Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts. syzkaller login: [ 216.019392][T10397] IPVS: ftp: loaded support on port[0] = 21 [ 216.062744][T10397] chnl_net:caif_netlink_parms(): no params data found [ 216.084673][T10397] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.091941][T10397] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.099788][T10397] device bridge_slave_0 entered promiscuous mode [ 216.107250][T10397] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.114580][T10397] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.122329][T10397] device bridge_slave_1 entered promiscuous mode [ 216.135997][T10397] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 216.146617][T10397] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 216.162935][T10397] team0: Port device team_slave_0 added [ 216.169643][T10397] team0: Port device team_slave_1 added [ 216.234506][T10397] device hsr_slave_0 entered promiscuous mode [ 216.273168][T10397] device hsr_slave_1 entered promiscuous mode [ 216.338272][T10397] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.345391][T10397] bridge0: port 2(bridge_slave_1) entered forwarding state [ 216.353231][T10397] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.360280][T10397] bridge0: port 1(bridge_slave_0) entered forwarding state [ 216.390051][T10397] 8021q: adding VLAN 0 to HW filter on device bond0 [ 216.404440][ T3542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 216.412462][ T3542] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.430704][ T3542] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.439481][ T3542] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 216.449759][T10397] 8021q: adding VLAN 0 to HW filter on device team0 [ 216.458953][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 216.467511][ T2985] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.474606][ T2985] bridge0: port 1(bridge_slave_0) entered forwarding state [ 216.484328][ T3542] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 216.492791][ T3542] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.500009][ T3542] bridge0: port 2(bridge_slave_1) entered forwarding state [ 216.514350][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 216.523797][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 216.533899][ T3542] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 216.546151][T10397] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 216.557342][T10397] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 216.568707][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 216.577213][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 216.585574][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 216.600532][T10397] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 321.782857][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 321.789521][ C0] rcu: 0-...!: (1 GPs behind) idle=77a/1/0x4000000000000002 softirq=10753/10754 fqs=2 [ 321.799266][ C0] (t=10501 jiffies g=10357 q=1) [ 321.804205][ C0] rcu: rcu_preempt kthread starved for 10498 jiffies! g10357 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 321.815554][ C0] rcu: RCU grace-period kthread stack dump: [ 321.821440][ C0] rcu_preempt I29688 10 2 0x80004000 [ 321.827817][ C0] Call Trace: [ 321.831132][ C0] __schedule+0x755/0x15b0 [ 321.835557][ C0] ? __sched_text_start+0x8/0x8 [ 321.840408][ C0] schedule+0xa8/0x270 [ 321.844473][ C0] schedule_timeout+0x486/0xc50 [ 321.849332][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 321.854267][ C0] ? usleep_range+0x170/0x170 [ 321.858950][ C0] ? trace_hardirqs_on+0x67/0x240 [ 321.863975][ C0] ? __kasan_check_read+0x11/0x20 [ 321.868997][ C0] ? __next_timer_interrupt+0x1a0/0x1a0 [ 321.874548][ C0] ? swake_up_one+0x60/0x60 [ 321.879083][ C0] rcu_gp_kthread+0x9b2/0x18c0 [ 321.883843][ C0] ? rcu_barrier+0x310/0x310 [ 321.888431][ C0] ? trace_hardirqs_on+0x67/0x240 [ 321.893448][ C0] ? __kasan_check_read+0x11/0x20 [ 