Bug #1836914 “Doing multiple squashfs (and other loop?) mounts i...” : Bugs : linux package : Ubuntu

Revision history for this message

John Lenton (chipaca) wrote on 2019-07-17:

#1

AlsaInfo.txt Edit (3.5 KiB, text/plain; charset="utf-8")
CRDA.txt Edit (454 bytes, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (34.3 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (2.6 KiB, text/plain; charset="utf-8")
Lspci.txt Edit (3.4 KiB, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (2.9 KiB, text/plain; charset="utf-8")
ProcCpuinfoMinimal.txt Edit (747 bytes, text/plain; charset="utf-8")
ProcEnviron.txt Edit (115 bytes, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (2.4 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (1.3 KiB, text/plain; charset="utf-8")
PulseList.txt Edit (12.2 KiB, text/plain; charset="utf-8")
UdevDb.txt Edit (316.0 KiB, text/plain; charset="utf-8")
WifiSyslog.txt Edit (50.1 KiB, text/plain; charset="utf-8")

Jean-Baptiste Lallement (jibel) on 2019-07-17

tags:	added: rls-ee-incoming
Changed in linux (Ubuntu):
importance:	Undecided → Critical
status:	New → Confirmed
summary:	- Doing multiple squashfs ((and other loop?) mounts in parallel breaks + Doing multiple squashfs (and other loop?) mounts in parallel breaks

Revision history for this message

John Lenton (chipaca) wrote on 2019-07-17:

#2

I haven't yet tried to reproduce this with an upstream kernel, but given that it's affecting arch users with 5.2 as well, it's fairly likely to be there.

Revision history for this message

John Lenton (chipaca) wrote on 2019-07-17:

#3

The mainline builds for i386 and amd64 are failing right now so not sure I can do more.

Revision history for this message

Jean-Baptiste Lallement (jibel) wrote on 2019-07-17:

#4

testcase.lp1836914.sh Edit (336 bytes, text/x-sh)

Test script

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Kai-Heng Feng (kaihengfeng) wrote on 2019-07-18:

#5

Commit that causes the regression:
commit 33ec3e53e7b1869d7851e59e126bdb0fe0bd1982
Author: Jan Kara <email address hidden>
Date: Thu May 16 16:01:27 2019 +0200

loop: Don't change loop device under exclusive opener

    Loop module allows calling LOOP_SET_FD while there are other openers of
    the loop device. Even exclusive ones. This can lead to weird
    consequences such as kernel deadlocks like:

    mount_bdev() lo_ioctl()
      udf_fill_super()
        udf_load_vrs()
          sb_set_blocksize() - sets desired block size B
          udf_tread()
            sb_bread()
              __bread_gfp(bdev, block, B)
                                              loop_set_fd()
                                                set_blocksize()
                - now __getblk_slow() indefinitely loops because B != bdev
                  block size

Fix the problem by disallowing LOOP_SET_FD ioctl when there are
exclusive openers of a loop device.

    [Deliberately chosen not to CC stable as a user with priviledges to
    trigger this race has other means of taking the system down and this
    has a potential of breaking some weird userspace setup]

Seems like it solves a race so I'll raise the issue to the commit author.

Commit that causes the regression:
commit 33ec3e53e7b1869d7851e59e126bdb0fe0bd1982
Author: Jan Kara <jack@suse.cz>
Date:   Thu May 16 16:01:27 2019 +0200

loop: Don't change loop device under exclusive opener
    
    Loop module allows calling LOOP_SET_FD while there are other openers of
    the loop device. Even exclusive ones. This can lead to weird
    consequences such as kernel deadlocks like:
    
    mount_bdev()                            lo_ioctl()
      udf_fill_super()
        udf_load_vrs()
          sb_set_blocksize() - sets desired block size B
          udf_tread()
            sb_bread()
              __bread_gfp(bdev, block, B)
                                              loop_set_fd()
                                                set_blocksize()
                - now __getblk_slow() indefinitely loops because B != bdev
                  block size
    
    Fix the problem by disallowing LOOP_SET_FD ioctl when there are
    exclusive openers of a loop device.
    
    [Deliberately chosen not to CC stable as a user with priviledges to
    trigger this race has other means of taking the system down and this
    has a potential of breaking some weird userspace setup]

Seems like it solves a race so I'll raise the issue to the commit author.

Revision history for this message

Seth Forshee (sforshee) wrote on 2019-07-18:

#6

I confirmed the issue and that reverting the patch fixed it. I've pushed a revert as a temporary fix, Kai-Heng please keep me posted on the activity upstream.

Brad Figg (brad-figg) on 2019-07-24

tags:

added: cscc

Revision history for this message

John Lenton (chipaca) wrote on 2019-07-30:

#7

Can somebody build and test a kernel with Jan's patch, from
https://<email address hidden>/
?

Revision history for this message

John Lenton (chipaca) wrote on 2019-07-30:

#8

0001-loop-Fix-mount-2-failure-due-to-race-with-LOOP_SET_F.patch Edit (7.2 KiB, text/plain)

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2019-07-30:

#9

A test kernel can be found here:
https://people.canonical.com/~khfeng/lp1836914/

Ubuntu Foundations Team Bug Bot (crichton) on 2019-07-30

tags:

added: patch

Revision history for this message

Launchpad Janitor (janitor) wrote on 2019-08-09:

#10

Download full text (37.9 KiB)

This bug was fixed in the package linux - 5.2.0-10.11

---------------
linux (5.2.0-10.11) eoan; urgency=medium

* eoan/linux: 5.2.0-10.11 -proposed tracker (LP: #1838113)

