Warning: Permanently added '10.128.0.141' (ECDSA) to the list of known hosts. syzkaller login: [ 80.539356] IPVS: ftp: loaded support on port[0] = 21 [ 80.610424] chnl_net:caif_netlink_parms(): no params data found [ 80.678606] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.685341] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.693217] device bridge_slave_0 entered promiscuous mode [ 80.701495] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.707869] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.715739] device bridge_slave_1 entered promiscuous mode [ 80.732900] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 80.741688] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 80.760701] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 80.768072] team0: Port device team_slave_0 added [ 80.773858] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 80.781261] team0: Port device team_slave_1 added [ 80.797078] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.803380] 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. [ 80.828757] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.840845] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.847085] 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. [ 80.872448] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.886159] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 80.893779] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 80.912827] device hsr_slave_0 entered promiscuous mode [ 80.918513] device hsr_slave_1 entered promiscuous mode [ 80.924900] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 80.932174] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 80.996303] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.002751] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.009722] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.016071] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.048100] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 81.055736] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.064278] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 81.074029] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.082491] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.089981] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.096910] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 81.107273] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 81.113860] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.123140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.130896] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.137240] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.146845] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.155098] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.161485] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.180224] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.188044] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.196293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.204786] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.215035] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.224415] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 81.230606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.244192] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 81.251881] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.258520] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.269677] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.302705] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 81.312392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.345723] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 81.352900] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 81.359960] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 81.368632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.376877] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.384216] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.394511] device veth0_vlan entered promiscuous mode [ 81.403274] device veth1_vlan entered promiscuous mode [ 81.410087] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 81.416494] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 81.426744] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 81.437776] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 81.447130] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 81.455166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 81.464408] device veth0_macvtap entered promiscuous mode [ 81.470854] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 81.480327] device veth1_macvtap entered promiscuous mode [ 81.488606] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 