Warning: Permanently added '10.128.0.29' (ECDSA) to the list of known hosts. [ 213.464168] random: sshd: uninitialized urandom read (32 bytes read) [ 213.581229] audit: type=1400 audit(1567927947.365:36): avc: denied { map } for pid=6860 comm="syz-executor790" path="/root/syz-executor790857751" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 213.850908] IPVS: ftp: loaded support on port[0] = 21 [ 214.644160] chnl_net:caif_netlink_parms(): no params data found [ 214.672617] bridge0: port 1(bridge_slave_0) entered blocking state [ 214.679430] bridge0: port 1(bridge_slave_0) entered disabled state [ 214.686496] device bridge_slave_0 entered promiscuous mode [ 214.693296] bridge0: port 2(bridge_slave_1) entered blocking state [ 214.699650] bridge0: port 2(bridge_slave_1) entered disabled state [ 214.706745] device bridge_slave_1 entered promiscuous mode [ 214.720809] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 214.729337] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 214.744830] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 214.752094] team0: Port device team_slave_0 added [ 214.757452] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 214.764636] team0: Port device team_slave_1 added [ 214.769749] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 214.777015] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 214.832065] device hsr_slave_0 entered promiscuous mode [ 214.890289] device hsr_slave_1 entered promiscuous mode [ 214.930522] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 214.937484] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 214.950658] bridge0: port 2(bridge_slave_1) entered blocking state [ 214.957244] bridge0: port 2(bridge_slave_1) entered forwarding state [ 214.964185] bridge0: port 1(bridge_slave_0) entered blocking state [ 214.970574] bridge0: port 1(bridge_slave_0) entered forwarding state [ 214.996293] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 215.003191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 215.011006] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 215.018791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 215.027542] bridge0: port 1(bridge_slave_0) entered disabled state [ 215.035205] bridge0: port 2(bridge_slave_1) entered disabled state [ 215.044222] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 215.050493] 8021q: adding VLAN 0 to HW filter on device team0 [ 215.058280] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 215.066530] bridge0: port 1(bridge_slave_0) entered blocking state [ 215.072890] bridge0: port 1(bridge_slave_0) entered forwarding state [ 215.082765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 215.090541] bridge0: port 2(bridge_slave_1) entered blocking state [ 215.096873] bridge0: port 2(bridge_slave_1) entered forwarding state [ 215.109613] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 215.117617] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 215.126338] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 215.136540] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 215.145972] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 215.155505] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 215.161700] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 215.174069] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 215.183212] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 