[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.31' (ECDSA) to the list of known hosts. syzkaller login: [ 59.802268][ T6861] IPVS: ftp: loaded support on port[0] = 21 [ 59.938083][ T6861] chnl_net:caif_netlink_parms(): no params data found [ 59.995036][ T6861] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.002582][ T6861] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.012387][ T6861] device bridge_slave_0 entered promiscuous mode [ 60.022422][ T6861] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.030982][ T6861] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.039784][ T6861] device bridge_slave_1 entered promiscuous mode [ 60.061713][ T6861] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.073043][ T6861] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.097010][ T6861] team0: Port device team_slave_0 added [ 60.105577][ T6861] team0: Port device team_slave_1 added [ 60.123110][ T6861] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.130156][ T6861] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 60.157496][ T6861] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.170240][ T6861] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.177799][ T6861] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 60.204791][ T6861] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.232406][ T6861] device hsr_slave_0 entered promiscuous mode [ 60.239277][ T6861] device hsr_slave_1 entered promiscuous mode [ 60.335657][ T6861] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.351632][ T6861] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.360819][ T6861] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.374345][ T6861] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.398778][ T6861] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.405980][ T6861] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.414013][ T6861] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.421185][ T6861] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.467686][ T6861] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.481321][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.492077][ T3126] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.500883][ T3126] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.510639][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.524041][ T6861] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.536075][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.545472][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.552526][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.573679][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.582058][ T3126] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.589210][ T3126] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.609934][ T6861] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.620436][ T6861] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.637098][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.645651][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.655272][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.665933][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.674311][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.682077][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.704196][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.711641][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.722137][ T6861] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.742093][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.761175][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.769752][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.778726][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.789759][ T6861] device veth0_vlan entered promiscuous mode [ 60.801492][ T6861] device veth1_vlan entered promiscuous mode [ 60.824201][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.832198][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.841508][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.852507][ T6861] device veth0_macvtap entered promiscuous mode [ 60.864681][ T6861] device veth1_macvtap entered promiscuous mode [ 60.882109][ T6861] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.890156][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.901230][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.914193][ T6861] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.924681][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.935551][ T6861] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.944785][ T6861] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.954553][ T6861] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.963403][ T6861] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.998662][ T114] divide_error: 0000 [#1] PREEMPT SMP KASAN [ 61.005200][ T114] CPU: 0 PID: 114 Comm: kworker/u4:3 Not tainted 5.9.0-rc1-next-20200821-syzkaller #0 [ 61.014719][ T114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.025481][ T114] Workqueue: wg-kex-wg2 wg_packet_handshake_send_worker [ 61.032438][ T114] RIP: 0010:tabledist.part.0+0x22a/0x2a0 [ 61.038050][ T114] Code: 4c 01 f0 48 c1 e8 20 41 89 45 00 41 89 c6 e8 cd bf 0c fb 48 85 db 0f 85 6d fe ff ff e8 bf bf 0c fb 8d 4c 2d 00 44 89 f0 31 d2 f1 49 29 ec 49 01 d4 e9 2b ff ff ff e8 a4 bf 0c fb 48 81 eb 00 [ 61.057653][ T114] RSP: 0018:ffffc900012d74d8 EFLAGS: 00010246 [ 61.063720][ T114] RAX: 0000000010e217e2 RBX: 0000000000000000 RCX: 0000000000000000 [ 61.071684][ T114] RDX: 0000000000000000 RSI: ffffffff8667b301 RDI: 0000000000000005 [ 61.079646][ T114] RBP: ffffffff80000000 R08: 0000000000000000 R09: ffffffff8abb5e8f [ 61.087608][ T114] R10: 0000000000000000 R11: 1ffffffff185250e R12: 0000000000000000 [ 61.099567][ T114] R13: ffff8880a7c9537c R14: 0000000010e217e2 R15: 0000000000000000 [ 61.107547][ T114] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 61.116468][ T114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.123207][ T114] CR2: 00007f230476f000 CR3: 0000000092f7b000 CR4: 00000000001506f0 [ 61.131386][ T114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.144740][ T114] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.152690][ T114] Call Trace: [ 61.155984][ T114] netem_enqueue+0x45e/0x350f [ 61.160648][ T114] ? lock_release+0x8e0/0x8e0 [ 61.165304][ T114] ? do_raw_spin_lock+0x120/0x2b0 [ 61.170309][ T114] ? netem_dump+0x1120/0x1120 [ 61.174977][ T114] ? rwlock_bug.part.0+0x90/0x90 [ 61.179906][ T114] __dev_queue_xmit+0x1878/0x2d60 [ 61.184927][ T114] ? lock_acquire+0x1f1/0xad0 [ 61.189597][ T114] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 61.195825][ T114] ? mark_lock+0xbc/0x1710 [ 61.200232][ T114] ? mark_held_locks+0x9f/0xe0 [ 61.205773][ T114] ? ip_finish_output2+0x12f7/0x21f0 [ 61.211037][ T114] ? lockdep_hardirqs_on_prepare+0x19c/0x530 [ 61.217010][ T114] ip_finish_output2+0x1523/0x21f0 [ 61.222111][ T114] ? ip_frag_next+0x9a0/0x9a0 [ 61.227735][ T114] __ip_finish_output+0x779/0xcb0 [ 61.232747][ T114] ? ip_fragment.constprop.0+0x240/0x240 [ 61.238356][ T114] ? __ip_finish_output+0xcb0/0xcb0 [ 61.243530][ T114] ? lock_is_held_type+0xbb/0xf0 [ 61.248467][ T114] ip_finish_output+0x34/0x1f0 [ 61.253231][ T114] ip_output+0x196/0x310 [ 61.257453][ T114] ip_local_out+0xaf/0x1a0 [ 61.261856][ T114] iptunnel_xmit+0x5a0/0x9b0 [ 61.266425][ T114] ? erspan_xmit+0x2260/0x2760 [ 61.271860][ T114] send4+0x4c6/0xd70 [ 61.275749][ T114] ? lock_release+0x8e0/0x8e0 [ 61.280408][ T114] ? wg_receive+0xb0/0xb0 [ 61.284726][ T114] ? memset+0x20/0x40 [ 61.288683][ T114] wg_socket_send_buffer_to_peer+0x29e/0x340 [ 61.294643][ T114] wg_packet_send_handshake_initiation+0x1fc/0x240 [ 61.301128][ T114] ? wg_packet_queue_free+0x160/0x160 [ 61.306488][ T114] ? do_raw_spin_lock+0x120/0x2b0 [ 61.311487][ T114] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.316674][ T114] ? lock_is_held_type+0xbb/0xf0 [ 61.321587][ T114] wg_packet_handshake_send_worker+0x18/0x30 [ 61.327586][ T114] process_one_work+0x94c/0x1670 [ 61.332507][ T114] ? lock_release+0x8e0/0x8e0 [ 61.337162][ T114] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 61.342514][ T114] ? rwlock_bug.part.0+0x90/0x90 [ 61.347441][ T114] worker_thread+0x64c/0x1120 [ 61.352096][ T114] ? process_one_work+0x1670/0x1670 [ 61.357280][ T114] kthread+0x3b5/0x4a0 [ 61.361321][ T114] ? __kthread_bind_mask+0xc0/0xc0 [ 61.366408][ T114] ? __kthread_bind_mask+0xc0/0xc0 [ 61.371495][ T114] ret_from_fork+0x1f/0x30 [ 61.375893][ T114] Modules linked in: [ 61.380409][ T114] ---[ end trace 6dc59918e2fb67f6 ]--- [ 61.385884][ T114] RIP: 0010:tabledist.part.0+0x22a/0x2a0 [ 61.391497][ T114] Code: 4c 01 f0 48 c1 e8 20 41 89 45 00 41 89 c6 e8 cd bf 0c fb 48 85 db 0f 85 6d fe ff ff e8 bf bf 0c fb 8d 4c 2d 00 44 89 f0 31 d2 f1 49 29 ec 49 01 d4 e9 2b ff ff ff e8 a4 bf 0c fb 48 81 eb 00 [ 61.411152][ T114] RSP: 0018:ffffc900012d74d8 EFLAGS: 00010246 [ 61.417262][ T114] RAX: 0000000010e217e2 RBX: 0000000000000000 RCX: 0000000000000000 [ 61.425242][ T114] RDX: 0000000000000000 RSI: ffffffff8667b301 RDI: 0000000000000005 [ 61.433233][ T114] RBP: ffffffff80000000 R08: 0000000000000000 R09: ffffffff8abb5e8f [ 61.441197][ T114] R10: 0000000000000000 R11: 1ffffffff185250e R12: 0000000000000000 [ 61.449171][ T114] R13: ffff8880a7c9537c R14: 0000000010e217e2 R15: 0000000000000000 [ 61.457145][ T114] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 61.466092][ T114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.473481][ T114] CR2: 00007f230476f000 CR3: 0000000092f7b000 CR4: 00000000001506f0 [ 61.481450][ T114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.489461][ T114] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.498135][ T114] Kernel panic - not syncing: Fatal exception in interrupt [ 61.506514][ T114] Kernel Offset: disabled [ 61.510831][ T114] Rebooting in 86400 seconds..