This bug was fixed in the package linux - 4.15.0-55.60
---------------
linux (4.15.0-55.60) bionic; urgency=medium
* linux: 4.15.0-55.60 -proposed tracker (LP: #1834954)
* Request backport of ceph commits into bionic (LP: #1834235)
- ceph: use atomic_t for ceph_inode_info::i_shared_gen
- ceph: define argument structure for handle_cap_grant
- ceph: flush pending works before shutdown super
- ceph: send cap releases more aggressively
- ceph: single workqueue for inode related works
- ceph: avoid dereferencing invalid pointer during cached readdir
- ceph: quota: add initial infrastructure to support cephfs quotas
- ceph: quota: support for ceph.quota.max_files
- ceph: quota: don't allow cross-quota renames
- ceph: fix root quota realm check
- ceph: quota: support for ceph.quota.max_bytes
- ceph: quota: update MDS when max_bytes is approaching
- ceph: quota: add counter for snaprealms with quota
- ceph: avoid iput_final() while holding mutex or in dispatch thread
* QCA9377 isn't being recognized sometimes (LP: #1757218)
- SAUCE: USB: Disable USB2 LPM at shutdown
* hns: fix ICMP6 neighbor solicitation messages discard problem (LP: #1833140)
- net: hns: fix ICMP6 neighbor solicitation messages discard problem
- net: hns: fix unsigned comparison to less than zero
* Fix occasional boot time crash in hns driver (LP: #1833138)
- net: hns: Fix probabilistic memory overwrite when HNS driver initialized
* use-after-free in hns_nic_net_xmit_hw (LP: #1833136)
- net: hns: fix KASAN: use-after-free in hns_nic_net_xmit_hw()
* hns: attempt to restart autoneg when disabled should report error
(LP: #1833147)
- net: hns: Restart autoneg need return failed when autoneg off
* systemd 237-3ubuntu10.14 ADT test failure on Bionic ppc64el (test-seccomp)
(LP: #1821625)
- powerpc: sys_pkey_alloc() and sys_pkey_free() system calls
- powerpc: sys_pkey_mprotect() system call
* [UBUNTU] pkey: Indicate old mkvp only if old and curr. mkvp are different
(LP: #1832625)
- pkey: Indicate old mkvp only if old and current mkvp are different
* [UBUNTU] kernel: Fix gcm-aes-s390 wrong scatter-gather list processing
(LP: #1832623)
- s390/crypto: fix gcm-aes-s390 selftest failures
* System crashes on hot adding a core with drmgr command (4.15.0-48-generic)
(LP: #1833716)
- powerpc/numa: improve control of topology updates
- powerpc/numa: document topology_updates_enabled, disable by default
* Kernel modules generated incorrectly when system is localized to a non-
English language (LP: #1828084)
- scripts: override locale from environment when running recordmcount.pl
* [UBUNTU] kernel: Fix wrong dispatching for control domain CPRBs
(LP: #1832624)
- s390/zcrypt: Fix wrong dispatching for control domain CPRBs
* CVE-2019-11815
- net: rds: force to destroy connection if t_sock is NULL in
rds_tcp_kill_sock().
