[ 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 '10.128.0.108' (ECDSA) to the list of known hosts. syzkaller login: [ 32.314539] IPVS: ftp: loaded support on port[0] = 21 [ 32.398348] chnl_net:caif_netlink_parms(): no params data found [ 32.490170] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.497170] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.504134] device bridge_slave_0 entered promiscuous mode [ 32.511779] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.518398] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.525275] device bridge_slave_1 entered promiscuous mode [ 32.541497] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.550108] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.567811] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.574912] team0: Port device team_slave_0 added [ 32.581168] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 32.588395] team0: Port device team_slave_1 added [ 32.602839] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 32.609123] 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. [ 32.634385] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.645574] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.651891] 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. [ 32.677103] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.690962] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 32.698693] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 32.716910] device hsr_slave_0 entered promiscuous mode [ 32.722488] device hsr_slave_1 entered promiscuous mode [ 32.728646] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 32.735627] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 32.795341] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.801775] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.808667] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.815020] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.842679] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 32.849772] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.858418] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.867933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 32.886563] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.893481] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.903299] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 32.909596] 8021q: adding VLAN 0 to HW filter on device team0 [ 32.917900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 32.925422] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.931806] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.940821] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 32.948576] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.954906] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.968442] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.976171] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 32.985307] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.994994] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 33.005399] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 33.016634] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 33.022635] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 33.030711] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 33.042479] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 33.049584] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 33.056700] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 33.066461] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 33.114063] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 33.123238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 33.150981] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 33.158495] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 33.164863] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 33.174304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 33.182072] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 33.189001] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 33.197701] device veth0_vlan entered promiscuous mode [ 33.206355] device veth1_vlan entered promiscuous mode [ 33.212130] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 33.220861] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 33.231585] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 33.240697] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 33.248494] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 33.255850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 33.265222] device veth0_macvtap entered promiscuous mode [ 33.271577] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 33.279539] device veth1_macvtap entered promiscuous mode [ 33.288215] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 33.297399] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 33.307117] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 33.313803] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 33.322074] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 33.331344] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 33.338108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 33.386113] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 33.455780] kasan: CONFIG_KASAN_INLINE enabled [ 33.460520] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 33.467954] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 