Public bug reported:

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 following upstream
       stable patches should be included in the Ubuntu kernel:

       upstream stable patchset 2020-03-12

                Ported from the following upstream stable releases:
                                   v4.19.104,
                                   v4.19.105

       from git://git.kernel.org/

RDMA/core: Fix locking in ib_uverbs_event_read
gpio: zynq: Report gpio direction at boot
arm64: ptrace: nofpsimd: Fail FP/SIMD regset operations
KVM: arm: Fix DFSR setting for non-LPAE aarch32 guests
KVM: arm: Make inject_abt32() inject an external abort instead
mtd: onenand_base: Adjust indentation in onenand_read_ops_nolock
mtd: sharpslpart: Fix unsigned comparison to zero
padata: fix null pointer deref of pd->pinst
Input: synaptics - switch T470s to RMI4 by default
Input: synaptics - enable SMBus on ThinkPad L470
Input: synaptics - remove the LEN0049 dmi id from topbuttonpad list
ALSA: hda/realtek - Fix silent output on MSI-GL73
ALSA: usb-audio: Apply sample rate quirk for Audioengine D1
arm64: cpufeature: Set the FP/SIMD compat HWCAP bits properly
ALSA: usb-audio: sound: usb: usb true/false for bool return type
ext4: don't assume that mmp_nodename/bdevname have NUL
ext4: fix support for inode sizes > 1024 bytes
ext4: fix checksum errors with indexed dirs
ext4: add cond_resched() to ext4_protect_reserved_inode
ext4: improve explanation of a mount failure caused by a misconfigured kernel
Btrfs: fix race between using extent maps and merging them
btrfs: ref-verify: fix memory leaks
btrfs: print message when tree-log replay starts
btrfs: log message when rw remount is attempted with unclean tree-log
arm64: ssbs: Fix context-switch when SSBS is present on all CPUs
perf/x86/amd: Add missing L2 misses event spec to AMD Family 17h's event map
IB/hfi1: Close window for pq and request coliding
IB/rdmavt: Reset all QPs when the device is shut down
RDMA/rxe: Fix soft lockup problem due to using tasklets in softirq
RDMA/core: Fix protection fault in get_pkey_idx_qp_list
s390/time: Fix clk type in get_tod_clock
perf/x86/intel: Fix inaccurate period in context switch for auto-reload
hwmon: (pmbus/ltc2978) Fix PMBus polling of MFR_COMMON definitions.
jbd2: move the clearing of b_modified flag to the journal_unmap_buffer()
jbd2: do not clear the BH_Mapped flag when forgetting a metadata buffer
KVM: x86/mmu: Fix struct guest_walker arrays for 5-level paging
UBUNTU: upstream stable to v4.19.105

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed

** Affects: linux (Ubuntu Bionic)
     Importance: Undecided
     Assignee: Kamal Mostafa (kamalmostafa)
         Status: In Progress


** Tags: kernel-stable-tracking-bug

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

** Tags added: kernel-stable-tracking-bug

** Also affects: linux (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Bionic)
       Status: New => In Progress

** Changed in: linux (Ubuntu Bionic)
     Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)

** Description changed:

+ SRU Justification
  
-     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 following upstream
+        stable patches should be included in the Ubuntu kernel:
  
-     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 following upstream
-        stable patches should be included in the Ubuntu kernel:
+        upstream stable patchset 2020-03-12
  
