Warning: Permanently added '10.128.0.194' (ECDSA) to the list of known hosts. syzkaller login: [ 333.094936][ T9782] IPVS: ftp: loaded support on port[0] = 21 [ 333.141407][ T9782] chnl_net:caif_netlink_parms(): no params data found [ 333.163492][ T9782] bridge0: port 1(bridge_slave_0) entered blocking state [ 333.170637][ T9782] bridge0: port 1(bridge_slave_0) entered disabled state [ 333.178239][ T9782] device bridge_slave_0 entered promiscuous mode [ 333.185479][ T9782] bridge0: port 2(bridge_slave_1) entered blocking state [ 333.192573][ T9782] bridge0: port 2(bridge_slave_1) entered disabled state [ 333.200003][ T9782] device bridge_slave_1 entered promiscuous mode [ 333.213607][ T9782] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 333.223666][ T9782] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 333.238671][ T9782] team0: Port device team_slave_0 added [ 333.245494][ T9782] team0: Port device team_slave_1 added [ 333.303492][ T9782] device hsr_slave_0 entered promiscuous mode [ 333.342125][ T9782] device hsr_slave_1 entered promiscuous mode [ 333.406990][ T9782] bridge0: port 2(bridge_slave_1) entered blocking state [ 333.415895][ T9782] bridge0: port 2(bridge_slave_1) entered forwarding state [ 333.423240][ T9782] bridge0: port 1(bridge_slave_0) entered blocking state [ 333.430273][ T9782] bridge0: port 1(bridge_slave_0) entered forwarding state [ 333.454079][ T9782] 8021q: adding VLAN 0 to HW filter on device bond0 [ 333.464263][ T9784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 333.493302][ T9784] bridge0: port 1(bridge_slave_0) entered disabled state [ 333.500651][ T9784] bridge0: port 2(bridge_slave_1) entered disabled state [ 333.508661][ T9784] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 333.518941][ T9782] 8021q: adding VLAN 0 to HW filter on device team0 [ 333.528372][ T2422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 333.536697][ T2422] bridge0: port 1(bridge_slave_0) entered blocking state [ 333.543754][ T2422] bridge0: port 1(bridge_slave_0) entered forwarding state [ 333.562511][ T9784] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 333.571009][ T9784] bridge0: port 2(bridge_slave_1) entered blocking state [ 333.578110][ T9784] bridge0: port 2(bridge_slave_1) entered forwarding state [ 333.585997][ T9784] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 333.594469][ T9784] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 333.602694][ T9784] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 333.610734][ T9784] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 333.619578][ T9782] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 333.627320][ T9784] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 333.642137][ T9782] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 438.741794][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 438.748908][ C0] rcu: 0-...!: (1 GPs behind) idle=b92/1/0x4000000000000002 softirq=9327/9328 fqs=7 [ 438.758422][ C0] (t=10500 jiffies g=9261 q=51) [ 438.763375][ C0] rcu: rcu_preempt kthread starved for 10486 jiffies! g9261 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 438.774569][ C0] rcu: RCU grace-period kthread stack dump: [ 438.780449][ C0] rcu_preempt R running task 