* Packaging resync (LP: #1786013)
- [Packaging] resync git-ubuntu-log

  * Eoan update: v5.2.4 upstream stable release (LP: #1838428)
    - bnx2x: Prevent load reordering in tx completion processing
    - caif-hsi: fix possible deadlock in cfhsi_exit_module()
    - hv_netvsc: Fix extra rcu_read_unlock in netvsc_recv_callback()
    - igmp: fix memory leak in igmpv3_del_delrec()
    - ipv4: don't set IPv6 only flags to IPv4 addresses
    - ipv6: rt6_check should return NULL if 'from' is NULL
    - ipv6: Unlink sibling route in case of failure
    - net: bcmgenet: use promisc for unsupported filters
    - net: dsa: mv88e6xxx: wait after reset deactivation
    - net: make skb_dst_force return true when dst is refcounted
    - net: neigh: fix multiple neigh timer scheduling
    - net: openvswitch: fix csum updates for MPLS actions
    - net: phy: sfp: hwmon: Fix scaling of RX power
    - net_sched: unset TCQ_F_CAN_BYPASS when adding filters
    - net: stmmac: Re-work the queue selection for TSO packets
    - net/tls: make sure offload also gets the keys wiped
    - nfc: fix potential illegal memory access
    - r8169: fix issue with confused RX unit after PHY power-down on RTL8411b
    - rxrpc: Fix send on a connected, but unbound socket
    - sctp: fix error handling on stream scheduler initialization
    - sctp: not bind the socket in sctp_connect
    - sky2: Disable MSI on ASUS P6T
    - tcp: be more careful in tcp_fragment()
    - tcp: fix tcp_set_congestion_control() use from bpf hook
    - tcp: Reset bytes_acked and bytes_received when disconnecting
    - vrf: make sure skb->data contains ip header to make routing
    - net/mlx5e: IPoIB, Add error path in mlx5_rdma_setup_rn
    - net: bridge: mcast: fix stale nsrcs pointer in igmp3/mld2 report handling
    - net: bridge: mcast: fix stale ipv6 hdr pointer when handling v6 query
    - net: bridge: don't cache ether dest pointer on input
    - net: bridge: stp: don't cache eth dest pointer before skb pull
    - macsec: fix use-after-free of skb during RX
    - macsec: fix checksumming after decryption
    - netrom: fix a memory leak in nr_rx_frame()
    - netrom: hold sock when setting skb->destructor
    - selftests: txring_overwrite: fix incorrect test of mmap() return value
    - net/tls: fix poll ignoring partially copied records
    - net/tls: reject offload of TLS 1.3
    - net/mlx5e: Fix port tunnel GRE entropy control
    - net/mlx5e: Rx, Fix checksum calculation for new hardware
    - net/mlx5e: Fix return value from timeout recover function
    - net/mlx5e: Fix error flow in tx reporter diagnose
    - bnxt_en: Fix VNIC accounting when enabling aRFS on 57500 chips.
    - mlxsw: spectrum_dcb: Configure DSCP map as the last rule is removed
    - net/mlx5: E-Switch, Fix default encap mode
    - mlxsw: spectrum: Do not process learned records with a dummy FID
    - dma-buf: balance refcount inbalance
    - dma-buf: Discard old fence_excl on retrying get_fences_rcu for realloc
    - Revert "gpio/spi: Fix spi-gpio...

This bug was fixed in the package linux - 5.2.0-10.11

---------------
linux (5.2.0-10.11) eoan; urgency=medium

* eoan/linux: 5.2.0-10.11 -proposed tracker (LP: #1838113)

* Packaging resync (LP: #1786013)
    - [Packaging] resync git-ubuntu-log

* Eoan update: v5.2.4 upstream stable release (LP: #1838428)
    - bnx2x: Prevent load reordering in tx completion processing
    - caif-hsi: fix possible deadlock in cfhsi_exit_module()
    - hv_netvsc: Fix extra rcu_read_unlock in netvsc_recv_callback()
    - igmp: fix memory leak in igmpv3_del_delrec()
    - ipv4: don't set IPv6 only flags to IPv4 addresses
    - ipv6: rt6_check should return NULL if 'from' is NULL
    - ipv6: Unlink sibling route in case of failure
    - net: bcmgenet: use promisc for unsupported filters
    - net: dsa: mv88e6xxx: wait after reset deactivation
    - net: make skb_dst_force return true when dst is refcounted
    - net: neigh: fix multiple neigh timer scheduling
    - net: openvswitch: fix csum updates for MPLS actions
    - net: phy: sfp: hwmon: Fix scaling of RX power
    - net_sched: unset TCQ_F_CAN_BYPASS when adding filters
    - net: stmmac: Re-work the queue selection for TSO packets
    - net/tls: make sure offload also gets the keys wiped
    - nfc: fix potential illegal memory access
    - r8169: fix issue with confused RX unit after PHY power-down on RTL8411b
    - rxrpc: Fix send on a connected, but unbound socket
    - sctp: fix error handling on stream scheduler initialization
    - sctp: not bind the socket in sctp_connect
    - sky2: Disable MSI on ASUS P6T
    - tcp: be more careful in tcp_fragment()
    - tcp: fix tcp_set_congestion_control() use from bpf hook
    - tcp: Reset bytes_acked and bytes_received when disconnecting
    - vrf: make sure skb->data contains ip header to make routing
    - net/mlx5e: IPoIB, Add error path in mlx5_rdma_setup_rn
    - net: bridge: mcast: fix stale nsrcs pointer in igmp3/mld2 report handling
    - net: bridge: mcast: fix stale ipv6 hdr pointer when handling v6 query
    - net: bridge: don't cache ether dest pointer on input
    - net: bridge: stp: don't cache eth dest pointer before skb pull
    - macsec: fix use-after-free of skb during RX
    - macsec: fix checksumming after decryption
    - netrom: fix a memory leak in nr_rx_frame()
    - netrom: hold sock when setting skb->destructor
    - selftests: txring_overwrite: fix incorrect test of mmap() return value
    - net/tls: fix poll ignoring partially copied records
    - net/tls: reject offload of TLS 1.3
    - net/mlx5e: Fix port tunnel GRE entropy control
    - net/mlx5e: Rx, Fix checksum calculation for new hardware
    - net/mlx5e: Fix return value from timeout recover function
    - net/mlx5e: Fix error flow in tx reporter diagnose
    - bnxt_en: Fix VNIC accounting when enabling aRFS on 57500 chips.
    - mlxsw: spectrum_dcb: Configure DSCP map as the last rule is removed
    - net/mlx5: E-Switch, Fix default encap mode
    - mlxsw: spectrum: Do not process learned records with a dummy FID
    - dma-buf: balance refcount inbalance
    - dma-buf: Discard old fence_excl on retrying get_fences_rcu for realloc
    - Revert "gpio/spi: Fix spi-gpio regression on active high CS"
    - gpiolib: of: fix a memory leak in of_gpio_flags_quirks()
    - gpio: davinci: silence error prints in case of EPROBE_DEFER
    - MIPS: lb60: Fix pin mappings
    - perf script: Assume native_arch for pipe mode
    - perf/core: Fix exclusive events' grouping
    - perf/core: Fix race between close() and fork()
    - ext4: don't allow any modifications to an immutable file
    - ext4: enforce the immutable flag on open files
    - mm: add filemap_fdatawait_range_keep_errors()
    - jbd2: introduce jbd2_inode dirty range scoping
    - ext4: use jbd2_inode dirty range scoping
    - ext4: allow directory holes
    - KVM: nVMX: do not use dangling shadow VMCS after guest reset
    - KVM: nVMX: Clear pending KVM_REQ_GET_VMCS12_PAGES when leaving nested
    - Revert "kvm: x86: Use task structs fpu field for user"
    - sd_zbc: Fix report zones buffer allocation
    - block: Limit zone array allocation size
    - net: sched: verify that q!=NULL before setting q->flags
    - Linux 5.2.4