81.498286] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 81.508188] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.515433] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 81.523766] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 81.533728] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.541116] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 107.264240] watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/1:0:19] [ 107.271671] Modules linked in: [ 107.274840] irq event stamp: 57205987 [ 107.278620] hardirqs last enabled at (57205986): [] ktime_get+0x235/0x2f0 [ 107.287175] hardirqs last disabled at (57205987): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 107.296861] softirqs last enabled at (10306): [] icmp6_dst_alloc+0x3de/0x660 [ 107.305677] softirqs last disabled at (10308): [] ip6_finish_output2+0x1f2/0x2290 [ 107.315371] CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 4.19.211-syzkaller #0 [ 107.322707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 107.332056] Workqueue: ipv6_addrconf addrconf_dad_work [ 107.337324] RIP: 0010:ktime_get+0x25f/0x2f0 [ 107.341630] Code: 48 c7 c0 88 82 f1 89 48 c1 e8 03 42 80 3c 20 00 0f 85 86 00 00 00 48 83 3d 25 ee 9c 08 00 74 35 e8 06 f1 0d 00 48 89 df 57 9d <0f> 1f 44 00 00 e9 ce fe ff ff e8 f2 f0 0d 00 0f 0b e8 eb f0 0d 00 [ 107.360512] RSP: 0018:ffff8880b5ad6bf0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 107.368200] RAX: ffff8880b5abc500 RBX: 0000000000000293 RCX: 1ffff11016b579e7 [ 107.375520] RDX: 0000000000000000 RSI: ffffffff8154946a RDI: 0000000000000293 [ 107.382790] RBP: fffffbfff13e3050 R08: ffffffff8cd1fa98 R09: 0000000000000000 [ 107.390044] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 107.397292] R13: 1ffffffff13e3052 R14: 0000000000000200 R15: 0000000000000001 [ 107.404542] FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 107.412759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.418618] CR2: 00007ffe42e9f0d8 CR3: 0000000009e6d000 CR4: 00000000003406e0 [ 107.425866] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 107.433111] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 107.440379] Call Trace: [ 107.442958] tcf_police_act+0x3e8/0xe60 [ 107.446910] ? tcf_police_dump+0x960/0x960 [ 107.451133] tcf_action_exec+0x160/0x400 [ 107.455176] basic_classify+0x184/0x2b0 [ 107.459129] tcf_classify+0x120/0x3c0 [ 107.462913] prio_enqueue+0x3bb/0x7a0 [ 107.466694] ? prio_reset+0x160/0x160 [ 107.470469] ? __dev_queue_xmit+0x134e/0x2e00 [ 107.474946] __dev_queue_xmit+0x140a/0x2e00 [ 107.479250] ? netdev_pick_tx+0x2f0/0x2f0 [ 107.483382] ? mark_held_locks+0xa6/0xf0 [ 107.487420] ? ip_finish_output2+0xfbc/0x15a0 [ 107.491892] ip_finish_output2+0xb6d/0x15a0 [ 107.496199] ? ip_send_check+0xb0/0xb0 [ 107.500064] ? ip_output+0x3a5/0x5f0 [ 107.503759] ip_finish_output+0xae9/0x10b0 [ 107.507971] ip_output+0x203/0x5f0 [ 107.511489] ? ip_mc_output+0xec0/0xec0 [ 107.515443] ? ip_fragment.constprop.0+0x240/0x240 [ 107.520350] ? prandom_u32+0x171/0x1f0 [ 107.524215] ip_local_out+0xaf/0x170 [ 107.527911] iptunnel_xmit+0x63b/0x9d0 [ 107.531776] ? erspan_changelink+0x150/0x220 [ 107.536165] geneve_xmit+0x120d/0x2e60 [ 107.540038] ? geneve_fill_metadata_dst+0x1580/0x1580 [ 107.545210] ? __lock_acquire+0x6de/0x3ff0 [ 107.549423] ? netif_skb_features+0x5c1/0xb30 [ 107.553895] ? check_preemption_disabled+0x41/0x280 [ 107.558896] dev_hard_start_xmit+0x1a8/0x920 [ 107.563288] __dev_queue_xmit+0x269d/0x2e00 [ 107.567592] ? netdev_pick_tx+0x2f0/0x2f0 [ 107.571720] ? ip6_finish_output2+0x113d/0x2290 [ 107.576370] ? memcpy+0x35/0x50 [ 107.579635] neigh_resolve_output+0x55a/0x910 [ 107.584113] ip6_finish_output2+0x113d/0x2290 [ 107.588587] ? ip6_forward_finish+0x4b0/0x4b0 [ 107.593061] ? lock_downgrade+0x720/0x720 [ 107.597187] ? lock_acquire+0x170/0x3c0 [ 107.601140] ? check_preemption_disabled+0x41/0x280 [ 107.606137] ip6_finish_output+0x89b/0x10f0 [ 107.610440] ip6_output+0x205/0x770 [ 107.614045] ? ip6_finish_output+0x10f0/0x10f0 [ 107.618606] ? ip6_fragment+0x34e0/0x34e0 [ 107.622736] ? check_preemption_disabled+0x41/0x280 [ 107.627733] ndisc_send_skb+0xa24/0x1720 [ 107.631774] ? ndisc_alloc_skb+0x320/0x320 [ 107.635985] ? ipv6_setsockopt+0x160/0x160 [ 107.640200] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 107.645457] ? __alloc_skb+0x34f/0x560 [ 107.649323] ? skb_set_owner_w+0x1f6/0x330 [ 107.653536] ndisc_send_ns+0x51d/0x840 [ 107.657403] ? addrconf_dad_work+0xa48/0x10a0 [ 107.661875] ? pndisc_redo+0x20/0x20 [ 107.665570] ? mark_held_locks+0xa6/0xf0 [ 107.669610] ? __local_bh_enable_ip+0x159/0x270 [ 107.674259] addrconf_dad_work+0xb0e/0x10a0 [ 107.678559] ? addrconf_dad_completed+0xb60/0xb60 [ 107.683383] process_one_work+0x864/0x1570 [ 107.687600] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 107.692268] worker_thread+0x64c/0x1130 [ 107.696229] ? process_one_work+0x1570/0x1570 [ 107.700708] kthread+0x33f/0x460 [ 107.704053] ? kthread_park+0x180/0x180 [ 107.708010] ret_from_fork+0x24/0x30 [ 107.711708] Kernel panic - not syncing: softlockup: hung tasks [ 107.717659] CPU: 1 PID: 19 Comm: kworker/1:0 Tainted: G L 4.19.211-syzkaller #0 [ 107.726384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 107.735736] Workqueue: ipv6_addrconf addrconf_dad_work [ 107.740986] Call Trace: [ 107.743545] [ 107.745675] dump_stack+0x1fc/0x2ef [ 107.749281] panic+0x26a/0x50e [ 107.752449] ? __warn_printk+0xf3/0xf3 [ 107.756320] ? watchdog_timer_fn.cold+0x5/0x25 [ 107.760883] ? watchdog_timer_fn+0x53e/0x580 [ 107.765272] watchdog_timer_fn.cold+0x16/0x25 [ 107.769749] __hrtimer_run_queues+0x3f6/0xe60 [ 107.774224] ? softlockup_fn+0xb0/0xb0 [ 107.778092] ? hrtimer_fixup_free+0xa0/0xa0 [ 107.782391] ? kvm_clock_get_cycles+0x14/0x30 [ 107.786861] ? ktime_get_update_offsets_now+0x2ec/0x460 [ 107.792206] hrtimer_interrupt+0x326/0x9e0 [ 107.796423] smp_apic_timer_interrupt+0x10c/0x550 [ 107.801246] apic_timer_interrupt+0xf/0x20 [ 107.805457] [ 107.807673] RIP: 0010:ktime_get+0x25f/0x2f0 [ 107.811975] Code: 48 c7 c0 88 82 f1 89 48 c1 e8 03 42 80 3c 20 00 0f 85 86 00 00 00 48 83 3d 25 ee 9c 08 00 74 35 e8 06 f1 0d 00 48 89 df 57 9d <0f> 1f 44 00 00 e9 ce fe ff ff e8 f2 f0 0d 00 0f 0b e8 eb f0 0d 00 [ 107.830857] RSP: 0018:ffff8880b5ad6bf0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 107.838540] RAX: ffff8880b5abc500 RBX: 0000000000000293 RCX: 1ffff11016b579e7 [ 107.845784] RDX: 0000000000000000 RSI: ffffffff8154946a RDI: 0000000000000293 [ 107.853037] RBP: fffffbfff13e3050 R08: ffffffff8cd1fa98 R09: 0000000000000000 [ 107.860280] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 107.867524] R13: 1ffffffff13e3052 R14: 0000000000000200 R15: 0000000000000001 [ 107.874780] ? ktime_get+0x25a/0x2f0 [ 107.878477] tcf_police_act+0x3e8/0xe60 [ 107.882431] ? tcf_police_dump+0x960/0x960 [ 107.886648] tcf_action_exec+0x160/0x400 [ 107.890690] basic_classify+0x184/0x2b0 [ 107.894645] tcf_classify+0x120/0x3c0 [ 107.898424] prio_enqueue+0x3bb/0x7a0 [ 107.902202] ? prio_reset+0x160/0x160 [ 107.905979] ? __dev_queue_xmit+0x134e/0x2e00 [ 107.910455] __dev_queue_xmit+0x140a/0x2e00 [ 107.914761] ? netdev_pick_tx+0x2f0/0x2f0 [ 107.918894] ? mark_held_locks+0xa6/0xf0 [ 107.922932] ? ip_finish_output2+0xfbc/0x15a0 [ 107.927404] ip_finish_output2+0xb6d/0x15a0 [ 107.931704] ? ip_send_check+0xb0/0xb0 [ 107.935565] ? ip_output+0x3a5/0x5f0 [ 107.939258] ip_finish_output+0xae9/0x10b0 [ 107.943472] ip_output+0x203/0x5f0 [ 107.946993] ? ip_mc_output+0xec0/0xec0 [ 107.950947] ? ip_fragment.constprop.0+0x240/0x240 [ 107.955858] ? prandom_u32+0x171/0x1f0 [ 107.959730] ip_local_out+0xaf/0x170 [ 107.963421] iptunnel_xmit+0x63b/0x9d0 [ 107.967286] ? erspan_changelink+0x150/0x220 [ 107.971677] geneve_xmit+0x120d/0x2e60 [ 107.975550] ? geneve_fill_metadata_dst+0x1580/0x1580 [ 107.980724] ? __lock_acquire+0x6de/0x3ff0 [ 107.984949] ? netif_skb_features+0x5c1/0xb30 [ 107.989423] ? check_preemption_disabled+0x41/0x280 [ 107.994423] dev_hard_start_xmit+0x1a8/0x920 [ 107.998815] __dev_queue_xmit+0x269d/0x2e00 [ 108.003117] ? netdev_pick_tx+0x2f0/0x2f0 [ 108.007244] ? ip6_finish_output2+0x113d/0x2290 [ 108.011894] ? memcpy+0x35/0x50 [ 108.015158] neigh_resolve_output+0x55a/0x910 [ 108.019636] ip6_finish_output2+0x113d/0x2290 [ 108.024120] ? ip6_forward_finish+0x4b0/0x4b0 [ 108.028611] ? lock_downgrade+0x720/0x720 [ 108.032738] ? lock_acquire+0x170/0x3c0 [ 108.036695] ? check_preemption_disabled+0x41/0x280 [ 108.041697] ip6_finish_output+0x89b/0x10f0 [ 108.045998] ip6_output+0x205/0x770 [ 108.049602] ? ip6_finish_output+0x10f0/0x10f0 [ 108.054163] ? ip6_fragment+0x34e0/0x34e0 [ 108.058289] ? check_preemption_disabled+0x41/0x280 [ 108.063285] ndisc_send_skb+0xa24/0x1720 [ 108.067326] ? ndisc_alloc_skb+0x320/0x320 [ 108.071545] ? ipv6_setsockopt+0x160/0x160 [ 108.075758] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 108.081017] ? __alloc_skb+0x34f/0x560 [ 108.084881] ? skb_set_owner_w+0x1f6/0x330 [ 108.089092] ndisc_send_ns+0x51d/0x840 [ 108.092957] ? addrconf_dad_work+0xa48/0x10a0 [ 108.097430] ? pndisc_redo+0x20/0x20 [ 108.101124] ? mark_held_locks+0xa6/0xf0 [ 108.105162] ? __local_bh_enable_ip+0x159/0x270 [ 108.109810] addrconf_dad_work+0xb0e/0x10a0 [ 108.114116] ? addrconf_dad_completed+0xb60/0xb60 [ 108.118939] process_one_work+0x864/0x1570 [ 108.123156] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 108.127806] worker_thread+0x64c/0x1130 [ 108.131769] ? process_one_work+0x1570/0x1570 [ 108.136241] kthread+0x33f/0x460 [ 108.139585] ? kthread_park+0x180/0x180 [ 108.143542] ret_from_fork+0x24/0x30 [ 108.147524] Kernel Offset: disabled [ 108.151184] Rebooting in 86400 seconds..