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[Launchpad Bug Tracker <1522766@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.19.0-41.46

---------------
linux (3.19.0-41.46) vivid; urgency=low

  [ Luis Henriques ]

  * Release Tracking Bug
    - LP: #1522918

  [ Upstream Kernel Changes ]

  * Revert "dm: fix AB-BA deadlock in __dm_destroy()"
    - LP: #1522766
  * dm: fix AB-BA deadlock in __dm_destroy()
    - LP: #1522766

linux (3.19.0-40.45) vivid; urgency=low

  [ Luis Henriques ]

  * Release Tracking Bug
    - LP: #1522786

  [ Andy Whitcroft ]

  * [Packaging] control -- prepare for new kernel-wedge semantics
    - LP: #1516686
  * [Debian] rebuild should only trigger for non-linux packages
    - LP: #1498862, #1516686
  * [Tests] gcc-multilib does not exist on ppc64el
    - LP: #1515541

  [ Joseph Salisbury ]

  * SAUCE: scsi_sysfs: protect against double execution of
    __scsi_remove_device()
    - LP: #1509029

  [ Luis Henriques ]

  * [Config] updateconfigs after 3.19.8-ckt10 stable update

  [ Upstream Kernel Changes ]

  * Revert "ARM64: unwind: Fix PC calculation"
    - LP: #1520309
  * Revert "md: allow a partially recovered device to be hot-added to an
    array."
    - LP: #1520309
  * tty: fix stall caused by missing memory barrier in drivers/tty/n_tty.c
    - LP: #1512815
  * HID: rmi: Print the firmware id of the touchpad
    - LP: #1515503
  * HID: rmi: Add functions for writing to registers
    - LP: #1515503
  * HID: rmi: Disable scanning if the device is not a wake source
    - LP: #1515503
  * HID: rmi: Set F01 interrupt enable register when not set
    - LP: #1515503
  * be2net: log link status
    - LP: #1513980
  * xhci: Workaround to get Intel xHCI reset working more reliably
  * Drivers: hv: hv_balloon: refuse to balloon below the floor
    - LP: #1294283
  * Drivers: hv: hv_balloon: survive ballooning request with num_pages=0
    - LP: #1294283
  * Drivers: hv: hv_balloon: correctly handle val.freeram<num_pages case
    - LP: #1294283
  * Drivers: hv: hv_balloon: correctly handle num_pages>INT_MAX case
    - LP: #1294283
  * Drivers: hv: balloon: check if ha_region_mutex was acquired in
    MEM_CANCEL_ONLINE case
    - LP: #1294283
  * mm: meminit: make __early_pfn_to_nid SMP-safe and introduce
    meminit_pfn_in_nid
    - LP: #1294283
  * mm: meminit: inline some helper functions
    - LP: #1294283
  * mm, meminit: allow early_pfn_to_nid to be used during runtime
    - LP: #1294283
  * mm: initialize hotplugged pages as reserved
    - LP: #1294283
  * gut proc_register() a bit
    - LP: #1519106
  * arm: factor out mmap ASLR into mmap_rnd
    - LP: #1518483
  * x86: standardize mmap_rnd() usage
    - LP: #1518483
  * arm64: standardize mmap_rnd() usage
    - LP: #1518483
  * mips: extract logic for mmap_rnd()
    - LP: #1518483
  * powerpc: standardize mmap_rnd() usage
    - LP: #1518483
  * s390: standardize mmap_rnd() usage
    - LP: #1518483
  * mm: expose arch_mmap_rnd when available
    - LP: #1518483
  * s390: redefine randomize_et_dyn for ELF_ET_DYN_BASE
    - LP: #1518483
  * mm: split ET_DYN ASLR from mmap ASLR
    - LP: #1518483
  * mm: fold arch_randomize_brk into ARCH_HAS_ELF_RANDOMIZE
    - LP: #1518483
  * isdn_ppp: Add checks for allocation failure in isdn_ppp_open()
    - LP: #1520309
  * ppp, slip: Validate VJ compression slot parameters completely
    - LP: #1520309
  * [media] media/vivid-osd: fix info leak in ioctl
    - LP: #1520309
  * staging/dgnc: fix info leak in ioctl
    - LP: #1520309
  * tools lib traceevent: Fix string handling in heterogeneous arch
    environments
    - LP: #1520309
  * perf tools: Fix copying of /proc/kcore
    - LP: #1520309
  * m68k: Define asmlinkage_protect
    - LP: #1520309
  * UBI: Validate data_size
    - LP: #1520309
  * UBI: return ENOSPC if no enough space available
    - LP: #1520309
  * drm/radeon: Restore LCD backlight level on resume (>= R5xx)
    - LP: #1520309
  * drm/radeon: move bl encoder assignment into bl init
    - LP: #1520309
  * drm/radeon: fix dpms when driver backlight control is disabled
    - LP: #1520309
  * MIPS: dma-default: Fix 32-bit fall back to GFP_DMA
    - LP: #1520309
  * MIPS: CPS: Stop dangling delay slot from has_mt.
    - LP: #1520309
  * MIPS: CPS: Don't include MT code in non-MT kernels.
    - LP: #1520309
  * MIPS: CPS: #ifdef on CONFIG_MIPS_MT_SMP rather than CONFIG_MIPS_MT
    - LP: #1520309
  * x86/asm/entry: Create and use a 'TOP_OF_KERNEL_STACK_PADDING' macro
    - LP: #1520309
  * x86/process: Add proper bound checks in 64bit get_wchan()
    - LP: #1520309
  * drm/qxl: recreate the primary surface when the bo is not primary
    - LP: #1520309
  * genirq: Fix race in register_irq_proc()
    - LP: #1520309
  * x86/efi: Fix boot crash by mapping EFI memmap entries bottom-up at
    runtime, instead of top-down
    - LP: #1520309
  * KVM: nSVM: Check for NRIPS support before updating control field
