Warning: Permanently added '10.128.0.78' (ECDSA) to the list of known hosts. syzkaller login: [ 94.445394] IPVS: ftp: loaded support on port[0] = 21 [ 94.515142] chnl_net:caif_netlink_parms(): no params data found [ 94.616196] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.622841] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.631014] device bridge_slave_0 entered promiscuous mode [ 94.638732] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.645117] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.652721] device bridge_slave_1 entered promiscuous mode [ 94.669858] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 94.678628] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 94.698056] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 94.705361] team0: Port device team_slave_0 added [ 94.711793] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 94.719340] team0: Port device team_slave_1 added [ 94.734692] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.741191] 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. [ 94.767374] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.778825] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.785054] 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. [ 94.810357] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.823981] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 94.831690] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 94.850725] device hsr_slave_0 entered promiscuous mode [ 94.856509] device hsr_slave_1 entered promiscuous mode [ 94.862478] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 94.869752] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 94.934352] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.940787] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.947746] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.954104] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.984619] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 94.991740] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.000400] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 95.009359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.018931] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.026738] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.033638] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 95.044423] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 95.051023] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.060839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 95.068543] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.074883] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.096745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 95.104342] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.110745] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.119006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 95.126964] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 95.134530] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 95.142755] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 95.151693] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 95.157863] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 95.164821] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 95.178220] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 95.185401] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 95.194615] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 95.204789] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.240562] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 