* linux hwe i386 kernel 5.0.0-21.22~18.04.1 crashes on Lenovo x220
    (LP: #1838115)
    - x86/mm: Check for pfn instead of page in vmalloc_sync_one()
    - x86/mm: Sync also unmappings in vmalloc_sync_all()
    - mm/vmalloc: Sync unmappings in __purge_vmap_area_lazy()

* br_netfilter: namespace sysctl operations (LP: #1836910)
    - netfilter: bridge: port sysctls to use brnf_net
    - netfilter: bridge: namespace bridge netfilter sysctls
    - netfilter: bridge: prevent UAF in brnf_exit_net()

* Eoan update: v5.2.3 upstream stable release (LP: #1838089)
    - ath10k: Check tx_stats before use it
    - ath10k: htt: don't use txdone_fifo with SDIO
    - ath10k: fix incorrect multicast/broadcast rate setting
    - ath9k: Don't trust TX status TID number when reporting airtime
    - wil6210: fix potential out-of-bounds read
    - ath10k: Do not send probe response template for mesh
    - spi: rockchip: turn down tx dma bursts
    - ath9k: Check for errors when reading SREV register
    - ath10k: Fix the wrong value of enums for wmi tlv stats id
    - wil6210: fix missed MISC mbox interrupt
    - ath6kl: add some bounds checking
    - ath10k: add peer id check in ath10k_peer_find_by_id
    - wil6210: fix spurious interrupts in 3-msi
    - ath: DFS JP domain W56 fixed pulse type 3 RADAR detection
    - ath10k: Fix encoding for protected management frames
    - regmap: debugfs: Fix memory leak in regmap_debugfs_init
    - batman-adv: fix for leaked TVLV handler.
    - media: dvb: usb: fix use after free in dvb_usb_device_exit
    - media: spi: IR LED: add missing of table registration
    - crypto: talitos - fix skcipher failure due to wrong output IV
    - media: ov7740: avoid invalid framesize setting
    - media: marvell-ccic: fix DMA s/g desc number calculation
    - selftests/bpf: adjust verifier scale test
    - media: vpss: fix a potential NULL pointer dereference
    - media: media_device_enum_links32: clean a reserved field
    - ice: Gracefully handle reset failure in ice_alloc_vfs()
    - media: venus: firmware: fix leaked of_node references
    - crypto: caam - avoid S/G table fetching for AEAD zero-length output
    - net: stmmac: dwmac1000: Clear unused address entries
    - net: stmmac: dwmac4/5: Clear unused address entries
    - net: stmmac: Prevent missing interrupts when running NAPI
    - ice: Fix couple of issues in ice_vsi_release
    - net: mvpp2: cls: Extract the RSS context when parsing the ethtool rule
    - qed: Set the doorbell address correctly
    - signal/pid_namespace: Fix reboot_pid_ns to use send_sig not force_sig
    - af_key: fix leaks in key_pol_get_resp and dump_sp.
    - xfrm: Fix xfrm sel prefix length validation
    - media: vim2m: fix two double-free issues
    - media: v4l2-core: fix use-after-free error
    - fscrypt: clean up some BUG_ON()s in block encryption/decryption
    - media: usb:zr364xx:Fix KASAN:null-ptr-deref Read in zr364xx_vidioc_querycap
    - perf annotate TUI browser: Do not use member from variable within its own
      initialization
    - ice: Check all VFs for MDD activity, don't disable
    - media: mc-device.c: don't memset __user pointer contents
    - media: saa7164: fix remove_proc_entry warning
    - ASoC: Intel: sof-rt5682: fix undefined references with Baytrail-only support
    - media: staging: media: davinci_vpfe: - Fix for memory leak if decoder
      initialization fails.
    - net: phy: Check against net_device being NULL
    - net: dsa: sja1105: Fix broken fixed-link interfaces on user ports
    - crypto: talitos - properly handle split ICV.
    - crypto: talitos - Align SEC1 accesses to 32 bits boundaries.
    - tua6100: Avoid build warnings.
    - batman-adv: Fix duplicated OGMs on NETDEV_UP
    - locking/lockdep: Fix OOO unlock when hlocks need merging
    - locking/lockdep: Fix merging of hlocks with non-zero references
    - media: platform: ao-cec-g12a: disable regmap fast_io for cec bus regmap
    - media: wl128x: Fix some error handling in fm_v4l2_init_video_device()
    - cpupower : frequency-set -r option misses the last cpu in related cpu list
    - arm64: mm: make CONFIG_ZONE_DMA32 configurable
    - media: imx7-mipi-csis: Propagate the error if clock enabling fails
    - perf jvmti: Address gcc string overflow warning for strncpy()
    - media: aspeed: change irq to threaded irq
    - media: aspeed: fix a kernel warning on clk control
    - net: stmmac: dwmac4: fix flow control issue
    - net: stmmac: modify default value of tx-frames
    - crypto: inside-secure - do not rely on the hardware last bit for result
      descriptors
    - net: fec: Do not use netdev messages too early
    - net: axienet: Fix race condition causing TX hang
    - s390/qdio: handle PENDING state for QEBSM devices
    - RAS/CEC: Fix pfn insertion
    - net: sfp: add mutex to prevent concurrent state checks
    - netfilter: ipset: fix a missing check of nla_parse
    - ipset: Fix memory accounting for hash types on resize
    - perf cs-etm: Properly set the value of 'old' and 'head' in snapshot mode
    - perf test 6: Fix missing kvm module load for s390
    - perf report: Fix OOM error in TUI mode on s390
    - selftests/bpf : clean up feature/ when make clean
    - irqchip/meson-gpio: Add support for Meson-G12A SoC
    - media: uvcvideo: Fix access to uninitialized fields on probe error
    - media: fdp1: Support M3N and E3 platforms
    - iommu: Fix a leak in iommu_insert_resv_region
    - gpio: omap: fix lack of irqstatus_raw0 for OMAP4
    - gpio: omap: ensure irq is enabled before wakeup
    - regmap: fix bulk writes on paged registers
    - gpio: omap: Fix lost edge wake-up interrupts
    - media: davinci: vpif_capture: fix memory leak in vpif_probe()
    - bpf: silence warning messages in core
    - media: s5p-mfc: fix reading min scratch buffer size on MFC v6/v7
    - selinux: fix empty write to keycreate file
    - crypto: testmgr - add some more preemption points
    - x86/cpu: Add Ice Lake NNPI to Intel family
    - ASoC: meson: axg-tdm: fix sample clock inversion
    - rcu: Force inlining of rcu_read_lock()
    - perf/x86: Add Intel Ice Lake NNPI uncore support
    - x86/cpufeatures: Add FDP_EXCPTN_ONLY and ZERO_FCS_FDS
