert "[stable-only] net: add length argument to
    skb_copy_and_csum_datagram_iovec"
    - LP: #1540412
  * xfrm: dst_entries_init() per-net dst_ops
    - LP: #1486670
  * fuse: break infinite loop in fuse_fill_write_pages()
    - LP: #1540412
  * usb: gadget: pxa27x: fix suspend callback
    - LP: #1540412
  * iio: fix some warning messages
    - LP: #1540412
  * USB: cp210x: Remove CP2110 ID from compatibility list
    - LP: #1540412
  * USB: cdc_acm: Ignore Infineon Flash Loader utility
    - LP: #1540412
  * USB: serial: Another Infineon flash loader USB ID
    - LP: #1540412
  * ext4: Fix handling of extended tv_sec
    - LP: #1540412
  * jbd2: Fix unreclaimed pages after truncate in data=journal mode
    - LP: #1540412
  * drm/ttm: Fixed a read/write lock imbalance
    - LP: #1540412
  * AHCI: Fix softreset failed issue of Port Multiplier
    - LP: #1540412
  * sata_sil: disable trim
    - LP: #1540412
  * usb-storage: Fix scsi-sd failure "Invalid field in cdb" for USB adapter
    JMicron
    - LP: #1540412
  * staging: lustre: echo_copy.._lsm() dereferences userland pointers
    directly
    - LP: #1540412
  * irqchip/versatile-fpga: Fix PCI IRQ mapping on Versatile PB
    - LP: #1540412
  * usb: core : hub: Fix BOS 'NULL pointer' kernel panic
    - LP: #1540412
  * USB: whci-hcd: add check for dma mapping error
    - LP: #1540412
  * usb: Use the USB_SS_MULT() macro to decode burst multiplier for log
    message
    - LP: #1540412
  * dm btree: fix leak of bufio-backed block in btree_split_sibling error
    path
    - LP: #1540412
  * perf: Fix PERF_EVENT_IOC_PERIOD deadlock
    - LP: #1540412
  * usb: xhci: fix config fail of FS hub behind a HS hub with MTT
    - LP: #1540412
  * ALSA: rme96: Fix unexpected volume reset after rate changes
    - LP: #1540412
  * ALSA: hda - Add inverted dmic for Packard Bell DOTS
    - LP: #1523232, #1540412
  * virtio: fix memory leak of virtio ida cache layers
    - LP: #1540412
  * nfs4: limit callback decoding to received bytes
    - LP: #1540412
  * SUNRPC: Fix callback channel
    - LP: #1540412
  * IB/srp: Fix possible send queue overflow
    - LP: #1540412
  * ALSA: hda - Fixing speaker noise on the two latest thinkpad models
    - LP: #1523517, #1540412
  * 9p: ->evict_inode() should kick out ->i_data, not ->i_mapping
    - LP: #1540412
  * radeon/cik: Fix GFX IB test on Big-Endian
    - LP: #1540412
  * radeon: Fix VCE ring test for Big-Endian systems
    - LP: #1540412
  * radeon: Fix VCE IB test on Big-Endian systems
    - LP: #1540412
  * ALSA: hda - Fix noise problems on Thinkpad T440s
    - LP: #1540412
  * dm thin metadata: fix bug when taking a metadata snapshot
    - LP: #1540412
  * dm space map metadata: fix ref counting bug when bootstrapping a new
    space map
    - LP: #1540412
  * ipmi: move timer init to before irq is setup
    - LP: #1540412
  * dm btree: fix bufio buffer leaks in dm_btree_del() error path
    - LP: #1540412
  * vgaarb: fix signal handling in vga_get()
    - LP: #1540412
  * xhci: fix usb2 resume timing and races.
    - LP: #1540412
  * USB: add quirk for devices with broken LPM
    - LP: #1540412
  * parisc iommu: fix panic due to trying to allocate too large region
    - LP: #1540412
  * mm: hugetlb: fix hugepage memory leak caused by wrong reserve count
    - LP: #1540412
  * mm, vmstat: allow WQ concurrency to discover memory reclaim doesn't
    make any progress
    - LP: #1540412
  * mm: hugetlb: call huge_pte_alloc() only if ptep is null
    - LP: #1540412
  * drivers/base/memory.c: prohibit offlining of memory blocks with missing
    sections
    - LP: #1540412
  * ocfs2: fix SGID not inherited issue
    - LP: #1540412
  * sh64: fix __NR_fgetxattr
    - LP: #1540412
  * usb: musb: USB_TI_CPPI41_DMA requires dmaengine support
    - LP: #1540412
  * efi: Disable interrupts around EFI calls, not in the epilog/prolog
    calls
    - LP: #1540412
  * MIPS: uaccess: Take EVA into account in __copy_from_user()
    - LP: #1540412
  * MIPS: uaccess: Take EVA into account in [__]clear_user
    - LP: #1540412
  * tools: Add a "make all" rule
    - LP: #1540412
  * i2c: mv64xxx: The n clockdiv factor is 0 based on sunxi SoCs
    - LP: #1540412
  * xen/events/fifo: Consume unprocessed events when a CPU dies
    - LP: #1540412
  * video: fbdev: fsl: Fix kernel crash when diu_ops is not implemented
    - LP: #1540412
  * crypto: skcipher - Copy iv from desc even for 0-len walks
