bionic/linux: 4.15.0-125.128 -proposed tracker

[Kelsey Steele]

This bug will contain status and test results related to a kernel source (or snap) as stated in the title.

For an explanation of the tasks and the associated workflow see:
  https://wiki.ubuntu.com/Kernel/kernel-sru-workflow

-- swm properties --
boot-testing-requested: true
bugs-spammed: true
packages:
  lrm: linux-restricted-modules
  main: linux
  meta: linux-meta
  signed: linux-signed
phase: Testing
phase-changed: Tuesday, 17. November 2020 10:03 UTC
proposed-announcement-sent: true
proposed-testing-requested: true
reason:
  certification-testing: Ongoing -- testing in progress
  kernel-signoff: Stalled -- waiting for signoff
  regression-testing: Ongoing -- testing in progress
  security-signoff: Stalled -- waiting for signoff
  verification-testing: Ongoing -- testing in progress
trackers:
  bionic/linux-aws: bug 1903118
  bionic/linux-azure-4.15: bug 1903123
  bionic/linux-dell300x: bug 1903110
  bionic/linux-fips: bug 1903134
  bionic/linux-gcp-4.15: bug 1903127
  bionic/linux-gke-4.15: bug 1903129
  bionic/linux-ibm-gt: bug 1903131
  bionic/linux-kvm: bug 1903130
  bionic/linux-oem: bug 1903115
  bionic/linux-oracle: bug 1903133
  bionic/linux-raspi2: bug 1903112
  bionic/linux-snapdragon: bug 1903114
  bionic/linux/pc-kernel: bug 1903108
  bionic/linux/pc-lowlatency-kernel: bug 1903109
  xenial/linux-hwe: bug 1903136
variant: debs
versions:
  lrm: 4.15.0-125.128
  main: 4.15.0-125.128
  meta: 4.15.0.125.112
  signed: 4.15.0-125.128

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 4.15.0-126.129

---------------
linux (4.15.0-126.129) bionic; urgency=medium

  * bionic/linux: 4.15.0-126.129 -proposed tracker (LP: #1905305)

  * CVE-2020-4788
    - SAUCE: powerpc/64s: Define MASKABLE_RELON_EXCEPTION_PSERIES_OOL
    - SAUCE: powerpc/64s: move some exception handlers out of line
    - powerpc/64s: flush L1D on kernel entry
    - SAUCE: powerpc: Add a framework for user access tracking
    - powerpc: Implement user_access_begin and friends
    - powerpc: Fix __clear_user() with KUAP enabled
    - powerpc/uaccess: Evaluate macro arguments once, before user access is
      allowed
    - powerpc/64s: flush L1D after user accesses

linux (4.15.0-125.128) bionic; urgency=medium

  * bionic/linux: 4.15.0-125.128 -proposed tracker (LP: #1903137)

  * Update kernel packaging to support forward porting kernels (LP: #1902957)
    - [Debian] Update for leader included in BACKPORT_SUFFIX

  * Avoid double newline when running insertchanges (LP: #1903293)
    - [Packaging] insertchanges: avoid double newline

  * EFI: Fails when BootCurrent entry does not exist (LP: #1899993)
    - efivarfs: Replace invalid slashes with exclamation marks in dentries.

  * CVE-2020-14351
    - perf/core: Fix race in the perf_mmap_close() function

  * raid10: Block discard is very slow, causing severe delays for mkfs and
    fstrim operations (LP: #1896578)
    - md: add md_submit_discard_bio() for submitting discard bio
    - md/raid10: extend r10bio devs to raid disks
    - md/raid10: pull codes that wait for blocked dev into one function
    - md/raid10: improve raid10 discard request
    - md/raid10: improve discard request for far layout

  * Bionic: btrfs: kernel BUG at /build/linux-
    eTBZpZ/linux-4.15.0/fs/btrfs/ctree.c:3233! (LP: #1902254)
    - btrfs: use offset_in_page instead of open-coding it
    - btrfs: use BUG() instead of BUG_ON(1)
    - btrfs: drop unnecessary offset_in_page in extent buffer helpers
    - btrfs: extent_io: do extra check for extent buffer read write functions
    - btrfs: extent-tree: kill BUG_ON() in __btrfs_free_extent()
    - btrfs: extent-tree: kill the BUG_ON() in insert_inline_extent_backref()
    - btrfs: ctree: check key order before merging tree blocks

  * Bionic update: upstream stable patchset 2020-11-04 (LP: #1902943)
    - USB: gadget: f_ncm: Fix NDP16 datagram validation
    - gpio: tc35894: fix up tc35894 interrupt configuration
    - vsock/virtio: use RCU to avoid use-after-free on the_virtio_vsock
    - vsock/virtio: stop workers during the .remove()
    - vsock/virtio: add transport parameter to the
      virtio_transport_reset_no_sock()
    - net: virtio_vsock: Enhance connection semantics
    - Input: i8042 - add nopnp quirk for Acer Aspire 5 A515
    - ftrace: Move RCU is watching check after recursion check
    - drm/amdgpu: restore proper ref count in amdgpu_display_crtc_set_config
    - drivers/net/wan/hdlc_fr: Add needed_headroom for PVC devices
    - drm/sun4i: mixer: Extend regmap max_register
    - net: dec: de2104x: Increase receive ring size for Tulip
    - rndis_host: increase sleep time in the query-response loop
    - nvme-core: get/put ctrl ...