29520 10 2 0x80004000 [ 438.788334][ C0] Call Trace: [ 438.791715][ C0] __schedule+0x755/0x1580 [ 438.796125][ C0] ? __sched_text_start+0x8/0x8 [ 438.800973][ C0] schedule+0xd9/0x260 [ 438.805048][ C0] schedule_timeout+0x486/0xc50 [ 438.809902][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 438.814830][ C0] ? usleep_range+0x170/0x170 [ 438.819489][ C0] ? trace_hardirqs_on+0x67/0x240 [ 438.824521][ C0] ? __kasan_check_read+0x11/0x20 [ 438.829527][ C0] ? __next_timer_interrupt+0x1a0/0x1a0 [ 438.835052][ C0] ? swake_up_one+0x60/0x60 [ 438.839562][ C0] rcu_gp_kthread+0x9b2/0x18c0 [ 438.844309][ C0] ? rcu_barrier+0x310/0x310 [ 438.848881][ C0] ? trace_hardirqs_on+0x67/0x240 [ 438.853891][ C0] ? __kasan_check_read+0x11/0x20 [ 438.858901][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 438.865128][ C0] ? __kthread_parkme+0x108/0x1c0 [ 438.870133][ C0] ? __kasan_check_read+0x11/0x20 [ 438.875143][ C0] kthread+0x361/0x430 [ 438.879195][ C0] ? rcu_barrier+0x310/0x310 [ 438.883764][ C0] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 438.889983][ C0] ret_from_fork+0x24/0x30 [ 438.894386][ C0] NMI backtrace for cpu 0 [ 438.898697][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.3.0-rc8+ #0 [ 438.905968][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 438.916011][ C0] Call Trace: [ 438.919333][ C0] [ 438.922257][ C0] dump_stack+0x172/0x1f0 [ 438.926590][ C0] nmi_cpu_backtrace.cold+0x70/0xb2 [ 438.931781][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.938006][ C0] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 438.943632][ C0] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 438.949596][ C0] arch_trigger_cpumask_backtrace+0x14/0x20 [ 438.955589][ C0] rcu_dump_cpu_stacks+0x183/0x1cf [ 438.960706][ C0] rcu_sched_clock_irq.cold+0x4dd/0xc13 [ 438.966257][ C0] ? raise_softirq+0x138/0x340 [ 438.971021][ C0] update_process_times+0x32/0x80 [ 438.976156][ C0] tick_sched_handle+0xa2/0x190 [ 438.981008][ C0] tick_sched_timer+0x53/0x140 [ 438.985759][ C0] __hrtimer_run_queues+0x364/0xe40 [ 438.990951][ C0] ? tick_sched_do_timer+0x1b0/0x1b0 [ 438.996219][ C0] ? hrtimer_start_range_ns+0xcb0/0xcb0 [ 439.001743][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 439.007446][ C0] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 439.013493][ C0] hrtimer_interrupt+0x314/0x770 [ 439.018474][ C0] smp_apic_timer_interrupt+0x160/0x610 [ 439.024013][ C0] apic_timer_interrupt+0xf/0x20 [ 439.028928][ C0] [ 439.031881][ C0] RIP: 0010:hhf_dequeue+0x5f7/0xa20 [ 439.037073][ C0] Code: df 15 ac fb 45 84 f6 74 63 e8 95 14 ac fb 48 89 d8 48 c1 e8 03 42 80 3c 20 00 0f 85 f3 03 00 00 48 8d 7b 08 4c 8b 3b 48 89 fa <48> c1 ea 03 42 80 3c 22 00 0f 85 d0 03 00 00 49 8d 7f 08 4c 8b 73 [ 439.056654][ C0] RSP: 0018:ffff8880a98b69a8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 439.065144][ C0] RAX: 1ffff110144ff3bf RBX: ffff8880a27f9df8 RCX: ffffffff85c66051 [ 439.073112][ C0] RDX: ffff8880a27f9e00 RSI: ffffffff85c6605b RDI: ffff8880a27f9e00 [ 439.081064][ C0] RBP: ffff8880a98b69f8 R08: ffff8880a98a2240 R09: 0000000000000000 [ 439.089015][ C0] R10: fffffbfff134afaf R11: ffff8880a98a2240 R12: dffffc0000000000 [ 439.096968][ C0] R13: ffff8880a27f9b00 R14: 0000000000000001 R15: ffff8880a27f9e90 [ 439.104960][ C0] ? hhf_dequeue+0x5d1/0xa20 [ 439.109539][ C0] ? hhf_dequeue+0x5db/0xa20 [ 439.114110][ C0] ? hhf_dequeue+0x5db/0xa20 [ 439.118740][ C0] __qdisc_run+0x1e7/0x19d0 [ 439.123260][ C0] ? dev_queue_xmit+0x18/0x20 [ 439.127918][ C0] __dev_queue_xmit+0x16f1/0x3650 [ 439.132941][ C0] ? process_backlog+0x206/0x750 [ 439.137872][ C0] ? net_rx_action+0x4d6/0x1030 [ 439.142700][ C0] ? __do_softirq+0x262/0x98c [ 439.147379][ C0] ? run_ksoftirqd+0x8e/0x110 [ 439.152037][ C0] ? smpboot_thread_fn+0x6a3/0xa40 [ 439.157133][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 439.162399][ C0] ? quarantine_put+0x11c/0x1c0 [ 439.167230][ C0] ? trace_hardirqs_on+0x67/0x240 [ 439.172289][ C0] ? __skb_ext_put+0xd9/0x210 [ 439.176948][ C0] dev_queue_xmit+0x18/0x20 [ 439.181441][ C0] ? dev_queue_xmit+0x18/0x20 [ 439.186132][ C0] br_dev_queue_push_xmit+0x3f3/0x5c0 [ 439.191484][ C0] ? __skb_ext_del+0xb0/0x2c0 [ 439.196181][ C0] ? lock_downgrade+0x920/0x920 [ 439.201046][ C0] br_nf_dev_queue_xmit+0x34e/0x1470 [ 439.206332][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 439.212048][ C0] br_nf_post_routing+0x1502/0x1d30 [ 439.217242][ C0] ? br_nf_dev_queue_xmit+0x1470/0x1470 [ 439.222773][ C0] ? mark_held_locks+0xf0/0xf0 [ 439.227691][ C0] ? nf_bridge_update_protocol+0x1d0/0x1d0 [ 439.233497][ C0] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 439.239395][ C0] nf_hook_slow+0xbc/0x1e0 [ 439.243798][ C0] br_forward_finish+0x215/0x400 [ 439.248712][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 439.254235][ C0] ? br_fdb_add.cold+0x8c/0x8c [ 439.259027][ C0] ? ip_vs_out+0x244/0x1700 [ 439.263513][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 439.269210][ C0] ? nf_hook_slow+0xf0/0x1e0 [ 439.273781][ C0] ? should_fail+0x1de/0x852 [ 439.278349][ C0] br_nf_hook_thresh+0x2e9/0x370 [ 439.283279][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 439.288822][ C0] ? setup_pre_routing+0x4b0/0x4b0 [ 439.293925][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 439.299447][ C0] ? br_nf_forward_finish+0x176/0xa90 [ 439.304798][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 439.310669][ C0] br_nf_forward_finish+0x66c/0xa90 [ 439.315845][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 439.321382][ C0] br_nf_forward_ip+0xc74/0x21e0 [ 439.326311][ C0] ? br_nf_forward_arp+0x1670/0x1670 [ 439.331575][ C0] ? mark_held_locks+0xf0/0xf0 [ 439.336318][ C0] ? br_nf_hook_thresh+0x370/0x370 [ 439.341446][ C0] ? __vlan_flush+0x120/0x120 [ 439.346105][ C0] nf_hook_slow+0xbc/0x1e0 [ 439.350509][ C0] __br_forward+0x393/0xb00 [ 439.354998][ C0] ? br_forward_finish+0x400/0x400 [ 439.360088][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 439.365616][ C0] deliver_clone+0x61/0xc0 [ 439.370010][ C0] br_flood+0x325/0x3d0 [ 439.374148][ C0] br_handle_frame_finish+0xb46/0x1670 [ 439.379600][ C0] ? br_handle_local_finish+0x20/0x20 [ 439.384951][ C0] ? __alloc_pages_nodemask+0x578/0x900 [ 439.390473][ C0] ? audit_alloc_mark+0x430/0x500 [ 439.395497][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 439.401207][ C0] ? nf_hook_slow+0xf0/0x1e0 [ 439.405791][ C0] br_nf_hook_thresh+0x2e9/0x370 [ 439.410707][ C0] ? br_handle_local_finish+0x20/0x20 [ 439.416057][ C0] ? setup_pre_routing+0x4b0/0x4b0 [ 