321.898474][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 321.904711][ C0] ? __kthread_parkme+0x108/0x1c0 [ 321.909736][ C0] ? __kasan_check_read+0x11/0x20 [ 321.914758][ C0] kthread+0x361/0x430 [ 321.918819][ C0] ? rcu_barrier+0x310/0x310 [ 321.923398][ C0] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 321.929634][ C0] ret_from_fork+0x24/0x30 [ 321.934099][ C0] NMI backtrace for cpu 0 [ 321.938429][ C0] CPU: 0 PID: 10397 Comm: syz-executor191 Not tainted 5.3.0-rc2-next-20190802 #58 [ 321.947612][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 321.957662][ C0] Call Trace: [ 321.960953][ C0] [ 321.963851][ C0] dump_stack+0x172/0x1f0 [ 321.968179][ C0] nmi_cpu_backtrace.cold+0x70/0xb2 [ 321.973376][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.979619][ C0] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 321.985252][ C0] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 321.991236][ C0] arch_trigger_cpumask_backtrace+0x14/0x20 [ 321.997135][ C0] rcu_dump_cpu_stacks+0x183/0x1cf [ 322.002249][ C0] rcu_sched_clock_irq.cold+0x4dd/0xc13 [ 322.007796][ C0] ? raise_softirq+0x138/0x340 [ 322.012561][ C0] update_process_times+0x32/0x80 [ 322.017582][ C0] tick_sched_handle+0xa2/0x190 [ 322.022425][ C0] tick_sched_timer+0x53/0x140 [ 322.027182][ C0] __hrtimer_run_queues+0x364/0xe40 [ 322.032375][ C0] ? tick_sched_do_timer+0x1b0/0x1b0 [ 322.037663][ C0] ? hrtimer_sleeper_start_expires+0x90/0x90 [ 322.043635][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 322.049346][ C0] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 322.055411][ C0] hrtimer_interrupt+0x314/0x770 [ 322.060353][ C0] smp_apic_timer_interrupt+0x160/0x610 [ 322.065900][ C0] apic_timer_interrupt+0xf/0x20 [ 322.070841][ C0] RIP: 0010:native_queued_spin_lock_slowpath+0x132/0x9f0 [ 322.077865][ 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 [ 322.097466][ C0] RSP: 0018:ffff8880ae809210 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 [ 322.105879][ C0] RAX: 0000000000000000 RBX: ffff8880a42ccd08 RCX: ffffffff8158f457 [ 322.113847][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880a42ccd08 [ 322.121828][ C0] RBP: ffff8880ae8092d0 R08: 1ffff110148599a1 R09: ffffed10148599a2 [ 322.129798][ C0] R10: ffffed10148599a1 R11: ffff8880a42ccd0b R12: 0000000000000001 [ 322.137763][ C0] R13: 0000000000000003 R14: ffffed10148599a1 R15: 0000000000000001 [ 322.145741][ C0] ? apic_timer_interrupt+0xa/0x20 [ 322.150861][ C0] ? native_queued_spin_lock_slowpath+0xb7/0x9f0 [ 322.157196][ C0] ? __pv_queued_spin_lock_slowpath+0xd10/0xd10 [ 322.163435][ C0] ? mark_held_locks+0xf0/0xf0 [ 322.168194][ C0] do_raw_spin_lock+0x20e/0x2e0 [ 322.173036][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 322.177964][ C0] ? lock_acquire+0x190/0x410 [ 322.182649][ C0] ? release_sock+0x20/0x1c0 [ 322.187233][ C0] ? __kasan_check_read+0x11/0x20 [ 322.192249][ C0] _raw_spin_lock_bh+0x3b/0x50 [ 322.197008][ C0] ? release_sock+0x20/0x1c0 [ 322.201610][ C0] release_sock+0x20/0x1c0 [ 322.206060][ C0] wait_on_pending_writer+0x20f/0x420 [ 322.211434][ C0] ? ip6_rcv_finish+0x1de/0x2f0 [ 322.216304][ C0] ? tls_init+0x560/0x560 [ 322.220623][ C0] ? process_backlog+0x206/0x750 [ 322.225554][ C0] ? net_rx_action+0x508/0x10c0 [ 322.230397][ C0] ? __do_softirq+0x262/0x98c [ 322.235068][ C0] ? prepare_to_wait_exclusive+0x320/0x320 [ 322.240866][ C0] ? inet_release+0xed/0x200 [ 322.245454][ C0] ? inet6_release+0x53/0x80 [ 322.250034][ C0] ? __sock_release+0xce/0x280 [ 322.254786][ C0] ? sock_close+0x1e/0x30 [ 322.259116][ C0] ? __fput+0x2ff/0x890 [ 322.263269][ C0] ? ____fput+0x16/0x20 [ 322.267450][ C0] ? task_work_run+0x145/0x1c0 [ 322.272211][ C0] ? exit_to_usermode_loop+0x316/0x380 [ 322.277669][ C0] tls_sk_proto_cleanup+0x2c5/0x3e0 [ 322.282893][ C0] ? wait_on_pending_writer+0x420/0x420 [ 322.288440][ C0] tls_sk_proto_unhash+0x90/0x3f0 [ 322.293465][ C0] tcp_set_state+0x5b9/0x7d0 [ 322.299559][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.305814][ C0] ? __sk_mem_reduce_allocated+0x1b0/0x560 [ 322.311611][ C0] ? tcp_alloc_md5sig_pool+0x4a0/0x4a0 [ 322.317063][ C0] ? __sk_mem_reclaim+0x55/0x70 [ 322.321907][ C0] ? tcp_write_queue_purge+0x5d8/0x1310 [ 322.327446][ C0] ? lock_downgrade+0x920/0x920 [ 322.332288][ C0] tcp_done+0xe2/0x320 [ 322.336351][ C0] tcp_reset+0x132/0x500 [ 322.340586][ C0] tcp_validate_incoming+0xa2d/0x1660 [ 322.345954][ C0] tcp_rcv_established+0x6b5/0x1e70 [ 322.351146][ C0] ? tcp_data_queue+0x4860/0x4860 [ 322.356171][ C0] tcp_v6_do_rcv+0x41e/0x12c0 [ 322.360848][ C0] tcp_v6_rcv+0x31f1/0x3500 [ 322.365356][ C0] ? tcp_v6_syn_recv_sock+0x2290/0x2290 [ 322.370894][ C0] ? nf_confirm+0x360/0x4d0 [ 322.375394][ C0] ? mark_held_locks+0xf0/0xf0 [ 322.380156][ C0] ip6_protocol_deliver_rcu+0x2fe/0x1660 [ 322.385789][ C0] ip6_input_finish+0x84/0x170 [ 322.390551][ C0] ip6_input+0xe4/0x3f0 [ 322.394698][ C0] ? ip6_input_finish+0x170/0x170 [ 322.399720][ C0] ? __kasan_check_read+0x11/0x20 [ 322.404740][ C0] ? ip6_protocol_deliver_rcu+0x1660/0x1660 [ 322.410623][ C0] ? lock_downgrade+0x920/0x920 [ 322.415470][ C0] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 322.421702][ C0] ip6_rcv_finish+0x1de/0x2f0 [ 322.426373][ C0] ipv6_rcv+0x10e/0x420 [ 322.430518][ C0] ? ip6_rcv_core.isra.0+0x1bb0/0x1bb0 [ 322.435974][ C0] ? lock_downgrade+0x920/0x920 [ 322.440815][ C0] ? lock_downgrade+0x920/0x920 [ 322.445655][ C0] ? ip6_rcv_finish_core.isra.0+0x560/0x560 [ 322.451542][ C0] ? trace_hardirqs_off+0x62/0x240 [ 322.456646][ C0] ? ip6_rcv_core.isra.0+0x1bb0/0x1bb0 [ 322.462093][ C0] __netif_receive_skb_one_core+0x113/0x1a0 [ 322.467984][ C0] ? __netif_receive_skb_core+0x3060/0x3060 [ 322.473870][ C0] ? lock_acquire+0x190/0x410 [ 322.478542][ C0] ? process_backlog+0x195/0x750 [ 322.483470][ C0] __netif_receive_skb+0x2c/0x1d0 [ 322.488491][ C0] process_backlog+0x206/0x750 [ 322.493250][ C0] ? lock_acquire+0x190/0x410 [ 322.497922][ C0] ? clockevents_program_event+0x15a/0x370 [ 322.503721][ C0] net_rx_action+0x508/0x10c0 [ 322.508396][ C0] ? napi_complete_done+0x4b0/0x4b0 [ 322.513599][ C0] ? sched_clock+0x2e/0x50 [ 322.518007][ C0] ? kvm_clock_read+0x18/0x30 [ 322.522679][ C0] ? inet_csk_listen_stop+0x1bc/0x850 [ 322.528042][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.534277][ C0] __do_softirq+0x262/0x98c [ 322.538782][ C0] ? inet_csk_listen_stop+0x1bc/0x850 [ 322.544148][ C0] do_softirq_own_stack+0x2a/0x40 [ 322.549154][ C0] [ 322.552085][ C0] do_softirq.part.0+0x11a/0x170 [ 322.557017][ C0] __local_bh_enable_ip+0x211/0x270 [ 322.562209][ C0] inet_csk_listen_stop+0x1e0/0x850 [ 322.567402][ C0] tcp_close+0xd5b/0x10e0 [ 322.571730][ C0] ? ip_mc_drop_socket+0x211/0x270 [ 322.576832][ C0] ? down_write+0xdf/0x150 [ 322.581243][ C0] inet_release+0xed/0x200 [ 322.585654][ C0] inet6_release+0x53/0x80 [ 322.590064][ C0] __sock_release+0xce/0x280 [ 322.594647][ C0] sock_close+0x1e/0x30 [ 322.598796][ C0] __fput+0x2ff/0x890 [ 322.602771][ C0] ? __sock_release+0x280/0x280 [ 322.607613][ C0] ____fput+0x16/0x20 [ 322.611590][ C0] task_work_run+0x145/0x1c0 [ 322.616177][ C0] exit_to_usermode_loop+0x316/0x380 [ 322.621455][ C0] do_syscall_64+0x65f/0x760 [ 322.626040][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 322.631925][ C0] RIP: 0033:0x406571 [ 322.635820][ C0] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 24 1a 00 00 c3 48 83 ec 08 e8 6a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 b3 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 322.655439][ C0] RSP: 002b:00007fff99082fb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 322.663850][ C0] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000406571 [ 322.671814][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 322.679777][ C0] RBP: 00000000006dcc20 R08: 0000000000000140 R09: 0000000000000140 [ 322.687740][ C0] R10: 00007fff99082fe0 R11: 0000000000000293 R12: 00007fff99083010 [ 322.695700][ C0] R13: 00000000006dcc2c R14: 000000000000002d R15: 0000000000000007