    - LP: #1540412
  * rfkill: copy the name into the rfkill struct
    - LP: #1540412
  * ses: Fix problems with simple enclosures
    - LP: #1540412
  * ses: fix additional element traversal bug
    - LP: #1540412
  * powercap / RAPL: fix BIOS lock check
    - LP: #1540412
  * n_tty: Fix poll() after buffer-limited eof push read
    - LP: #1540412
  * tty: Fix GPF in flush_to_ldisc()
    - LP: #1540412
  * ALSA: usb-audio: Add a more accurate volume quirk for AudioQuest
    DragonFly
    - LP: #1540412
  * ARM: 8471/1: need to save/restore arm register(r11) when it is
    corrupted
    - LP: #1540412
  * ALSA: hda - Add a fixup for Thinkpad X1 Carbon 2nd
    - LP: #1540412
  * spi: fix parent-device reference leak
    - LP: #1540412
  * dma-debug: Fix dma_debug_entry offset calculation
    - LP: #1540412
  * ARC: dw2 unwind: Reinstante unwinding out of modules
    - LP: #1540412
  * ARC: dw2 unwind: Ignore CIE version !=1 gracefully instead of bailing
    - LP: #1540412
  * powerpc/powernv: Fix the overflow of OPAL message notifiers head array
    - LP: #1540412
  * powerpc/powernv: pr_warn_once on unsupported OPAL_MSG type
    - LP: #1540412
  * USB: ipaq.c: fix a timeout loop
    - LP: #1540412
  * USB: fix invalid memory access in hub_activate()
    - LP: #1540412
  * pinctrl: bcm2835: Fix initial value for direction_output
    - LP: #1540412
  * net: phy: mdio-mux: Check return value of mdiobus_alloc()
    - LP: #1540412
  * sh_eth: fix TX buffer byte-swapping
    - LP: #1540412
  * mISDN: fix a loop count
    - LP: #1540412
  * amd-xgbe: fix a couple timeout loops
    - LP: #1540412
  * qlcnic: fix a timeout loop
    - LP: #1540412
  * ser_gigaset: fix deallocation of platform device structure
    - LP: #1540412
  * net: fix warnings in 'make htmldocs' by moving macro definition out of
    field declaration
    - LP: #1540412
  * include/linux/mmdebug.h: should include linux/bug.h
    - LP: #1540412
  * drm/i915: Fix SRC_COPY width on 830/845g
    - LP: #1540412
  * vmstat: allocate vmstat_wq before it is used
    - LP: #1540412
  * KVM: PPC: Book3S HV: Prohibit setting illegal transaction state in MSR
    - LP: #1540412
  * ASoC: wm8974: set cache type for regmap
    - LP: #1540412
  * ARM: dts: imx6: Fix Ethernet PHY mode on Ventana boards
    - LP: #1540412
  * scripts: recordmcount: break hardlinks
    - LP: #1540412
  * ftrace/scripts: Have recordmcount copy the object file
    - LP: #1540412
  * ALSA: hda - Set SKL+ hda controller power at freeze() and thaw()
    - LP: #1540412
  * s390/dis: Fix handling of format specifiers
    - LP: #1540412
  * parisc: Fix syscall restarts
    - LP: #1540412
  * ALSA: hda/realtek - Fix silent headphone output on MacPro 4,1 (v2)
    - LP: #1540412
  * MIPS: uaccess: Fix strlen_user with EVA
    - LP: #1540412
  * arm: fix handling of F_OFD_... in oabi_fcntl64()
    - LP: #1540412
  * ocfs2: fix BUG when calculate new backup super
    - LP: #1540412
  * mm/memory_hotplug.c: check for missing sections in
    test_pages_in_a_zone()
    - LP: #1540412
  * net/mlx4_en: Remove dependency between timestamping capability and
    service_task
    - LP: #1540412
  * net/mlx4_en: Fix HW timestamp init issue upon system startup
    - LP: #1540412
  * ipv6/addrlabel: fix ip6addrlbl_get()
    - LP: #1540412
  * qlcnic: fix a loop exit condition better
    - LP: #1540412
  * genirq: Prevent chip buslock deadlock
    - LP: #1540412
  * ftrace/scripts: Fix incorrect use of sprintf in recordmcount
    - LP: #1540412
  * tracing: Fix setting of start_index in find_next()
    - LP: #1540412
  * dts: vt8500: Add SDHC node to DTS file for WM8650
    - LP: #1540412
  * x86/mce: Ensure offline CPUs don't participate in rendezvous process
    - LP: #1540412
  * ASoC: arizona: Fix bclk for sample rates that are multiple of 4kHz
    - LP: #1540412
  * async_tx: use GFP_NOWAIT rather than GFP_IO
    - LP: #1540412
  * ftrace/module: Call clean up function when module init fails early
    - LP: #1540412
  * ASoC: Use nested lock for snd_soc_dapm_mutex_lock
    - LP: #1540412
  * net: filter: make JITs zero A for SKF_AD_ALU_XOR_X
    - LP: #1540412
  * net: possible use after free in dst_release
    - LP: #1540412
  * kvm: x86: only channel 0 of the i8254 is linked to the HPET
    - LP: #1540412
  * firmware: dmi_scan: Fix UUID endianness for SMBIOS >= 2.6
    - LP: #1540412
  * Linux 3.16.7-ckt23
    - LP: #1540412

