This bug was fixed in the package linux - 4.18.0-16.17
---------------
linux (4.18.0-16.17) cosmic; urgency=medium
* linux: 4.18.0-16.17 -proposed tracker (LP: #1814749)
* Packaging resync (LP: #1786013)
- [Packaging] update helper scripts
* CVE-2018-16880
- vhost: fix OOB in get_rx_bufs()
* RTL8822BE WiFi Disabled in Kernel 4.18.0-12 (LP: #1806472)
- SAUCE: staging: rtlwifi: allow RTLWIFI_DEBUG_ST to be disabled
- [Config] CONFIG_RTLWIFI_DEBUG_ST=n
- SAUCE: Add r8822be to signature inclusion list
* kernel oops in bcache module (LP: #1793901)
- SAUCE: bcache: never writeback a discard operation
* CVE-2018-18397
- userfaultfd: use ENOENT instead of EFAULT if the atomic copy user fails
- userfaultfd: shmem: allocate anonymous memory for MAP_PRIVATE shmem
- userfaultfd: shmem/hugetlbfs: only allow to register VM_MAYWRITE vmas
- userfaultfd: shmem: add i_size checks
- userfaultfd: shmem: UFFDIO_COPY: set the page dirty if VM_WRITE is not set
* Ignore "incomplete report" from Elan touchpanels (LP: #1813733)
- HID: i2c-hid: Ignore input report if there's no data present on Elan
touchpanels
* Vsock connect fails with ENODEV for large CID (LP: #1813934)
- vhost/vsock: fix vhost vsock cid hashing inconsistent
* Fix non-working pinctrl-intel (LP: #1811777)
- pinctrl: intel: Do pin translation in other GPIO operations as well
* ip6_gre: fix tunnel list corruption for x-netns (LP: #1812875)
- ip6_gre: fix tunnel list corruption for x-netns
* Backported commit breaks audio (fixed upstream) (LP: #1811566)
- ASoC: intel: cht_bsw_max98090_ti: Add quirk for boards using pmc_plt_clk_0
- ASoC: intel: cht_bsw_max98090_ti: Add pmc_plt_clk_0 quirk for Chromebook
Clapper
- ASoC: intel: cht_bsw_max98090_ti: Add pmc_plt_clk_0 quirk for Chromebook
Gnawty
* kvm_stat : missing python dependency (LP: #1798776)
- tools/kvm_stat: switch to python3
* [SRU] Fix Xorg crash with nomodeset when BIOS enable 64-bit fb addr
(LP: #1812797)
- vgaarb: Add support for 64-bit frame buffer address
- vgaarb: Keep adding VGA device in queue
* Fix non-working QCA Rome Bluetooth after S3 (LP: #1812812)
- USB: Add new USB LPM helpers
- USB: Consolidate LPM checks to avoid enabling LPM twice
* [SRU] IO's are issued with incorrect Scatter Gather Buffer (LP: #1795453)
- scsi: megaraid_sas: Use 63-bit DMA addressing
* x86/mm: Found insecure W+X mapping at address (ptrval)/0xc00a0000
(LP: #1813532)
- x86/mm: Do not warn about PCI BIOS W+X mappings
* CVE-2019-6133
- fork: record start_time late
* Fix not working Goodix touchpad (LP: #1811929)
- HID: i2c-hid: Disable runtime PM on Goodix touchpad
* bluetooth controller not detected with 4.15 kernel (LP: #1810797)
- SAUCE: btqcomsmd: introduce BT_QCOMSMD_HACK
- [Config] arm64: snapdragon: BT_QCOMSMD_HACK=y
* X1 Extreme: only one of the two SSDs is loaded (LP: #1811755)
- nvme-core: rework a NQN copying operation
- nvme: pad fake subsys NQN vid and ssvid with zeros
- nvme: introduce NVME_QUIRK_IGNORE_DEV_SUBNQN
* Crash on "ip link add foo type ipip" (LP: #1811803)
- SAUCE: fan: Fix NULL pointer dereference
-- Stefan Bader <stefan.ba...@canonical.com> Thu, 07 Feb 2019 23:23:02
+0100
** Changed in: linux (Ubuntu Cosmic)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-16880
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https://bugs.launchpad.net/bugs/1811803
Title:
Crash on "ip link add foo type ipip"
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Fix Committed
Status in linux source package in Bionic:
Fix Released
Status in linux source package in Cosmic:
Fix Released
Status in linux source package in Disco:
Fix Released
Bug description:
On 4.18.0-13-generic #14-Ubuntu SMP Wed Dec 5 09:04:24 UTC 2018 x86_64
x86_64 x86_64 GNU/Linux
When I executed "sudo ip link add foo type ipip" kernel crashed,
leaving the system working but mostly unusable (networking was flaky).
