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 2020-03-31

                Ported from the following upstream stable releases:
                        v4.19.112, v5.4.27

       from git://git.kernel.org/

ACPI: watchdog: Allow disabling WDAT at boot
HID: apple: Add support for recent firmware on Magic Keyboards
HID: i2c-hid: add Trekstor Surfbook E11B to descriptor override
cfg80211: check reg_rule for NULL in handle_channel_custom()
scsi: libfc: free response frame from GPN_ID
net: usb: qmi_wwan: restore mtu min/max values after raw_ip switch
net: ks8851-ml: Fix IRQ handling and locking
mac80211: rx: avoid RCU list traversal under mutex
signal: avoid double atomic counter increments for user accounting
slip: not call free_netdev before rtnl_unlock in slip_open
hinic: fix a irq affinity bug
hinic: fix a bug of setting hw_ioctxt
net: rmnet: fix NULL pointer dereference in rmnet_newlink()
net: rmnet: fix NULL pointer dereference in rmnet_changelink()
net: rmnet: fix suspicious RCU usage
net: rmnet: remove rcu_read_lock in rmnet_force_unassociate_device()
net: rmnet: do not allow to change mux id if mux id is duplicated
net: rmnet: use upper/lower device infrastructure
net: rmnet: fix bridge mode bugs
net: rmnet: fix packet forwarding in rmnet bridge mode
sfc: fix timestamp reconstruction at 16-bit rollover points
jbd2: fix data races at struct journal_head
driver core: Remove device link creation limitation
driver core: Fix creation of device links with PM-runtime flags
net: qrtr: fix len of skb_put_padto in qrtr_node_enqueue
ARM: 8957/1: VDSO: Match ARMv8 timer in cntvct_functional()
ARM: 8958/1: rename missed uaccess .fixup section
mm: slub: add missing TID bump in kmem_cache_alloc_bulk()
HID: google: add moonball USB id
ipv4: ensure rcu_read_lock() in cipso_v4_error()
netfilter: hashlimit: do not use indirect calls during gc
netfilter: xt_hashlimit: unregister proc file before releasing mutex
ACPI: watchdog: Set default timeout in probe
HID: hid-bigbenff: fix general protection fault caused by double kfree
HID: hid-bigbenff: call hid_hw_stop() in case of error
HID: hid-bigbenff: fix race condition for scheduled work during removal
selftests/rseq: Fix out-of-tree compilation
net: ll_temac: Fix race condition causing TX hang
net: ll_temac: Add more error handling of dma_map_single() calls
net: ll_temac: Fix RX buffer descriptor handling on GFP_ATOMIC pressure
net: ll_temac: Handle DMA halt condition caused by buffer underrun
blk-mq: insert passthrough request into hctx->dispatch directly
drm/amdgpu: fix memory leak during TDR test(v2)
kbuild: add dtbs_check to PHONY
kbuild: add dt_binding_check to PHONY in a correct place
net: phy: mscc: fix firmware paths
hinic: fix a bug of rss configuration
blk-mq: insert flush request to the front of dispatch queue
HID: add ALWAYS_POLL quirk to lenovo pixart mouse
ARM: 8961/2: Fix Kbuild issue caused by per-task stack protector GCC plugin
UBUNTU: upstream stable to v4.19.112, v5.4.27

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

** Affects: linux (Ubuntu Eoan)
     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 Eoan)
   Importance: Undecided
       Status: New

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

** Changed in: linux (Ubuntu Eoan)
     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 2020-03-31
  
-        upstream stable patchset 2020-03-31
-        from git://git.kernel.org/
+                 Ported from the following upstream stable releases:
+                         v4.19.112, v5.4.27
+ 
+        from git://git.kernel.org/

** 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 2020-03-31
  
-                 Ported from the following upstream stable releases:
-                         v4.19.112, v5.4.27
+                 Ported from the following upstream stable releases:
+                         v4.19.112, v5.4.27
  