    - qed: iWARP - Fix tc for MPA ll2 connection
    - block: null_blk: fix race condition for null_del_dev
    - blkcg, writeback: dead memcgs shouldn't contribute to writeback ownership
      arbitration
    - xfrm: fix sa selector validation
    - sched/core: Add __sched tag for io_schedule()
    - perf/x86/intel: Add more Icelake CPUIDs
    - sched/fair: Fix "runnable_avg_yN_inv" not used warnings
    - perf/x86/intel: Disable check_msr for real HW
    - perf/x86/intel/uncore: Handle invalid event coding for free-running counter
    - integrity: Fix __integrity_init_keyring() section mismatch
    - x86/atomic: Fix smp_mb__{before,after}_atomic()
    - perf evsel: Make perf_evsel__name() accept a NULL argument
    - vhost_net: disable zerocopy by default
    - iavf: allow null RX descriptors
    - ipoib: correcly show a VF hardware address
    - ASoC: rsnd: fixup mod ID calculation in rsnd_ctu_probe_
    - tools build: Fix the zstd test in the test-all.c common case feature test
    - bpf: fix callees pruning callers
    - perf build: Handle slang being in /usr/include and in /usr/include/slang/
    - PCI: Add missing link delays required by the PCIe spec
    - net: netsec: initialize tx ring on ndo_open
    - x86/cacheinfo: Fix a -Wtype-limits warning
    - blk-iolatency: only account submitted bios
    - ACPICA: Clear status of GPEs on first direct enable
    - spi: fix ctrl->num_chipselect constraint
    - EDAC/sysfs: Drop device references properly
    - EDAC/sysfs: Fix memory leak when creating a csrow object
    - nvme: fix possible io failures when removing multipathed ns
    - nvme-pci: properly report state change failure in nvme_reset_work
    - nvme-pci: set the errno on ctrl state change error
    - lightnvm: pblk: fix freeing of merged pages
    - lightnvm: fix uninitialized pointer in nvm_remove_tgt()
    - nvme-pci: adjust irq max_vector using num_possible_cpus()
    - arm64: Do not enable IRQs for ct_user_exit
    - ipsec: select crypto ciphers for xfrm_algo
    - media: staging: davinci: fix memory leaks and check for allocation failure
    - ipvs: defer hook registration to avoid leaks
    - media: s5p-mfc: Make additional clocks optional
    - media: i2c: fix warning same module names
    - ntp: Limit TAI-UTC offset
    - timer_list: Guard procfs specific code
    - media: mt9m111: fix fw-node refactoring
    - ASoC: soc-core: call snd_soc_unbind_card() under mutex_lock;
    - acpi/arm64: ignore 5.1 FADTs that are reported as 5.0
    - media: coda: fix mpeg2 sequence number handling
    - media: coda: fix last buffer handling in V4L2_ENC_CMD_STOP
    - media: coda: increment sequence offset for the last returned frame
    - media: vimc: cap: check v4l2_fill_pixfmt return value
    - media: hdpvr: fix locking and a missing msleep
    - net: stmmac: sun8i: force select external PHY when no internal one
    - rtlwifi: rtl8192cu: fix error handle when usb probe failed
    - mt7601u: do not schedule rx_tasklet when the device has been disconnected
    - x86/build: Add 'set -e' to mkcapflags.sh to delete broken capflags.c
    - mt7601u: fix possible memory leak when the device is disconnected
    - ipvs: fix tinfo memory leak in start_sync_thread
    - mt76: mt7615: do not process rx packets if the device is not initialized
    - ath10k: add missing error handling
    - ath10k: fix fw crash by moving chip reset after napi disabled
    - ath10k: fix PCIE device wake up failed
    - ALSA: hdac: Fix codec name after machine driver is unloaded and reloaded
    - perf tools: Increase MAX_NR_CPUS and MAX_CACHES
    - ASoC: Intel: hdac_hdmi: Set ops to NULL on remove
    - block, bfq: fix rq_in_driver check in bfq_update_inject_limit
    - clocksource/drivers/tegra: Release all IRQ's on request_irq() error
    - libata: don't request sense data on !ZAC ATA devices
    - clocksource/drivers/tegra: Restore base address before cleanup
    - clocksource/drivers/exynos_mct: Increase priority over ARM arch timer
    - netfilter: ctnetlink: Fix regression in conntrack entry deletion
    - xsk: Properly terminate assignment in xskq_produce_flush_desc
    - rslib: Fix decoding of shortened codes
    - bpf: fix BPF_ALU32 | BPF_ARSH on BE arches
    - rslib: Fix handling of of caller provided syndrome
    - gpio: Fix return value mismatch of function gpiod_get_from_of_node()
    - net: hns3: restore the MAC autoneg state after reset
    - net/mlx5: Get vport ACL namespace by vport index
    - ixgbe: Check DDM existence in transceiver before access
    - crypto: serpent - mark __serpent_setkey_sbox noinline
    - crypto: asymmetric_keys - select CRYPTO_HASH where needed
    - ath9k: correctly handle short radar pulses
    - wil6210: drop old event after wmi_call timeout
    - EDAC: Fix global-out-of-bounds write when setting edac_mc_poll_msec
    - net/mlx5e: Attach/detach XDP program safely
    - bcache: fix return value error in bch_journal_read()
    - bcache: check CACHE_SET_IO_DISABLE in allocator code
    - bcache: check CACHE_SET_IO_DISABLE bit in bch_journal()
    - bcache: acquire bch_register_lock later in cached_dev_free()
    - bcache: check c->gc_thread by IS_ERR_OR_NULL in cache_set_flush()
    - bcache: avoid a deadlock in bcache_reboot()
    - bcache: fix potential deadlock in cached_def_free()
    - net: hns3: fix a -Wformat-nonliteral compile warning
    - net: hns3: add some error checking in hclge_tm module
    - ath10k: Fix memory leak in qmi
    - ath10k: destroy sdio workqueue while remove sdio module
    - net: mvpp2: prs: Don't override the sign bit in SRAM parser shift
    - igb: clear out skb->tstamp after reading the txtime
    - net: hns3: add Asym Pause support to fix autoneg problem
    - net: ethernet: ti: cpsw: Assign OF node to slave devices
    - iwlwifi: mvm: Drop large non sta frames
    - bpf: fix uapi bpf_prog_info fields alignment
    - netfilter: Fix remainder of pseudo-header protocol 0
    - iwlwifi: dbg: fix debug monitor stop and restart delays
    - bnxt_en: Disable bus master during PCI shutdown and driver unload.
    - bnxt_en: Fix statistics context reservation logic for RDMA driver.
    - bnxt_en: Cap the returned MSIX vectors to the RDMA driver.
    - ALSA: hda: Fix a headphone detection issue when using SOF