dmesg showed:
[156541.500970] ipip: IPv4 and MPLS over IPv4 tunneling driver
[156541.502201] BUG: unable to handle kernel NULL pointer dereference at
0000000000000108
[156541.502207] PGD 0 P4D 0
[156541.502210] Oops: 0000 [#1] SMP PTI
[156541.502213] CPU: 9 PID: 29001 Comm: ip Tainted: G OE
4.18.0-13-generic #14-Ubuntu
[156541.502215] Hardware name: Dell Inc. XPS 15 9570/0HWTMH, BIOS 1.6.0
11/02/2018
[156541.502223] RIP: 0010:ipip_netlink_fan.isra.11+0x5/0x250 [ipip]
[156541.502224] Code: d9 fe ff ff 48 8d 93 78 09 00 00 eb 93 48 89 de 4c 89
e7 e8 cd 78 fe ff eb c3 e8 c6 79 5d e8 66 0f 1f 44 00 00 0f 1f 44 00 00 <48> 8b
87 08 01 00 00 48 85 c0 0f 84 1a 02 00 00 8b 12 85 d2 0f 85
[156541.502245] RSP: 0018:ffffbac005a2b588 EFLAGS: 00010246
[156541.502246] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
0000000000000000
[156541.502248] RDX: ffffbac005a2b5d0 RSI: ffff9c1122439900 RDI:
0000000000000000
[156541.502249] RBP: ffffbac005a2b600 R08: 0000000000000000 R09:
ffffbac005a2b594
[156541.502250] R10: ffffffffc0cb9120 R11: 0000000000000000 R12:
ffff9c1122439000
[156541.502251] R13: ffff9c1122439900 R14: ffffbac005a2b930 R15:
ffffffffaa805780
[156541.502253] FS: 00007fe219348680(0000) GS:ffff9c136be40000(0000)
knlGS:0000000000000000
[156541.502254] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[156541.502255] CR2: 0000000000000108 CR3: 000000010f724001 CR4:
00000000003606e0
[156541.502257] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[156541.502258] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[156541.502259] Call Trace:
[156541.502265] ? ipip_newlink+0x8c/0xc6 [ipip]
[156541.502273] rtnl_newlink+0x67b/0x8c0
[156541.502279] ? nla_parse+0x35/0xe0
[156541.502280] ? rtnl_newlink+0x12e/0x8c0
[156541.502288] ? get_page_from_freelist+0xf7e/0x1320
[156541.502298] ? mem_cgroup_commit_charge+0x82/0x530
[156541.502302] ? lru_cache_add_active_or_unevictable+0x39/0xb0
[156541.502309] ? handle_pte_fault+0x52c/0xbe0
[156541.502313] rtnetlink_rcv_msg+0x213/0x300
[156541.502318] ? copy_user_generic_unrolled+0x89/0xc0
[156541.502320] ? rtnl_calcit.isra.33+0x100/0x100
[156541.502327] netlink_rcv_skb+0x52/0x130
[156541.502329] rtnetlink_rcv+0x15/0x20
[156541.502331] netlink_unicast+0x1a4/0x260
[156541.502333] netlink_sendmsg+0x20b/0x3d0
[156541.502340] sock_sendmsg+0x3e/0x50
[156541.502342] ___sys_sendmsg+0x295/0x2f0
[156541.502344] ? handle_pte_fault+0x539/0xbe0
[156541.502347] ? __handle_mm_fault+0x42c/0x5b0
[156541.502350] __sys_sendmsg+0x5c/0xa0
[156541.502353] __x64_sys_sendmsg+0x1f/0x30
[156541.502358] do_syscall_64+0x5a/0x110
[156541.502361] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[156541.502364] RIP: 0033:0x7fe219682234
[156541.502365] Code: 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b5 0f 1f 80
00 00 00 00 48 8d 05 c9 d4 0c 00 8b 00 85 c0 75 13 b8 2e 00 00 00 0f 05 <48> 3d
00 f0 ff ff 77 54 c3 0f 1f 00 41 54 41 89 d4 55 48 89 f5 53
[156541.502390] RSP: 002b:00007ffe5887fbe8 EFLAGS: 00000246 ORIG_RAX:
000000000000002e
[156541.502392] RAX: ffffffffffffffda RBX: 000000005c3dbcf0 RCX:
00007fe219682234
[156541.502393] RDX: 0000000000000000 RSI: 00007ffe5887fc50 RDI:
0000000000000003