* Sound device not detected after resume from hibernate (LP: #1826868)
- drm/i915: Force 2*96 MHz cdclk on glk/cnl when audio power is enabled
- drm/i915: Save the old CDCLK atomic state
- drm/i915: Remove redundant store of logical CDCLK state
- drm/i915: Skip modeset for cdclk changes if possible
* Handle overflow in proc_get_long of sysctl (LP: #1833935)
- sysctl: handle overflow in proc_get_long
* Dell XPS 13 (9370) defaults to s2idle sleep/suspend instead of deep, NVMe
drains lots of power under s2idle (LP: #1808957)
- Revert "UBUNTU: SAUCE: pci/nvme: prevent WDC PC SN720 NVMe from entering
D3
and being disabled"
- Revert "UBUNTU: SAUCE: nvme: add quirk to not call disable function when
suspending"
- Revert "UBUNTU: SAUCE: pci: prevent Intel NVMe SSDPEKKF from entering D3"
- Revert "SAUCE: nvme: add quirk to not call disable function when
suspending"
- Revert "SAUCE: pci: prevent sk hynix nvme from entering D3"
- PCI: PM: Avoid possible suspend-to-idle issue
- PCI: PM: Skip devices in D0 for suspend-to-idle
- nvme-pci: Sync queues on reset
- nvme: Export get and set features
- nvme-pci: Use host managed power state for suspend
* linux v4.15 ftbfs on a newer host kernel (e.g. hwe) (LP: #1823429)
- selinux: use kernel linux/socket.h for genheaders and mdp
* 32-bit x86 kernel 4.15.0-50 crash in vmalloc_sync_all (LP: #1830433)
- x86/mm/pat: Disable preemption around __flush_tlb_all()
- x86/mm: Drop usage of __flush_tlb_all() in kernel_physical_mapping_init()
- x86/mm: Disable ioremap free page handling on x86-PAE
- ioremap: Update pgtable free interfaces with addr
- x86/mm: Add TLB purge to free pmd/pte page interfaces
- x86/init: fix build with CONFIG_SWAP=n
- x86/mm: provide pmdp_establish() helper
- x86/mm: Use WRITE_ONCE() when setting PTEs
* hinic: fix oops due to race in set_rx_mode (LP: #1832048)
- hinic: fix a bug in set rx mode
* ubuntu 18.04 flickering screen with Radeon X1600 (LP: #1791312)
- drm/radeon: prefer lower reference dividers
* Login screen never appears on vmwgfx using bionic kernel 4.15 (LP: #1832138)
- drm/vmwgfx: use monotonic event timestamps
* [linux-azure] Block Layer Commits Requested in Azure Kernels (LP: #1834499)
- block: Clear kernel memory before copying to user
- block/bio: Do not zero user pages
* CONFIG_LOG_BUF_SHIFT set to 14 is too low on arm64 (LP: #1824864)
- [Config] CONFIG_LOG_BUF_SHIFT=18 on all 64bit arches
* Handle overflow for file-max (LP: #1834310)
- sysctl: handle overflow for file-max
- kernel/sysctl.c: fix out-of-bounds access when setting file-max
* [ALSA] [PATCH] Headset fixup for System76 Gazelle (gaze14) (LP: #1827555)
- ALSA: hda/realtek - Headset fixup for System76 Gazelle (gaze14)
- ALSA: hda/realtek - Corrected fixup for System76 Gazelle (gaze14)
* crashdump fails on HiSilicon D06 (LP: #1828868)
- iommu/arm-smmu-v3: Abort all transactions if SMMU is enabled in kdump
kernel
- iommu/arm-smmu-v3: Don't disable SMMU in kdump kernel
* CVE-2019-11833
- ext4: zero out the unused memory region in the extent tree block
* zfs 0.7.9 fixes a bug (https://github.com/zfsonlinux/zfs/pull/7343) that
hangs the system completely (LP: #1772412)
- SAUCE: (noup) Update zfs to 0.7.5-1ubuntu16.6
* does not detect headphone when there is no other output devices
(LP: #1831065)
- ALSA: hda/realtek - Fixed hp_pin no value
- ALSA: hda/realtek - Use a common helper for hp pin reference
* kernel crash : net_sched race condition in tcindex_destroy() (LP: #1825942)
- net_sched: fix NULL pointer dereference when delete tcindex filter
- RCU, workqueue: Implement rcu_work
- net_sched: switch to rcu_work
- net_sched: fix a race condition in tcindex_destroy()
- net_sched: fix a memory leak in cls_tcindex
- net_sched: initialize net pointer inside tcf_exts_init()
- net_sched: fix two more memory leaks in cls_tcindex
* Support new ums-realtek device (LP: #1831840)
- USB: usb-storage: Add new ID to ums-realtek
* amd_iommu possible data corruption (LP: #1823037)
- iommu/amd: Reserve exclusion range in iova-domain
- iommu/amd: Set exclusion range correctly
* Add new sound card PCIID into the alsa driver (LP: #1832299)
- ALSA: hda: Add Icelake PCI ID
- ALSA: hda/intel: add CometLake PCI IDs
* sky2 ethernet card doesn't work after returning from suspend
(LP: #1807259) // sky2 ethernet card link not up after suspend
(LP: #1809843)
- sky2: Disable MSI on Dell Inspiron 1545 and Gateway P-79
* idle-page oopses when accessing page frames that are out of range
(LP: #1833410)
- mm/page_idle.c: fix oops because end_pfn is larger than max_pfn