    - perf stat: Make metric event lookup more robust
    - perf stat: Fix metrics with --no-merge
    - perf stat: Don't merge events in the same PMU
    - perf stat: Fix group lookup for metric group
    - vxlan: do not destroy fdb if register_netdevice() is failed
    - net: usb: asix: init MAC address buffers
    - rxrpc: Fix oops in tracepoint
    - libbpf: fix GCC8 warning for strncpy
    - bpf, libbpf, smatch: Fix potential NULL pointer dereference
    - selftests: bpf: fix inlines in test_lwt_seg6local
    - bonding: validate ip header before check IPPROTO_IGMP
    - gpiolib: Fix references to gpiod_[gs]et_*value_cansleep() variants
    - iommu/arm-smmu-v3: Invalidate ATC when detaching a device
    - ASoC: audio-graph-card: fix use-after-free in graph_for_each_link
    - tools: bpftool: Fix json dump crash on powerpc
    - net: hns3: enable broadcast promisc mode when initializing VF
    - net: hns3: fix port capbility updating issue
    - Bluetooth: hci_bcsp: Fix memory leak in rx_skb
    - Bluetooth: Add new 13d3:3491 QCA_ROME device
    - Bluetooth: Add new 13d3:3501 QCA_ROME device
    - Bluetooth: 6lowpan: search for destination address in all peers
    - genirq: Update irq stats from NMI handlers
    - perf tests: Fix record+probe_libc_inet_pton.sh for powerpc64
    - Bluetooth: Check state in l2cap_disconnect_rsp
    - Bluetooth: hidp: NUL terminate a string in the compat ioctl
    - gtp: add missing gtp_encap_disable_sock() in gtp_encap_enable()
    - Bluetooth: validate BLE connection interval updates
    - gtp: fix suspicious RCU usage
    - gtp: fix Illegal context switch in RCU read-side critical section.
    - gtp: fix use-after-free in gtp_encap_destroy()
    - gtp: fix use-after-free in gtp_newlink()
    - xdp: fix race on generic receive path
    - net: mvmdio: defer probe of orion-mdio if a clock is not ready
    - net: hns3: fix __QUEUE_STATE_STACK_XOFF not cleared issue
    - iavf: fix dereference of null rx_buffer pointer
    - blk-iolatency: fix STS_AGAIN handling
    - libbpf: fix another GCC8 warning for strncpy
    - floppy: fix div-by-zero in setup_format_params
    - floppy: fix out-of-bounds read in next_valid_format
    - floppy: fix invalid pointer dereference in drive_name
    - floppy: fix out-of-bounds read in copy_buffer
    - xen: let alloc_xenballooned_pages() fail if not enough memory free
    - scsi: NCR5380: Always re-enable reselection interrupt
    - scsi: NCR5380: Handle PDMA failure reliably
    - Revert "scsi: ncr5380: Increase register polling limit"
    - scsi: core: Fix race on creating sense cache
    - scsi: sd_zbc: Fix compilation warning
    - scsi: zfcp: fix request object use-after-free in send path causing seqno
      errors
    - scsi: zfcp: fix request object use-after-free in send path causing wrong
      traces
    - scsi: megaraid_sas: Fix calculation of target ID
    - scsi: mac_scsi: Increase PIO/PDMA transfer length threshold
    - scsi: mac_scsi: Fix pseudo DMA implementation, take 2
    - crypto: ghash - fix unaligned memory access in ghash_setkey()
    - crypto: caam - limit output IV to CBC to work around CTR mode DMA issue
    - crypto: ccp - Validate the the error value used to index error messages
    - crypto: arm64/sha1-ce - correct digest for empty data in finup
    - crypto: arm64/sha2-ce - correct digest for empty data in finup
    - crypto: chacha20poly1305 - fix atomic sleep when using async algorithm
    - crypto: crypto4xx - fix AES CTR blocksize value
    - crypto: crypto4xx - fix blocksize for cfb and ofb
    - crypto: crypto4xx - block ciphers should only accept complete blocks
    - crypto: ccp - memset structure fields to zero before reuse
    - crypto: ccp/gcm - use const time tag comparison.
    - crypto: crypto4xx - fix a potential double free in ppc4xx_trng_probe
    - cifs: always add credits back for unsolicited PDUs
    - cifs: fix crash in smb2_compound_op()/smb2_set_next_command()
    - cifs: Properly handle auto disabling of serverino option
    - cifs: flush before set-info if we have writeable handles
    - CIFS: fix deadlock in cached root handling
    - bcache: Revert "bcache: fix high CPU occupancy during journal"
    - bcache: Revert "bcache: free heap cache_set->flush_btree in
      bch_journal_free"
    - bcache: ignore read-ahead request failure on backing device
    - bcache: fix mistaken sysfs entry for io_error counter
    - bcache: destroy dc->writeback_write_wq if failed to create
      dc->writeback_thread
    - Input: gtco - bounds check collection indent level
    - Input: synaptics - whitelist Lenovo T580 SMBus intertouch
    - regulator: s2mps11: Fix ERR_PTR dereference on GPIO lookup failure
    - regulator: s2mps11: Fix buck7 and buck8 wrong voltages
    - arm64: tegra: Update Jetson TX1 GPU regulator timings
    - arm64: tegra: Fix Jetson Nano GPU regulator
    - iwlwifi: add support for hr1 RF ID
    - iwlwifi: pcie: don't service an interrupt that was masked
    - iwlwifi: pcie: fix ALIVE interrupt handling for gen2 devices w/o MSI-X
    - iwlwifi: don't WARN when calling iwl_get_shared_mem_conf with RF-Kill
    - iwlwifi: fix RF-Kill interrupt while FW load for gen2 devices
    - iwlwifi: mvm: delay GTK setting in FW in AP mode
    - iwlwifi: mvm: clear rfkill_safe_init_done when we start the firmware
    - opp: Don't use IS_ERR on invalid supplies
    - arm64: Fix interrupt tracing in the presence of NMIs
    - tracing: Fix user stack trace "??" output
    - NFSv4: Handle the special Linux file open access mode
    - Revert "NFS: readdirplus optimization by cache mechanism" (memleak)
    - pnfs/flexfiles: Fix PTR_ERR() dereferences in ff_layout_track_ds_error
    - pnfs: Fix a problem where we gratuitously start doing I/O through the MDS
    - SUNRPC: Ensure the bvecs are reset when we re-encode the RPC request
    - lib/scatterlist: Fix mapping iterator when sg->offset is greater than
      PAGE_SIZE
    - ASoC: dapm: Adapt for debugfs API change
    - ASoC: core: Adapt for debugfs API change
    - raid5-cache: Need to do start() part job after adding journal device
    - kconfig: fix missing choice values in auto.conf
    - ALSA: seq: Break too long mutex context in the write loop