95.250733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 95.282710] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 95.289848] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 95.297039] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 95.306439] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 95.313950] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 95.320996] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 95.330254] device veth0_vlan entered promiscuous mode [ 95.340035] device veth1_vlan entered promiscuous mode [ 95.346320] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 95.354310] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 95.365941] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 95.374882] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 95.383333] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 95.391052] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 95.400671] device veth0_macvtap entered promiscuous mode [ 95.407353] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 95.415236] device veth1_macvtap entered promiscuous mode [ 95.423870] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 95.432931] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 95.443180] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.450130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 95.458246] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 95.468970] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.475937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 123.143463] watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/1:0:19] [ 123.150874] Modules linked in: [ 123.154048] irq event stamp: 60890907 [ 123.157835] hardirqs last enabled at (60890906): [] ktime_get+0x235/0x2f0 [ 123.166652] hardirqs last disabled at (60890907): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 123.176338] softirqs last enabled at (53096): [] icmp6_dst_alloc+0x3de/0x660 [ 123.185176] softirqs last disabled at (53098): [] ip6_finish_output2+0x1f2/0x2290 [ 123.194859] CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 4.19.211-syzkaller #0 [ 123.202197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 123.211665] Workqueue: ipv6_addrconf addrconf_dad_work [ 123.216928] RIP: 0010:ktime_get+0x1f2/0x2f0 [ 123.221231] Code: e8 c0 a4 08 89 44 24 10 48 8b 05 e1 c0 a4 08 89 4c 24 14 48 89 44 24 08 44 8b 3d 89 c0 a4 08 44 89 f7 44 89 fe e8 5e f2 0d 00 <45> 39 fe 0f 85 52 fe ff ff e8 60 f1 0d 00 8b 44 24 10 0f b6 4c 24 [ 123.240210] RSP: 0018:ffff8880b5ad6bf0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 123.247903] RAX: 0000000000000000 RBX: 0000000000989467 RCX: ffffffff81549402 [ 123.255175] RDX: 0000000000005dd6 RSI: ffff8880b5abc500 RDI: 0000000000000004 [ 123.262428] RBP: fffffbfff13e3050 R08: ffffffff8c665058 R09: 0000000000005dd6 [ 123.269676] R10: 0000000000000004 R11: ffffffff8c66505b R12: dffffc0000000000 [ 123.276934] R13: 1ffffffff13e3052 R14: 0000000000005dd6 R15: 0000000000005dd6 [ 123.284205] FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 123.292422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 123.298323] CR2: 0000000020000080 CR3: 0000000009e6d000 CR4: 00000000003406e0 [ 123.305580] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 123.312838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 123.320106] Call Trace: [ 123.322681] tcf_police_act+0x3e8/0xe60 [ 123.326636] ? tcf_police_dump+0x960/0x960 [ 123.330855] ? tcf_action_exec+0x16f/0x400 [ 123.335070] tcf_action_exec+0x160/0x400 [ 123.339112] basic_classify+0x184/0x2b0 [ 123.343076] tcf_classify+0x120/0x3c0 [ 123.346863] prio_enqueue+0x3bb/0x7a0 [ 123.350646] ? prio_reset+0x160/0x160 [ 123.354425] ? __dev_queue_xmit+0x134e/0x2e00 [ 123.358901] __dev_queue_xmit+0x140a/0x2e00 [ 123.363206] ? netdev_pick_tx+0x2f0/0x2f0 [ 123.367340] ? mark_held_locks+0xa6/0xf0 [ 123.371382] ? ip_finish_output2+0xfbc/0x15a0 [ 123.375854] ip_finish_output2+0xb6d/0x15a0 [ 123.380156] ? ip_send_check+0xb0/0xb0 [ 123.384028] ? ip_output+0x3a5/0x5f0 [ 123.387730] ip_finish_output+0xae9/0x10b0 [ 123.391951] ip_output+0x203/0x5f0 [ 123.395470] ? ip_mc_output+0xec0/0xec0 [ 123.399424] ? ip_fragment.constprop.0+0x240/0x240 [ 123.404356] ? prandom_u32+0x171/0x1f0 [ 123.408243] ip_local_out+0xaf/0x170 [ 123.411953] iptunnel_xmit+0x63b/0x9d0 [ 123.415825] ? erspan_changelink+0x150/0x220 [ 123.420218] geneve_xmit+0x120d/0x2e60 [ 123.424108] ? geneve_fill_metadata_dst+0x1580/0x1580 [ 123.429291] ? __lock_acquire+0x6de/0x3ff0 [ 123.433509] ? netif_skb_features+0x5c1/0xb30 [ 123.437985] ? check_preemption_disabled+0x41/0x280 [ 123.442980] dev_hard_start_xmit+0x1a8/0x920 [ 123.447372] __dev_queue_xmit+0x269d/0x2e00 [ 123.451676] ? netdev_pick_tx+0x2f0/0x2f0 [ 123.455806] ? ip6_finish_output2+0x113d/0x2290 [ 123.460457] ? memcpy+0x35/0x50 [ 123.463728] neigh_resolve_output+0x55a/0x910 [ 123.468214] ip6_finish_output2+0x113d/0x2290 [ 123.472690] ? ip6_forward_finish+0x4b0/0x4b0 [ 123.477163] ? lock_downgrade+0x720/0x720 [ 123.481289] ? lock_acquire+0x170/0x3c0 [ 123.485246] ? check_preemption_disabled+0x41/0x280 [ 123.490245] ip6_finish_output+0x89b/0x10f0 [ 123.494548] ip6_output+0x205/0x770 [ 123.498154] ? ip6_finish_output+0x10f0/0x10f0 [ 123.502715] ? ip6_fragment+0x34e0/0x34e0 [ 123.506847] ? check_preemption_disabled+0x41/0x280 [ 123.511849] ndisc_send_skb+0xa24/0x1720 [ 123.515893] ? ndisc_alloc_skb+0x320/0x320 [ 123.520109] ? ipv6_setsockopt+0x160/0x160 [ 123.524326] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 123.529601] ? __alloc_skb+0x34f/0x560 [ 123.533481] ? skb_set_owner_w+0x1f6/0x330 [ 123.537714] ndisc_send_ns+0x51d/0x840 [ 123.541589] ? addrconf_dad_work+0xa48/0x10a0 [ 123.546072] ? pndisc_redo+0x20/0x20 [ 123.549769] ? mark_held_locks+0xa6/0xf0 [ 123.553831] ? __local_bh_enable_ip+0x159/0x270 [ 123.558483] addrconf_dad_work+0xb0e/0x10a0 [ 123.562789] ? addrconf_dad_completed+0xb60/0xb60 [ 123.567615] process_one_work+0x864/0x1570 [ 123.571834] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 123.576489] worker_thread+0x64c/0x1130 [ 123.580448] ? process_one_work+0x1570/0x1570 [ 123.584923] kthread+0x33f/0x460 [ 123.588269] ? kthread_park+0x180/0x180 [ 123.592227] ret_from_fork+0x24/0x30 [ 123.595923] Kernel panic - not syncing: softlockup: hung tasks [ 123.601873] CPU: 1 PID: 19 Comm: kworker/1:0 Tainted: G L 4.19.211-syzkaller #0 [ 123.610595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 123.619937] Workqueue: ipv6_addrconf addrconf_dad_work [ 123.625202] Call Trace: [ 123.627766] [ 123.629916] dump_stack+0x1fc/0x2ef [ 123.633531] panic+0x26a/0x50e [ 123.636709] ? __warn_printk+0xf3/0xf3 [ 123.640600] ? watchdog_timer_fn.cold+0x5/0x25 [ 123.645169] ? watchdog_timer_fn+0x53e/0x580 [ 123.649566] watchdog_timer_fn.cold+0x16/0x25 [ 123.654048] __hrtimer_run_queues+0x3f6/0xe60 [ 123.658530] ? softlockup_fn+0xb0/0xb0 [ 123.662401] ? hrtimer_fixup_free+0xa0/0xa0 [ 123.666703] ? kvm_clock_get_cycles+0x14/0x30 [ 123.671180] ? ktime_get_update_offsets_now+0x2ec/0x460 [ 123.676526] hrtimer_interrupt+0x326/0x9e0 [ 123.680754] smp_apic_timer_interrupt+0x10c/0x550 [ 123.685581] apic_timer_interrupt+0xf/0x20 [ 123.689797] [ 123.692013] RIP: 0010:ktime_get+0x1f2/0x2f0 [ 123.696312] Code: e8 c0 a4 08 89 44 24 10 48 8b 05 e1 c0 a4 08 89 4c 24 14 48 89 44 24 08 44 8b 3d 89 c0 a4 08 44 89 f7 44 89 fe e8 5e f2 0d 00 <45> 39 fe 0f 85 52 fe ff ff e8 60 f1 0d 00 8b 44 24 10 0f b6 4c 24 [ 123.715192] RSP: 0018:ffff8880b5ad6bf0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 123.722878] RAX: 0000000000000000 RBX: 0000000000989467 RCX: ffffffff81549402 [ 123.730126] RDX: 0000000000005dd6 RSI: ffff8880b5abc500 RDI: 0000000000000004 [ 123.737377] RBP: fffffbfff13e3050 R08: ffffffff8c665058 R09: 0000000000005dd6 [ 123.744628] R10: 0000000000000004 R11: ffffffff8c66505b R12: dffffc0000000000 [ 123.751876] R13: 1ffffffff13e3052 R14: 0000000000005dd6 R15: 0000000000005dd6 [ 123.759140] ? ktime_get+0x1f2/0x2f0 [ 123.762840] tcf_police_act+0x3e8/0xe60 [ 123.766797] ? tcf_police_dump+0x960/0x960 [ 123.771010] ? tcf_action_exec+0x16f/0x400 [ 123.775225] tcf_action_exec+0x160/0x400 [ 123.779270] basic_classify+0x184/0x2b0 [ 123.784092] tcf_classify+0x120/0x3c0 [ 123.787881] prio_enqueue+0x3bb/0x7a0 [ 123.791663] ? prio_reset+0x160/0x160 [ 123.795443] ? __dev_queue_xmit+0x134e/0x2e00 [ 123.799920] __dev_queue_xmit+0x140a/0x2e00 [ 123.804231] ? netdev_pick_tx+0x2f0/0x2f0 [ 123.808367] ? mark_held_locks+0xa6/0xf0 [ 123.812411] ? ip_finish_output2+0xfbc/0x15a0 [ 123.816887] ip_finish_output2+0xb6d/0x15a0 [ 123.821190] ? ip_send_check+0xb0/0xb0 [ 123.825054] ? ip_output+0x3a5/0x5f0 [ 123.828756] ip_finish_output+0xae9/0x10b0 [ 123.832971] ip_output+0x203/0x5f0 [ 123.836490] ? ip_mc_output+0xec0/0xec0 [ 123.840442] ? ip_fragment.constprop.0+0x240/0x240 [ 123.845347] ? prandom_u32+0x171/0x1f0 [ 123.849213] ip_local_out+0xaf/0x170 [ 123.852908] iptunnel_xmit+0x63b/0x9d0 [ 123.856773] ? erspan_changelink+0x150/0x220 [ 123.861161] geneve_xmit+0x120d/0x2e60 [ 123.865035] ? geneve_fill_metadata_dst+0x1580/0x1580 [ 123.870206] ? __lock_acquire+0x6de/0x3ff0 [ 123.874443] ? netif_skb_features+0x5c1/0xb30 [ 123.878918] ? check_preemption_disabled+0x41/0x280 [ 123.883933] dev_hard_start_xmit+0x1a8/0x920 [ 123.888328] __dev_queue_xmit+0x269d/0x2e00 [ 123.892631] ? netdev_pick_tx+0x2f0/0x2f0 [ 123.896759] ? ip6_finish_output2+0x113d/0x2290 [ 123.901430] ? memcpy+0x35/0x50 [ 123.904691] neigh_resolve_output+0x55a/0x910 [ 123.909168] ip6_finish_output2+0x113d/0x2290 [ 123.913647] ? ip6_forward_finish+0x4b0/0x4b0 [ 123.918122] ? lock_downgrade+0x720/0x720 [ 123.922247] ? lock_acquire+0x170/0x3c0 [ 123.926200] ? check_preemption_disabled+0x41/0x280 [ 123.931197] ip6_finish_output+0x89b/0x10f0 [ 123.935500] ip6_output+0x205/0x770 [ 123.939107] ? ip6_finish_output+0x10f0/0x10f0 [ 123.943678] ? ip6_fragment+0x34e0/0x34e0 [ 123.947814] ? check_preemption_disabled+0x41/0x280 [ 123.952812] ndisc_send_skb+0xa24/0x1720 [ 123.956855] ? ndisc_alloc_skb+0x320/0x320 [ 123.961071] ? ipv6_setsockopt+0x160/0x160 [ 123.965282] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 123.970542] ? __alloc_skb+0x34f/0x560 [ 123.974406] ? skb_set_owner_w+0x1f6/0x330 [ 123.978620] ndisc_send_ns+0x51d/0x840 [ 123.982490] ? addrconf_dad_work+0xa48/0x10a0 [ 123.986962] ? pndisc_redo+0x20/0x20 [ 123.990654] ? mark_held_locks+0xa6/0xf0 [ 123.994693] ? __local_bh_enable_ip+0x159/0x270 [ 123.999348] addrconf_dad_work+0xb0e/0x10a0 [ 124.003656] ? addrconf_dad_completed+0xb60/0xb60 [ 124.008485] process_one_work+0x864/0x1570 [ 124.012701] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 124.017355] worker_thread+0x64c/0x1130 [ 124.021311] ? process_one_work+0x1570/0x1570 [ 124.025782] kthread+0x33f/0x460 [ 124.029124] ? kthread_park+0x180/0x180 [ 124.033076] ret_from_fork+0x24/0x30 [ 124.037055] Kernel Offset: disabled [ 124.040715] Rebooting in 86400 seconds..