Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts. syzkaller login: [ 81.375927] IPVS: ftp: loaded support on port[0] = 21 [ 81.444383] chnl_net:caif_netlink_parms(): no params data found [ 81.511767] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.518717] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.526439] device bridge_slave_0 entered promiscuous mode [ 81.533321] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.540041] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.547152] device bridge_slave_1 entered promiscuous mode [ 81.564006] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 81.572647] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 81.590243] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 81.597777] team0: Port device team_slave_0 added [ 81.603088] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 81.610614] team0: Port device team_slave_1 added [ 81.625817] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.632043] 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. [ 81.657413] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.668567] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.674786] 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. [ 81.700022] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.713336] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 81.720960] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 81.739507] device hsr_slave_0 entered promiscuous mode [ 81.745429] device hsr_slave_1 entered promiscuous mode [ 81.751377] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 81.758599] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 81.821486] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.827880] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.834541] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.840928] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.871052] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 81.878497] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.886762] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 81.894642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.903285] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.910409] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.917610] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 81.927645] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 81.933690] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.943052] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.950844] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.957234] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.976505] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.984010] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.990383] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.998610] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.006687] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.014172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.022236] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.031152] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.040579] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 82.046954] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.060312] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 82.068277] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.074892] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.084936] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.116895] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 82.126582] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.159005] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 