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Message #30202
[Bug 1813244] Re: systemd cause kernel trace "BUG: unable to handle kernel paging request at 6db23a14" on Cosmic i386
This bug was fixed in the package linux - 4.18.0-20.21
---------------
linux (4.18.0-20.21) cosmic; urgency=medium
* CVE-2018-12126 // CVE-2018-12127 // CVE-2018-12130
- Documentation/l1tf: Fix small spelling typo
- x86/cpu: Sanitize FAM6_ATOM naming
- kvm: x86: Report STIBP on GET_SUPPORTED_CPUID
- locking/atomics, asm-generic: Move some macros from <linux/bitops.h> to a
new <linux/bits.h> file
- tools include: Adopt linux/bits.h
- x86/msr-index: Cleanup bit defines
- x86/speculation: Consolidate CPU whitelists
- x86/speculation/mds: Add basic bug infrastructure for MDS
- x86/speculation/mds: Add BUG_MSBDS_ONLY
- x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests
- x86/speculation/mds: Add mds_clear_cpu_buffers()
- x86/speculation/mds: Clear CPU buffers on exit to user
- x86/kvm/vmx: Add MDS protection when L1D Flush is not active
- x86/speculation/mds: Conditionally clear CPU buffers on idle entry
- x86/speculation/mds: Add mitigation control for MDS
- x86/speculation/mds: Add sysfs reporting for MDS
- x86/speculation/mds: Add mitigation mode VMWERV
- Documentation: Move L1TF to separate directory
- Documentation: Add MDS vulnerability documentation
- x86/speculation/mds: Add mds=full,nosmt cmdline option
- x86/speculation: Move arch_smt_update() call to after mitigation decisions
- x86/speculation/mds: Add SMT warning message
- x86/speculation/mds: Fix comment
- x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off
- x86/speculation/mds: Add 'mitigations=' support for MDS
* CVE-2017-5715 // CVE-2017-5753
- s390/speculation: Support 'mitigations=' cmdline option
* CVE-2017-5715 // CVE-2017-5753 // CVE-2017-5754 // CVE-2018-3639
- powerpc/speculation: Support 'mitigations=' cmdline option
* CVE-2017-5715 // CVE-2017-5754 // CVE-2018-3620 // CVE-2018-3639 //
CVE-2018-3646
- cpu/speculation: Add 'mitigations=' cmdline option
- x86/speculation: Support 'mitigations=' cmdline option
* Packaging resync (LP: #1786013)
- [Packaging] resync git-ubuntu-log
linux (4.18.0-19.20) cosmic; urgency=medium
* linux: 4.18.0-19.20 -proposed tracker (LP: #1826171)
* Packaging resync (LP: #1786013)
- [Packaging] resync git-ubuntu-log
* autopkgtests run too often, too much and don't skip enough (LP: #1823056)
- [Debian] Set +x on rebuild testcase.
- [Debian] Skip rebuild test, for regression-suite deps.
- [Debian] Make ubuntu-regression-suite skippable on unbootable kernels.
- [Debian] make rebuild use skippable error codes when skipping.
- [Debian] Only run regression-suite, if requested to.
* CVE-2017-5753
- s390/keyboard: sanitize array index in do_kdsk_ioctl
- drm/bufs: Fix Spectre v1 vulnerability
- drivers/misc/sgi-gru: fix Spectre v1 vulnerability
- ipv4: Fix potential Spectre v1 vulnerability
- aio: fix spectre gadget in lookup_ioctx
- ALSA: emux: Fix potential Spectre v1 vulnerabilities
- ALSA: pcm: Fix potential Spectre v1 vulnerability
- ip6mr: Fix potential Spectre v1 vulnerability
- ALSA: rme9652: Fix potential Spectre v1 vulnerability
- ALSA: emu10k1: Fix potential Spectre v1 vulnerabilities
- KVM: arm/arm64: vgic: Fix off-by-one bug in vgic_get_irq()
- drm/ioctl: Fix Spectre v1 vulnerabilities
- net: core: Fix Spectre v1 vulnerability
- phonet: af_phonet: Fix Spectre v1 vulnerability
- nfc: af_nfc: Fix Spectre v1 vulnerability
- can: af_can: Fix Spectre v1 vulnerability
- net: Revert recent Spectre-v1 patches.