    - ALSA: hda - Don't resume forcibly i915 HDMI/DP codec
    - ALSA: hda/realtek - Fixed Headphone Mic can't record on Dell platform
    - ceph: fix end offset in truncate_inode_pages_range call
    - ceph: use ceph_evict_inode to cleanup inode's resource
    - media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom()
    - media: coda: Remove unbalanced and unneeded mutex unlock
    - media: videobuf2-core: Prevent size alignment wrapping buffer size to 0
    - media: videobuf2-dma-sg: Prevent size from overflowing
    - KVM: nVMX: Don't dump VMCS if virtual APIC page can't be mapped
    - KVM: VMX: Always signal #GP on WRMSR to MSR_IA32_CR_PAT with bad value
    - KVM: nVMX: Always sync GUEST_BNDCFGS when it comes from vmcs01
    - KVM: VMX: Fix handling of #MC that occurs during VM-Entry
    - KVM: VMX: check CPUID before allowing read/write of IA32_XSS
    - KVM: Properly check if "page" is valid in kvm_vcpu_unmap
    - KVM: PPC: Book3S HV: Signed extend decrementer value if not using large
      decrementer
    - KVM: PPC: Book3S HV: Clear pending decrementer exceptions on nested guest
      entry
    - KVM: PPC: Book3S HV: Fix CR0 setting in TM emulation
    - KVM: x86/vPMU: refine kvm_pmu err msg when event creation failed
    - arm64: tegra: Fix AGIC register range
    - arm64: irqflags: Add condition flags to inline asm clobber list
    - arm64: Fix incorrect irqflag restore for priority masking
    - intel_th: msu: Fix unused variable warning on arm64 platform
    - signal/usb: Replace kill_pid_info_as_cred with kill_pid_usb_asyncio
    - signal: Correct namespace fixups of si_pid and si_uid
    - fs/proc/proc_sysctl.c: fix the default values of i_uid/i_gid on /proc/sys
      inodes.
    - i3c: fix i2c and i3c scl rate by bus mode
    - ARM: dts: gemini: Set DIR-685 SPI CS as active low
    - drm/nouveau/i2c: Enable i2c pads & busses during preinit
    - padata: use smp_mb in padata_reorder to avoid orphaned padata jobs
    - dm zoned: fix zone state management race
    - xen/events: fix binding user event channels to cpus
    - 9p/xen: Add cleanup path in p9_trans_xen_init
    - 9p/virtio: Add cleanup path in p9_virtio_init
    - rt2x00usb: fix rx queue hang
    - x86/hyper-v: Zero out the VP ASSIST PAGE on allocation
    - x86/boot: Fix memory leak in default_get_smp_config()
    - perf/x86/intel: Fix spurious NMI on fixed counter
    - perf/x86/amd/uncore: Do not set 'ThreadMask' and 'SliceMask' for non-L3 PMCs
    - perf/x86/amd/uncore: Set the thread mask for F17h L3 PMCs
    - x86/stacktrace: Prevent infinite loop in arch_stack_walk_user()
    - drm/edid: parse CEA blocks embedded in DisplayID
    - block: Allow mapping of vmalloc-ed buffers
    - block: Fix potential overflow in blk_report_zones()
    - RDMA/srp: Accept again source addresses that do not have a port number
    - RDMA/odp: Fix missed unlock in non-blocking invalidate_start
    - intel_th: pci: Add Ice Lake NNPI support
    - PCI: hv: Fix a use-after-free bug in hv_eject_device_work()
    - PCI: Do not poll for PME if the device is in D3cold
    - PCI: qcom: Ensure that PERST is asserted for at least 100 ms
    - btrfs: correctly validate compression type
    - Btrfs: fix data loss after inode eviction, renaming it, and fsync it
    - Btrfs: fix fsync not persisting dentry deletions due to inode evictions
    - Btrfs: add missing inode version, ctime and mtime updates when punching hole
    - IB/mlx5: Report correctly tag matching rendezvous capability
    - HID: wacom: generic: only switch the mode on devices with LEDs
    - HID: wacom: generic: Correct pad syncing
    - HID: wacom: correct touch resolution x/y typo
    - mm: vmscan: scan anonymous pages on file refaults
    - mm/nvdimm: add is_ioremap_addr and use that to check ioremap address
    - libnvdimm/pfn: fix fsdax-mode namespace info-block zero-fields
    - mm/memcontrol: fix wrong statistics in memory.stat
    - mm/z3fold.c: lock z3fold page before __SetPageMovable()
    - coda: pass the host file in vma->vm_file on mmap
    - include/asm-generic/bug.h: fix "cut here" for WARN_ON for __WARN_TAINT
      architectures
    - resource: fix locking in find_next_iomem_res()
    - gpu: ipu-v3: ipu-ic: Fix saturation bit offset in TPMEM
    - parisc: Ensure userspace privilege for ptraced processes in regset functions
    - parisc: Avoid kernel panic triggered by invalid kprobe
    - parisc: Fix kernel panic due invalid values in IAOQ0 or IAOQ1
    - powerpc/32s: fix suspend/resume when IBATs 4-7 are used
    - powerpc/mm/32s: fix condition that is always true
    - powerpc/watchpoint: Restore NV GPRs while returning from exception
    - powerpc/powernv/npu: Fix reference leak
    - powerpc/powernv/idle: Fix restore of SPRN_LDBAR for POWER9 stop state.
    - powerpc/powernv: Fix stale iommu table base after VFIO
    - powerpc/pseries: Fix xive=off command line
    - powerpc/pseries: Fix oops in hotplug memory notifier
    - mmc: sdhci-msm: fix mutex while in spinlock
    - eCryptfs: fix a couple type promotion bugs
    - mtd: rawnand: mtk: Correct low level time calculation of r/w cycle
    - mtd: spinand: read returns badly if the last page has bitflips
    - intel_th: msu: Remove set but not used variable 'last'
    - intel_th: msu: Fix single mode with disabled IOMMU
    - Bluetooth: Add SMP workaround Microsoft Surface Precision Mouse bug
    - dax: Fix missed wakeup with PMD faults
    - usb: Handle USB3 remote wakeup for LPM enabled devices correctly
    - blk-throttle: fix zero wait time for iops throttled group
    - clk: imx: imx8mm: correct audio_pll2_clk to audio_pll2_out
    - blk-iolatency: clear use_delay when io.latency is set to zero
    - blkcg: update blkcg_print_stat() to handle larger outputs
    - net: mvmdio: allow up to four clocks to be specified for orion-mdio
    - dt-bindings: allow up to four clocks for orion-mdio
    - pstore: Fix double-free in pstore_mkfile() failure path
    - phy: qcom-qmp: Correct READY_STATUS poll break condition
    - dm thin metadata: check if in fail_io mode when setting needs_check
    - dm bufio: fix deadlock with loop device
    - Linux 5.2.3
    - [Config] add adv7511 to modules.ignore