-        upstream stable patchset 2020-03-12
-        from git://git.kernel.org/
+                 Ported from the following upstream stable releases:
+                                    v4.19.104,
+                                    v4.19.105,
+ 
+        from git://git.kernel.org/
+ 
+ RDMA/core: Fix locking in ib_uverbs_event_read
+ gpio: zynq: Report gpio direction at boot
+ arm64: ptrace: nofpsimd: Fail FP/SIMD regset operations
+ KVM: arm: Fix DFSR setting for non-LPAE aarch32 guests
+ KVM: arm: Make inject_abt32() inject an external abort instead
+ mtd: onenand_base: Adjust indentation in onenand_read_ops_nolock
+ mtd: sharpslpart: Fix unsigned comparison to zero
+ padata: fix null pointer deref of pd->pinst
+ Input: synaptics - switch T470s to RMI4 by default
+ Input: synaptics - enable SMBus on ThinkPad L470
+ Input: synaptics - remove the LEN0049 dmi id from topbuttonpad list
+ ALSA: hda/realtek - Fix silent output on MSI-GL73
+ ALSA: usb-audio: Apply sample rate quirk for Audioengine D1
+ arm64: cpufeature: Set the FP/SIMD compat HWCAP bits properly
+ ALSA: usb-audio: sound: usb: usb true/false for bool return type
+ ext4: don't assume that mmp_nodename/bdevname have NUL
+ ext4: fix support for inode sizes > 1024 bytes
+ ext4: fix checksum errors with indexed dirs
+ ext4: add cond_resched() to ext4_protect_reserved_inode
+ ext4: improve explanation of a mount failure caused by a misconfigured kernel
+ Btrfs: fix race between using extent maps and merging them
+ btrfs: ref-verify: fix memory leaks
+ btrfs: print message when tree-log replay starts
+ btrfs: log message when rw remount is attempted with unclean tree-log
+ arm64: ssbs: Fix context-switch when SSBS is present on all CPUs
+ perf/x86/amd: Add missing L2 misses event spec to AMD Family 17h's event map
+ IB/hfi1: Close window for pq and request coliding
+ IB/rdmavt: Reset all QPs when the device is shut down
+ RDMA/rxe: Fix soft lockup problem due to using tasklets in softirq
+ RDMA/core: Fix protection fault in get_pkey_idx_qp_list
+ s390/time: Fix clk type in get_tod_clock
+ perf/x86/intel: Fix inaccurate period in context switch for auto-reload
+ hwmon: (pmbus/ltc2978) Fix PMBus polling of MFR_COMMON definitions.
+ jbd2: move the clearing of b_modified flag to the journal_unmap_buffer()
+ jbd2: do not clear the BH_Mapped flag when forgetting a metadata buffer
+ KVM: x86/mmu: Fix struct guest_walker arrays for 5-level paging
+ UBUNTU: upstream stable to v4.19.105

** Description changed:

  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 following upstream
         stable patches should be included in the Ubuntu kernel:
  
         upstream stable patchset 2020-03-12
  
-                 Ported from the following upstream stable releases:
-                                    v4.19.104,
-                                    v4.19.105,
+                 Ported from the following upstream stable releases:
+                                    v4.19.104,
+                                    v4.19.105
  
         from git://git.kernel.org/
  
  RDMA/core: Fix locking in ib_uverbs_event_read
  gpio: zynq: Report gpio direction at boot
  arm64: ptrace: nofpsimd: Fail FP/SIMD regset operations
  KVM: arm: Fix DFSR setting for non-LPAE aarch32 guests
  KVM: arm: Make inject_abt32() inject an external abort instead
  mtd: onenand_base: Adjust indentation in onenand_read_ops_nolock
  mtd: sharpslpart: Fix unsigned comparison to zero
  padata: fix null pointer deref of pd->pinst
  Input: synaptics - switch T470s to RMI4 by default
  Input: synaptics - enable SMBus on ThinkPad L470
  Input: synaptics - remove the LEN0049 dmi id from topbuttonpad list
  ALSA: hda/realtek - Fix silent output on MSI-GL73
  ALSA: usb-audio: Apply sample rate quirk for Audioengine D1
  arm64: cpufeature: Set the FP/SIMD compat HWCAP bits properly
  ALSA: usb-audio: sound: usb: usb true/false for bool return type
  ext4: don't assume that mmp_nodename/bdevname have NUL
  ext4: fix support for inode sizes > 1024 bytes
  ext4: fix checksum errors with indexed dirs
  ext4: add cond_resched() to ext4_protect_reserved_inode
  ext4: improve explanation of a mount failure caused by a misconfigured kernel
  Btrfs: fix race between using extent maps and merging them
  btrfs: ref-verify: fix memory leaks
  btrfs: print message when tree-log replay starts
  btrfs: log message when rw remount is attempted with unclean tree-log
  arm64: ssbs: Fix context-switch when SSBS is present on all CPUs
  perf/x86/amd: Add missing L2 misses event spec to AMD Family 17h's event map
  IB/hfi1: Close window for pq and request coliding
  IB/rdmavt: Reset all QPs when the device is shut down
  RDMA/rxe: Fix soft lockup problem due to using tasklets in softirq
  RDMA/core: Fix protection fault in get_pkey_idx_qp_list
  s390/time: Fix clk type in get_tod_clock
  perf/x86/intel: Fix inaccurate period in context switch for auto-reload
  hwmon: (pmbus/ltc2978) Fix PMBus polling of MFR_COMMON definitions.
  jbd2: move the clearing of b_modified flag to the journal_unmap_buffer()
  jbd2: do not clear the BH_Mapped flag when forgetting a metadata buffer
  KVM: x86/mmu: Fix struct guest_walker arrays for 5-level paging
  UBUNTU: upstream stable to v4.19.105

