[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ 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 '10.128.0.228' (ECDSA) to the list of known hosts. syzkaller login: [ 57.446875][ T6846] IPVS: ftp: loaded support on port[0] = 21 [ 57.596761][ T6846] chnl_net:caif_netlink_parms(): no params data found [ 57.652008][ T6846] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.659164][ T6846] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.668025][ T6846] device bridge_slave_0 entered promiscuous mode [ 57.677271][ T6846] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.685366][ T6846] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.693723][ T6846] device bridge_slave_1 entered promiscuous mode [ 57.714242][ T6846] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.725288][ T6846] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.749621][ T6846] team0: Port device team_slave_0 added [ 57.757781][ T6846] team0: Port device team_slave_1 added [ 57.776279][ T6846] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.783485][ T6846] 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. [ 57.810531][ T6846] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.824133][ T6846] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.832000][ T6846] 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. [ 57.858988][ T6846] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.887778][ T6846] device hsr_slave_0 entered promiscuous mode [ 57.894744][ T6846] device hsr_slave_1 entered promiscuous mode [ 57.994789][ T6846] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.006413][ T6846] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.022802][ T6846] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.034905][ T6846] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.061620][ T6846] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.068817][ T6846] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.076651][ T6846] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.083809][ T6846] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.128924][ T6846] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.143667][ T2616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.154395][ T2616] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.162850][ T2616] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.170579][ T2616] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.184018][ T6846] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.195962][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.204873][ T3123] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.212049][ T3123] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.232025][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.240514][ T3123] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.248225][ T3123] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.269868][ T6846] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.280939][ T6846] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.293748][ T2616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.303019][ T2616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.311633][ T2616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.320167][ T2616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.329033][ T2616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.336815][ T2616] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.360040][ T6846] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.367503][ T2616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.375735][ T2616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.401959][ T2616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.418666][ T6846] device veth0_vlan entered promiscuous mode [ 58.426811][ T7066] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.436971][ T7066] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.445130][ T7066] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.457383][ T6846] device veth1_vlan entered promiscuous mode [ 58.478565][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.487240][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.496023][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.506753][ T6846] device veth0_macvtap entered promiscuous mode [ 58.517461][ T6846] device veth1_macvtap entered promiscuous mode [ 58.535119][ T6846] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.543294][ T7066] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.555354][ T7066] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.566980][ T6846] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.574370][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.583104][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.595498][ T6846] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.607362][ T6846] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.617931][ T6846] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.628614][ T6846] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.673099][ T3123] divide_error: 0000 [#1] PREEMPT SMP KASAN [ 58.679026][ T3123] CPU: 1 PID: 3123 Comm: kworker/1:3 Not tainted 5.9.0-rc1-syzkaller #0 [ 58.687319][ T3123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.697357][ T3123] Workqueue: wg-kex-wg0 wg_packet_handshake_receive_worker [ 58.704544][ T3123] RIP: 0010:tabledist.part.0+0x22a/0x2a0 [ 58.710156][ T3123] Code: 4c 01 f0 48 c1 e8 20 41 89 45 00 41 89 c6 e8 8d 7c 0e fb 48 85 db 0f 85 6d fe ff ff e8 7f 7c 0e fb 8d 4c 2d 00 44 89 f0 31 d2 f1 49 29 ec 49 01 d4 e9 2b ff ff ff e8 64 7c 0e fb 48 81 eb 00 [ 58.729771][ T3123] RSP: 0018:ffffc90001127560 EFLAGS: 00010246 [ 58.735810][ T3123] RAX: 00000000d5113d3a RBX: 0000000000000000 RCX: 0000000000000000 [ 58.743769][ T3123] RDX: 0000000000000000 RSI: ffffffff8665c501 RDI: 0000000000000005 [ 58.751717][ T3123] RBP: ffffffff80000000 R08: 0000000000000000 R09: ffffffff8ab21acf [ 58.759665][ T3123] R10: 0000000000000000 R11: 1ffffffff18473f0 R12: 0000000000000000 [ 58.767647][ T3123] R13: ffff8880a897337c R14: 00000000d5113d3a R15: 0000000000000000 [ 58.775596][ T3123] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 58.784505][ T3123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.791067][ T3123] CR2: 00007f6f05ba1018 CR3: 0000000099d42000 CR4: 00000000001506e0 [ 58.799046][ T3123] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.806993][ T3123] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.814970][ T3123] Call Trace: [ 58.818240][ T3123] netem_enqueue+0x45e/0x350f [ 58.822900][ T3123] ? lock_release+0x8e0/0x8e0 [ 58.827553][ T3123] ? do_raw_spin_lock+0x120/0x2b0 [ 58.832551][ T3123] ? netem_dump+0x1120/0x1120 [ 58.837199][ T3123] ? rwlock_bug.part.0+0x90/0x90 [ 58.842119][ T3123] __dev_queue_xmit+0x1878/0x2d60 [ 58.847127][ T3123] ? lock_acquire+0x1f1/0xad0 [ 58.851817][ T3123] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 58.857086][ T3123] ? mark_lock+0xbc/0x1710 [ 58.861474][ T3123] ? mark_held_locks+0x9f/0xe0 [ 58.866208][ T3123] ? ip6_finish_output2+0x5d2/0x17b0 [ 58.871467][ T3123] ? lockdep_hardirqs_on_prepare+0x19c/0x530 [ 58.877418][ T3123] ip6_finish_output2+0x7f1/0x17b0 [ 58.882503][ T3123] __ip6_finish_output+0x447/0xab0 [ 58.887587][ T3123] ip6_finish_output+0x34/0x1f0 [ 58.892419][ T3123] ip6_output+0x1db/0x520 [ 58.896723][ T3123] ip6_local_out+0xaf/0x1a0 [ 58.901199][ T3123] udp_tunnel6_xmit_skb+0x6a6/0xb90 [ 58.906385][ T3123] send6+0x4cd/0xbc0 [ 58.910251][ T3123] ? send4+0xd70/0xd70 [ 58.914299][ T3123] ? memset+0x20/0x40 [ 58.918264][ T3123] wg_socket_send_buffer_to_peer+0x1f9/0x340 [ 58.924218][ T3123] wg_packet_send_handshake_response+0x1b9/0x1e0 [ 58.930518][ T3123] ? wg_packet_send_queued_handshake_initiation+0x3c0/0x3c0 [ 58.937810][ T3123] ? lockdep_hardirqs_on+0x76/0xf0 [ 58.942907][ T3123] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 58.948685][ T3123] wg_packet_handshake_receive_worker+0x5b7/0x730 [ 58.955071][ T3123] ? lock_is_held_type+0xbb/0xf0 [ 58.959995][ T3123] process_one_work+0x94c/0x1670 [ 58.964908][ T3123] ? lock_release+0x8e0/0x8e0 [ 58.969573][ T3123] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 58.974917][ T3123] ? rwlock_bug.part.0+0x90/0x90 [ 58.979827][ T3123] worker_thread+0x64c/0x1120 [ 58.984478][ T3123] ? __kthread_parkme+0x13f/0x1e0 [ 58.989476][ T3123] ? process_one_work+0x1670/0x1670 [ 58.994646][ T3123] kthread+0x3b5/0x4a0 [ 58.998697][ T3123] ? __kthread_bind_mask+0xc0/0xc0 [ 59.003777][ T3123] ? __kthread_bind_mask+0xc0/0xc0 [ 59.008880][ T3123] ret_from_fork+0x1f/0x30 [ 59.013274][ T3123] Modules linked in: [ 59.017237][ T3123] ---[ end trace c62ad9ead847bcbf ]--- [ 59.022703][ T3123] RIP: 0010:tabledist.part.0+0x22a/0x2a0 [ 59.028316][ T3123] Code: 4c 01 f0 48 c1 e8 20 41 89 45 00 41 89 c6 e8 8d 7c 0e fb 48 85 db 0f 85 6d fe ff ff e8 7f 7c 0e fb 8d 4c 2d 00 44 89 f0 31 d2 f1 49 29 ec 49 01 d4 e9 2b ff ff ff e8 64 7c 0e fb 48 81 eb 00 [ 59.047925][ T3123] RSP: 0018:ffffc90001127560 EFLAGS: 00010246 [ 59.053978][ T3123] RAX: 00000000d5113d3a RBX: 0000000000000000 RCX: 0000000000000000 [ 59.061938][ T3123] RDX: 0000000000000000 RSI: ffffffff8665c501 RDI: 0000000000000005 [ 59.069892][ T3123] RBP: ffffffff80000000 R08: 0000000000000000 R09: ffffffff8ab21acf [ 59.077868][ T3123] R10: 0000000000000000 R11: 1ffffffff18473f0 R12: 0000000000000000 [ 59.085841][ T3123] R13: ffff8880a897337c R14: 00000000d5113d3a R15: 0000000000000000 [ 59.093816][ T3123] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 59.102749][ T3123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.109314][ T3123] CR2: 00007f6f05ba1018 CR3: 0000000099d42000 CR4: 00000000001506e0 [ 59.117285][ T3123] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.125257][ T3123] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.133228][ T3123] Kernel panic - not syncing: Fatal exception in interrupt [ 59.141416][ T3123] Kernel Offset: disabled [ 59.145728][ T3123] Rebooting in 86400 seconds..