[156541.502394] RBP: 0000000000000000 R08: 0000000000000001 R09:
0000000000000000
[156541.502396] R10: 0000000000000008 R11: 0000000000000246 R12:
0000000000000001
[156541.502397] R13: 00005597e7c6c020 R14: 00007ffe5887fd4c R15:
0000000000000000
[156541.502399] Modules linked in: ipip tunnel4 ip_tunnel veth sctp libcrc32c
ses enclosure scsi_transport_sas uas usb_storage ath10k_pci thunderbolt rfcomm
pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) ccm arc4 cmac
bnep binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic dell_wmi wmi_bmof mxm_wmi intel_wmi_thunderbolt
snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm intel_rapl
x86_pkg_temp_thermal dell_laptop intel_powerclamp ath10k_core dell_smbios
coretemp dell_wmi_descriptor kvm_intel snd_seq_midi dcdbas snd_seq_midi_event
ath snd_rawmidi mac80211 kvm snd_seq irqbypass uvcvideo intel_cstate
videobuf2_vmalloc intel_rapl_perf snd_seq_device videobuf2_memops snd_timer
videobuf2_v4l2 btusb serio_raw videobuf2_common btrtl btbcm snd rtsx_pci_ms
[156541.502470] videodev btintel soundcore cfg80211 memstick cdc_acm media
input_leds bluetooth ecdh_generic mei_me joydev mei hid_multitouch idma64
virt_dma processor_thermal_device intel_soc_dts_iosf intel_pch_thermal
ucsi_acpi typec_ucsi typec int3403_thermal int340x_thermal_zone int3400_thermal
mac_hid acpi_thermal_rel dell_smo8800 intel_hid wmi sparse_keymap acpi_pad
sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4
algif_skcipher af_alg dm_crypt wacom usbhid hid_generic i915 crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel pcbc i2c_algo_bit drm_kms_helper aesni_intel
syscopyarea sysfillrect aes_x86_64 sysimgblt rtsx_pci_sdmmc crypto_simd
fb_sys_fops nvme cryptd glue_helper psmouse drm ahci nvme_core rtsx_pci
i2c_i801 intel_lpss_pci libahci i2c_hid intel_lpss hid pinctrl_cannonlake
[156541.502523] video pinctrl_intel [last unloaded: ath10k_pci]
[156541.502528] CR2: 0000000000000108
[156541.502531] ---[ end trace 48bd88c62d9ac460 ]---
[156541.502535] RIP: 0010:ipip_netlink_fan.isra.11+0x5/0x250 [ipip]
[156541.502536] Code: d9 fe ff ff 48 8d 93 78 09 00 00 eb 93 48 89 de 4c 89
e7 e8 cd 78 fe ff eb c3 e8 c6 79 5d e8 66 0f 1f 44 00 00 0f 1f 44 00 00 <48> 8b
87 08 01 00 00 48 85 c0 0f 84 1a 02 00 00 8b 12 85 d2 0f 85
[156541.502558] RSP: 0018:ffffbac005a2b588 EFLAGS: 00010246
[156541.502559] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
0000000000000000
[156541.502560] RDX: ffffbac005a2b5d0 RSI: ffff9c1122439900 RDI:
0000000000000000
[156541.502561] RBP: ffffbac005a2b600 R08: 0000000000000000 R09:
ffffbac005a2b594
[156541.502563] R10: ffffffffc0cb9120 R11: 0000000000000000 R12:
ffff9c1122439000
[156541.502564] R13: ffff9c1122439900 R14: ffffbac005a2b930 R15:
ffffffffaa805780
[156541.502565] FS: 00007fe219348680(0000) GS:ffff9c136be40000(0000)
knlGS:0000000000000000
[156541.502567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[156541.502568] CR2: 0000000000000108 CR3: 000000010f724001 CR4:
00000000003606e0
[156541.502569] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[156541.502571] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
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