# Pastebin Equif5DU [ 2790.939110] ------------[ cut here ]------------ [ 2790.942677] kernel BUG at /build/linux-5mCauq/linux-4.15.0/net/ipv4/ip_output.c:636! [ 2790.948947] invalid opcode: 0000 [#1] SMP PTI [ 2790.952769] Modules linked in: xt_nat xt_REDIRECT nf_nat_redirect xt_comment xt_mark xt_connmark ip6table_raw ip6table_mangle iptable_raw br_netfilter xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat bridge ebtable_filter ebtables openvswitch nsh nf_nat_ipv6 nf_nat_ipv4 nf_nat nf_conntrack_netlink nfnetlink netconsole ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_limit intel_rapl sb_edac crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc ttm nls_utf8 aesni_intel nf_conntrack_ipv4 isofs nf_defrag_ipv4 drm_kms_helper aes_x86_64 crypto_simd xt_tcpudp glue_helper cryptd ppdev drm xt_conntrack nf_conntrack libcrc32c input_leds fb_sys_fops syscopyarea joydev sysfillrect [ 2791.000073] sysimgblt intel_rapl_perf serio_raw parport_pc parport mac_hid iptable_filter sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi 8021q garp mrp stp llc ip_tables x_tables autofs4 hid_generic usbhid hid psmouse i2c_piix4 pata_acpi floppy [ 2791.018304] CPU: 7 PID: 1326 Comm: qemu-system-x86 Not tainted 4.15.0-60-generic #67-Ubuntu [ 2791.024172] Hardware name: Xen HVM domU, BIOS 4.1.5 11/28/2013 [ 2791.028534] RIP: 0010:ip_do_fragment+0x482/0x820 [ 2791.031949] RSP: 0018:ffff9b8882a4f148 EFLAGS: 00010206 [ 2791.035942] RAX: 0000000000000001 RBX: ffff9b8882a4f200 RCX: ffffffffb0c4cdf0 [ 2791.041001] RDX: 0000000000000024 RSI: 0000000000000560 RDI: ffff8a7f03fbb800 [ 2791.046388] RBP: ffff9b8882a4f1b0 R08: ffff8a7d167d5000 R09: 0000000000000574 [ 2791.050772] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000014 [ 2791.055842] R13: ffff8a7f03fba500 R14: 0000000000000be4 R15: ffff8a7d167d504e [ 2791.060970] FS: 00007f08716a1640(0000) GS:ffff8a7f06fc0000(0000) knlGS:0000000000000000 [ 2791.067194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2791.071529] CR2: 00007f083ff0b8a8 CR3: 00000000cb70a000 CR4: 00000000000006e0 [ 2791.076610] Call Trace: [ 2791.079216] ? do_output+0x160/0x160 [openvswitch] [ 2791.083002] ovs_fragment+0x221/0x270 [openvswitch] [ 2791.086227] ? __wake_up_common_lock+0x8e/0xc0 [ 2791.089246] ? dst_discard_out+0x20/0x20 [ 2791.092298] ? dst_dev_put+0x80/0x80 [ 2791.095156] ? netlink_broadcast_filtered+0x14c/0x3c0 [ 2791.100486] ? __slab_free+0x14d/0x2c0 [ 2791.103260] ? __slab_free+0x14d/0x2c0 [ 2791.105625] ? __update_load_avg_se.isra.37+0x1c0/0x1d0 [ 2791.109098] ? csum_partial+0x11/0x20 [ 2791.111273] ? csum_partial_ext+0x9/0x10 [ 2791.113635] ? __skb_checksum+0x68/0x330 [ 2791.116003] ? csum_partial+0x11/0x20 [ 2791.118571] do_output+0x10c/0x160 [openvswitch] [ 2791.123229] ? do_output+0x10c/0x160 [openvswitch] [ 2791.126792] do_execute_actions+0xbd8/0xbf0 [openvswitch] [ 2791.130961] ? udp_packet+0x4d/0x90 [nf_conntrack] [ 2791.135481] ? nf_conntrack_in+0x215/0x4f0 [nf_conntrack] [ 2791.139644] ? nf_ct_get_tuple+0x82/0xa0 [nf_conntrack] [ 2791.143909] ovs_execute_actions+0x4c/0x120 [openvswitch] [ 2791.148164] ovs_dp_process_packet+0x84/0x130 [openvswitch] [ 2791.152262] ? csum_partial+0x11/0x20 [ 2791.155247] ? ovs_ct_execute+0x49d/0x760 [openvswitch] [ 2791.159165] clone_execute+0x1bb/0x1e0 [openvswitch] [ 2791.163004] do_execute_actions+0x914/0xbf0 [openvswitch] [ 2791.166770] ? __wake_up_sync_key+0x1e/0x30 [ 2791.170093] ? sock_def_readable+0x40/0x70 [ 2791.173340] ? queue_userspace_packet+0x3e9/0x5f0 [openvswitch] [ 2791.177965] ? skb_free_head+0x28/0x30 [ 2791.180540] ? skb_release_data+0x113/0x170 [ 2791.183846] ovs_execute_actions+0x4c/0x120 [openvswitch] [ 2791.187506] ovs_dp_process_packet+0x84/0x130 [openvswitch] [ 2791.192643] ? ovs_ct_update_key+0x8f/0x100 [openvswitch] [ 2791.198851] ovs_vport_receive+0x76/0xd0 [openvswitch] [ 2791.203391] ? __switch_to_asm+0x35/0x70 [ 2791.206472] ? finish_task_switch+0x71/0x230 [ 2791.209935] ? timerqueue_del+0x24/0x50 [ 2791.213013] ? __remove_hrtimer+0x3c/0x70 [ 2791.216655] ? hrtimer_try_to_cancel+0xb5/0x110 [ 2791.220079] ? schedule_hrtimeout_range_clock+0xc5/0x190 [ 2791.223574] ? do_sys_poll+0x3e2/0x580 [ 2791.226319] netdev_frame_hook+0xd6/0x170 [openvswitch] [ 2791.229497] __netif_receive_skb_core+0x25c/0xb80 [ 2791.232647] __netif_receive_skb+0x18/0x60 [ 2791.235310] ? __netif_receive_skb+0x18/0x60 [ 2791.238495] netif_receive_skb_internal+0x45/0xe0 [ 2791.242318] netif_receive_skb+0x1c/0x70 [ 2791.245079] tun_get_user+0xec3/0x1500 [ 2791.248063] tun_chr_write_iter+0x51/0x70 [ 2791.251421] do_iter_readv_writev+0x11a/0x180 [ 2791.254540] do_iter_write+0x86/0x1a0 [ 2791.257354] vfs_writev+0x98/0x110 [ 2791.259573] ? __switch_to_asm+0x41/0x70 [ 2791.262595] ? __switch_to_asm+0x35/0x70 [ 2791.265243] ? __switch_to_asm+0x41/0x70 [ 2791.268258] ? __switch_to_asm+0x35/0x70 [ 2791.271270] ? __switch_to_asm+0x41/0x70 [ 2791.274188] ? __switch_to+0x123/0x4e0 [ 2791.276948] ? finish_task_switch+0x71/0x230 [ 2791.280682] do_writev+0x68/0x110 [ 2791.283612] ? do_writev+0x68/0x110 [ 2791.286173] SyS_writev+0x10/0x20 [ 2791.288422] do_syscall_64+0x73/0x130 [ 2791.290747] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 2791.293655] RIP: 0033:0x7f086b9f36e7 [ 2791.295536] RSP: 002b:00007ffe888426b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 2791.300244] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f086b9f36e7 [ 2791.304607] RDX: 0000000000000001 RSI: 000055fce56183e8 RDI: 0000000000000020 [ 2791.308067] RBP: 000055fce56183e8 R08: 0000000000000000 R09: 000055fce1c02970 [ 2791.312937] R10: 0000000000000001 R11: 0000000000000293 R12: 0000000000000001 [ 2791.316950] R13: 000055fce56183e8 R14: 000055fce56183e8 R15: 0000000000000001 [ 2791.322230] Code: 8b 87 d8 00 00 00 48 2b 87 d0 00 00 00 39 c2 0f 87 f4 00 00 00 8b 87 e4 00 00 00 83 f8 01 0f 85 e5 00 00 00 48 83 7f 18 00 74 8e <0f> 0b 8b 0a 89 08 44 89 e1 8b 54 0a fc 89 54 08 fc e9 00 fd ff [ 2791.335335] RIP: ip_do_fragment+0x482/0x820 RSP: ffff9b8882a4f148 [ 2791.340342] ---[ end trace 573027bd04ded5b9 ]--- [ 2791.344667] Kernel panic - not syncing: Fatal exception in interrupt [ 2791.349646] Kernel Offset: 0x2f400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)