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 2019-08-15

                Ported from the following upstream stable releases:
                        v4.19.56, v5.1.15

       from git://git.kernel.org/

tracing: Silence GCC 9 array bounds warning
gcc-9: silence 'address-of-packed-member' warning
ovl: support the FS_IOC_FS[SG]ETXATTR ioctls
ovl: fix wrong flags check in FS_IOC_FS[SG]ETXATTR ioctls
ovl: make i_ino consistent with st_ino in more cases
ovl: detect overlapping layers
ovl: don't fail with disconnected lower NFS
ovl: fix bogus -Wmaybe-unitialized warning
mmc: sdhci: sdhci-pci-o2micro: Correctly set bus width when tuning
mmc: core: API to temporarily disable retuning for SDIO CRC errors
mmc: core: Add sdio_retune_hold_now() and sdio_retune_release()
mmc: core: Prevent processing SDIO IRQs when the card is suspended
scsi: ufs: Avoid runtime suspend possibly being blocked forever
usb: chipidea: udc: workaround for endpoint conflict issue
xhci: detect USB 3.2 capable host controllers correctly
usb: xhci: Don't try to recover an endpoint if port is in error state.
IB/hfi1: Validate fault injection opcode user input
IB/hfi1: Silence txreq allocation warnings
iio: temperature: mlx90632 Relax the compatibility check
Input: synaptics - enable SMBus on ThinkPad E480 and E580
Input: uinput - add compat ioctl number translation for UI_*_FF_UPLOAD
Input: silead - add MSSL0017 to acpi_device_id
apparmor: enforce nullbyte at end of tag string
brcmfmac: sdio: Disable auto-tuning around commands expected to fail
brcmfmac: sdio: Don't tune while the card is off
ARC: fix build warnings
dmaengine: dw-axi-dmac: fix null dereference when pointer first is null
dmaengine: sprd: Fix block length overflow
ARC: [plat-hsdk]: Add missing multicast filter bins number to GMAC node
ARC: [plat-hsdk]: Add missing FIFO size entry in GMAC node
fpga: dfl: afu: Pass the correct device to dma_mapping_error()
fpga: dfl: Add lockdep classes for pdata->lock
parport: Fix mem leak in parport_register_dev_model
parisc: Fix compiler warnings in float emulation code
IB/rdmavt: Fix alloc_qpn() WARN_ON()
IB/hfi1: Insure freeze_work work_struct is canceled on shutdown
IB/{qib, hfi1, rdmavt}: Correct ibv_devinfo max_mr value
IB/hfi1: Validate page aligned for a given virtual address
MIPS: uprobes: remove set but not used variable 'epc'
xtensa: Fix section mismatch between memblock_reserve and mem_reserve
kselftest/cgroup: fix unexpected testing failure on test_memcontrol
kselftest/cgroup: fix unexpected testing failure on test_core
kselftest/cgroup: fix incorrect test_core skip
selftests: vm: install test_vmalloc.sh for run_vmtests
net: dsa: mv88e6xxx: avoid error message on remove from VLAN 0
mdesc: fix a missing-check bug in get_vdev_port_node_info()
sparc: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD
net: ethernet: mediatek: Use hw_feature to judge if HWLRO is supported
net: ethernet: mediatek: Use NET_IP_ALIGN to judge if HW RX_2BYTE_OFFSET is 
enabled
drm/arm/mali-dp: Add a loop around the second set CVAL and try 5 times
drm/arm/hdlcd: Actually validate CRTC modes
drm/arm/hdlcd: Allow a bit of clock tolerance
nvmet: fix data_len to 0 for bdev-backed write_zeroes
scripts/checkstack.pl: Fix arm64 wrong or unknown architecture
scsi: ufs: Check that space was properly alloced in copy_query_response