* CVE-2019-13648
    - powerpc/tm: Fix oops on sigreturn on systems without TM

* alsa/hda: neither mute led nor mic-mute led work on several Lenovo laptops
    (LP: #1837963)
    - SAUCE: ALSA: hda - Add a conexant codec entry to let mute led work

* [18.04 FEAT] Enhanced CPU-MF hardware counters - kernel part (LP: #1836860)
    - s390/cpumf: Add extended counter set definitions for model 8561 and 8562

* Please enable CONFIG_SCSI_UFS_QCOM as a module on arm64 (LP: #1837332)
    - [Config] Enable CONFIG_SCSI_UFS_QCOM as a module on arm64.

* Add arm64 CONFIG_ARCH_MESON=y and related configs Edit (LP: #1820530)
    - [Config] enable ARCH_MESON
    - remove missing module
    - [Config] update annotations after enabling ARCH_MESON for arm64

* Eoan update: v5.2.2 upstream stable release (LP: #1837725)
    - Revert "e1000e: fix cyclic resets at link up with active tx"
    - e1000e: start network tx queue only when link is up
    - Input: synaptics - enable SMBUS on T480 thinkpad trackpad
    - nilfs2: do not use unexported cpu_to_le32()/le32_to_cpu() in uapi header
    - drivers: base: cacheinfo: Ensure cpu hotplug work is done before Intel RDT
    - firmware: improve LSM/IMA security behaviour
    - genirq: Delay deactivation in free_irq()
    - genirq: Fix misleading synchronize_irq() documentation
    - genirq: Add optional hardware synchronization for shutdown
    - x86/ioapic: Implement irq_get_irqchip_state() callback
    - x86/irq: Handle spurious interrupt after shutdown gracefully
    - x86/irq: Seperate unused system vectors from spurious entry again
    - ARC: hide unused function unw_hdr_alloc
    - s390/ipl: Fix detection of has_secure attribute
    - s390: fix stfle zero padding
    - s390/qdio: (re-)initialize tiqdio list entries
    - s390/qdio: don't touch the dsci in tiqdio_add_input_queues()
    - crypto: talitos - move struct talitos_edesc into talitos.h
    - crypto: talitos - fix hash on SEC1.
    - crypto/NX: Set receive window credits to max number of CRBs in RxFIFO
    - x86/entry/32: Fix ENDPROC of common_spurious
    - Linux 5.2.2

* Miscellaneous Ubuntu changes
    - update dkms package versions

linux (5.2.0-9.10) eoan; urgency=medium

* Packaging resync (LP: #1786013)
    - [Packaging] update helper scripts

* input/mouse: alps trackpoint-only device doesn't work (LP: #1836752)
    - SAUCE: Input: alps - don't handle ALPS cs19 trackpoint-only device
    - SAUCE: Input: alps - fix a mismatch between a condition check and its
      comment

* System does not auto detect disconnection of external monitor (LP: #1835001)
    - SAUCE: drm/i915: Add support for retrying hotplug
    - SAUCE: drm/i915: Enable hotplug retry

* alsa/hdmi: add icelake hdmi audio support for a Dell machine (LP: #1836916)
    - SAUCE: ALSA: hda/hdmi - Remove duplicated define
    - SAUCE: ALSA: hda/hdmi - Fix i915 reverse port/pin mapping

* First click on Goodix touchpad doesn't be recognized after runtime suspended
    (LP: #1836836)
    - SAUCE: i2c: designware: add G3 3590 into i2c quirk

* ixgbe{vf} - Physical Function gets IRQ when VF checks link state
    (LP: #1836760)
    - ixgbevf: Use cached link state instead of re-reading the value for ethtool

* Doing multiple squashfs (and other loop?) mounts in parallel breaks
    (LP: #1836914)
    - SAUCE: Revert "loop: Don't change loop device under exclusive opener"

* hibmc-drm Causes Unreadable Display for Huawei amd64 Servers (LP: #1762940)
    - SAUCE: Make CONFIG_DRM_HISI_HIBMC depend on ARM64
    - [Config] Set CONFIG_DRM_HISI_HIBMC to arm64 only
    - [Config] add hibmc-drm to modules.ignore

* hda/realtek: can't detect external mic on a Dell machine (LP: #1836755)
    - ALSA: hda/realtek: apply ALC891 headset fixup to one Dell machine

* Enable Armada SOCs and MVPP2 NIC driver for disco/generic arm64
    (LP: #1835054)
    - [Config] Enable Armada SOCs and MVPP2 NIC driver for disco/generic arm64