- char/mwave: fix potential Spectre v1 vulnerability
- applicom: Fix potential Spectre v1 vulnerabilities
- ipmi: msghandler: Fix potential Spectre v1 vulnerabilities
- powerpc/ptrace: Mitigate potential Spectre v1
- cfg80211: prevent speculation on cfg80211_classify8021d() return
- ALSA: rawmidi: Fix potential Spectre v1 vulnerability
- ALSA: seq: oss: Fix Spectre v1 vulnerability
* NULL pointer dereference when using z3fold and zswap (LP: #1814874)
- z3fold: fix possible reclaim races
* The Realtek card reader does not enter PCIe 1.1/1.2 (LP: #1825487)
- misc: rtsx: Enable OCP for rts522a rts524a rts525a rts5260
- SAUCE: misc: rtsx: Fixed rts5260 power saving parameter and sd glitch
* headset-mic doesn't work on two Dell laptops. (LP: #1825272)
- ALSA: hda/realtek - add two more pin configuration sets to quirk table
* CVE-2018-16884
- sunrpc: use SVC_NET() in svcauth_gss_* functions
- sunrpc: use-after-free in svc_process_common()
* AMD Rome : Minimal support patches (LP: #1816669)
- 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
* sky2 ethernet card don't work after returning from suspension (LP: #1798921)
- sky2: Increase D3 delay again
* CVE-2019-9500
- brcmfmac: assure SSID length from firmware is limited
* CVE-2019-9503
- brcmfmac: add subtype check for event handling in data path
* CVE-2019-3882
- vfio/type1: Limit DMA mappings per container
* CVE-2019-3887
- KVM: x86: nVMX: close leak of L0's x2APIC MSRs (CVE-2019-3887)
- KVM: x86: nVMX: fix x2APIC VTPR read intercept
* CVE-2019-3874
- sctp: use sk_wmem_queued to check for writable space
- sctp: implement memory accounting on tx path
- sctp: implement memory accounting on rx path
* Intel I210 Ethernet card not working after hotplug [8086:1533]
(LP: #1818490)
- igb: Fix WARN_ONCE on runtime suspend
* autofs kernel module missing (LP: #1824333)
- [Config] Update autofs4 path in inclusion list
* tasks doing write()/fsync() hit deadlock in write_cache_pages()
(LP: #1824827)
- mm/page-writeback.c: fix range_cyclic writeback vs writepages deadlock
* Pop noise when headset is plugged in or removed from GHS/Line-out jack
(LP: #1821290)
- ALSA: hda/realtek - Add unplug function into unplug state of Headset Mode
for ALC225
- ALSA: hda/realtek - Disable headset Mic VREF for headset mode of ALC225
- ALSA: hda/realtek - Add support headset mode for DELL WYSE AIO
- ALSA: hda/realtek - Add support headset mode for New DELL WYSE NB
* mac80211_hwsim unable to handle kernel NULL pointer dereference
at0000000000000000 (LP: #1825058)
- mac80211_hwsim: Timer should be initialized before device registered
* [regression][snd_hda_codec_realtek] repeating crackling noise after 19.04
upgrade (LP: #1821663)
- ALSA: hda - add Lenovo IdeaCentre B550 to the power_save_blacklist
- ALSA: hda - Add two more machines to the power_save_blacklist
* systemd cause kernel trace "BUG: unable to handle kernel paging request at
6db23a14" on Cosmic i386 (LP: #1813244) // systemd cause kernel trace "BUG:
unable to handle kernel paging request at 6db23a14" on Cosmic i386
(LP: #1813244)
- openvswitch: fix flow actions reallocation