    - LP: #1520309
  * Use WARN_ON_ONCE for missing X86_FEATURE_NRIPS
    - LP: #1520309
  * mm: hugetlbfs: skip shared VMAs when unmapping private pages to satisfy
    a fault
    - LP: #1520309
  * drm/dp/mst: fixup handling hotplug on port removal.
    - LP: #1520309
  * drm/dp/mst: drop cancel work sync in the mstb destroy path (v2)
    - LP: #1520309
  * x86/kexec: Fix kexec crash in syscall kexec_file_load()
    - LP: #1520309
  * x86/mm: Set NX on gap between __ex_table and rodata
    - LP: #1520309
  * md/raid0: update queue parameter in a safer location.
    - LP: #1520309
  * md/raid0: apply base queue limits *before* disk_stack_limits
    - LP: #1520309
  * arm64: ftrace: fix function_graph tracer panic
    - LP: #1520309
  * clocksource: Fix abs() usage w/ 64bit values
    - LP: #1520309
  * dmaengine: dw: properly read DWC_PARAMS register
    - LP: #1520309
  * mm/slab: fix unexpected index mapping result of
    kmalloc_size(INDEX_NODE+1)
    - LP: #1520309
  * regmap: debugfs: Ensure we don't underflow when printing access masks
    - LP: #1520309
  * regmap: debugfs: Don't bother actually printing when calculating max
    length
    - LP: #1520309
  * mtd: nand: sunxi: fix OOB handling in ->write_xxx() functions
    - LP: #1520309
  * mtd: nand: sunxi: fix sunxi_nand_chips_cleanup()
    - LP: #1520309
  * ARM: dts: fix usb pin control for imx-rex dts
    - LP: #1520309
  * ASoC: db1200: Fix DAI link format for db1300 and db1550
    - LP: #1520309
  * x86/xen: Support kexec/kdump in HVM guests by doing a soft reset
    - LP: #1520309
  * x86/xen: Do not clip xen_e820_map to xen_e820_map_entries when
    sanitizing map
    - LP: #1520309
  * s390/boot/decompression: disable floating point in decompressor
    - LP: #1520309
  * svcrdma: handle rdma read with a non-zero initial page offset
    - LP: #1520309
  * ASoC: sgtl5000: fix wrong register MIC_BIAS_VOLTAGE setup on probe
    - LP: #1520309
  * dm: fix AB-BA deadlock in __dm_destroy()
    - LP: #1520309
  * [SMB3] Do not fall back to SMBWriteX in set_file_size error cases
    - LP: #1520309
  * clk: ti: fix dual-registration of uart4_ick
    - LP: #1520309
  * ASoC: dwc: correct irq clear method
    - LP: #1520309
  * dm raid: fix round up of default region size
    - LP: #1520309
  * ALSA: hda: Add dock support for ThinkPad T550
    - LP: #1520309
  * ALSA: hda - Apply SPDIF pin ctl to MacBookPro 12,1
    - LP: #1520309
  * USB: Add reset-resume quirk for two Plantronics usb headphones.
    - LP: #1520309
  * usb: Add device quirk for Logitech PTZ cameras
    - LP: #1520309
  * serial: 8250: add uart_config entry for PORT_RT2880
    - LP: #1520309
  * drivers/tty: require read access for controlling terminal
    - LP: #1520309
  * staging: speakup: fix speakup-r regression
    - LP: #1520309
  * ALSA: synth: Fix conflicting OSS device registration on AWE32
    - LP: #1520309
  * arm64: readahead: fault retry breaks mmap file read random detection
    - LP: #1520309
  * ASoC: tas2552: Correct the Speaker Driver Playback Volume (PGA_GAIN)
    - LP: #1520309
  * ASoC: tas2552: fix dBscale-min declaration
    - LP: #1520309
  * sched/core: Fix TASK_DEAD race in finish_task_switch()
    - LP: #1520309
  * dm cache: fix NULL pointer when switching from cleaner policy
    - LP: #1520309
  * 3w-9xxx: don't unmap bounce buffered commands
    - LP: #1520309
  * workqueue: make sure delayed work run in local cpu
    - LP: #1520309
  * drm/radeon: add pm sysfs files late
    - LP: #1520309
  * cxl: Fix number of allocated pages in SPA
    - LP: #1520309
  * crypto: sparc - initialize blkcipher.ivsize
    - LP: #1520309
  * drm: Fix locking for sysfs dpms file
    - LP: #1520309
  * drm/nouveau/fbcon: take runpm reference when userspace has an open fd
    - LP: #1520309
  * crypto: ahash - ensure statesize is non-zero
    - LP: #1520309
  * dm thin: fix missing pool reference count decrement in pool_ctr error
    path
    - LP: #1520309
  * btrfs: check unsupported filters in balance arguments
    - LP: #1520309
  * btrfs: fix use after free iterating extrefs
    - LP: #1520309
  * drm/dp/mst: make mst i2c transfer code more robust.
    - LP: #1520309
  * i2c: rcar: enable RuntimePM before registering to the core
    - LP: #1520309
  * i2c: s3c2410: enable RuntimePM before registering to the core
    - LP: #1520309
  * i2c: designware-platdrv: enable RuntimePM before registering to the
    core
    - LP: #1520309
  * memcg: convert threshold to bytes
    - LP: #1520309
  * i2c: designware: Do not use parameters from ACPI on Dell Inspiron 7348
    - LP: #1520309
  * pinctrl: imx25: ensure that a pin with id i is at position i in the
    info array
    - LP: #1520309
  * l2tp: protect tunnel->del_work by ref_count
    - LP: #1520309
  * af_unix: Convert the unix_sk macro to an inline function for type
    safety
    - LP: #1520309