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https://bugs.launchpad.net/bugs/1867194

Title:
  Bionic update: upstream stable patchset 2020-03-12

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Bionic:
  In Progress

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 following upstream
         stable patches should be included in the Ubuntu kernel:

         upstream stable patchset 2020-03-12

                  Ported from the following upstream stable releases:
                                     v4.19.104,
                                     v4.19.105

         from git://git.kernel.org/

  RDMA/core: Fix locking in ib_uverbs_event_read
  gpio: zynq: Report gpio direction at boot
  arm64: ptrace: nofpsimd: Fail FP/SIMD regset operations
  KVM: arm: Fix DFSR setting for non-LPAE aarch32 guests
  KVM: arm: Make inject_abt32() inject an external abort instead
  mtd: onenand_base: Adjust indentation in onenand_read_ops_nolock
  mtd: sharpslpart: Fix unsigned comparison to zero
  padata: fix null pointer deref of pd->pinst
  Input: synaptics - switch T470s to RMI4 by default
  Input: synaptics - enable SMBus on ThinkPad L470
  Input: synaptics - remove the LEN0049 dmi id from topbuttonpad list
  ALSA: hda/realtek - Fix silent output on MSI-GL73
  ALSA: usb-audio: Apply sample rate quirk for Audioengine D1
  arm64: cpufeature: Set the FP/SIMD compat HWCAP bits properly
  ALSA: usb-audio: sound: usb: usb true/false for bool return type
  ext4: don't assume that mmp_nodename/bdevname have NUL
  ext4: fix support for inode sizes > 1024 bytes
  ext4: fix checksum errors with indexed dirs
  ext4: add cond_resched() to ext4_protect_reserved_inode
  ext4: improve explanation of a mount failure caused by a misconfigured kernel
  Btrfs: fix race between using extent maps and merging them
  btrfs: ref-verify: fix memory leaks
  btrfs: print message when tree-log replay starts
  btrfs: log message when rw remount is attempted with unclean tree-log
  arm64: ssbs: Fix context-switch when SSBS is present on all CPUs
  perf/x86/amd: Add missing L2 misses event spec to AMD Family 17h's event map
  IB/hfi1: Close window for pq and request coliding
  IB/rdmavt: Reset all QPs when the device is shut down
  RDMA/rxe: Fix soft lockup problem due to using tasklets in softirq
  RDMA/core: Fix protection fault in get_pkey_idx_qp_list
  s390/time: Fix clk type in get_tod_clock
  perf/x86/intel: Fix inaccurate period in context switch for auto-reload
  hwmon: (pmbus/ltc2978) Fix PMBus polling of MFR_COMMON definitions.
  jbd2: move the clearing of b_modified flag to the journal_unmap_buffer()
  jbd2: do not clear the BH_Mapped flag when forgetting a metadata buffer
  KVM: x86/mmu: Fix struct guest_walker arrays for 5-level paging
  UBUNTU: upstream stable to v4.19.105

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