         from git://git.kernel.org/
+ 
+ ACPI: watchdog: Allow disabling WDAT at boot
+ HID: apple: Add support for recent firmware on Magic Keyboards
+ HID: i2c-hid: add Trekstor Surfbook E11B to descriptor override
+ cfg80211: check reg_rule for NULL in handle_channel_custom()
+ scsi: libfc: free response frame from GPN_ID
+ net: usb: qmi_wwan: restore mtu min/max values after raw_ip switch
+ net: ks8851-ml: Fix IRQ handling and locking
+ mac80211: rx: avoid RCU list traversal under mutex
+ signal: avoid double atomic counter increments for user accounting
+ slip: not call free_netdev before rtnl_unlock in slip_open
+ hinic: fix a irq affinity bug
+ hinic: fix a bug of setting hw_ioctxt
+ net: rmnet: fix NULL pointer dereference in rmnet_newlink()
+ net: rmnet: fix NULL pointer dereference in rmnet_changelink()
+ net: rmnet: fix suspicious RCU usage
+ net: rmnet: remove rcu_read_lock in rmnet_force_unassociate_device()
+ net: rmnet: do not allow to change mux id if mux id is duplicated
+ net: rmnet: use upper/lower device infrastructure
+ net: rmnet: fix bridge mode bugs
+ net: rmnet: fix packet forwarding in rmnet bridge mode
+ sfc: fix timestamp reconstruction at 16-bit rollover points
+ jbd2: fix data races at struct journal_head
+ driver core: Remove device link creation limitation
+ driver core: Fix creation of device links with PM-runtime flags
+ net: qrtr: fix len of skb_put_padto in qrtr_node_enqueue
+ ARM: 8957/1: VDSO: Match ARMv8 timer in cntvct_functional()
+ ARM: 8958/1: rename missed uaccess .fixup section
+ mm: slub: add missing TID bump in kmem_cache_alloc_bulk()
+ HID: google: add moonball USB id
+ ipv4: ensure rcu_read_lock() in cipso_v4_error()
+ netfilter: hashlimit: do not use indirect calls during gc
+ netfilter: xt_hashlimit: unregister proc file before releasing mutex
+ ACPI: watchdog: Set default timeout in probe
+ HID: hid-bigbenff: fix general protection fault caused by double kfree
+ HID: hid-bigbenff: call hid_hw_stop() in case of error
+ HID: hid-bigbenff: fix race condition for scheduled work during removal
+ selftests/rseq: Fix out-of-tree compilation
+ net: ll_temac: Fix race condition causing TX hang
+ net: ll_temac: Add more error handling of dma_map_single() calls
+ net: ll_temac: Fix RX buffer descriptor handling on GFP_ATOMIC pressure
+ net: ll_temac: Handle DMA halt condition caused by buffer underrun
+ blk-mq: insert passthrough request into hctx->dispatch directly
+ drm/amdgpu: fix memory leak during TDR test(v2)
+ kbuild: add dtbs_check to PHONY
+ kbuild: add dt_binding_check to PHONY in a correct place
+ net: phy: mscc: fix firmware paths
+ hinic: fix a bug of rss configuration
+ blk-mq: insert flush request to the front of dispatch queue
+ HID: add ALWAYS_POLL quirk to lenovo pixart mouse
+ ARM: 8961/2: Fix Kbuild issue caused by per-task stack protector GCC plugin
+ UBUNTU: upstream stable to v4.19.112, v5.4.27

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https://bugs.launchpad.net/bugs/1869908

Title:
  Eoan update: upstream stable patchset 2020-03-31

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Eoan:
  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 2020-03-31

                  Ported from the following upstream stable releases:
                          v4.19.112, v5.4.27

         from git://git.kernel.org/

  ACPI: watchdog: Allow disabling WDAT at boot
  HID: apple: Add support for recent firmware on Magic Keyboards
  HID: i2c-hid: add Trekstor Surfbook E11B to descriptor override
  cfg80211: check reg_rule for NULL in handle_channel_custom()
  scsi: libfc: free response frame from GPN_ID
  net: usb: qmi_wwan: restore mtu min/max values after raw_ip switch
  net: ks8851-ml: Fix IRQ handling and locking
  mac80211: rx: avoid RCU list traversal under mutex
  signal: avoid double atomic counter increments for user accounting
  slip: not call free_netdev before rtnl_unlock in slip_open
  hinic: fix a irq affinity bug
  hinic: fix a bug of setting hw_ioctxt
  net: rmnet: fix NULL pointer dereference in rmnet_newlink()
  net: rmnet: fix NULL pointer dereference in rmnet_changelink()
  net: rmnet: fix suspicious RCU usage
  net: rmnet: remove rcu_read_lock in rmnet_force_unassociate_device()
  net: rmnet: do not allow to change mux id if mux id is duplicated
  net: rmnet: use upper/lower device infrastructure
  net: rmnet: fix bridge mode bugs
  net: rmnet: fix packet forwarding in rmnet bridge mode
  sfc: fix timestamp reconstruction at 16-bit rollover points
  jbd2: fix data races at struct journal_head
  driver core: Remove device link creation limitation
  driver core: Fix creation of device links with PM-runtime flags
  net: qrtr: fix len of skb_put_padto in qrtr_node_enqueue
  ARM: 8957/1: VDSO: Match ARMv8 timer in cntvct_functional()
  ARM: 8958/1: rename missed uaccess .fixup section
  mm: slub: add missing TID bump in kmem_cache_alloc_bulk()
  HID: google: add moonball USB id
  ipv4: ensure rcu_read_lock() in cipso_v4_error()
  netfilter: hashlimit: do not use indirect calls during gc
  netfilter: xt_hashlimit: unregister proc file before releasing mutex
  ACPI: watchdog: Set default timeout in probe
  HID: hid-bigbenff: fix general protection fault caused by double kfree
  HID: hid-bigbenff: call hid_hw_stop() in case of error
  HID: hid-bigbenff: fix race condition for scheduled work during removal
  selftests/rseq: Fix out-of-tree compilation
  net: ll_temac: Fix race condition causing TX hang
  net: ll_temac: Add more error handling of dma_map_single() calls
  net: ll_temac: Fix RX buffer descriptor handling on GFP_ATOMIC pressure
  net: ll_temac: Handle DMA halt condition caused by buffer underrun
  blk-mq: insert passthrough request into hctx->dispatch directly
  drm/amdgpu: fix memory leak during TDR test(v2)
  kbuild: add dtbs_check to PHONY
  kbuild: add dt_binding_check to PHONY in a correct place
  net: phy: mscc: fix firmware paths
  hinic: fix a bug of rss configuration
  blk-mq: insert flush request to the front of dispatch queue
  HID: add ALWAYS_POLL quirk to lenovo pixart mouse
  ARM: 8961/2: Fix Kbuild issue caused by per-task stack protector GCC plugin
  UBUNTU: upstream stable to v4.19.112, v5.4.27

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