  * af_unix: return data from multiple SKBs on recv() with MSG_PEEK flag
    - LP: #1520309
  * net/unix: fix logic about sk_peek_offset
    - LP: #1520309
  * skbuff: Fix skb checksum flag on skb pull
    - LP: #1520309
  * skbuff: Fix skb checksum partial check.
    - LP: #1520309
  * net: add pfmemalloc check in sk_add_backlog()
    - LP: #1520309
  * ppp: don't override sk->sk_state in pppoe_flush_dev()
    - LP: #1520309
  * ovs: do not allocate memory from offline numa node
    - LP: #1520309
  * ethtool: Use kcalloc instead of kmalloc for ethtool_get_strings
    - LP: #1520309
  * netlink: Trim skb to alloc size to avoid MSG_TRUNC
    - LP: #1520309
  * ath9k: declare required extra tx headroom
    - LP: #1520309
  * iio: accel: sca3000: memory corruption in sca3000_read_first_n_hw_rb()
    - LP: #1520309
  * iwlwifi: dvm: fix D3 firmware PN programming
    - LP: #1520309
  * iwlwifi: mvm: fix D3 firmware PN programming
    - LP: #1520309
  * iwlwifi: mvm: clear csa countdown when AP is stopped
    - LP: #1520309
  * iwlwifi: fix firmware filename for 3160
    - LP: #1520309
  * iwlwifi: mvm: init card correctly on ctkill exit check
    - LP: #1520309
  * ARM: orion: Fix DSA platform device after mvmdio conversion
    - LP: #1520309
  * xen-blkfront: check for null drvdata in blkback_changed
    (XenbusStateClosing)
    - LP: #1520309
  * iio: mxs-lradc: Fix temperature offset
    - LP: #1520309
  * ARM: dts: Fix audio card detection on Peach boards
    - LP: #1520309
  * ALSA: hda - Fix inverted internal mic on Lenovo G50-80
    - LP: #1504778, #1520309
  * drm/i915: Flush pipecontrol post-sync writes
    - LP: #1520309
  * drm/i915: Restore lost DPLL register write on gen2-4
    - LP: #1520309
  * drm/i915: Deny wrapping an userptr into a framebuffer
    - LP: #1520309
  * iommu/vt-d: fix range computation when making room for large pages
    - LP: #1520309
  * x86/efi: Fix multiple GOP device support
    - LP: #1520309
  * ASoC: Add info callback for SX_TLV controls
    - LP: #1520309
  * xhci: don't finish a TD if we get a short transfer event mid TD
    - LP: #1520309
  * xhci: handle no ping response error properly
    - LP: #1520309
  * xhci: Add spurious wakeup quirk for LynxPoint-LP controllers
    - LP: #1520309
  * ASoC: wm8904: Correct number of EQ registers
    - LP: #1520309
  * drm: fix mutex leak in drm_dp_get_mst_branch_device
    - LP: #1520309
  * drm/nouveau/gem: return only valid domain when there's only one
    - LP: #1520309
  * powerpc/rtas: Validate rtas.entry before calling enter_rtas()
    - LP: #1520309
  * [media] si2168: Bounds check firmware
    - LP: #1520309
  * mm: make sendfile(2) killable
    - LP: #1520309
  * fault-inject: fix inverted interval/probability values in printk
    - LP: #1520309
  * rbd: fix double free on rbd_dev->header_name
    - LP: #1520309
  * rbd: don't leak parent_spec in rbd_dev_probe_parent()
    - LP: #1520309
  * rbd: prevent kernel stack blow up on rbd map
    - LP: #1520309
  * dm btree remove: fix a bug when rebalancing nodes after removal
    - LP: #1520309
  * dm btree: fix leak of bufio-backed block in btree_split_beneath error
    path
    - LP: #1520309
  * bpf: fix panic in SO_GET_FILTER with native ebpf programs
    - LP: #1520309
  * ARM: dts: am57xx-beagle-x15: set VDD_SD to always-on
    - LP: #1520309
  * IB/cm: Fix rb-tree duplicate free and use-after-free
    - LP: #1520309
  * module: Fix locking in symbol_put_addr()
    - LP: #1520309
  * PCI: Prevent out of bounds access in numa_node override
    - LP: #1520309
  * ovl: use O_LARGEFILE in ovl_copy_up()
    - LP: #1520309
  * ovl: fix dentry reference leak
    - LP: #1520309
  * crypto: api - Only abort operations on fatal signal
    - LP: #1520309
  * md/raid1: submit_bio_wait() returns 0 on success
    - LP: #1520309
  * md/raid10: submit_bio_wait() returns 0 on success
    - LP: #1520309
  * iommu/amd: Don't clear DTE flags when modifying it
    - LP: #1520309
  * i2c: mv64xxx: really allow I2C offloading
    - LP: #1520309
  * drm/radeon: don't try to recreate sysfs entries on resume
    - LP: #1520309
  * mvsas: Fix NULL pointer dereference in mvs_slot_task_free
    - LP: #1520309
  * arm64: compat: fix stxr failure case in SWP emulation
    - LP: #1520309
  * rbd: require stable pages if message data CRCs are enabled
    - LP: #1520309
  * md/raid5: fix locking in handle_stripe_clean_event()
    - LP: #1520309
  * net/mlx4: Copy/set only sizeof struct mlx4_eqe bytes
    - LP: #1520309
  * ipv6: Fix IPsec pre-encap fragmentation check
    - LP: #1520309
  * ipv6: gre: support SIT encapsulation
    - LP: #1520309
  * ppp: fix pppoe_dev deletion condition in pppoe_release()
    - LP: #1520309
  * Linux 3.19.8-ckt10
    - LP: #1520309
  * megaraid_sas: Do not use PAGE_SIZE for max_sectors
    - LP: #1475166
  * KVM: svm: unconditionally intercept #DB
    - LP: #1520184
    - CVE-2015-8104