* Add pointstick support on HP ZBook 17 G5 (LP: #1833387)
- Revert "HID: multitouch: Support ALPS PTP stick with pid 0x120A"
- SAUCE: HID: multitouch: Add pointstick support for ALPS Touchpad
* [SRU][B/B-OEM/B-OEM-OSP-1/C/D/E] Add trackpoint middle button support of 2
new thinpads (LP: #1833637)
- Input: elantech - enable middle button support on 2 ThinkPads
* CVE-2019-11085
- drm/i915/gvt: Fix mmap range check
- drm/i915: make mappable struct resource centric
- drm/i915/gvt: Fix aperture read/write emulation when enable x-no-mmap=on
* CVE-2019-11884
- Bluetooth: hidp: fix buffer overflow
* af_alg06 test from crypto test suite in LTP failed with kernel oops on B/C
(LP: #1829725)
- crypto: authenc - fix parsing key with misaligned rta_len
* CVE-2018-12126 // CVE-2018-12127 // CVE-2018-12130 // CVE-2019-11091
- SAUCE: Synchronize MDS mitigations with upstream
- Documentation: Correct the possible MDS sysfs values
- x86/speculation/mds: Fix documentation typo
* CVE-2019-11091
- x86/mds: Add MDSUM variant to the MDS documentation
* alignment test in powerpc from ubuntu_kernel_selftests failed on B/C Power9
(LP: #1813118)
- selftests/powerpc: Remove Power9 copy_unaligned test
* TRACE_syscall.ptrace_syscall_dropped in seccomp from ubuntu_kernel_selftests
failed on B/C PowerPC (LP: #1812796)
- selftests/seccomp: Enhance per-arch ptrace syscall skip tests
* Add powerpc/alignment_handler test for selftests (LP: #1828935)
- selftests/powerpc: Add alignment handler selftest
- selftests/powerpc: Fix to use ucontext_t instead of struct ucontext
* Cannot build kernel 4.15.0-48.51 due to an in-source-tree ZFS module.
(LP: #1828763)
- SAUCE: (noup) Update zfs to 0.7.5-1ubuntu16.5
* Eletrical noise occurred when external headset enter powersaving mode on a
DEll machine (LP: #1828798)
- ALSA: hda/realtek - Reduce click noise on Dell Precision 5820 headphone
- ALSA: hda/realtek - Fixup headphone noise via runtime suspend
* [18.04/18.10] File libperf-jvmti.so is missing in linux-tools-common deb on
Ubuntu (LP: #1761379)
- [Packaging] Support building libperf-jvmti.so
* TCP : race condition on socket ownership in tcp_close() (LP: #1830813)
- tcp: do not release socket ownership in tcp_close()
* bionic: netlink: potential shift overflow in netlink_bind() (LP: #1831103)
- netlink: Don't shift on 64 for ngroups
* Add support to Comet Lake LPSS (LP: #1830175)
- mfd: intel-lpss: Add Intel Comet Lake PCI IDs
* Reduce NAPI weight in hns driver from 256 to 64 (LP: #1830587)
- net: hns: Use NAPI_POLL_WEIGHT for hns driver
* x86: add support for AMD Rome (LP: #1819485)
- x86: irq_remapping: Move irq remapping mode enum
- iommu/amd: Add support for higher 64-bit IOMMU Control Register
- iommu/amd: Add support for IOMMU XT mode
- hwmon/k10temp, x86/amd_nb: Consolidate shared device IDs
- hwmon/k10temp: Add support for AMD family 17h, model 30h CPUs
- x86/amd_nb: Add PCI device IDs for family 17h, model 30h
- x86/MCE/AMD: Fix the thresholding machinery initialization order
- x86/amd_nb: Add support for newer PCI topologies
* nx842 - CRB request time out (-110) when uninstall NX modules and initiate
NX request (LP: #1827755)
- crypto/nx: Initialize 842 high and normal RxFIFO control registers
* Require improved hypervisor detection patch in Ubuntu 18.04 (LP: #1829972)
- s390/early: improve machine detection
-- Kleber Sacilotto de Souza <kleber.so...@canonical.com> Tue, 02 Jul
2019 18:41:49 +0200
** Changed in: linux (Ubuntu Bionic)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-12126
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-12127
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-12130
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-11085
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-11091
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-11815
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-11833
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-11884
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https://bugs.launchpad.net/bugs/1813118
Title:
alignment test in powerpc from ubuntu_kernel_selftests failed on B/C
Power9
Status in ubuntu-kernel-tests:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Status in linux source package in Cosmic:
Fix Committed
Bug description:
== Justification ==
The copy_unaligned / paste_unaligned / paste_last_unaligned test in
powerpc/alignment will fail on a Power9 node as which implements ISA 3.0B, but
the test was designed base on ISA 3.0.