scsi: smartpqi: unlock on error in pqi_submit_raid_request_synchronous()
net: ipvlan: Fix ipvlan device tso disabled while NETIF_F_IP_CSUM is set
s390/qeth: fix VLAN attribute in bridge_hostnotify udev event
hwmon: (core) add thermal sensors only if dev->of_node is present
hwmon: (pmbus/core) Treat parameters as paged if on multiple pages
arm64: Silence gcc warnings about arch ABI drift
nvme: Fix u32 overflow in the number of namespace list calculation
btrfs: start readahead also in seed devices
can: xilinx_can: use correct bittiming_const for CAN FD core
can: flexcan: fix timeout when set small bitrate
can: purge socket error queue on sock destruct
riscv: mm: synchronize MMU after pte change
powerpc/bpf: use unsigned division instruction for 64-bit operations
ARM: imx: cpuidle-imx6sx: Restrict the SW2ISO increase to i.MX6SX
ARM: dts: dra76x: Update MMC2_HS200_MANUAL1 iodelay values
ARM: dts: am57xx-idk: Remove support for voltage switching for SD card
arm64/sve: <uapi/asm/ptrace.h> should not depend on <uapi/linux/prctl.h>
arm64: ssbd: explicitly depend on <linux/prctl.h>
drm/vmwgfx: Use the backdoor port if the HB port is not available
staging: erofs: add requirements field in superblock
SMB3: retry on STATUS_INSUFFICIENT_RESOURCES instead of failing write
cfg80211: fix memory leak of wiphy device name
mac80211: drop robust management frames from unknown TA
{nl,mac}80211: allow 4addr AP operation on crypto controlled devices
mac80211: handle deauthentication/disassociation from TDLS peer
nl80211: fix station_info pertid memory leak
mac80211: Do not use stack memory with scatterlist for GMAC
x86/resctrl: Don't stop walking closids when a locksetup group is found
mmc: sdhi: disallow HS400 for M3-W ES1.2, RZ/G2M, and V3H
mmc: mediatek: fix SDIO IRQ interrupt handle flow
mmc: mediatek: fix SDIO IRQ detection issue
cifs: fix GlobalMid_Lock bug in cifs_reconnect
IB/hfi1: Close PSM sdma_progress sleep window
IB/hfi1: Avoid hardlockup with flushlist_lock
IB/hfi1: Correct tid qp rcd to match verbs context
iio: imu: st_lsm6dsx: fix PM support for st_lsm6dsx i2c controller
apparmor: reset pos on failure to unpack for various functions
Revert "brcmfmac: disable command decode in sdio_aos"
lkdtm/usercopy: Moves the KERNEL_DS test to non-canonical
dmaengine: jz4780: Fix transfers being ACKed too soon
dmaengine: mediatek-cqdma: sleeping in atomic context
dmaengine: sprd: Fix the possible crash when getting descriptor status
dmaengine: sprd: Add validation of current descriptor in irq handler
dmaengine: sprd: Fix the incorrect start for 2-stage destination channels
dmaengine: sprd: Fix the right place to configure 2-stage transfer
fpga: stratix10-soc: fix use-after-free on s10_init()
crypto: hmac - fix memory leak in hmac_init_tfm()
userfaultfd: selftest: fix compiler warning
selftests: set sysctl bc_forwarding properly in router_broadcast.sh
kbuild: tar-pkg: enable communication with jobserver
net: phylink: avoid reducing support mask
udmabuf: actually unmap the scatterlist
s390/qeth: handle limited IPv4 broadcast in L3 TX path
s390/qeth: check dst entry before use
ARM: mvebu_v7_defconfig: fix Ethernet on Clearfog
KVM: x86/mmu: Allocate PAE root array when using SVM's 32-bit NPT
binder: fix possible UAF when freeing buffer
x86/vdso: Prevent segfaults due to hoisted vclock reads
UBUNTU: upstream stable to v4.19.56, v5.1.15