 -- Luis Henriques <luis.henriques@xxxxxxxxxxxxx>  Fri, 04 Dec 2015
17:31:09 +0000

** Changed in: linux (Ubuntu Vivid)
       Status: Fix Committed => Fix Released

-- 
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https://bugs.launchpad.net/bugs/1522766

Title:
  cryptsetup hangs after kernel upgrade to 3.13.0-72.115

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Trusty:
  Fix Released
Status in linux source package in Vivid:
  Fix Released

Bug description:
  After upgrading to the proposed kernel for Trusty (3.13.0-72.115) I
  cannot unlock a luks formatted usb drive. The cryptsetup process seems
  to hang with the following stack:

  [<ffffffff810c71be>] __synchronize_srcu+0xfe/0x180
  [<ffffffff810c725d>] synchronize_srcu+0x1d/0x20
  [<ffffffff815beed7>] __dm_destroy+0x117/0x290
  [<ffffffff815bfd83>] dm_destroy+0x13/0x20
  [<ffffffff815c570e>] dev_remove+0xde/0x120
  [<ffffffff815c5dd5>] ctl_ioctl+0x255/0x500
  [<ffffffff815c6093>] dm_ctl_ioctl+0x13/0x20
  [<ffffffff811d1750>] do_vfs_ioctl+0x2e0/0x4c0
  [<ffffffff811d19b1>] SyS_ioctl+0x81/0xa0
  [<ffffffff817356dd>] system_call_fastpath+0x1a/0x1f
  [<ffffffffffffffff>] 0xffffffffffffffff

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