Trusty is affected. Tested the kernel 4.4.0-108.131~14.04.1 with these platforms and their pre-installed images: - CID 201603-21231 (Dell Latitude E5414) - And many platforms
[Kernel Message] Jan 8 23:00:15 201603-21231 kernel: [ 24.201794] ------------[ cut here ]------------ Jan 8 23:00:15 201603-21231 kernel: [ 24.201814] kernel BUG at /build/linux-lts-xenial-5Z_8Kc/linux-lts-xenial-4.4.0/mm/slub.c:3627! Jan 8 23:00:15 201603-21231 kernel: [ 24.201840] invalid opcode: 0000 [#1] SMP Jan 8 23:00:15 201603-21231 kernel: [ 24.201855] Modules linked in: nvram msr bnep rfcomm snd_soc_skl snd_hda_codec_hdmi snd_soc_skl_ipc intel_rapl snd_hda_ext_core snd_soc_sst_ipc dell_led x86_pkg_temp_thermal intel_powerclamp snd_soc_sst_dsp snd_soc_core coretemp snd_compress cdc_mbim cdc_wdm qcserial ac97_bus cdc_ncm usb_wwan snd_hda_codec_realtek snd_hda_codec_generic kvm_intel usbnet usbserial btusb snd_pcm_dmaengine mii dw_dmac_core btrtl kvm snd_hda_intel snd_hda_codec irqbypass snd_hda_core dell_laptop dcdbas snd_hwdep crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 snd_pcm lrw hci_uart gf128mul btbcm(OE) dell_smm_hwmon brcmfmac(OE) snd_seq_midi snd_seq_midi_event btqca btintel dell_wmi snd_rawmidi glue_helper bluetooth ablk_helper snd_seq cryptd brcmutil(OE) dm_multipath cfg80211(OE) acpi_als kfifo_buf i2c_hid snd_seq_device mei_me joydev input_leds snd_timer compat(OE) ppdev serio_raw parport_pc lp parport industrialio snd hid mei intel_vbtn dell_smo8800 shpchp 8250_fintek soc_button_array sparse_keymap acpi_pad tpm_crb pinctrl_sunrisepoint pinctrl_intel mac_hid intel_lpss_acpi intel_lpss soundcore dell_rbtn(OE) btrfs xor raid6_pq dm_mirror dm_region_hash dm_log uas usb_storage i915_bpo intel_ips i2c_algo_bit drm_kms_helper syscopyarea sysfillrect e1000e sysimgblt fb_sys_fops psmouse ptp drm pps_core ahci libahci wmi video fjes Jan 8 23:00:15 201603-21231 kernel: [ 24.202296] CPU: 3 PID: 21 Comm: watchdog/3 Tainted: G OE 4.4.0-108-generic #131~14.04.1-Ubuntu Jan 8 23:00:15 201603-21231 kernel: [ 24.202326] Hardware name: Dell Inc. Latitude 5414/0992HR, BIOS 1.0.0 05/04/2016 Jan 8 23:00:15 201603-21231 kernel: [ 24.202349] task: ffff8801485f6900 ti: ffff880148200000 task.ti: ffff880148200000 Jan 8 23:00:15 201603-21231 kernel: [ 24.202372] RIP: 0010:[<ffffffff811e217a>] [<ffffffff811e217a>] kfree+0x14a/0x150 Jan 8 23:00:15 201603-21231 kernel: [ 24.202398] RSP: 0018:ffff880148203d60 EFLAGS: 00010246 Jan 8 23:00:15 201603-21231 kernel: [ 24.202415] RAX: ffffea0005370120 RBX: ffff88014dc04840 RCX: ffffea0005204820 Jan 8 23:00:15 201603-21231 kernel: [ 24.202436] RDX: 000077ff80000000 RSI: ffffea0005204000 RDI: ffff88014dc04840 Jan 8 23:00:15 201603-21231 kernel: [ 24.202457] RBP: ffff880148203d78 R08: 0000160000000000 R09: ffffea0005204000 Jan 8 23:00:15 201603-21231 kernel: [ 24.202478] R10: 0000000000000001 R11: ffffea0005370100 R12: 0000000000000000 Jan 8 23:00:15 201603-21231 kernel: [ 24.202499] R13: ffffffff8100eb19 R14: 0000000000000003 R15: 0000000000000000 Jan 8 23:00:15 201603-21231 kernel: [ 24.202521] FS: 0000000000000000(0000) GS:ffff88014dd80000(0000) knlGS:0000000000000000 Jan 8 23:00:15 201603-21231 kernel: [ 24.202545] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jan 8 23:00:15 201603-21231 kernel: [ 24.202562] CR2: 00007f6fb630b0d0 CR3: 0000000002e0c000 CR4: 0000000000360670 Jan 8 23:00:15 201603-21231 kernel: [ 24.202584] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jan 8 23:00:15 201603-21231 kernel: [ 24.202606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Jan 8 23:00:15 201603-21231 