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

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

** 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 2019-08-15
-        from git://git.kernel.org/
+        upstream stable patchset 2019-08-15
+        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 2019-08-15
+ 
+                 Ported from the following upstream stable releases:
+                         v4.19.56, v5.1.15
+ 
         from git://git.kernel.org/

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

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

** 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 2019-08-15
  
-                 Ported from the following upstream stable releases:
-                         v4.19.56, v5.1.15
+                 Ported from the following upstream stable releases:
+                         v4.19.56, v5.1.15
  
         from git://git.kernel.org/
+ 
+ tracing: Silence GCC 9 array bounds warning
+ gcc-9: silence 'address-of-packed-member' warning
+ ovl: support the FS_IOC_FS[SG]ETXATTR ioctls
+ ovl: fix wrong flags check in FS_IOC_FS[SG]ETXATTR ioctls
+ ovl: make i_ino consistent with st_ino in more cases
+ ovl: detect overlapping layers
+ ovl: don't fail with disconnected lower NFS
+ ovl: fix bogus -Wmaybe-unitialized warning
+ mmc: sdhci: sdhci-pci-o2micro: Correctly set bus width when tuning
+ mmc: core: API to temporarily disable retuning for SDIO CRC errors
+ mmc: core: Add sdio_retune_hold_now() and sdio_retune_release()
+ mmc: core: Prevent processing SDIO IRQs when the card is suspended
+ scsi: ufs: Avoid runtime suspend possibly being blocked forever
+ usb: chipidea: udc: workaround for endpoint conflict issue
+ xhci: detect USB 3.2 capable host controllers correctly
+ usb: xhci: Don't try to recover an endpoint if port is in error state.
+ IB/hfi1: Validate fault injection opcode user input
+ IB/hfi1: Silence txreq allocation warnings
+ iio: temperature: mlx90632 Relax the compatibility check
+ Input: synaptics - enable SMBus on ThinkPad E480 and E580
+ Input: uinput - add compat ioctl number translation for UI_*_FF_UPLOAD
+ Input: silead - add MSSL0017 to acpi_device_id
+ apparmor: enforce nullbyte at end of tag string
+ brcmfmac: sdio: Disable auto-tuning around commands expected to fail
+ brcmfmac: sdio: Don't tune while the card is off
+ ARC: fix build warnings
+ dmaengine: dw-axi-dmac: fix null dereference when pointer first is null
+ dmaengine: sprd: Fix block length overflow
+ ARC: [plat-hsdk]: Add missing multicast filter bins number to GMAC node
+ ARC: [plat-hsdk]: Add missing FIFO size entry in GMAC node
+ fpga: dfl: afu: Pass the correct device to dma_mapping_error()
+ fpga: dfl: Add lockdep classes for pdata->lock
+ parport: Fix mem leak in parport_register_dev_model
+ parisc: Fix compiler warnings in float emulation code
+ IB/rdmavt: Fix alloc_qpn() WARN_ON()
+ IB/hfi1: Insure freeze_work work_struct is canceled on shutdown
+ IB/{qib, hfi1, rdmavt}: Correct ibv_devinfo max_mr value
+ IB/hfi1: Validate page aligned for a given virtual address
+ MIPS: uprobes: remove set but not used variable 'epc'
+ xtensa: Fix section mismatch between memblock_reserve and mem_reserve
+ kselftest/cgroup: fix unexpected testing failure on test_memcontrol
+ kselftest/cgroup: fix unexpected testing failure on test_core
+ kselftest/cgroup: fix incorrect test_core skip
+ selftests: vm: install test_vmalloc.sh for run_vmtests
+ net: dsa: mv88e6xxx: avoid error message on remove from VLAN 0
+ mdesc: fix a missing-check bug in get_vdev_port_node_info()
+ sparc: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD
+ net: ethernet: mediatek: Use hw_feature to judge if HWLRO is supported
+ net: ethernet: mediatek: Use NET_IP_ALIGN to judge if HW RX_2BYTE_OFFSET is 
enabled
+ drm/arm/mali-dp: Add a loop around the second set CVAL and try 5 times
+ drm/arm/hdlcd: Actually validate CRTC modes