82.166048] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 82.172456] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 82.181580] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.189197] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.196193] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.204474] device veth0_vlan entered promiscuous mode [ 82.212815] device veth1_vlan entered promiscuous mode [ 82.220041] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 82.229116] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 82.240803] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 82.249844] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.257209] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 82.264377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.274044] device veth0_macvtap entered promiscuous mode [ 82.280547] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 82.288444] device veth1_macvtap entered promiscuous mode [ 82.297063] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 82.306834] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 82.316633] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.323230] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.331828] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.341443] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.348579] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 107.061229] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:3:8321] [ 107.068791] Modules linked in: [ 107.071959] irq event stamp: 55032399 [ 107.075743] hardirqs last enabled at (55032398): [] ktime_get+0x235/0x2f0 [ 107.084298] hardirqs last disabled at (55032399): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 107.093980] softirqs last enabled at (9108): [] icmp6_dst_alloc+0x3de/0x660 [ 107.102707] softirqs last disabled at (9110): [] ip6_finish_output2+0x1f2/0x2290 [ 107.112215] CPU: 0 PID: 8321 Comm: kworker/0:3 Not tainted 4.19.211-syzkaller #0 [ 107.119722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 107.129057] Workqueue: ipv6_addrconf addrconf_dad_work [ 107.134314] RIP: 0010:tcf_police_act+0x599/0xe60 [ 107.139043] Code: 0f 85 a9 08 00 00 48 8d bb 08 01 00 00 44 0f b6 ab 0e 01 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 0f b6 14 11 <84> d2 74 09 80 fa 03 0f 8e ba 07 00 00 48 8d bb 0f 01 00 00 8b ab [ 107.157918] RSP: 0018:ffff88809482ec40 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 [ 107.165600] RAX: 0000000000000000 RBX: ffff888096d21040 RCX: 1ffff11012da4229 [ 107.172843] RDX: 0000000000000000 RSI: ffffffff868c9866 RDI: ffff888096d21148 [ 107.180090] RBP: 0000000000000088 R08: ffffffff8c665018 R09: 0000000000000000 [ 107.187337] R10: 0000000000000001 R11: ffffffff8c66501b R12: 1ffff11012905d8d [ 107.194582] R13: 0000000000000000 R14: ffff888096d210b0 R15: 0000000000000000 [ 107.201828] FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 107.210030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.215887] CR2: 00007fff5d297828 CR3: 0000000009e6d000 CR4: 00000000003406f0 [ 107.223134] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 107.230383] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 107.237628] Call Trace: [ 107.240198] ? tcf_police_dump+0x960/0x960 [ 107.244411] ? tcf_action_exec+0x16f/0x400 [ 107.248620] ? tcf_action_exec+0x12e/0x400 [ 107.252834] tcf_action_exec+0x160/0x400 [ 107.256877] basic_classify+0x184/0x2b0 [ 107.260829] tcf_classify+0x120/0x3c0 [ 107.264607] prio_enqueue+0x3bb/0x7a0 [ 107.268383] ? prio_reset+0x160/0x160 [ 107.272159] ? __dev_queue_xmit+0x134e/0x2e00 [ 107.276639] __dev_queue_xmit+0x140a/0x2e00 [ 107.280943] ? netdev_pick_tx+0x2f0/0x2f0 [ 107.285075] ? mark_held_locks+0xa6/0xf0 [ 107.289111] ? ip_finish_output2+0xfbc/0x15a0 [ 107.293583] ip_finish_output2+0xb6d/0x15a0 [ 107.297883] ? ip_send_check+0xb0/0xb0 [ 107.301744] ? ip_output+0x3a5/0x5f0 [ 107.305440] ip_finish_output+0xae9/0x10b0 [ 107.309655] ip_output+0x203/0x5f0 [ 107.313176] ? ip_mc_output+0xec0/0xec0 [ 107.317128] ? ip_fragment.constprop.0+0x240/0x240 [ 107.322033] ? prandom_u32+0x171/0x1f0 [ 107.325899] ip_local_out+0xaf/0x170 [ 107.329591] iptunnel_xmit+0x63b/0x9d0 [ 107.333455] ? erspan_changelink+0x150/0x220 [ 107.337843] geneve_xmit+0x120d/0x2e60 [ 107.341713] ? geneve_fill_metadata_dst+0x1580/0x1580 [ 107.346889] ? __lock_acquire+0x6de/0x3ff0 [ 107.351100] ? netif_skb_features+0x5c1/0xb30 [ 107.355594] ? check_preemption_disabled+0x41/0x280 [ 107.360616] dev_hard_start_xmit+0x1a8/0x920 [ 107.365010] __dev_queue_xmit+0x269d/0x2e00 [ 107.369313] ? netdev_pick_tx+0x2f0/0x2f0 [ 107.373447] ? ip6_finish_output2+0x113d/0x2290 [ 107.378097] ? memcpy+0x35/0x50 [ 107.381361] neigh_resolve_output+0x55a/0x910 [ 107.385841] ip6_finish_output2+0x113d/0x2290 [ 107.390317] ? ip6_forward_finish+0x4b0/0x4b0 [ 107.394791] ? lock_downgrade+0x720/0x720 [ 107.398916] ? lock_acquire+0x170/0x3c0 [ 107.402871] ? check_preemption_disabled+0x41/0x280 [ 107.407866] ip6_finish_output+0x89b/0x10f0 [ 107.412166] ip6_output+0x205/0x770 [ 107.415771] ? ip6_finish_output+0x10f0/0x10f0 [ 107.420332] ? ip6_fragment+0x34e0/0x34e0 [ 107.424461] ? check_preemption_disabled+0x41/0x280 [ 107.429457] ndisc_send_skb+0xa24/0x1720 [ 107.433516] ? ndisc_alloc_skb+0x320/0x320 [ 107.437734] ? ipv6_setsockopt+0x160/0x160 [ 107.441947] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 107.447205] ? __alloc_skb+0x34f/0x560 [ 107.451069] ? skb_set_owner_w+0x1f6/0x330 [ 107.455284] ndisc_send_ns+0x51d/0x840 [ 107.459151] ? addrconf_dad_work+0xa48/0x10a0 [ 107.463624] ? pndisc_redo+0x20/0x20 [ 107.467317] ? mark_held_locks+0xa6/0xf0 [ 107.471359] ? __local_bh_enable_ip+0x159/0x270 [ 107.476008] addrconf_dad_work+0xb0e/0x10a0 [ 107.480309] ? addrconf_dad_completed+0xb60/0xb60 [ 107.485134] process_one_work+0x864/0x1570 [ 107.489348] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 107.494000] worker_thread+0x64c/0x1130 [ 107.497956] ? __kthread_parkme+0x133/0x1e0 [ 107.502253] ? process_one_work+0x1570/0x1570 [ 107.506727] kthread+0x33f/0x460 [ 107.510072] ? kthread_park+0x180/0x180 [ 107.514026] ret_from_fork+0x24/0x30 [ 107.517720] Kernel panic - not syncing: softlockup: hung tasks [ 107.523672] CPU: 0 PID: 8321 Comm: kworker/0:3 Tainted: G L 4.19.211-syzkaller #0 [ 107.532567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 107.541910] Workqueue: ipv6_addrconf addrconf_dad_work [ 107.547163] Call Trace: [ 107.549724] [ 107.551854] dump_stack+0x1fc/0x2ef [ 107.555464] panic+0x26a/0x50e [ 107.558638] ? __warn_printk+0xf3/0xf3 [ 107.562509] ? watchdog_timer_fn.cold+0x5/0x25 [ 107.567157] ? watchdog_timer_fn+0x53e/0x580 [ 107.571544] watchdog_timer_fn.cold+0x16/0x25 [ 107.576025] __hrtimer_run_queues+0x3f6/0xe60 [ 107.580496] ? softlockup_fn+0xb0/0xb0 [ 107.584366] ? hrtimer_fixup_free+0xa0/0xa0 [ 107.588666] ? kvm_clock_get_cycles+0x14/0x30 [ 107.593137] ? ktime_get_update_offsets_now+0x2ec/0x460 [ 107.598490] hrtimer_interrupt+0x326/0x9e0 [ 107.602717] smp_apic_timer_interrupt+0x10c/0x550 [ 107.607544] apic_timer_interrupt+0xf/0x20 [ 107.611754] [ 107.613974] RIP: 0010:tcf_police_act+0x599/0xe60 [ 107.618709] Code: 0f 85 a9 08 00 00 48 8d bb 08 01 00 00 44 0f b6 ab 0e 01 