This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1811803 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Tags added: cosmic -- 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/1811803 Title: Crash on "ip link add foo type ipip" Status in linux package in Ubuntu: Incomplete 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1811803/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp