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[Bug 1741934] Re: Kernel trace with xenial 4.4 (4.4.0-108.131, Candidate kernels for PTI fix)

 

** No longer affects: linux (Ubuntu Trusty)

** Changed in: linux (Ubuntu)
       Status: In Progress => Fix Committed

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https://bugs.launchpad.net/bugs/1741934

Title:
  Kernel trace with xenial 4.4  (4.4.0-108.131, Candidate kernels for
  PTI fix)

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Xenial:
  Fix Committed

Bug description:
  [Description]

  When using PPA https://launchpad.net/~canonical-kernel-
  team/+archive/ubuntu/pti/ to fetch the candidate kernels for
  CVE-2017-5754, CVE-2017-5715 and CVE-2017-5753. There is the same
  kernel trace shown in many different pre-installed Ubuntu images of
  different platform.

  So far these platform are known to reproduce this issue:

  CID 201606-22340 (Dell Vostro 5468)
  CID 201606-22349 (Dell Inspiron 7560)
  CID 201606-22365 (Dell Inspiron 5767)

  [Steps to Reproduce]

  1. Install the target pre-installed image (Xenial 4.4-based stack) for the platform.
  2. Fetch the kernel 4.4.0-108.131 from this PPA https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/pti/
  3. Update the system by "sudo apt-get dist-upgrade"
  4. After the system update, reboot it.
  5. Check the syslog after the system is ready to use again.

  [Expected Result]

  No kernel trace message.

  [Actual Result]

  Kernel trace message as:

  Jan  9 00:33:33 201606-22365 kernel: [   37.701226] ------------[ cut here ]------------
  Jan  9 00:33:33 201606-22365 kernel: [   37.701243] kernel BUG at /build/linux-J4_1pC/linux-4.4.0/mm/slub.c:3627!
  Jan  9 00:33:33 201606-22365 kernel: [   37.701261] invalid opcode: 0000 [#1] SMP
  Jan  9 00:33:33 201606-22365 kernel: [   37.701273] Modules linked in: nvram msr bnep rtsx_usb_ms memstick hid_multitouch uvcvideo i2c_designware_platform i2c_designware_core ath3k videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev media btusb dell_wmi sparse_keymap btrtl snd_hda_codec_hdmi(OE) dell_led snd_hda_codec_realtek(OE) snd_hda_codec_generic(OE) dell_laptop dcdbas snd_hda_intel(OE) snd_hda_codec(OE) snd_hwdep dell_smm_hwmon intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp snd_soc_skl_ipc snd_hda_ext_core(OE) snd_hda_core(OE) snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_core kvm_intel snd_compress kvm irqbypass ac97_bus crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_pcm_dmaengine aesni_intel snd_pcm aes_x86_64 snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq arc4 lrw ath9k ath9k_common snd_seq_device ath9k_hw gf128mul glue_helper snd_timer ath mac80211 cfg80211 hci_uart btbcm btqca btintel ablk_helper joydev input_leds cryptd serio_raw bluetooth snd mei_me soundcore mei tpm_crb shpchp idma64 dw_dmac_core virt_dma dell_rbtn int3403_thermal acpi_pad processor_thermal_device int3402_thermal int340x_thermal_zone int3400_thermal intel_soc_dts_iosf intel_lpss_acpi intel_lpss_pci acpi_thermal_rel intel_lpss mac_hid acpi_als kfifo_buf industrialio parport_pc ppdev lp parport autofs4 btrfs xor raid6_pq dm_mirror dm_region_hash dm_log mmc_block rtsx_usb_sdmmc rtsx_usb uas usb_storage i915_bpo intel_ips i2c_algo_bit drm_kms_helper psmouse syscopyarea sysfillrect sysimgblt fb_sys_fops r8169 drm ahci mii libahci wmi i2c_hid hid pinctrl_sunrisepoint video pinctrl_intel fjes
  Jan  9 00:33:33 201606-22365 kernel: [   37.701735] CPU: 3 PID: 21 Comm: watchdog/3 Tainted: G           OE   4.4.0-108-generic #131-Ubuntu
  Jan  9 00:33:33 201606-22365 kernel: [   37.701756] Hardware name: Dell Inc. Inspiron 5767/      , BIOS 1.0.0 07/14/2016
  Jan  9 00:33:33 201606-22365 kernel: [   37.701774] task: ffff880169df6900 ti: ffff880169a1c000 task.ti: ffff880169a1c000
  Jan  9 00:33:33 201606-22365 kernel: [   37.701792] RIP: 0010:[<ffffffff811f00a7>]  [<ffffffff811f00a7>] kfree+0x147/0x150
  Jan  9 00:33:33 201606-22365 kernel: [   37.701814] RSP: 0018:ffff880169a1fd58  EFLAGS: 00010246
  Jan  9 00:33:33 201606-22365 kernel: [   37.701827] RAX: ffffea0005bd0120 RBX: ffff88016f404840 RCX: ffff88016f7fa220
  Jan  9 00:33:33 201606-22365 kernel: [   37.701843] RDX: ffffea0005a64420 RSI: ffffea0005a64820 RDI: ffffea0005bd0100
  Jan  9 00:33:33 201606-22365 kernel: [   37.701860] RBP: ffff880169a1fd70 R08: 0000000000000009 R09: ff80003fffffffff
  Jan  9 00:33:33 201606-22365 kernel: [   37.701877] R10: ffffea0005bd0100 R11: 0000000000000001 R12: 0000000000000000
  Jan  9 00:33:33 201606-22365 kernel: [   37.701893] R13: ffffffff810104ff R14: ffffffff81f3c840 R15: 0000000000000000
  Jan  9 00:33:33 201606-22365 kernel: [   37.701910] FS:  0000000000000000(0000) GS:ffff88016f580000(0000) knlGS:0000000000000000
  Jan  9 00:33:33 201606-22365 kernel: [   37.701929] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jan  9 00:33:33 201606-22365 kernel: [   37.701943] CR2: 0000557a57f940d0 CR3: 0000000002e0a000 CR4: 0000000000360670
  Jan  9 00:33:33 201606-22365 kernel: [   37.701961] Stack:
  Jan  9 00:33:33 201606-22365 kernel: [   37.701966]  0000000000000000 0000000000000000 000000000000d440 ffff880169a1fda0
  Jan  9 00:33:33 201606-22365 kernel: [   37.701987]  ffffffff810104ff 0000000000000004 0000000000000186 0000000000000003
  Jan  9 00:33:33 201606-22365 kernel: [   37.702007]  0000000000000003 ffff880169a1fdc0 ffffffff8100608f ffff880169a40000
  Jan  9 00:33:33 201606-22365 kernel: [   37.702027] Call Trace:
  Jan  9 00:33:33 201606-22365 kernel: [   37.702036]  [<ffffffff810104ff>] release_ds_buffers+0xbf/0xd0
  Jan  9 00:33:33 201606-22365 kernel: [   37.702052]  [<ffffffff8100608f>] x86_release_hardware+0x8f/0xa0
  Jan  9 00:33:33 201606-22365 kernel: [   37.702067]  [<ffffffff810060ae>] hw_perf_event_destroy+0xe/0x20
  Jan  9 00:33:33 201606-22365 kernel: [   37.702082]  [<ffffffff81183746>] _free_event+0xb6/0x230
  Jan  9 00:33:33 201606-22365 kernel: [   37.702095]  [<ffffffff81183983>] put_event+0xc3/0x100
  Jan  9 00:33:33 201606-22365 kernel: [   37.702108]  [<ffffffff811839c9>] perf_event_release_kernel+0x9/0x10
  Jan  9 00:33:33 201606-22365 kernel: [   37.702125]  [<ffffffff8113ccae>] watchdog_nmi_disable+0x4e/0x70
  Jan  9 00:33:33 201606-22365 kernel: [   37.702141]  [<ffffffff810a4b00>] ? sort_range+0x30/0x30
  Jan  9 00:33:33 201606-22365 kernel: [   37.702154]  [<ffffffff8113cd2c>] watchdog_disable+0x5c/0x80
  Jan  9 00:33:33 201606-22365 kernel: [   37.702169]  [<ffffffff810a4be8>] smpboot_thread_fn+0xe8/0x160
  Jan  9 00:33:33 201606-22365 kernel: [   37.702184]  [<ffffffff810a1845>] kthread+0xe5/0x100
  Jan  9 00:33:33 201606-22365 kernel: [   37.702196]  [<ffffffff810a1760>] ? kthread_create_on_node+0x1e0/0x1e0
  Jan  9 00:33:33 201606-22365 kernel: [   37.702214]  [<ffffffff81844a0f>] ret_from_fork+0x3f/0x70
  Jan  9 00:33:33 201606-22365 kernel: [   37.702228]  [<ffffffff810a1760>] ? kthread_create_on_node+0x1e0/0x1e0
  Jan  9 00:33:33 201606-22365 kernel: [   37.702243] Code: 4c 89 d7 e8 9c 83 fa ff eb 8c 41 b8 01 00 00 00 48 89 d9 48 89 da 4c 89 d6 e8 06 fc ff ff e9 73 ff ff ff 49 8b 42 20 a8 01 75 c7 <0f> 0b 0f 1f 80 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 41
  Jan  9 00:33:33 201606-22365 kernel: [   37.702339] RIP  [<ffffffff811f00a7>] kfree+0x147/0x150
  Jan  9 00:33:33 201606-22365 kernel: [   37.702354]  RSP <ffff880169a1fd58>
  Jan  9 00:33:33 201606-22365 kernel: [   37.706621] ---[ end trace ffe2cc0d7dbd1511 ]---