-- Stefan Bader <stefan.bader@xxxxxxxxxxxxx> Mon, 06 May 2019 18:19:46
+0200
** Changed in: linux (Ubuntu Xenial)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1813244
Title:
systemd cause kernel trace "BUG: unable to handle kernel paging
request at 6db23a14" on Cosmic i386
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Trusty:
Fix Committed
Status in linux source package in Xenial:
Fix Released
Status in linux source package in Bionic:
Fix Released
Status in linux source package in Cosmic:
Fix Released
Bug description:
SRU Justification:
[Impact]
* Flow action buffer can be incorrectly resized to contain the newly
added action entries: the buffer is always resized multiplying the
previous size by 2, but this might be not enough if the requested size
is bigger than previous_size*2, causing a buffer overflow
* The fix correctly resizes the buffer to prevent the buffer overflow
* Despite the subject this bug can be triggered potentially on any
architecture, but it is very likely to happen on i386 running the
following test case
[Test Case]
* run this openvswitch test case:
https://launchpadlibrarian.net/416589265/lp1262692
[Fix]
* Instead of resizing the buffer by a factor of 2, use
max(current_size * 2, current_size + requested_size)
[Regression Potential]
* Fix has been tested on the affected platform and verified using
slub_debug. The patch has been queued up for -stable by David Miller,
it will be included upstream for the next merge window. It is also a
very small patch (a one-liner basically), so backport changes are
minimal.
[Original bug report]
This issue was found after leaving a SUT to run overnight (was testing
the ubuntu_cts_kernel test 13 hours ago before this happens). Can't
tell if this is a regression, as I haven't find a way to reproduce it.
But I do see similar reports on the Internet [1]
After checking the systemd service timers, it looks like this is
caused by the logrotate.service:
$ sudo systemctl list-timers --all
NEXT LEFT LAST PASSED UNIT ACTIVATES
Fri 2019-01-25 06:18:58 UTC 1h 40min left Thu 2019-01-24 06:34:15 UTC 22h ago apt-daily-upgrade.timer apt-daily-upgrade.service
Fri 2019-01-25 09:15:54 UTC 4h 37min left Fri 2019-01-25 03:43:24 UTC 55min ago apt-daily.timer apt-daily.service
Fri 2019-01-25 17:02:47 UTC 12h left Fri 2019-01-25 04:20:17 UTC 18min ago motd-news.timer motd-news.service
Sat 2019-01-26 00:00:00 UTC 19h left Fri 2019-01-25 00:00:37 UTC 4h 38min ago logrotate.timer logrotate.service
Sat 2019-01-26 04:02:38 UTC 23h left Fri 2019-01-25 04:02:38 UTC 36min ago systemd-tmpfiles-clean.timer systemd-tmpfiles-clean.serv
Mon 2019-01-28 00:00:00 UTC 2 days left Wed 2019-01-23 10:44:18 UTC 1 day 17h ago fstrim.timer fstrim.service
n/a n/a n/a n/a snapd.snap-repair.timer snapd.snap-repair.service
7 timers listed.
After this happens, you won't be able to reboot it with the command.
$ sudo reboot
sudo: unable to resolve host onza: Resource temporarily unavailable
Killed
Here is the error message, please refer to the attachment for a
complete syslog:
Jan 25 00:00:37 onza systemd[1]: Starting Rotate log files...