320.210123] INFO: rcu_preempt self-detected stall on CPU [ 320.215653] 1-...: (10500 ticks this GP) idle=7ca/140000000000001/0 softirq=11840/11840 fqs=0 [ 320.224464] (t=10500 jiffies g=1072 c=1071 q=172) [ 320.229467] rcu_preempt kthread starved for 10500 jiffies! g1072 c1071 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=1 [ 320.240104] rcu_preempt I29776 8 2 0x80000000 [ 320.245748] Call Trace: [ 320.248464] __schedule+0x7b8/0x1cd0 [ 320.252168] ? pci_mmcfg_check_reserved+0x150/0x150 [ 320.257166] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 320.262251] schedule+0x92/0x1c0 [ 320.265610] schedule_timeout+0x43e/0xe10 [ 320.269757] ? usleep_range+0x130/0x130 [ 320.273722] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 320.278888] ? prepare_to_swait+0xcc/0x100 [ 320.283144] ? call_timer_fn+0x670/0x670 [ 320.287195] rcu_gp_kthread+0xbf4/0x1ec0 [ 320.291249] ? force_qs_rnp+0x4d0/0x4d0 [ 320.295240] kthread+0x319/0x430 [ 320.298587] ? force_qs_rnp+0x4d0/0x4d0 [ 320.302538] ? kthread_create_on_node+0xd0/0xd0 [ 320.307201] ret_from_fork+0x24/0x30 [ 320.311065] NMI backtrace for cpu 1 [ 320.314882] CPU: 1 PID: 17 Comm: ksoftirqd/1 Not tainted 4.14.142 #0 [ 320.321359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.330712] Call Trace: [ 320.333277] [ 320.335452] dump_stack+0x138/0x197 [ 320.339066] nmi_cpu_backtrace.cold+0x57/0x94 [ 320.343597] ? irq_force_complete_move.cold+0x7d/0x7d [ 320.348775] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 320.354035] arch_trigger_cpumask_backtrace+0x14/0x20 [ 320.359208] rcu_dump_cpu_stacks+0x186/0x1d2 [ 320.363691] rcu_check_callbacks.cold+0x43d/0xd0a [ 320.368515] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 320.373951] update_process_times+0x31/0x70 [ 320.378354] tick_sched_handle+0x85/0x160 [ 320.382493] tick_sched_timer+0x43/0x130 [ 320.386630] __hrtimer_run_queues+0x270/0xbc0 [ 320.391110] ? tick_sched_do_timer+0xe0/0xe0 [ 320.395503] ? hrtimer_start_range_ns+0x10d0/0x10d0 [ 320.400506] hrtimer_interrupt+0x1d8/0x5d0 [ 320.404762] smp_apic_timer_interrupt+0x11c/0x5e0 [ 320.409591] apic_timer_interrupt+0x96/0xa0 [ 320.413891] [ 320.416172] RIP: 0010:__list_del_entry_valid+0xa6/0xf5 [ 320.421424] RSP: 0018:ffff8880a9d66be8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 [ 320.429112] RAX: dffffc0000000000 RBX: ffff8880a19e0678 RCX: 0000000000000000 [ 320.436370] RDX: ffff8880a19e0678 RSI: ffff8880a19e0710 RDI: ffff8880a19e0718 [ 320.443623] RBP: ffff8880a9d66c00 R08: 0000000000000000 R09: ffff8880a9d5ce10 [ 320.450957] R10: ffff8880a9d5cdf0 R11: ffff8880a9d5c480 R12: ffff8880a19e0710 [ 320.458203] R13: ffff8880a19e0710 R14: ffff8880a19e0678 R15: ffff8880a19e0700 [ 320.465521] hhf_dequeue+0x57f/0xa60 [ 320.469275] __qdisc_run+0x2b8/0xe00 [ 320.472996] __dev_queue_xmit+0x1571/0x25e0 [ 320.477345] ? br_nf_pre_routing+0xdce/0x12c7 [ 320.481843] ? nf_hook_slow+0xaf/0x1b0 [ 320.485727] ? br_handle_frame+0x80c/0x1110 [ 320.490030] ? __netif_receive_skb_core+0x789/0x2ca0 [ 320.495205] ? netdev_pick_tx+0x300/0x300 [ 320.499373] ? save_trace+0x290/0x290 [ 320.503175] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 320.508270] ? __lock_is_held+0xb6/0x140 [ 320.512311] ? check_preemption_disabled+0x3c/0x250 [ 320.517314] dev_queue_xmit+0x18/0x20 [ 320.521099] ? dev_queue_xmit+0x18/0x20 [ 320.525053] br_dev_queue_push_xmit+0x367/0x530 [ 320.530136] ? trace_hardirqs_on+0xd/0x10 [ 320.534264] br_nf_dev_queue_xmit+0x307/0x1440 [ 320.538823] ? lock_downgrade+0x6e0/0x6e0 [ 320.543105] br_nf_post_routing+0xb80/0xf00 [ 320.547431] ? br_nf_dev_queue_xmit+0x1440/0x1440 [ 320.552321] ? ipv6_skip_exthdr+0x430/0x4d0 [ 320.556634] ? br_nf_pre_routing_finish_bridge+0x9f0/0x9f0 [ 320.562242] nf_hook_slow+0xaf/0x1b0 [ 320.565951] br_forward_finish+0x1b7/0x320 [ 320.570167] ? br_dev_queue_push_xmit+0x530/0x530 [ 320.574990] ? __lock_is_held+0xb6/0x140 [ 320.579033] ? check_preemption_disabled+0x3c/0x250 [ 320.584120] ? br_fdb_add.cold+0x84/0x84 [ 320.588159] ? nf_hook_slow+0xcc/0x1b0 [ 320.592030] br_nf_hook_thresh+0x25b/0x2e0 [ 320.596242] ? save_trace+0x290/0x290 [ 320.600029] ? setup_pre_routing+0x410/0x410 [ 320.604425] ? find_held_lock+0x35/0x130 [ 320.608468] ? br_dev_queue_push_xmit+0x530/0x530 [ 320.613295] br_nf_forward_finish+0x264/0x640 [ 320.618126] ? br_dev_queue_push_xmit+0x530/0x530 [ 320.622953] br_nf_forward_ip+0x5fc/0x11d0 [ 320.627266] ? br_nf_forward_finish+0x640/0x640 [ 320.631920] ? br_handle_vlan+0x4ea/0xab0 [ 320.636047] ? br_nf_hook_thresh+0x2e0/0x2e0 [ 320.640443] nf_hook_slow+0xaf/0x1b0 [ 320.644669] __br_forward+0x312/0x9c0 [ 320.648481] ? br_forward_finish+0x320/0x320 [ 320.653829] ? br_dev_queue_push_xmit+0x530/0x530 [ 320.658657] deliver_clone+0x61/0xc0 [ 320.662441] br_flood+0x43c/0x530 [ 320.665877] br_handle_frame_finish+0xaf0/0x1830 [ 320.670614] ? save_trace+0x290/0x290 [ 320.674415] ? br_handle_local_finish+0x20/0x20 [ 320.679065] ? nf_hook_slow+0xcc/0x1b0 [ 320.682937] br_nf_hook_thresh+0x25b/0x2e0 [ 320.687153] ? setup_pre_routing+0x410/0x410 [ 320.691555] ? __lock_is_held+0xb6/0x140 [ 320.695606] ? br_handle_local_finish+0x20/0x20 [ 320.700258] br_nf_pre_routing_finish_ipv6+0x621/0xc50 [ 320.705526] ? br_handle_local_finish+0x20/0x20 [ 320.710190] ? lock_downgrade+0x6e0/0x6e0 [ 320.714345] br_nf_pre_routing_ipv6+0x417/0x790 [ 320.719006] ? br_validate_ipv6+0xa00/0xa00 [ 320.723399] ? __lock_is_held+0xb6/0x140 [ 320.727440] ? brnf_device_event.cold+0x29/0x29 [ 320.732153] ? skb_pull_rcsum+0x130/0x2c0 [ 320.736300] br_nf_pre_routing+0xdce/0x12c7 [ 320.740610] ? br_nf_pre_routing_finish+0x15b0/0x15b0 [ 320.745992] nf_hook_slow+0xaf/0x1b0 [ 320.749706] br_handle_frame+0x80c/0x1110 [ 320.753839] ? br_handle_frame_finish+0x1830/0x1830 [ 320.758849] ? __lock_is_held+0xb6/0x140 [ 320.762892] ? check_preemption_disabled+0x3c/0x250 [ 320.767891] ? br_handle_local_finish+0x20/0x20 [ 320.772644] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 320.778089] ? br_handle_frame_finish+0x1830/0x1830 [ 320.783087] __netif_receive_skb_core+0x789/0x2ca0 [ 320.787998] ? trace_hardirqs_on+0x10/0x10 [ 320.792227] ? enqueue_to_backlog+0xcc0/0xcc0 [ 320.796699] ? process_backlog+0x43e/0x730 [ 320.800915] ? find_held_lock+0x35/0x130 [ 320.807738] ? process_backlog+0x23a/0x730 [ 320.811953] ? lock_acquire+0x16f/0x430 [ 320.815913] __netif_receive_skb+0x2c/0x1b0 [ 320.820214] ? __netif_receive_skb+0x2c/0x1b0 [ 320.824861] process_backlog+0x21f/0x730 [ 320.828955] ? finish_task_switch+0x178/0x650 [ 320.833876] net_rx_action+0x490/0xf80 [ 320.837784] ? tasklet_action+0x510/0x510 [ 320.841915] ? napi_complete_done+0x4f0/0x4f0 [ 320.846390] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 320.851823] __do_softirq+0x244/0x9a0 [ 320.855606] ? pci_mmcfg_check_reserved+0x150/0x150 [ 320.860603] ? tasklet_action+0x510/0x510 [ 320.864733] run_ksoftirqd+0x8c/0x1b0 [ 320.868513] smpboot_thread_fn+0x5f4/0x960 [ 320.872900] ? __kthread_parkme+0x117/0x1c0 [ 320.877204] ? sort_range+0x30/0x30 [ 320.880813] kthread+0x319/0x430 [ 320.884165] ? sort_range+0x30/0x30 [ 320.888723] ? kthread_create_on_node+0xd0/0xd0 [ 320.893373] ret_from_fork+0x24/0x30 [ 320.900017] INFO: rcu_sched detected stalls on CPUs/tasks: [ 320.905661] 1-...: (1 GPs behind) idle=7ca/140000000000000/0 softirq=11839/11840 fqs=10 [ 320.914043] (detected by 0, t=10569 jiffies, g=738, c=737, q=6) [ 320.920181] Sending NMI from CPU 0 to CPUs 1: [ 320.925541] NMI backtrace for cpu 1 [ 320.925544] CPU: 1 PID: 17 Comm: ksoftirqd/1 Not tainted 4.14.142 #0 [ 320.925548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.925551] task: ffff8880a9d5c480 task.stack: ffff8880a9d60000 [ 320.925553] RIP: 0010:__list_del_entry_valid+0xc0/0xf5 [ 320.925555] RSP: 0018:ffff8880a9d66be8 EFLAGS: 00000246 [ 320.925560] RAX: dffffc0000000000 RBX: ffff8880a19e0678 RCX: 0000000000000000 [ 320.925562] RDX: ffff8880a19e0678 RSI: ffff8880a19e0710 RDI: ffff8880a19e0718 [ 320.925565] RBP: ffff8880a9d66c00 R08: 0000000000000000 R09: ffff8880a9d5ce10 [ 320.925568] R10: ffff8880a9d5cdf0 R11: ffff8880a9d5c480 R12: ffff8880a19e0710 [ 320.925571] R13: ffff8880a19e0710 R14: ffff8880a19e0678 R15: ffff8880a19e0700 [ 320.925574] FS: 0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 320.925576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 320.925579] CR2: 00000000004c7128 CR3: 000000000766a000 CR4: 00000000001406e0 [ 320.925582] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 320.925585] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 320.925586] Call Trace: [ 320.925588] hhf_dequeue+0x57f/0xa60 [ 320.925590] __qdisc_run+0x2b8/0xe00 [ 320.925592] __dev_queue_xmit+0x1571/0x25e0 [ 320.925594] ? br_nf_pre_routing+0xdce/0x12c7 [ 320.925596] ? nf_hook_slow+0xaf/0x1b0 [ 320.925598] ? br_handle_frame+0x80c/0x1110 [ 320.925600] ? __netif_receive_skb_core+0x789/0x2ca0 [ 320.925602] ? netdev_pick_tx+0x300/0x300 [ 320.925604] ? save_trace+0x290/0x290 [ 320.925606] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 320.925608] ? __lock_is_held+0xb6/0x140 [ 320.925610] ? check_preemption_disabled+0x3c/0x250 [ 320.925612] dev_queue_xmit+0x18/0x20 [ 320.925614] ? dev_queue_xmit+0x18/0x20 [ 320.925617] br_dev_queue_push_xmit+0x367/0x530 [ 320.925618] ? trace_hardirqs_on+0xd/0x10 [ 320.925621] br_nf_dev_queue_xmit+0x307/0x1440 [ 320.925623] ? lock_downgrade+0x6e0/0x6e0 [ 320.925625] br_nf_post_routing+0xb80/0xf00 [ 320.925627] ? br_nf_dev_queue_xmit+0x1440/0x1440 [ 320.925629] ? ipv6_skip_exthdr+0x430/0x4d0 [ 320.925631] ? br_nf_pre_routing_finish_bridge+0x9f0/0x9f0 [ 320.925633] nf_hook_slow+0xaf/0x1b0 [ 320.925635] br_forward_finish+0x1b7/0x320 [ 320.925637] ? br_dev_queue_push_xmit+0x530/0x530 [ 320.925639] ? __lock_is_held+0xb6/0x140 [ 320.925641] ? check_preemption_disabled+0x3c/0x250 [ 320.925643] ? br_fdb_add.cold+0x84/0x84 [ 320.925645] ? nf_hook_slow+0xcc/0x1b0 [ 320.925647] br_nf_hook_thresh+0x25b/0x2e0 [ 320.925649] ? save_trace+0x290/0x290 [ 320.925651] ? setup_pre_routing+0x410/0x410 [ 320.925653] ? find_held_lock+0x35/0x130 [ 320.925655] ? br_dev_queue_push_xmit+0x530/0x530 [ 320.925657] br_nf_forward_finish+0x264/0x640 [ 