  [More Information]

   - Similar kernel oops was found with 4.4.0-108.131~14.04.1

   - Package info:

  ubuntu@201606-22365:~$ uname -a
  Linux 201606-22365 4.4.0-108-generic #131-Ubuntu SMP Sun Jan 7 14:34:49 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
  ubuntu@201606-22365:~$ dpkg -l *4.4.0-108*
  Desired=Unknown/Install/Remove/Purge/Hold
  | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
  |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
  ||/ Name                                          Version                     Architecture                Description
  +++-=============================================-===========================-===========================-===============================================================================================
  ii  linux-headers-4.4.0-108                       4.4.0-108.131               all                         Header files related to Linux kernel version 4.4.0
  ii  linux-headers-4.4.0-108-generic               4.4.0-108.131               amd64                       Linux kernel headers for version 4.4.0 on 64 bit x86 SMP
  ii  linux-image-4.4.0-108-generic                 4.4.0-108.131               amd64                       Linux kernel image for version 4.4.0 on 64 bit x86 SMP
  ii  linux-image-extra-4.4.0-108-generic           4.4.0-108.131               amd64                       Linux kernel extra modules for version 4.4.0 on 64 bit x86 SMP
  ii  linux-signed-image-4.4.0-108-generic          4.4.0-108.131               amd64                       Signed kernel image generic
  ii  linux-tools-4.4.0-108                         4.4.0-108.131               amd64                       Linux kernel version specific tools for version 4.4.0-108
  ii  linux-tools-4.4.0-108-generic                 4.4.0-108.131               amd64                       Linux kernel version specific tools for version 4.4.0-108
  ubuntu@201606-22365:~$
  ---
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1829 F.... pulseaudio
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-xenial-amd64-20160624-2
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=5fe63e33-b771-4a7d-a00e-e1d4d3c541dc
  InstallationDate: Installed on 2018-01-08 (0 days ago)
  InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47
  MachineType: Dell Inc. Inspiron 7560
  NonfreeKernelModules: nvidia_drm nvidia_modeset nvidia
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-108-generic.efi.signed root=UUID=4c76b3fe-0760-4b25-ae25-5fde1ea8f828 ro automatic-oem-config quiet splash
  ProcVersionSignature: Ubuntu 4.4.0-108.131-generic 4.4.98
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-108-generic N/A
   linux-backports-modules-4.4.0-108-generic  N/A
   linux-firmware                             1.157.15
  Tags:  xenial
  Uname: Linux 4.4.0-108-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 07/18/2016
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.0.1
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.0.1:bd07/18/2016:svnDellInc.:pnInspiron7560:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct9:cvr:
  dmi.product.name: Inspiron 7560
  dmi.sys.vendor: Dell Inc.

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