Jan 25 00:00:37 onza kernel: [45282.956634] BUG: unable to handle kernel paging request at 6db23a14
Jan 25 00:00:37 onza kernel: [45282.962902] *pdpt = 0000000033fa1001 *pde = 0000000000000000
Jan 25 00:00:37 onza kernel: [45282.968650] Oops: 0000 [#1] SMP
Jan 25 00:00:37 onza kernel: [45282.971796] CPU: 0 PID: 407 Comm: systemd-journal Not tainted 4.18.0-14-generic #15-Ubuntu
Jan 25 00:00:37 onza kernel: [45282.980330] Hardware name: Dell Inc. PowerEdge R310/05XKKK, BIOS 1.11.0 09/18/2012
Jan 25 00:00:37 onza kernel: [45282.988127] EIP: __kmalloc+0xc9/0x240
Jan 25 00:00:37 onza kernel: [45282.991785] Code: 4d e0 8d 4a 01 31 c6 8b 45 f0 89 75 dc 31 f3 8b 37 64 0f c7 0e 0f 94 c0 84 c0 74 b9 8b 75 e4 8b 45 dc 39 45 e0 74 0e 03 5f 14 <33> 1b 33 9f b4 00 00 00 0f 18 03 f7 45 ec 00 80 00 00 0f 85 3f 01
Jan 25 00:00:37 onza kernel: [45283.011254] EAX: 9e20b374 EBX: 6db23a14 ECX: 0000350d EDX: 0000350c
Jan 25 00:00:37 onza kernel: [45283.017769] ESI: eac03a00 EDI: eac03a00 EBP: f461fd9c ESP: f461fd74
Jan 25 00:00:37 onza kernel: [45283.024304] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010206
Jan 25 00:00:37 onza kernel: [45283.031245] CR0: 80050033 CR2: 6db23a14 CR3: 29d304a0 CR4: 000006f0
Jan 25 00:00:37 onza kernel: [45283.037770] Call Trace:
Jan 25 00:00:37 onza kernel: [45283.040395] ? ext4_htree_store_dirent+0x2e/0x120
Jan 25 00:00:37 onza kernel: [45283.045255] ext4_htree_store_dirent+0x2e/0x120
Jan 25 00:00:37 onza kernel: [45283.049951] htree_dirblock_to_tree+0xd2/0x230
Jan 25 00:00:37 onza kernel: [45283.054562] ext4_htree_fill_tree+0x7f/0x2c0
Jan 25 00:00:37 onza kernel: [45283.058991] ? kmem_cache_alloc_trace+0x167/0x1e0
Jan 25 00:00:37 onza kernel: [45283.063849] ? ext4_readdir+0x9d4/0xb10
Jan 25 00:00:37 onza kernel: [45283.067854] ext4_readdir+0x6aa/0xb10
Jan 25 00:00:37 onza kernel: [45283.071687] ? _copy_to_user+0x21/0x30
Jan 25 00:00:37 onza kernel: [45283.075597] ? do_statfs64+0x34/0x60
Jan 25 00:00:37 onza kernel: [45283.079334] ? security_file_permission+0x7c/0xb0
Jan 25 00:00:37 onza kernel: [45283.084306] iterate_dir+0x15c/0x1a0
Jan 25 00:00:37 onza kernel: [45283.087883] ksys_getdents64+0x6f/0x110
Jan 25 00:00:37 onza kernel: [45283.091853] ? iterate_dir+0x1a0/0x1a0
Jan 25 00:00:37 onza kernel: [45283.095771] sys_getdents64+0x16/0x20
Jan 25 00:00:37 onza kernel: [45283.099595] do_fast_syscall_32+0x7f/0x1e0
Jan 25 00:00:37 onza kernel: [45283.103858] entry_SYSENTER_32+0x4e/0x7c
Jan 25 00:00:37 onza kernel: [45283.107938] EIP: 0xb7ef4d41
Jan 25 00:00:37 onza kernel: [45283.110898] Code: f6 ff ff 55 89 e5 8b 55 08 8b 80 5c cd ff ff 85 d2 74 02 89 02 5d c3 8b 04 24 c3 8b 1c 24 c3 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 8d 76
Jan 25 00:00:37 onza kernel: [45283.130298] EAX: ffffffda EBX: 00000021 ECX: 02219dec EDX: 00008000
Jan 25 00:00:37 onza kernel: [45283.136824] ESI: ffffffb4 EDI: 00000000 EBP: 02219dd0 ESP: bff8f5e8
Jan 25 00:00:37 onza kernel: [45283.143245] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296
Jan 25 00:00:37 onza kernel: [45283.150299] Modules linked in: iptable_nat ip_gre gre ip_tunnel dummy iptable_filter xt_recent bpfilter openvswitch nsh nf_conntrack_ipv6 nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_defrag_ipv6 nf_conncount nf_nat nf_conntrack intel_powerclamp coretemp ipmi_ssif kvm_intel kvm dcdbas ipmi_si joydev irqbypass intel_cstate input_leds ipmi_devintf i7core_edac ipmi_msghandler acpi_power_meter mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear mgag200 i2c_algo_bit ttm hid_generic drm_kms_helper gpio_ich syscopyarea sysfillrect sysimgblt mpt3sas fb_sys_fops drm