 -- Luis Henriques <luis.henriques@xxxxxxxxxxxxx>  Fri, 19 Feb 2016
11:17:23 +0000

** Changed in: linux-lts-utopic (Ubuntu)
       Status: Fix Committed => Fix Released

-- 
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https://bugs.launchpad.net/bugs/1527902

Title:
  3.13.0-71: IPv6 UDP DNS packets are not received

Status in linux package in Ubuntu:
  Fix Released
Status in linux-lts-trusty package in Ubuntu:
  Invalid
Status in linux-lts-utopic package in Ubuntu:
  Fix Released
Status in linux-lts-trusty source package in Precise:
  Fix Released
Status in linux source package in Trusty:
  Fix Released
Status in linux source package in Vivid:
  Fix Released
Status in linux source package in Wily:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  After upgrading linux kernel from version 3.13.0-68 to 3.13.0-71 then
  Kopete (IM messenger) stopped working, cannot connect to any jabber
  server.

  I started debugging this problem and found out that, problem resolve
  when I boot back 3.13.0-68 kernel version (without touching any system
  files or packages). When I boot 3.13.0-71 Kopete always does not
  connect.

  Next I debugged that problem on 3.13.0-71 is just when
  /etc/resolv.conf contains only IPv6 addresses of DNS servers.

  Problem is comes down to dns resolver (jabber in Kopete has its own
  for SRV records) and syscall recvfrom() (on IPv6 socket) always return
  error -EAGAIN without any data returned. But wireshark see that DNS
  response was recevied.

  So it looks like that after 3.13.0-68 kernel was included some change
  which broke receiving UDP packets via IPv6 socket. IPv4 is OK.

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