kernel: [ 24.202627] Stack: Jan 8 23:00:15 201603-21231 kernel: [ 24.202634] 0000000000000000 0000000000000000 ffffffff81f3ed00 ffff880148203d88 Jan 8 23:00:15 201603-21231 kernel: [ 24.202658] ffffffff8100eb19 ffff880148203db0 ffffffff8100f9e3 0000000000000004 Jan 8 23:00:15 201603-21231 kernel: [ 24.202683] 0000000000000186 0000000000000003 ffff880148203dd0 ffffffff81005cef Jan 8 23:00:15 201603-21231 kernel: [ 24.202707] Call Trace: Jan 8 23:00:15 201603-21231 kernel: [ 24.202718] [<ffffffff8100eb19>] release_ds_buffer+0x39/0x40 Jan 8 23:00:15 201603-21231 kernel: [ 24.202736] [<ffffffff8100f9e3>] release_ds_buffers+0x73/0xb0 Jan 8 23:00:15 201603-21231 kernel: [ 24.202756] [<ffffffff81005cef>] x86_release_hardware+0x8f/0xa0 Jan 8 23:00:15 201603-21231 kernel: [ 24.202780] [<ffffffff81005d0e>] hw_perf_event_destroy+0xe/0x20 Jan 8 23:00:15 201603-21231 kernel: [ 24.202800] [<ffffffff81179594>] _free_event+0xb4/0x230 Jan 8 23:00:15 201603-21231 kernel: [ 24.202817] [<ffffffff811797d9>] put_event+0xc9/0x100 Jan 8 23:00:15 201603-21231 kernel: [ 24.202839] [<ffffffff81179819>] perf_event_release_kernel+0x9/0x10 Jan 8 23:00:15 201603-21231 kernel: [ 24.202865] [<ffffffff811348ce>] watchdog_nmi_disable+0x4e/0x70 Jan 8 23:00:15 201603-21231 kernel: [ 24.202886] [<ffffffff810a0d60>] ? sort_range+0x30/0x30 Jan 8 23:00:15 201603-21231 kernel: [ 24.202903] [<ffffffff8113493d>] watchdog_disable+0x4d/0x60 Jan 8 23:00:15 201603-21231 kernel: [ 24.202921] [<ffffffff810a0e52>] smpboot_thread_fn+0xf2/0x170 Jan 8 23:00:15 201603-21231 kernel: [ 24.202940] [<ffffffff8109d936>] kthread+0xd6/0xf0 Jan 8 23:00:15 201603-21231 kernel: [ 24.202956] [<ffffffff8109d860>] ? kthread_park+0x60/0x60 Jan 8 23:00:15 201603-21231 kernel: [ 24.202974] [<ffffffff818107cf>] ret_from_fork+0x3f/0x70 Jan 8 23:00:15 201603-21231 kernel: [ 24.202991] [<ffffffff8109d860>] ? kthread_park+0x60/0x60 Jan 8 23:00:15 201603-21231 kernel: [ 24.203007] Code: 8b 03 31 f6 f6 c4 40 74 04 41 8b 73 6c 4c 89 df e8 cc c3 fa ff e9 73 ff ff ff 4c 8d 58 ff e9 20 ff ff ff 49 8b 43 20 a8 01 75 d4 <0f> 0b 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 Jan 8 23:00:15 201603-21231 kernel: [ 24.204034] RIP [<ffffffff811e217a>] kfree+0x14a/0x150 Jan 8 23:00:15 201603-21231 kernel: [ 24.204985] RSP <ffff880148203d60> Jan 8 23:00:15 201603-21231 kernel: [ 24.209973] ---[ end trace 8503461eea4dc42f ]--- Jan 8 23:00:15 201603-21231 polkitd[1281]: started daemon version 0.105 using authority implementation `local' version `0.105' Jan 8 23:00:15 201603-21231 dbus[857]: [system] Successfully activated service 'org.freedesktop.PolicyKit1' Jan 8 23:00:15 201603-21231 NetworkManager[1272]: SCPlugin-Ifupdown: init! Jan 8 23:00:15 201603-21231 NetworkManager[1272]: SCPlugin-Ifupdown: update_system_hostname ubuntu@201603-21231:~$ uname -a Linux 201603-21231 4.4.0-108-generic #131~14.04.1-Ubuntu SMP Sun Jan 7 15:54:10 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux ubuntu@201603-21231:~$ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1741934 Title: Kernel panic with xenial 4.4 stack (4.4.0-108.131, Candidate kernels for PTI fix) Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: In Progress 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 panic shown in many different pre-installed Ubuntu images of different platform. So far these platform are known to reproduce this issue: 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 panic message. [Actual Result] Kernel panic 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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