439.421147][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.427365][ C0] ? br_handle_local_finish+0x20/0x20 [ 439.432718][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 439.438588][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 439.444460][ C0] br_nf_pre_routing_finish_ipv6+0x6fb/0xd80 [ 439.450422][ C0] ? br_handle_local_finish+0x20/0x20 [ 439.455786][ C0] br_nf_pre_routing_ipv6+0x456/0x832 [ 439.461135][ C0] ? br_validate_ipv6+0xb80/0xb80 [ 439.466141][ C0] ? br_nf_pre_routing_finish.cold+0x124/0x124 [ 439.472274][ C0] ? br_nf_pre_routing+0x246/0x2355 [ 439.477451][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 439.483672][ C0] ? skb_pull_rcsum+0x155/0x300 [ 439.488514][ C0] br_nf_pre_routing+0x1743/0x2355 [ 439.493618][ C0] ? br_nf_pre_routing_finish+0x1730/0x1730 [ 439.499497][ C0] ? br_nf_pre_routing_finish+0x1730/0x1730 [ 439.505367][ C0] br_handle_frame+0x806/0x133e [ 439.510200][ C0] ? br_handle_frame_finish+0x1670/0x1670 [ 439.515895][ C0] ? stack_trace_save+0xac/0xe0 [ 439.520724][ C0] ? br_handle_local_finish+0x20/0x20 [ 439.526077][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.532312][ C0] ? br_handle_frame_finish+0x1670/0x1670 [ 439.538009][ C0] __netif_receive_skb_core+0xfc1/0x3060 [ 439.543630][ C0] ? __kasan_slab_free+0x102/0x150 [ 439.548717][ C0] ? kasan_slab_free+0xe/0x10 [ 439.553384][ C0] ? kmem_cache_free+0x86/0x320 [ 439.558270][ C0] ? dst_destroy+0x29e/0x3c0 [ 439.562933][ C0] ? dst_destroy_rcu+0x16/0x19 [ 439.567692][ C0] ? run_ksoftirqd+0x8e/0x110 [ 439.572359][ C0] ? smpboot_thread_fn+0x680/0xa40 [ 439.577451][ C0] ? do_xdp_generic+0x50/0x50 [ 439.582108][ C0] ? debug_check_no_obj_freed+0x20a/0x43f [ 439.587805][ C0] ? __kasan_check_read+0x11/0x20 [ 439.592821][ C0] ? debug_check_no_obj_freed+0x20a/0x43f [ 439.598532][ C0] ? __kasan_check_read+0x11/0x20 [ 439.603542][ C0] ? __kasan_check_write+0x14/0x20 [ 439.608632][ C0] ? lock_downgrade+0x920/0x920 [ 439.613467][ C0] ? update_load_avg+0xb08/0x1b10 [ 439.618475][ C0] __netif_receive_skb_one_core+0xa8/0x1a0 [ 439.624260][ C0] ? __netif_receive_skb_one_core+0xa8/0x1a0 [ 439.630216][ C0] ? __kasan_check_write+0x14/0x20 [ 439.635333][ C0] ? __netif_receive_skb_core+0x3060/0x3060 [ 439.641209][ C0] ? lock_acquire+0x190/0x410 [ 439.645866][ C0] ? process_backlog+0x195/0x750 [ 439.650797][ C0] __netif_receive_skb+0x2c/0x1d0 [ 439.655805][ C0] process_backlog+0x206/0x750 [ 439.660562][ C0] net_rx_action+0x4d6/0x1030 [ 439.665222][ C0] ? napi_complete_done+0x4b0/0x4b0 [ 439.670398][ C0] ? sched_clock+0x2e/0x50 [ 439.674799][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.681019][ C0] __do_softirq+0x262/0x98c [ 439.685521][ C0] ? takeover_tasklets+0x820/0x820 [ 439.690628][ C0] run_ksoftirqd+0x8e/0x110 [ 439.695113][ C0] smpboot_thread_fn+0x6a3/0xa40 [ 439.700034][ C0] ? smpboot_register_percpu_thread+0x390/0x390 [ 439.706254][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 439.712475][ C0] ? __kthread_parkme+0x108/0x1c0 [ 439.717476][ C0] ? __kasan_check_read+0x11/0x20 [ 439.722477][ C0] kthread+0x361/0x430 [ 439.726525][ C0] ? smpboot_register_percpu_thread+0x390/0x390 [ 439.732745][ C0] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 439.738973][ C0] ret_from_fork+0x24/0x30