33.474168] Modules linked in: [ 33.477340] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.14.302-syzkaller #0 [ 33.484413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 33.493743] task: ffff8880b5464340 task.stack: ffff8880b5470000 [ 33.499779] RIP: 0010:em_u32_match+0x156/0x2f0 [ 33.504337] RSP: 0018:ffff8880ba506f60 EFLAGS: 00010202 [ 33.509675] RAX: dffffc0000000000 RBX: ffff8880af4975de RCX: 0000000000000000 [ 33.516923] RDX: 0000000000000001 RSI: ffff8880ae9202c0 RDI: 0000000000000008 [ 33.524180] RBP: ffff8880b4200c00 R08: 0000000000000001 R09: ffffffff8a670b72 [ 33.531430] R10: 0000000000000000 R11: ffff8880b5464340 R12: 0000000000000000 [ 33.538675] R13: 0000000000000000 R14: ffff8880af4975c0 R15: 0000000000000000 [ 33.545921] FS: 0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 33.554119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.559974] CR2: 0000556ebd5da068 CR3: 000000009cce7000 CR4: 00000000003406e0 [ 33.567250] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.574495] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.581741] Call Trace: [ 33.584299] [ 33.586432] __tcf_em_tree_match+0x131/0x460 [ 33.590815] ? tcf_em_tree_dump+0x7d0/0x7d0 [ 33.595113] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 33.600189] ? check_preemption_disabled+0x35/0x240 [ 33.605178] basic_classify+0x193/0x280 [ 33.609128] tcf_classify+0xfd/0x300 [ 33.612816] prio_enqueue+0x30c/0x670 [ 33.616677] ? __dev_queue_xmit+0x1108/0x2480 [ 33.621144] ? prio_init+0x60/0x60 [ 33.624662] __dev_queue_xmit+0x121d/0x2480 [ 33.629046] ? netdev_pick_tx+0x2e0/0x2e0 [ 33.633167] ? ip_finish_output+0x37c/0xc50 [ 33.637463] ? mark_held_locks+0xa6/0xf0 [ 33.641502] ? ip_finish_output2+0xd91/0x1340 [ 33.645970] ip_finish_output2+0x9db/0x1340 [ 33.650267] ? ip_send_check+0xb0/0xb0 [ 33.654126] ? lock_acquire+0x170/0x3f0 [ 33.658075] ip_finish_output+0x37c/0xc50 [ 33.662197] ip_output+0x1cd/0x510 [ 33.665709] ? ip_mc_output+0xcb0/0xcb0 [ 33.669657] ? ip_forward_options+0x7e0/0x7e0 [ 33.674138] ? ip_idents_reserve+0x9c/0xf0 [ 33.678346] ip_local_out+0x93/0x170 [ 33.682035] iptunnel_xmit+0x5cc/0x950 [ 33.685897] geneve_xmit+0xf15/0x2ca0 [ 33.689674] ? geneve_fill_metadata_dst+0x14e0/0x14e0 [ 33.694839] ? skb_network_protocol+0x111/0x4a0 [ 33.699482] ? skb_crc32c_csum_help+0x70/0x70 [ 33.703952] ? static_obj+0x50/0x50 [ 33.707568] ? __lock_acquire+0x5fc/0x3f20 [ 33.711776] ? netif_skb_features+0x4ed/0x9f0 [ 33.716246] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 33.721668] dev_hard_start_xmit+0x188/0x890 [ 33.726052] __dev_queue_xmit+0x1d7f/0x2480 [ 33.730348] ? ipv6_chk_mcast_addr+0xd8/0x600 [ 33.734817] ? netdev_pick_tx+0x2e0/0x2e0 [ 33.738940] ? ip6_finish_output+0x5c6/0xd50 [ 33.743324] ? mark_held_locks+0xa6/0xf0 [ 33.747359] ? ip6_finish_output2+0x149a/0x1f10 [ 33.752001] ip6_finish_output2+0xc6a/0x1f10 [ 33.756385] ? ip6_forward_finish+0x470/0x470 [ 33.760854] ? lock_acquire+0x170/0x3f0 [ 33.764804] ? lock_downgrade+0x740/0x740 [ 33.768926] ip6_finish_output+0x5c6/0xd50 [ 33.773136] ip6_output+0x1c5/0x660 [ 33.776737] ? ip6_finish_output+0xd50/0xd50 [ 33.781117] ? lock_downgrade+0x740/0x740 [ 33.785239] mld_sendpack+0x5fe/0xea0 [ 33.789015] ? ip6_mc_find_dev_rcu+0x1c0/0x1c0 [ 33.793569] ? ipv6_icmp_sysctl_init+0x70/0x70 [ 33.798125] ? mld_ifc_timer_expire+0x56a/0xcd0 [ 33.802771] ? __local_bh_enable_ip+0xc1/0x170 [ 33.807327] mld_ifc_timer_expire+0x57c/0xcd0 [ 33.811800] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 33.817224] call_timer_fn+0x14a/0x650 [ 33.821085] ? igmp6_group_added+0x4c0/0x4c0 [ 33.825466] ? collect_expired_timers+0x250/0x250 [ 33.830290] ? _raw_spin_unlock_irq+0x24/0x80 [ 33.834762] ? igmp6_group_added+0x4c0/0x4c0 [ 33.839142] expire_timers+0x232/0x4d0 [ 33.843002] run_timer_softirq+0x1d5/0x5a0 [ 33.847212] ? expire_timers+0x4d0/0x4d0 [ 33.851248] ? kvm_clock_read+0x1f/0x30 [ 33.855196] ? kvm_sched_clock_read+0x5/0x10 [ 33.859577] ? sched_clock+0x2a/0x40 [ 33.863266] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 33.868692] __do_softirq+0x24d/0x9ff [ 33.872467] ? check_preemption_disabled+0x35/0x240 [ 33.877459] irq_exit+0x193/0x240 [ 33.880888] smp_apic_timer_interrupt+0x141/0x5e0 [ 33.885715] apic_timer_interrupt+0x93/0xa0 [ 33.890007] [ 33.892219] RIP: 0010:native_safe_halt+0xe/0x10 [ 33.896858] RSP: 0018:ffff8880b5477e68 EFLAGS: 000002c2 ORIG_RAX: ffffffffffffff10 [ 33.904540] RAX: 1ffffffff11e13dc RBX: dffffc0000000000 RCX: 0000000000000000 [ 33.911785] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880b5464bc4 [ 33.919026] RBP: ffffffff88f09ed0 R08: 0000000000000000 R09: 0000000000000000 [ 33.926281] R10: 0000000000000000 R11: 0000000000000000 R12: ffffed1016a8c868 [ 33.933534] R13: ffff8880b5464340 R14: 0000000000000000 R15: 0000000000000000 [ 33.940796] default_idle+0x47/0x370 [ 33.944489] do_idle+0x250/0x3c0 [ 33.947828] cpu_startup_entry+0x14/0x20 [ 33.951862] start_secondary+0x4db/0x670 [ 33.955913] ? set_cpu_sibling_map+0x1680/0x1680 [ 33.960645] secondary_startup_64+0xa5/0xb0 [ 33.964938] Code: 85 92 01 00 00 41 23 5c 24 0c 48 63 db 4c 01 fb e8 60 0a 73 fb 49 8d 7c 24 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 [ 33.984003] RIP: em_u32_match+0x156/0x2f0 RSP: ffff8880ba506f60 [ 33.990096] ---[ end trace b7a455b0e388be53 ]--- [ 33.994838] Kernel panic - not syncing: Fatal exception in interrupt [ 34.001483] Kernel Offset: disabled [ 34.005091] Rebooting in 86400 seconds..