* Unhide Nvidia HDA audio controller (LP: #1836308)
    - PCI: Enable NVIDIA HDA controllers

* Intel ethernet I219 may wrongly detect connection speed as 10Mbps
    (LP: #1836177)
    - e1000e: Make watchdog use delayed work

* Sometimes touchpad(goodix) can't use tap function (LP: #1836020)
    - SAUCE: i2c: designware: add Inpiron/Vostro 7590 into i2c quirk
    - SAUCE: i2c: designware: add Inpiron 7591 into i2c quirk

* Intel ethernet I219 has slow RX speed (LP: #1836152)
    - e1000e: add workaround for possible stalled packet
    - e1000e: disable force K1-off feature

* bcache: risk of data loss on I/O errors in backing or caching devices
    (LP: #1829563)
    - Revert "bcache: set CACHE_SET_IO_DISABLE in bch_cached_dev_error()"

* bnx2x driver causes 100% CPU load (LP: #1832082)
    - bnx2x: Prevent ptp_task to be rescheduled indefinitely

* fcf-protection=none patch with new version
    - Revert "UBUNTU: SAUCE: kbuild: add -fcf-protection=none to retpoline flags"
    - SAUCE: kbuild: add -fcf-protection=none when using retpoline flags

* CVE-2019-12614
    - powerpc/pseries/dlpar: Fix a missing check in dlpar_parse_cc_property()

* Eoan update: v5.2.1 upstream stable release (LP: #1836622)
    - crypto: lrw - use correct alignmask
    - crypto: talitos - rename alternative AEAD algos.
    - fscrypt: don't set policy for a dead directory
    - udf: Fix incorrect final NOT_ALLOCATED (hole) extent length
    - media: stv0297: fix frequency range limit
    - ALSA: usb-audio: Fix parse of UAC2 Extension Units
    - ALSA: hda/realtek - Headphone Mic can't record after S3
    - tpm: Actually fail on TPM errors during "get random"
    - tpm: Fix TPM 1.2 Shutdown sequence to prevent future TPM operations
    - block: fix .bi_size overflow
    - block, bfq: NULL out the bic when it's no longer valid
    - perf intel-pt: Fix itrace defaults for perf script
    - perf auxtrace: Fix itrace defaults for perf script
    - perf intel-pt: Fix itrace defaults for perf script intel-pt documentation
    - perf pmu: Fix uncore PMU alias list for ARM64
    - perf thread-stack: Fix thread stack return from kernel for kernel-only case
    - perf header: Assign proper ff->ph in perf_event__synthesize_features()
    - x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()
    - x86/tls: Fix possible spectre-v1 in do_get_thread_area()
    - Documentation: Add section about CPU vulnerabilities for Spectre
    - Documentation/admin: Remove the vsyscall=native documentation
    - mwifiex: Don't abort on small, spec-compliant vendor IEs
    - USB: serial: ftdi_sio: add ID for isodebug v1
    - USB: serial: option: add support for GosunCn ME3630 RNDIS mode
    - Revert "serial: 8250: Don't service RX FIFO if interrupts are disabled"
    - p54usb: Fix race between disconnect and firmware loading
    - usb: gadget: f_fs: data_len used before properly set
    - usb: gadget: ether: Fix race between gether_disconnect and rx_submit
    - usb: dwc2: use a longer AHB idle timeout in dwc2_core_reset()
    - usb: renesas_usbhs: add a workaround for a race condition of workqueue
    - drivers/usb/typec/tps6598x.c: fix portinfo width
    - drivers/usb/typec/tps6598x.c: fix 4CC cmd write
    - p54: fix crash during initialization
    - staging: comedi: dt282x: fix a null pointer deref on interrupt
    - staging: wilc1000: fix error path cleanup in wilc_wlan_initialize()
    - staging: bcm2835-camera: Restore return behavior of ctrl_set_bitrate()
    - staging: comedi: amplc_pci230: fix null pointer deref on interrupt
    - staging: mt7621-pci: fix PCIE_FTS_NUM_LO macro
    - HID: Add another Primax PIXART OEM mouse quirk
    - lkdtm: support llvm-objcopy
    - binder: fix memory leak in error path
    - binder: return errors from buffer copy functions
    - iio: adc: stm32-adc: add missing vdda-supply
    - coresight: Potential uninitialized variable in probe()
    - coresight: etb10: Do not call smp_processor_id from preemptible
    - coresight: tmc-etr: Do not call smp_processor_id() from preemptible
    - coresight: tmc-etr: alloc_perf_buf: Do not call smp_processor_id from
      preemptible
    - coresight: tmc-etf: Do not call smp_processor_id from preemptible
    - carl9170: fix misuse of device driver API
    - Revert "x86/build: Move _etext to actual end of .text"
    - VMCI: Fix integer overflow in VMCI handle arrays
    - staging: vchiq_2835_arm: revert "quit using custom down_interruptible()"
    - staging: vchiq: make wait events interruptible
    - staging: vchiq: revert "switch to wait_for_completion_killable"
    - staging: fsl-dpaa2/ethsw: fix memory leak of switchdev_work
    - staging: bcm2835-camera: Replace spinlock protecting context_map with mutex
    - staging: bcm2835-camera: Ensure all buffers are returned on disable
    - staging: bcm2835-camera: Remove check of the number of buffers supplied
    - staging: bcm2835-camera: Handle empty EOS buffers whilst streaming
    - staging: rtl8712: reduce stack usage, again
    - Linux 5.2.1
    - [Config] updateconfigs after v5.2.1 stable update

* fcf-protection=none patch with upstream version
    - Revert "UBUNTU: SAUCE: add -fcf-protection=none to retpoline flags"
    - SAUCE: kbuild: add -fcf-protection=none to retpoline flags

* Miscellaneous Ubuntu changes
    - SAUCE: selftests/ftrace: avoid failure when trying to probe a notrace
      function
    - SAUCE: selftests/powerpc/ptrace: fix build failure
    - update dkms package versions
    - [Packaging] add zlua to zfs-modules.ignore
    - update dkms package versions

-- Seth Forshee <seth.forshee@canonical.com>  Tue, 30 Jul 2019 12:13:22 -0400

Changed in linux (Ubuntu):
status:	Confirmed → Fix Released

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Doing multiple squashfs (and other loop?) mounts in parallel breaks

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Ubuntulinux package

Doing multiple squashfs (and other loop?) mounts in parallel breaks

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Ubuntu
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