Jan 25 00:00:37 onza kernel: [45283.222723] usbhid raid_class pata_acpi lpc_ich hid scsi_transport_sas bnx2 wmi
Jan 25 00:00:37 onza kernel: [45283.230378] CR2: 000000006db23a14
Jan 25 00:00:37 onza kernel: [45283.233894] ---[ end trace a12425d45f6ac772 ]---
[1] https://forum.manjaro.org/t/systemd-timer-crashing-my-system-at-midnight/19609
[2]
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: linux-image-4.18.0-14-generic 4.18.0-14.15
ProcVersionSignature: User Name 4.18.0-14.15-generic 4.18.20
Uname: Linux 4.18.0-14-generic i686
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Jan 25 03:48 seq
crw-rw---- 1 root audio 116, 33 Jan 25 03:48 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: i386
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:
CurrentDmesg:
Date: Fri Jan 25 04:18:08 2019
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
MachineType: Dell Inc. PowerEdge R310
PciMultimedia:
ProcFB: 0 mgadrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-14-generic root=UUID=6aaa11f6-d386-4c0c-b4b8-38e6c408980a ro console=ttyS0,115200n8
RelatedPackageVersions:
linux-restricted-modules-4.18.0-14-generic N/A
linux-backports-modules-4.18.0-14-generic N/A
linux-firmware 1.175.1
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/18/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.11.0
dmi.board.name: 05XKKK
dmi.board.vendor: Dell Inc.
dmi.board.version: A05
dmi.chassis.type: 23
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.11.0:bd09/18/2012:svnDellInc.:pnPowerEdgeR310:pvr:rvnDellInc.:rn05XKKK:rvrA05:cvnDellInc.:ct23:cvr:
dmi.product.name: PowerEdge R310
dmi.sys.vendor: Dell Inc.
---
ProblemType: Bug
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Jan 25 03:48 seq
crw-rw---- 1 root audio 116, 33 Jan 25 03:48 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: i386
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:
CurrentDmesg:
[ 1844.906725] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 1844.913322] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
DistroRelease: Ubuntu 18.10
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
MachineType: Dell Inc. PowerEdge R310
Package: linux (not installed)
PciMultimedia:
ProcFB: 0 mgadrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-14-generic root=UUID=6aaa11f6-d386-4c0c-b4b8-38e6c408980a ro console=ttyS0,115200n8
ProcVersionSignature: User Name 4.18.0-14.15-generic 4.18.20
RelatedPackageVersions:
linux-restricted-modules-4.18.0-14-generic N/A
linux-backports-modules-4.18.0-14-generic N/A
linux-firmware 1.175.1
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
Tags: cosmic uec-images
Uname: Linux 4.18.0-14-generic i686
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm audio cdrom dialout dip floppy netdev plugdev sudo video
_MarkForUpload: True
dmi.bios.date: 09/18/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.11.0
dmi.board.name: 05XKKK
dmi.board.vendor: Dell Inc.
dmi.board.version: A05
dmi.chassis.type: 23
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.11.0:bd09/18/2012:svnDellInc.:pnPowerEdgeR310:pvr:rvnDellInc.:rn05XKKK:rvrA05:cvnDellInc.:ct23:cvr:
dmi.product.name: PowerEdge R310
dmi.sys.vendor: Dell Inc.
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