+ drm/arm/hdlcd: Allow a bit of clock tolerance
+ nvmet: fix data_len to 0 for bdev-backed write_zeroes
+ scripts/checkstack.pl: Fix arm64 wrong or unknown architecture
+ scsi: ufs: Check that space was properly alloced in copy_query_response
+ scsi: smartpqi: unlock on error in pqi_submit_raid_request_synchronous()
+ net: ipvlan: Fix ipvlan device tso disabled while NETIF_F_IP_CSUM is set
+ s390/qeth: fix VLAN attribute in bridge_hostnotify udev event
+ hwmon: (core) add thermal sensors only if dev->of_node is present
+ hwmon: (pmbus/core) Treat parameters as paged if on multiple pages
+ arm64: Silence gcc warnings about arch ABI drift
+ nvme: Fix u32 overflow in the number of namespace list calculation
+ btrfs: start readahead also in seed devices
+ can: xilinx_can: use correct bittiming_const for CAN FD core
+ can: flexcan: fix timeout when set small bitrate
+ can: purge socket error queue on sock destruct
+ riscv: mm: synchronize MMU after pte change
+ powerpc/bpf: use unsigned division instruction for 64-bit operations
+ ARM: imx: cpuidle-imx6sx: Restrict the SW2ISO increase to i.MX6SX
+ ARM: dts: dra76x: Update MMC2_HS200_MANUAL1 iodelay values
+ ARM: dts: am57xx-idk: Remove support for voltage switching for SD card
+ arm64/sve: <uapi/asm/ptrace.h> should not depend on <uapi/linux/prctl.h>
+ arm64: ssbd: explicitly depend on <linux/prctl.h>
+ drm/vmwgfx: Use the backdoor port if the HB port is not available
+ staging: erofs: add requirements field in superblock
+ SMB3: retry on STATUS_INSUFFICIENT_RESOURCES instead of failing write
+ cfg80211: fix memory leak of wiphy device name
+ mac80211: drop robust management frames from unknown TA
+ {nl,mac}80211: allow 4addr AP operation on crypto controlled devices
+ mac80211: handle deauthentication/disassociation from TDLS peer
+ nl80211: fix station_info pertid memory leak
+ mac80211: Do not use stack memory with scatterlist for GMAC
+ x86/resctrl: Don't stop walking closids when a locksetup group is found
+ mmc: sdhi: disallow HS400 for M3-W ES1.2, RZ/G2M, and V3H
+ mmc: mediatek: fix SDIO IRQ interrupt handle flow
+ mmc: mediatek: fix SDIO IRQ detection issue
+ cifs: fix GlobalMid_Lock bug in cifs_reconnect
+ IB/hfi1: Close PSM sdma_progress sleep window
+ IB/hfi1: Avoid hardlockup with flushlist_lock
+ IB/hfi1: Correct tid qp rcd to match verbs context
+ iio: imu: st_lsm6dsx: fix PM support for st_lsm6dsx i2c controller
+ apparmor: reset pos on failure to unpack for various functions
+ Revert "brcmfmac: disable command decode in sdio_aos"
+ lkdtm/usercopy: Moves the KERNEL_DS test to non-canonical
+ dmaengine: jz4780: Fix transfers being ACKed too soon
+ dmaengine: mediatek-cqdma: sleeping in atomic context
+ dmaengine: sprd: Fix the possible crash when getting descriptor status
+ dmaengine: sprd: Add validation of current descriptor in irq handler
+ dmaengine: sprd: Fix the incorrect start for 2-stage destination channels
+ dmaengine: sprd: Fix the right place to configure 2-stage transfer
+ fpga: stratix10-soc: fix use-after-free on s10_init()
+ crypto: hmac - fix memory leak in hmac_init_tfm()
+ userfaultfd: selftest: fix compiler warning
+ selftests: set sysctl bc_forwarding properly in router_broadcast.sh
+ kbuild: tar-pkg: enable communication with jobserver
+ net: phylink: avoid reducing support mask
+ udmabuf: actually unmap the scatterlist
+ s390/qeth: handle limited IPv4 broadcast in L3 TX path
+ s390/qeth: check dst entry before use
+ ARM: mvebu_v7_defconfig: fix Ethernet on Clearfog
+ KVM: x86/mmu: Allocate PAE root array when using SVM's 32-bit NPT
+ binder: fix possible UAF when freeing buffer
+ x86/vdso: Prevent segfaults due to hoisted vclock reads
+ UBUNTU: upstream stable to v4.19.56, v5.1.15

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https://bugs.launchpad.net/bugs/1840373

Title:
  Disco update: upstream stable patchset 2019-08-15

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