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 0f b6 14 11 <84> d2 74 09 80 fa 03 0f 8e ba 07 00 00 48 8d bb 0f 01 00 00 8b ab [ 107.637587] RSP: 0018:ffff88809482ec40 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 [ 107.645278] RAX: 0000000000000000 RBX: ffff888096d21040 RCX: 1ffff11012da4229 [ 107.652528] RDX: 0000000000000000 RSI: ffffffff868c9866 RDI: ffff888096d21148 [ 107.659776] RBP: 0000000000000088 R08: ffffffff8c665018 R09: 0000000000000000 [ 107.667021] R10: 0000000000000001 R11: ffffffff8c66501b R12: 1ffff11012905d8d [ 107.674268] R13: 0000000000000000 R14: ffff888096d210b0 R15: 0000000000000000 [ 107.681528] ? tcf_police_act+0x4d6/0xe60 [ 107.685672] ? tcf_police_dump+0x960/0x960 [ 107.689888] ? tcf_action_exec+0x16f/0x400 [ 107.694102] ? tcf_action_exec+0x12e/0x400 [ 107.698317] tcf_action_exec+0x160/0x400 [ 107.702362] basic_classify+0x184/0x2b0 [ 107.706317] tcf_classify+0x120/0x3c0 [ 107.710099] prio_enqueue+0x3bb/0x7a0 [ 107.713879] ? prio_reset+0x160/0x160 [ 107.717657] ? __dev_queue_xmit+0x134e/0x2e00 [ 107.722135] __dev_queue_xmit+0x140a/0x2e00 [ 107.726441] ? netdev_pick_tx+0x2f0/0x2f0 [ 107.730582] ? mark_held_locks+0xa6/0xf0 [ 107.734625] ? ip_finish_output2+0xfbc/0x15a0 [ 107.739099] ip_finish_output2+0xb6d/0x15a0 [ 107.743402] ? ip_send_check+0xb0/0xb0 [ 107.747264] ? ip_output+0x3a5/0x5f0 [ 107.750958] ip_finish_output+0xae9/0x10b0 [ 107.755171] ip_output+0x203/0x5f0 [ 107.758689] ? ip_mc_output+0xec0/0xec0 [ 107.762641] ? ip_fragment.constprop.0+0x240/0x240 [ 107.767549] ? prandom_u32+0x171/0x1f0 [ 107.771419] ip_local_out+0xaf/0x170 [ 107.775111] iptunnel_xmit+0x63b/0x9d0 [ 107.778974] ? erspan_changelink+0x150/0x220 [ 107.783367] geneve_xmit+0x120d/0x2e60 [ 107.787237] ? geneve_fill_metadata_dst+0x1580/0x1580 [ 107.792408] ? __lock_acquire+0x6de/0x3ff0 [ 107.796622] ? netif_skb_features+0x5c1/0xb30 [ 107.801095] ? check_preemption_disabled+0x41/0x280 [ 107.806110] dev_hard_start_xmit+0x1a8/0x920 [ 107.810506] __dev_queue_xmit+0x269d/0x2e00 [ 107.814811] ? netdev_pick_tx+0x2f0/0x2f0 [ 107.818937] ? ip6_finish_output2+0x113d/0x2290 [ 107.823597] ? memcpy+0x35/0x50 [ 107.826859] neigh_resolve_output+0x55a/0x910 [ 107.831339] ip6_finish_output2+0x113d/0x2290 [ 107.835819] ? ip6_forward_finish+0x4b0/0x4b0 [ 107.840294] ? lock_downgrade+0x720/0x720 [ 107.844421] ? lock_acquire+0x170/0x3c0 [ 107.848376] ? check_preemption_disabled+0x41/0x280 [ 107.853376] ip6_finish_output+0x89b/0x10f0 [ 107.857680] ip6_output+0x205/0x770 [ 107.861286] ? ip6_finish_output+0x10f0/0x10f0 [ 107.865845] ? ip6_fragment+0x34e0/0x34e0 [ 107.869972] ? check_preemption_disabled+0x41/0x280 [ 107.874968] ndisc_send_skb+0xa24/0x1720 [ 107.879010] ? ndisc_alloc_skb+0x320/0x320 [ 107.883222] ? ipv6_setsockopt+0x160/0x160 [ 107.887433] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 107.892691] ? __alloc_skb+0x34f/0x560 [ 107.896557] ? skb_set_owner_w+0x1f6/0x330 [ 107.900774] ndisc_send_ns+0x51d/0x840 [ 107.904642] ? addrconf_dad_work+0xa48/0x10a0 [ 107.909115] ? pndisc_redo+0x20/0x20 [ 107.912808] ? mark_held_locks+0xa6/0xf0 [ 107.916847] ? __local_bh_enable_ip+0x159/0x270 [ 107.921497] addrconf_dad_work+0xb0e/0x10a0 [ 107.925800] ? addrconf_dad_completed+0xb60/0xb60 [ 107.930625] process_one_work+0x864/0x1570 [ 107.934839] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 107.939490] worker_thread+0x64c/0x1130 [ 107.943444] ? __kthread_parkme+0x133/0x1e0 [ 107.947741] ? process_one_work+0x1570/0x1570 [ 107.952215] kthread+0x33f/0x460 [ 107.955560] ? kthread_park+0x180/0x180 [ 107.959514] ret_from_fork+0x24/0x30 [ 107.963489] Kernel Offset: disabled [ 107.967141] Rebooting in 86400 seconds..