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[Bug 1624037] Re: Xenial update to v4.4.21 stable release

 

** Changed in: linux (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1624037

Title:
  Xenial update to v4.4.21 stable release

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Xenial:
  Fix Released

Bug description:
  SRU Justification

      Impact:
         The upstream process for stable tree updates is quite similar
         in scope to the Ubuntu SRU process, e.g., each patch has to
         demonstrably fix a bug, and each patch is vetted by upstream
         by originating either directly from a mainline/stable Linux tree or
         a minimally backported form of that patch. The v4.4.21 upstream stable
         patch set is now available. It should be included in the Ubuntu
         kernel as well.

         git://git.kernel.org/

      TEST CASE: TBD

         The following patches from the v4.4.21 stable release shall be
  applied:

  Revert "i40e: fix: do not sleep in netdev_ops"
  fs: Check for invalid i_uid in may_follow_link()
  netfilter: x_tables: check for size overflow
  ext4: validate that metadata blocks do not overlap superblock
  ext4: fix xattr shifting when expanding inodes
  ext4: fix xattr shifting when expanding inodes part 2
  ext4: properly align shifted xattrs when expanding inodes
  ext4: avoid deadlock when expanding inode size
  ext4: avoid modifying checksum fields directly during checksum verification
  block: Fix race triggered by blk_set_queue_dying()
  block: make sure a big bio is split into at most 256 bvecs
  cgroup: reduce read locked section of cgroup_threadgroup_rwsem during fork
  s390/sclp_ctl: fix potential information leak with /dev/sclp
  drm/radeon: fix radeon_move_blit on 32bit systems
  drm: Reject page_flip for !DRIVER_MODESET
  drm/msm: fix use of copy_from_user() while holding spinlock
  ASoC: atmel_ssc_dai: Don't unconditionally reset SSC on stream startup
  xfs: fix superblock inprogress check
  timekeeping: Cap array access in timekeeping_debug
  timekeeping: Avoid taking lock in NMI path with CONFIG_DEBUG_TIMEKEEPING
  lustre: remove unused declaration
  wrappers for ->i_mutex access
  ovl: don't copy up opaqueness
  ovl: remove posix_acl_default from workdir
  ovl: listxattr: use strnlen()
  ovl: fix workdir creation
  ubifs: Fix assertion in layout_in_gaps()
  bcache: RESERVE_PRIO is too small by one when prio_buckets() is a power of two.
  vhost/scsi: fix reuse of &vq->iov[out] in response
  x86/apic: Do not init irq remapping if ioapic is disabled
  uprobes: Fix the memcg accounting
  crypto: caam - fix IV loading for authenc (giv)decryption
  ALSA: usb-audio: Add sample rate inquiry quirk for B850V3 CP2114
  ALSA: firewire-tascam: accessing to user space outside spinlock
  ALSA: fireworks: accessing to user space outside spinlock
  ALSA: rawmidi: Fix possible deadlock with virmidi registration
  ALSA: hda - Add headset mic quirk for Dell Inspiron 5468
  ALSA: hda - Enable subwoofer on Dell Inspiron 7559
  ALSA: timer: fix NULL pointer dereference in read()/ioctl() race
  ALSA: timer: fix division by zero after SNDRV_TIMER_IOCTL_CONTINUE
  ALSA: timer: fix NULL pointer dereference on memory allocation failure
  scsi: fix upper bounds check of sense key in scsi_sense_key_string()
  metag: Fix atomic_*_return inline asm constraints
  cpufreq: Fix GOV_LIMITS handling for the userspace governor
  hwrng: exynos - Disable runtime PM on probe failure
  regulator: anatop: allow regulator to be in bypass mode
  lib/mpi: mpi_write_sgl(): fix skipping of leading zero limbs
  Linux 4.4.21

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