Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts. syzkaller login: [ 70.840994][ T9004] IPVS: ftp: loaded support on port[0] = 21 [ 70.896390][ T9004] chnl_net:caif_netlink_parms(): no params data found [ 70.924466][ T9004] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.931919][ T9004] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.939643][ T9004] device bridge_slave_0 entered promiscuous mode [ 70.947942][ T9004] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.955546][ T9004] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.963201][ T9004] device bridge_slave_1 entered promiscuous mode [ 70.980141][ T9004] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.990914][ T9004] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.009734][ T9004] team0: Port device team_slave_0 added [ 71.018096][ T9004] team0: Port device team_slave_1 added [ 71.073822][ T9004] device hsr_slave_0 entered promiscuous mode [ 71.112534][ T9004] device hsr_slave_1 entered promiscuous mode [ 71.159351][ T9004] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.166698][ T9004] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.174664][ T9004] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.182016][ T9004] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.215786][ T9004] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.227635][ T9006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.248856][ T9006] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.257454][ T9006] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.266305][ T9006] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.277192][ T9004] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.292046][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.302514][ T2978] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.310488][ T2978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.334419][ T9006] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.343753][ T9006] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.350956][ T9006] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.359298][ T9006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.369887][ T9006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.379312][ T9006] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.388149][ T9006] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.400044][ T9004] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network executing program [ 71.413754][ T9004] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.426026][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.449207][ T9004] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 176.491413][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 176.498589][ C0] (detected by 0, t=10502 jiffies, g=7445, q=94) [ 176.505030][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954779-4294944276), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 176.518394][ C0] ksoftirqd/0 R running task 25904 9 2 0x80004008 [ 176.526308][ C0] Call Trace: [ 176.529598][ C0] [ 176.532462][ C0] sched_show_task.cold+0x2ed/0x34e [ 176.537699][ C0] rcu_sched_clock_irq.cold+0xac8/0xc13 [ 176.543275][ C0] update_process_times+0x32/0x80 [ 176.548305][ C0] tick_sched_handle+0xa2/0x190 [ 176.553177][ C0] tick_sched_timer+0x53/0x140 [ 176.557945][ C0] __hrtimer_run_queues+0x364/0xe40 [ 176.563177][ C0] ? tick_sched_do_timer+0x1b0/0x1b0 [ 176.568480][ C0] ? hrtimer_start_range_ns+0xcb0/0xcb0 [ 176.574020][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 176.579736][ C0] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 176.586007][ C0] hrtimer_interrupt+0x314/0x770 [ 176.590970][ C0] smp_apic_timer_interrupt+0x160/0x610 [ 176.596520][ C0] apic_timer_interrupt+0xf/0x20 [ 176.601448][ C0] [ 176.604387][ C0] RIP: 0010:native_queued_spin_lock_slowpath+0x132/0x9f0 [ 176.611459][ C0] Code: 00 00 00 48 8b 45 d0 65 48 33 04 25 28 00 00 00 0f 85 37 07 00 00 48 81 c4 98 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 f3 90 73 ff ff ff 8b 45 98 4c 8d 65 d8 3d 00 01 00 00 0f 84 e5 00 00 [ 176.631068][ C0] RSP: 0018:ffff8880a98b6910 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 [ 176.639487][ C0] RAX: 0000000000000000 RBX: ffff88808719f768 RCX: ffffffff81595c37 [ 176.647459][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88808719f768 [ 176.655453][ C0] RBP: ffff8880a98b69d0 R08: 1ffff11010e33eed R09: ffffed1010e33eee [ 176.663505][ C0] R10: ffffed1010e33eed R11: ffff88808719f76b R12: 0000000000000001 [ 176.671467][ C0] R13: 0000000000000003 R14: ffffed1010e33eed R15: 0000000000000001 [ 176.679468][ C0] ? native_queued_spin_lock_slowpath+0xb7/0x9f0 [ 176.685835][ C0] ? __pv_queued_spin_lock_slowpath+0xd10/0xd10 [ 176.692094][ C0] ? mark_held_locks+0xf0/0xf0 [ 176.696857][ C0] ? mark_held_locks+0xf0/0xf0 [ 176.701624][ C0] do_raw_spin_lock+0x20e/0x2e0 [ 176.706478][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 176.711407][ C0] ? lock_acquire+0x190/0x410 [ 176.716086][ C0] ? __dev_queue_xmit+0x14b8/0x3650 [ 176.721293][ C0] _raw_spin_lock+0x37/0x40 [ 176.725796][ C0] ? __dev_queue_xmit+0x14b8/0x3650 [ 176.730993][ C0] __dev_queue_xmit+0x14b8/0x3650 [ 176.736019][ C0] ? process_backlog+0x206/0x750 [ 176.740962][ C0] ? net_rx_action+0x4d6/0x1080 [ 176.745839][ C0] ? __do_softirq+0x262/0x98c [ 176.750526][ C0] ? run_ksoftirqd+0x8e/0x110 [ 176.755204][ C0] ? smpboot_thread_fn+0x6a3/0xa40 [ 176.760325][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 176.765621][ C0] ? __skb_ext_put+0xd9/0x210 [ 176.770304][ C0] dev_queue_xmit+0x18/0x20 [ 176.774803][ C0] ? dev_queue_xmit+0x18/0x20 [ 176.779475][ C0] br_dev_queue_push_xmit+0x3f3/0x5c0 [ 176.784842][ C0] ? __skb_ext_del+0xb0/0x2c0 [ 176.789514][ C0] ? lock_downgrade+0x920/0x920 [ 176.794368][ C0] br_nf_dev_queue_xmit+0x34e/0x1470 [ 176.799655][ C0] br_nf_post_routing+0x1502/0x1d30 [ 176.804872][ C0] ? br_nf_dev_queue_xmit+0x1470/0x1470 [ 176.810413][ C0] ? mark_held_locks+0xf0/0xf0 [ 176.815177][ C0] ? nf_bridge_update_protocol+0x1d0/0x1d0 [ 176.820978][ C0] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 176.826785][ C0] nf_hook_slow+0xbc/0x1e0 [ 176.831208][ C0] br_forward_finish+0x215/0x400 [ 176.836171][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 176.841720][ C0] ? br_fdb_add.cold+0x8c/0x8c [ 176.846483][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 176.852806][ C0] ? nf_hook_slow+0xf0/0x1e0 [ 176.857406][ C0] br_nf_hook_thresh+0x2e9/0x370 [ 176.862435][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 176.868071][ C0] ? setup_pre_routing+0x4b0/0x4b0 [ 176.873199][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 176.878742][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.884983][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 176.890969][ C0] br_nf_forward_finish+0x66c/0xa90 [ 176.896162][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 176.901714][ C0] br_nf_forward_ip+0xc74/0x21e0 [ 176.906655][ C0] ? br_nf_forward_arp+0x1670/0x1670 [ 176.911939][ C0] ? mark_held_locks+0xf0/0xf0 [ 176.916705][ C0] ? br_nf_hook_thresh+0x370/0x370 [ 176.921829][ C0] ? __vlan_flush+0x120/0x120 [ 176.926521][ C0] nf_hook_slow+0xbc/0x1e0 [ 176.930942][ C0] __br_forward+0x393/0xb00 [ 176.935444][ C0] ? br_forward_finish+0x400/0x400 [ 176.940847][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 176.946941][ C0] deliver_clone+0x61/0xc0 [ 176.951366][ C0] br_flood+0x325/0x3d0 [ 176.955548][ C0] br_handle_frame_finish+0xb46/0x1670 [ 176.961110][ C0] ? br_handle_local_finish+0x20/0x20 [ 176.966513][ C0] ? audit_alloc_mark+0x3d0/0x500 [ 176.971560][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 176.977288][ C0] ? nf_hook_slow+0xf0/0x1e0 [ 176.981886][ C0] br_nf_hook_thresh+0x2e9/0x370 [ 176.986824][ C0] ? br_handle_local_finish+0x20/0x20 [ 176.992229][ C0] ? setup_pre_routing+0x4b0/0x4b0 [ 176.997432][ C0] ? find_held_lock+0x35/0x130 [ 177.002311][ C0] ? br_handle_local_finish+0x20/0x20 [ 177.007779][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 177.013745][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 177.019666][ C0] br_nf_pre_routing_finish_ipv6+0x6fb/0xd80 [ 177.025639][ C0] ? br_handle_local_finish+0x20/0x20 [ 177.031028][ C0] ? __kasan_check_read+0x11/0x20 [ 177.036069][ C0] br_nf_pre_routing_ipv6+0x456/0x832 [ 177.041460][ C0] ? br_validate_ipv6+0xb80/0xb80 [ 177.046531][ C0] ? br_nf_pre_routing_finish.cold+0x124/0x124 [ 177.052700][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.058957][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 177.065222][ C0] ? skb_pull_rcsum+0x155/0x300 [ 177.070454][ C0] br_nf_pre_routing+0x1743/0x2355 [ 177.076124][ C0] ? br_nf_pre_routing_finish+0x1730/0x1730 [ 177.082197][ C0] ? rwlock_bug.part.0+0x10/0x90 [ 177.087157][ C0] ? br_nf_pre_routing_finish+0x1730/0x1730 [ 177.093060][ C0] br_handle_frame+0x806/0x133e [ 177.097931][ C0] ? br_handle_frame_finish+0x1670/0x1670 [ 177.103700][ C0] ? __netif_receive_skb_core+0x593/0x3060 [ 177.109545][ C0] ? rcu_read_lock_sched_held+0x110/0x130 [ 177.115295][ C0] ? br_handle_local_finish+0x20/0x20 [ 177.120690][ C0] ? br_handle_frame_finish+0x1670/0x1670 [ 177.126409][ C0] __netif_receive_skb_core+0xfc1/0x3060 [ 177.132125][ C0] ? __lock_acquire+0x1702/0x4c30 [ 177.137157][ C0] ? __kasan_check_read+0x11/0x20 [ 177.142177][ C0] ? do_xdp_generic+0x50/0x50 [ 177.146885][ C0] ? __kasan_check_read+0x11/0x20 [ 177.151947][ C0] ? __lock_acquire+0x8a2/0x4c30 [ 177.156932][ C0] ? __lock_acquire+0x1702/0x4c30 [ 177.162013][ C0] __netif_receive_skb_one_core+0xa8/0x1a0 [ 177.168196][ C0] ? __netif_receive_skb_one_core+0xa8/0x1a0 [ 177.174315][ C0] ? __netif_receive_skb_core+0x3060/0x3060 [ 177.180265][ C0] ? lock_acquire+0x190/0x410 [ 177.185047][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.191346][ C0] __netif_receive_skb+0x2c/0x1d0 [ 177.196373][ C0] process_backlog+0x206/0x750 [ 177.201152][ C0] ? net_rx_action+0x249/0x1080 [ 177.206035][ C0] ? lockdep_hardirqs_on+0x19e/0x5d0 [ 177.211351][ C0] net_rx_action+0x4d6/0x1080 [ 177.216057][ C0] ? napi_busy_loop+0x970/0x970 [ 177.220912][ C0] ? sched_clock+0x2e/0x50 [ 177.225337][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.231593][ C0] __do_softirq+0x262/0x98c [ 177.236113][ C0] ? takeover_tasklets+0x820/0x820 [ 177.241219][ C0] run_ksoftirqd+0x8e/0x110 [ 177.245722][ C0] smpboot_thread_fn+0x6a3/0xa40 [ 177.250691][ C0] ? smpboot_register_percpu_thread+0x390/0x390 [ 177.256938][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 177.263207][ C0] ? __kthread_parkme+0x108/0x1c0 [ 177.268230][ C0] ? __kasan_check_read+0x11/0x20 [ 177.273257][ C0] kthread+0x361/0x430 [ 177.277371][ C0] ? smpboot_register_percpu_thread+0x390/0x390 [ 177.283651][ C0] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 177.289964][ C0] ret_from_fork+0x24/0x30 [ 177.294422][ C0] rcu: rcu_preempt kthread starved for 10582 jiffies! g7445 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.305788][ C0] rcu: RCU grace-period kthread stack dump: [ 177.311680][ C0] rcu_preempt R running task 29656 10 2 0x80004000 [ 177.319589][ C0] Call Trace: [ 177.322908][ C0] __schedule+0x755/0x1580 [ 177.327329][ C0] ? __sched_text_start+0x8/0x8 [ 177.332201][ C0] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 177.338027][ C0] ? schedule_timeout+0x47c/0xc50 [ 177.343051][ C0] ? lockdep_hardirqs_on+0x418/0x5d0 [ 177.348349][ C0] schedule+0xd9/0x260 [ 177.352547][ C0] schedule_timeout+0x486/0xc50 [ 177.357425][ C0] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 177.363263][ C0] ? usleep_range+0x170/0x170 [ 177.367940][ C0] ? trace_hardirqs_on+0x67/0x240 [ 177.373139][ C0] ? __kasan_check_read+0x11/0x20 [ 177.378325][ C0] ? __next_timer_interrupt+0x1a0/0x1a0 [ 177.383895][ C0] ? swake_up_one+0x60/0x60 [ 177.388407][ C0] rcu_gp_kthread+0x9b2/0x18c0 [ 177.393183][ C0] ? rcu_barrier+0x310/0x310 [ 177.397769][ C0] ? trace_hardirqs_on+0x67/0x240 [ 177.402793][ C0] ? __kasan_check_read+0x11/0x20 [ 177.407862][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 177.414127][ C0] ? __kthread_parkme+0x108/0x1c0 [ 177.419160][ C0] ? __kasan_check_read+0x11/0x20 [ 177.424384][ C0] kthread+0x361/0x430 [ 177.428491][ C0] ? rcu_barrier+0x310/0x310 [ 177.433095][ C0] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 177.439646][ C0] ret_from_fork+0x24/0x30