[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.85' (ECDSA) to the list of known hosts. syzkaller login: [ 60.518085][ T6872] IPVS: ftp: loaded support on port[0] = 21 [ 60.611890][ T6872] chnl_net:caif_netlink_parms(): no params data found [ 60.664545][ T6872] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.672779][ T6872] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.681228][ T6872] device bridge_slave_0 entered promiscuous mode [ 60.689857][ T6872] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.697072][ T6872] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.704734][ T6872] device bridge_slave_1 entered promiscuous mode [ 60.725337][ T6872] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.736139][ T6872] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.759486][ T6872] team0: Port device team_slave_0 added [ 60.766975][ T6872] team0: Port device team_slave_1 added [ 60.783735][ T6872] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.790758][ T6872] 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. [ 60.816780][ T6872] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.829220][ T6872] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.836146][ T6872] 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. [ 60.863004][ T6872] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.889635][ T6872] device hsr_slave_0 entered promiscuous mode [ 60.896303][ T6872] device hsr_slave_1 entered promiscuous mode [ 60.992936][ T6872] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.002726][ T6872] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.013008][ T6872] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.023024][ T6872] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.046413][ T6872] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.053560][ T6872] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.061428][ T6872] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.068553][ T6872] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.114240][ T6872] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.129531][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.140265][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.149227][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.158351][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.171639][ T6872] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.182958][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.192398][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.199510][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.218456][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.227665][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.234726][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.258110][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.268684][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.277855][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.285974][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.296175][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.305357][ T6872] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.324108][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.332097][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.345319][ T6872] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.365821][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.385756][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.394916][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.403366][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.414131][ T6872] device veth0_vlan entered promiscuous mode [ 61.426107][ T6872] device veth1_vlan entered promiscuous mode [ 61.449134][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.458006][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.466058][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.477703][ T6872] device veth0_macvtap entered promiscuous mode [ 61.487742][ T6872] device veth1_macvtap entered promiscuous mode [ 61.506792][ T6872] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.514152][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.524974][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.537549][ T6872] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.544974][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.558690][ T6872] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.567543][ T6872] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.576215][ T6872] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.585770][ T6872] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.626352][ T12] divide_error: 0000 [#1] PREEMPT SMP KASAN [ 61.632252][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.9.0-rc1-syzkaller #0 [ 61.640374][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.650427][ T12] Workqueue: wg-crypt-wg2 wg_packet_tx_worker [ 61.656472][ T12] RIP: 0010:tabledist.part.0+0x22a/0x2a0 [ 61.662076][ T12] Code: 4c 01 f0 48 c1 e8 20 41 89 45 00 41 89 c6 e8 bd 2e 0e fb 48 85 db 0f 85 6d fe ff ff e8 af 2e 0e fb 8d 4c 2d 00 44 89 f0 31 d2 f1 49 29 ec 49 01 d4 e9 2b ff ff ff e8 94 2e 0e fb 48 81 eb 00 [ 61.681655][ T12] RSP: 0018:ffffc90000d2f5c0 EFLAGS: 00010246 [ 61.687695][ T12] RAX: 000000008d5d309e RBX: 0000000000000000 RCX: 0000000000000000 [ 61.695638][ T12] RDX: 0000000000000000 RSI: ffffffff86661061 RDI: 0000000000000005 [ 61.703581][ T12] RBP: ffffffff80000000 R08: 0000000000000000 R09: ffffffff8ab230cf [ 61.711536][ T12] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 61.719481][ T12] R13: ffff88809242537c R14: 000000008d5d309e R15: 0000000000000000 [ 61.727425][ T12] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 61.736329][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.742887][ T12] CR2: 00000000004c8d28 CR3: 00000000a8809000 CR4: 00000000001506f0 [ 61.750845][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.758800][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.766741][ T12] Call Trace: [ 61.770011][ T12] netem_enqueue+0x45e/0x350f [ 61.774677][ T12] ? lock_release+0x8e0/0x8e0 [ 61.779339][ T12] ? do_raw_spin_lock+0x120/0x2b0 [ 61.784335][ T12] ? netem_dump+0x1120/0x1120 [ 61.788988][ T12] ? rwlock_bug.part.0+0x90/0x90 [ 61.793899][ T12] __dev_queue_xmit+0x1878/0x2d60 [ 61.798899][ T12] ? lock_acquire+0x1f1/0xad0 [ 61.803560][ T12] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 61.808819][ T12] ? mark_lock+0xbc/0x1710 [ 61.813210][ T12] ? mark_held_locks+0x9f/0xe0 [ 61.817948][ T12] ? ip_finish_output2+0x12f7/0x21f0 [ 61.823205][ T12] ? lockdep_hardirqs_on_prepare+0x19c/0x530 [ 61.829156][ T12] ip_finish_output2+0x1523/0x21f0 [ 61.834252][ T12] ? ip_frag_next+0x9a0/0x9a0 [ 61.838916][ T12] __ip_finish_output+0x779/0xcb0 [ 61.844446][ T12] ? ip_fragment.constprop.0+0x240/0x240 [ 61.850069][ T12] ? __ip_finish_output+0xcb0/0xcb0 [ 61.855252][ T12] ? xfrm_lookup_with_ifid+0x541/0x2100 [ 61.860770][ T12] ip_finish_output+0x34/0x1f0 [ 61.865504][ T12] ip_output+0x196/0x310 [ 61.869720][ T12] ip_local_out+0xaf/0x1a0 [ 61.874110][ T12] iptunnel_xmit+0x5a0/0x9b0 [ 61.878674][ T12] ? ipgre_header+0x40/0x3c0 [ 61.883241][ T12] send4+0x4c6/0xd70 [ 61.887111][ T12] ? wg_receive+0xb0/0xb0 [ 61.891418][ T12] ? mark_held_locks+0x9f/0xe0 [ 61.896156][ T12] wg_socket_send_skb_to_peer+0x192/0x220 [ 61.901849][ T12] wg_packet_tx_worker+0x2f9/0x980 [ 61.906936][ T12] process_one_work+0x94c/0x1670 [ 61.911847][ T12] ? lock_release+0x8e0/0x8e0 [ 61.916505][ T12] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 61.921865][ T12] ? rwlock_bug.part.0+0x90/0x90 [ 61.926789][ T12] worker_thread+0x64c/0x1120 [ 61.931450][ T12] ? __kthread_parkme+0x13f/0x1e0 [ 61.936446][ T12] ? process_one_work+0x1670/0x1670 [ 61.941625][ T12] kthread+0x3b5/0x4a0 [ 61.945668][ T12] ? __kthread_bind_mask+0xc0/0xc0 [ 61.950762][ T12] ? __kthread_bind_mask+0xc0/0xc0 [ 61.955846][ T12] ret_from_fork+0x1f/0x30 [ 61.960230][ T12] Modules linked in: [ 61.964181][ T12] ---[ end trace 59746853cf9121f6 ]--- [ 61.969667][ T12] RIP: 0010:tabledist.part.0+0x22a/0x2a0 [ 61.975335][ T12] Code: 4c 01 f0 48 c1 e8 20 41 89 45 00 41 89 c6 e8 bd 2e 0e fb 48 85 db 0f 85 6d fe ff ff e8 af 2e 0e fb 8d 4c 2d 00 44 89 f0 31 d2 f1 49 29 ec 49 01 d4 e9 2b ff ff ff e8 94 2e 0e fb 48 81 eb 00 [ 61.994972][ T12] RSP: 0018:ffffc90000d2f5c0 EFLAGS: 00010246 [ 62.001072][ T12] RAX: 000000008d5d309e RBX: 0000000000000000 RCX: 0000000000000000 [ 62.009081][ T12] RDX: 0000000000000000 RSI: ffffffff86661061 RDI: 0000000000000005 [ 62.017080][ T12] RBP: ffffffff80000000 R08: 0000000000000000 R09: ffffffff8ab230cf [ 62.025052][ T12] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 62.033066][ T12] R13: ffff88809242537c R14: 000000008d5d309e R15: 0000000000000000 [ 62.041087][ T12] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 62.050059][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.056675][ T12] CR2: 00000000004c8d28 CR3: 0000000009a8d000 CR4: 00000000001506f0 [ 62.064637][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.072645][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.080643][ T12] Kernel panic - not syncing: Fatal exception in interrupt [ 62.088877][ T12] Kernel Offset: disabled [ 62.093192][ T12] Rebooting in 86400 seconds..