From the commit message:
This is a test of the ISA 3.0 "copy" instruction. That instruction has
an L field, which if set to 1 specifies that "the instruction
identifies the beginning of a move group" (pp 858). That's also
referred to as "copy first" vs "copy".
In ISA 3.0B the copy instruction does not have an L field, and the
corresponding bit in the instruction must be set to 1.
This test is generating a "copy" instruction, not a "copy first", and
so on Power9 (which implements 3.0B), this results in an illegal
instruction.
So just drop the test entirely. We still have copy_first_unaligned to
test the "copy first" behaviour.
== Fix ==
* 83039f22 (selftests/powerpc: Remove Power9 copy_unaligned test)
Patch can be cherry-picked into C, for Bionic it needs patches for bug
1828935 to land first (8d191587) to make it a clean cherry-pick.
It's already landed in D and onward.
== Test ==
Tested on a Power9 server with Cosmic, the broken tests will be removed
correctly.
== Regression Potential ==
Low.
Code change limited to testing tools and just removing broken tests. We still
have copy_first_unaligned to test the "copy first" behaviour.
== Original Bug Report ==
This issue was only spotted on Power9 system "balter", for Power8 system, it
has passed (skipped, and marked as passed) with this test:
TAP version 13
selftests: copy_unaligned
========================================
test: test_copy_unaligned
tags: git_version:unknown
!! child died by signal 4
failure: test_copy_unaligned
not ok 1..1 selftests: copy_unaligned [FAIL]
selftests: copy_first_unaligned
========================================
test: test_copy_first_unaligned
tags: git_version:unknown
success: test_copy_first_unaligned
ok 1..2 selftests: copy_first_unaligned [PASS]
selftests: paste_unaligned
========================================
test: test_paste_unaligned
tags: git_version:unknown
!! child died by signal 4
failure: test_paste_unaligned
not ok 1..3 selftests: paste_unaligned [FAIL]
selftests: paste_last_unaligned
========================================
test: test_paste_last_unaligned
tags: git_version:unknown
!! child died by signal 4
failure: test_paste_last_unaligned
not ok 1..4 selftests: paste_last_unaligned [FAIL]
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-43-generic 4.15.0-43.46
ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
Uname: Linux 4.15.0-43-generic ppc64le
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Jan 24 06:50 seq
crw-rw---- 1 root audio 116, 33 Jan 24 06:50 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: ppc64el
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Date: Thu Jan 24 07:05:20 2019
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0451:80ff Texas Instruments, Inc.
Bus 001 Device 004: ID 0557:2419 ATEN International Co., Ltd
Bus 001 Device 002: ID 0557:7000 ATEN International Co., Ltd Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
PciMultimedia:
ProcFB: 0 astdrmfb
ProcKernelCmdLine: root=UUID=acd1a0d7-f6fc-4130-928c-c8b11ad6e4be ro
console=hvc0
ProcLoadAvg: 1.24 0.89 0.66 3/1412 8319
ProcLocks:
1: POSIX ADVISORY WRITE 3876 00:17:569 0 EOF
2: FLOCK ADVISORY WRITE 3556 00:17:497 0 EOF
3: FLOCK ADVISORY WRITE 4090 00:17:596 0 EOF
4: POSIX ADVISORY WRITE 3955 00:17:571 0 EOF
5: POSIX ADVISORY WRITE 1823 00:17:348 0 EOF
ProcSwaps:
Filename Type Size Used Priority
/swap.img file 8388544 0 -2
ProcVersion: Linux version 4.15.0-43-generic (buildd@bos02-ppc64el-020) (gcc
version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #46-Ubuntu SMP Thu Dec 6 14:43:28 UTC
2018
RelatedPackageVersions:
linux-restricted-modules-4.15.0-43-generic N/A
linux-backports-modules-4.15.0-43-generic N/A
linux-firmware 1.173.3
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
VarLogDump_list: total 0
cpu_cores: Number of cores present = 40
cpu_coreson: Number of cores online = 40
cpu_dscr: DSCR is 3
cpu_freq:
min: 2.862 GHz (cpu 159)
max: 2.863 GHz (cpu 1)
avg: 2.862 GHz
cpu_runmode:
Could not retrieve current diagnostics mode,
No kernel interface to firmware
cpu_smt: SMT=4
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