I just triggered a kernel oops with 4.13.0-17, but the system remains responsive afterwards:
[ 18.645733] random: crng init done [ 76.860979] BUG: unable to handle kernel paging request at ffffea15932d2020 [ 76.861025] IP: kfree+0x53/0x160 [ 76.861039] PGD 0 [ 76.861040] P4D 0 [ 76.861064] Oops: 0000 [#1] SMP [ 76.861079] Modules linked in: rfcomm cmac bnep intel_spi_platform intel_spi binfmt_misc spi_nor mtd joydev intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp applesmc input_polldev snd_hda_codec_hdmi kvm_intel kvm irqbypass crct10dif_pclmul snd_hda_codec_cirrus snd_hda_codec_generic crc32_pclmul ghash_clmulni_intel pcbc aesni_intel snd_hda_intel snd_hda_codec aes_x86_64 snd_hda_core snd_hwdep crypto_simd glue_helper cryptd snd_pcm wl(POE) intel_cstate intel_rapl_perf snd_seq_midi btusb snd_seq_midi_event btrtl btbcm snd_rawmidi btintel lpc_ich bluetooth ecdh_generic input_leds bcm5974 snd_seq thunderbolt mei_me cfg80211 snd_seq_device snd_timer snd bdc_pci mei soundcore shpchp sbs sbshc acpi_als kfifo_buf industrialio apple_bl mac_hid parport_pc ppdev lp parport ip_tables x_tables autofs4 [ 76.861393] btrfs xor raid6_pq hid_generic hid_apple usbhid hid i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci libahci drm uas usb_storage video [ 76.861439] CPU: 1 PID: 774 Comm: cupsd Tainted: P OE 4.13.0-17-generic #20-Ubuntu [ 76.861458] Hardware name: Apple Inc. MacBookPro11,1/Mac-189A3D4F975D5FFC, BIOS MBP111.88Z.0138.B17.1602221718 02/22/2016 [ 76.861482] task: ffff913f11d81740 task.stack: ffffaaf8421b0000 [ 76.861497] RIP: 0010:kfree+0x53/0x160 [ 76.861506] RSP: 0018:ffffaaf8421b3d30 EFLAGS: 00010286 [ 76.861518] RAX: 0000000000000000 RBX: 000320bf8b480000 RCX: 0000000000000006 [ 76.861535] RDX: 000039b910a03550 RSI: 0000000000010080 RDI: 00006ec4c0000000 [ 76.861551] RBP: ffffaaf8421b3d48 R08: 000000000001f4c0 R09: ffffffffad9bb839 [ 76.861567] R10: ffffea15932d2000 R11: 0000000001000000 R12: ffff913f1aad0000 [ 76.861583] R13: ffffffffad5a155e R14: 0000000000000000 R15: ffff913f1c3719c0 [ 76.861599] FS: 00007f8b186b0040(0000) GS:ffff913f2f280000(0000) knlGS:0000000000000000 [ 76.861618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.861631] CR2: ffffea15932d2020 CR3: 000000045b33e000 CR4: 00000000001406e0 [ 76.861647] Call Trace: [ 76.861658] security_sk_free+0x3e/0x50 [ 76.861669] __sk_destruct+0x108/0x190 [ 76.861679] sk_destruct+0x20/0x30 [ 76.861689] __sk_free+0x82/0xa0 [ 76.861697] sk_free+0x19/0x20 [ 76.861707] tcp_close+0x232/0x3f0 [ 76.861717] inet_release+0x3c/0x60 [ 76.861728] inet6_release+0x30/0x40 [ 76.861737] sock_release+0x1f/0x80 [ 76.861746] sock_close+0x12/0x20 [ 76.861756] __fput+0xe7/0x220 [ 76.861764] ____fput+0xe/0x10 [ 76.861774] task_work_run+0x76/0x90 [ 76.861785] exit_to_usermode_loop+0xc4/0xd0 [ 76.861796] syscall_return_slowpath+0x59/0x60 [ 76.861809] entry_SYSCALL_64_fastpath+0xa7/0xa9 [ 76.861820] RIP: 0033:0x7f8b16efedb4 [ 76.861829] RSP: 002b:00007ffc07e597a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 76.861846] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8b16efedb4 [ 76.861862] RDX: 0000000000000000 RSI: 0000000000000014 RDI: 0000000000000014 [ 76.861878] RBP: 00007f8b16cb1359 R08: 00007f8b16cb1359 R09: 00007f8b16ee8a20 [ 76.861894] R10: 00007ffc07e597bc R11: 0000000000000246 R12: 000055bfbfd1bfbf [ 76.861911] R13: 000055bfbfd1fc00 R14: 0000000000000001 R15: 0000000000000000 [ 76.861927] Code: 00 80 49 01 da 0f 82 1c 01 00 00 48 c7 c7 00 00 00 80 48 2b 3d 7f e6 c1 00 49 01 fa 49 c1 ea 0c 49 c1 e2 06 4c 03 15 5d e6 c1 00 <49> 8b 42 20 48 8d 50 ff a8 01 4c 0f 45 d2 49 8b 52 20 48 8d 42 [ 76.861985] RIP: kfree+0x53/0x160 RSP: ffffaaf8421b3d30 [ 76.861997] CR2: ffffea15932d2020 [ 76.873108] ---[ end trace 80bc47cf4e3ff0f7 ]--- [ 125.424582] SGI XFS with ACLs, security attributes, realtime, no debug enabled -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1731031 Title: Kernel Oops with 17.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1731031/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
