Warning: Permanently added '10.128.10.48' (ECDSA) to the list of known hosts. syzkaller login: [ 274.985735][ T9050] IPVS: ftp: loaded support on port[0] = 21 [ 275.019946][ T9050] chnl_net:caif_netlink_parms(): no params data found [ 275.038278][ T9050] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.045575][ T9050] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.052889][ T9050] device bridge_slave_0 entered promiscuous mode [ 275.059947][ T9050] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.067218][ T9050] bridge0: port 2(bridge_slave_1) entered disabled state [ 275.074519][ T9050] device bridge_slave_1 entered promiscuous mode [ 275.086847][ T9050] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 275.097015][ T9050] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 275.110925][ T9050] team0: Port device team_slave_0 added [ 275.117797][ T9050] team0: Port device team_slave_1 added [ 275.176420][ T9050] device hsr_slave_0 entered promiscuous mode [ 275.225298][ T9050] device hsr_slave_1 entered promiscuous mode [ 275.289819][ T9050] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.296880][ T9050] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.304112][ T9050] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.311158][ T9050] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.331720][ T9050] 8021q: adding VLAN 0 to HW filter on device bond0 [ 275.340777][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 275.359986][ T3636] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.367449][ T3636] bridge0: port 2(bridge_slave_1) entered disabled state [ 275.374812][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 275.384610][ T9050] 8021q: adding VLAN 0 to HW filter on device team0 [ 275.393037][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 275.401318][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.408362][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.425618][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 275.433815][ T3636] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.440855][ T3636] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.448518][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 275.456869][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 275.464914][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 275.473254][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 275.481712][ T9050] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 275.489369][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 275.502335][ T9050] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 380.525049][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 380.531683][ C0] rcu: 0-...!: (10500 ticks this GP) idle=1a6/0/0x3 softirq=10320/10320 fqs=0 [ 380.540688][ C0] (t=10501 jiffies g=6553 q=98) [ 380.545597][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6553 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 380.556836][ C0] rcu: RCU grace-period kthread stack dump: [ 380.562696][ C0] rcu_preempt I28896 10 2 0x80004000 [ 380.569020][ C0] Call Trace: [ 380.572395][ C0] __schedule+0x877/0xc50 [ 380.576696][ C0] schedule+0x131/0x1e0 [ 380.580819][ C0] schedule_timeout+0x14f/0x240 [ 380.585689][ C0] ? run_local_timers+0x120/0x120 [ 380.590695][ C0] rcu_gp_kthread+0xef8/0x1790 [ 380.595445][ C0] kthread+0x332/0x350 [ 380.599486][ C0] ? rcu_report_qs_rsp+0x150/0x150 [ 380.604564][ C0] ? kthread_blkcg+0xe0/0xe0 [ 380.609155][ C0] ret_from_fork+0x24/0x30 [ 380.613568][ C0] NMI backtrace for cpu 0 [ 380.617875][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0-rc8+ #0 [ 380.624962][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.634982][ C0] Call Trace: [ 380.638238][ C0] [ 380.641100][ C0] dump_stack+0x1d8/0x2f8 [ 380.645402][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 380.650223][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 380.656375][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 380.662405][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 380.668366][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 380.674224][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 380.679300][ C0] rcu_sched_clock_irq+0xb95/0x16d0 [ 380.684493][ C0] ? trace_hardirqs_off+0x74/0x80 [ 380.689485][ C0] update_process_times+0x134/0x190 [ 380.694668][ C0] tick_sched_timer+0x263/0x420 [ 380.699489][ C0] ? tick_setup_sched_timer+0x2c0/0x2c0 [ 380.705016][ C0] __hrtimer_run_queues+0x403/0x850 [ 380.710191][ C0] hrtimer_interrupt+0x38c/0xda0 [ 380.715107][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 380.720621][ C0] apic_timer_interrupt+0xf/0x20 [ 380.725564][ C0] RIP: 0010:hhf_dequeue+0xe9/0xaa0 [ 380.730653][ C0] Code: 00 74 08 4c 89 ff e8 76 2b a0 fb 49 8b 07 4c 39 f8 74 0e e8 39 30 67 fb eb 2f 0f 1f 80 00 00 00 00 48 8b 45 90 42 80 3c 20 00 <4c> 8b 7d a8 74 08 4c 89 ff e8 49 2b a0 fb 49 8b 07 4c 39 f8 0f 84 [ 380.750227][ C0] RSP: 0018:ffff8880aea096a8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 380.758607][ C0] RAX: 1ffff110118d3f4a RBX: ffff88808c69f9b8 RCX: ffffffff88875a00 [ 380.766549][ C0] RDX: 0000000000000502 RSI: ffff88808c69fa50 RDI: ffff88808c69f9c0 [ 380.774489][ C0] RBP: ffff8880aea09750 R08: ffffffff860c5d6a R09: 0000000000000000 [ 380.782429][ C0] R10: fffffbfff117be8d R11: 0000000000000000 R12: dffffc0000000000 [ 380.790370][ C0] R13: ffff88808c69f6c0 R14: ffff88808c69fa50 R15: ffff88808c69fa40 [ 380.798320][ C0] ? apic_timer_interrupt+0xa/0x20 [ 380.803402][ C0] ? hhf_dequeue+0x15a/0xaa0 [ 380.807963][ C0] ? hhf_dequeue+0x53e/0xaa0 [ 380.812522][ C0] ? hhf_enqueue+0x19dc/0x2110 [ 380.817287][ C0] __qdisc_run+0x217/0x1b30 [ 380.821785][ C0] ? dev_queue_xmit+0x17/0x20 [ 380.826429][ C0] __dev_queue_xmit+0x1161/0x3020 [ 380.831437][ C0] dev_queue_xmit+0x17/0x20 [ 380.835939][ C0] neigh_resolve_output+0x60c/0x6b0 [ 380.841135][ C0] ip6_finish_output2+0x102c/0x13d0 [ 380.846307][ C0] __ip6_finish_output+0x693/0x910 [ 380.851396][ C0] ip6_finish_output+0x52/0x1e0 [ 380.856209][ C0] ? ip6_output+0x25a/0x390 [ 380.860692][ C0] ip6_output+0x26f/0x390 [ 380.865013][ C0] mld_sendpack+0x770/0xb90 [ 380.869492][ C0] mld_ifc_timer_expire+0x820/0xb70 [ 380.874659][ C0] ? mld_gq_timer_expire+0x80/0x80 [ 380.879736][ C0] call_timer_fn+0x95/0x170 [ 380.884205][ C0] ? mld_gq_timer_expire+0x80/0x80 [ 380.889297][ C0] __run_timers+0x79e/0x970 [ 380.893879][ C0] ? check_preemption_disabled+0x47/0x2a0 [ 380.899572][ C0] ? check_preemption_disabled+0x47/0x2a0 [ 380.905257][ C0] run_timer_softirq+0x4a/0x90 [ 380.909990][ C0] __do_softirq+0x333/0x7c4 [ 380.914489][ C0] ? irq_exit+0x227/0x230 [ 380.918791][ C0] irq_exit+0x227/0x230 [ 380.923028][ C0] smp_apic_timer_interrupt+0x113/0x280 [ 380.928543][ C0] apic_timer_interrupt+0xf/0x20 [ 380.933469][ C0] [ 380.936406][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 380.941749][ C0] Code: 30 fa eb ae 89 d9 80 e1 07 80 c1 03 38 c1 7c ba 48 89 df e8 34 a1 30 fa eb b0 90 90 e9 07 00 00 00 0f 00 2d 96 a0 46 00 fb f4 90 e9 07 00 00 00 0f 00 2d 86 a0 46 00 f4 c3 90 90 55 48 89 e5 [ 380.961423][ C0] RSP: 0018:ffffffff88807dc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 380.969802][ C0] RAX: 1ffffffff11150f3 RBX: ffffffff88875a00 RCX: dffffc0000000000 [ 380.977752][ C0] RDX: 0000000000000000 RSI: ffffffff812b7a1a RDI: ffffffff877be46a [ 380.985697][ C0] RBP: ffffffff88807dc8 R08: ffffffff81790e54 R09: fffffbfff110eb41 [ 380.993663][ C0] R10: fffffbfff110eb41 R11: 0000000000000000 R12: dffffc0000000000 [ 381.001698][ C0] R13: 1ffffffff110eb40 R14: dffffc0000000000 R15: 0000000000000000 [ 381.009652][ C0] ? trace_hardirqs_on+0x34/0x80 [ 381.014625][ C0] ? arch_cpu_idle+0xa/0x10 [ 381.019097][ C0] ? default_idle+0x1a/0x70 [ 381.023571][ C0] ? default_idle+0x50/0x70 [ 381.028046][ C0] arch_cpu_idle+0xa/0x10 [ 381.032346][ C0] default_idle_call+0x59/0xa0 [ 381.037120][ C0] do_idle+0x140/0x6d0 [ 381.041162][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 381.046502][ C0] cpu_startup_entry+0x25/0x30 [ 381.051233][ C0] rest_init+0x29d/0x2b0 [ 381.055479][ C0] arch_call_rest_init+0xe/0x10 [ 381.060299][ C0] start_kernel+0x6f5/0x7f6 [ 381.064777][ C0] x86_64_start_reservations+0x18/0x2e [ 381.070209][ C0] x86_64_start_kernel+0x7a/0x7d [ 381.075126][ C0] secondary_startup_64+0xa4/0xb0