320.925659] ? br_dev_queue_push_xmit+0x530/0x530 [ 320.925661] br_nf_forward_ip+0x5fc/0x11d0 [ 320.925663] ? br_nf_forward_finish+0x640/0x640 [ 320.925665] ? br_handle_vlan+0x4ea/0xab0 [ 320.925667] ? br_nf_hook_thresh+0x2e0/0x2e0 [ 320.925669] nf_hook_slow+0xaf/0x1b0 [ 320.925671] __br_forward+0x312/0x9c0 [ 320.925673] ? br_forward_finish+0x320/0x320 [ 320.925675] ? br_dev_queue_push_xmit+0x530/0x530 [ 320.925677] deliver_clone+0x61/0xc0 [ 320.925679] br_flood+0x43c/0x530 [ 320.925681] br_handle_frame_finish+0xaf0/0x1830 [ 320.925683] ? save_trace+0x290/0x290 [ 320.925685] ? br_handle_local_finish+0x20/0x20 [ 320.925687] ? nf_hook_slow+0xcc/0x1b0 [ 320.925689] br_nf_hook_thresh+0x25b/0x2e0 [ 320.925691] ? setup_pre_routing+0x410/0x410 [ 320.925693] ? __lock_is_held+0xb6/0x140 [ 320.925695] ? br_handle_local_finish+0x20/0x20 [ 320.925697] br_nf_pre_routing_finish_ipv6+0x621/0xc50 [ 320.925699] ? br_handle_local_finish+0x20/0x20 [ 320.925701] ? lock_downgrade+0x6e0/0x6e0 [ 320.925703] br_nf_pre_routing_ipv6+0x417/0x790 [ 320.925705] ? br_validate_ipv6+0xa00/0xa00 [ 320.925707] ? __lock_is_held+0xb6/0x140 [ 320.925709] ? brnf_device_event.cold+0x29/0x29 [ 320.925711] ? skb_pull_rcsum+0x130/0x2c0 [ 320.925713] br_nf_pre_routing+0xdce/0x12c7 [ 320.925715] ? br_nf_pre_routing_finish+0x15b0/0x15b0 [ 320.925717] nf_hook_slow+0xaf/0x1b0 [ 320.925719] br_handle_frame+0x80c/0x1110 [ 320.925721] ? br_handle_frame_finish+0x1830/0x1830 [ 320.925724] ? __lock_is_held+0xb6/0x140 [ 320.925726] ? check_preemption_disabled+0x3c/0x250 [ 320.925728] ? br_handle_local_finish+0x20/0x20 [ 320.925730] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 320.925732] ? br_handle_frame_finish+0x1830/0x1830 [ 320.925734] __netif_receive_skb_core+0x789/0x2ca0 [ 320.925736] ? trace_hardirqs_on+0x10/0x10 [ 320.925738] ? enqueue_to_backlog+0xcc0/0xcc0 [ 320.925740] ? process_backlog+0x43e/0x730 [ 320.925742] ? find_held_lock+0x35/0x130 [ 320.925744] ? process_backlog+0x23a/0x730 [ 320.925746] ? lock_acquire+0x16f/0x430 [ 320.925748] __netif_receive_skb+0x2c/0x1b0 [ 320.925750] ? __netif_receive_skb+0x2c/0x1b0 [ 320.925752] process_backlog+0x21f/0x730 [ 320.925754] ? finish_task_switch+0x178/0x650 [ 320.925756] net_rx_action+0x490/0xf80 [ 320.925758] ? tasklet_action+0x510/0x510 [ 320.925760] ? napi_complete_done+0x4f0/0x4f0 [ 320.925762] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 320.925764] __do_softirq+0x244/0x9a0 [ 320.925766] ? pci_mmcfg_check_reserved+0x150/0x150 [ 320.925768] ? tasklet_action+0x510/0x510 [ 320.925770] run_ksoftirqd+0x8c/0x1b0 [ 320.925772] smpboot_thread_fn+0x5f4/0x960 [ 320.925774] ? __kthread_parkme+0x117/0x1c0 [ 320.925776] ? sort_range+0x30/0x30 [ 320.925778] kthread+0x319/0x430 [ 320.925779] ? sort_range+0x30/0x30 [ 320.925782] ? kthread_create_on_node+0xd0/0xd0 [ 320.925783] ret_from_fork+0x24/0x30 [ 320.925785] Code: 00 00 00 49 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 24 49 8b 55 08 4c 39 f2 0f 85 aa 00 00 00 <41> 5c b8 01 00 00 00 41 5d 41 5e 5d c3 e8 ee 24 ae fe e9 55 ff [ 320.925868] rcu_sched kthread starved for 10550 jiffies! g738 c737 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 [ 321.494304] rcu_sched I29824 9 2 0x80000000 [ 321.499935] Call Trace: [ 321.502524] __schedule+0x7b8/0x1cd0 [ 321.506231] ? pci_mmcfg_check_reserved+0x150/0x150 [ 321.511237] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 321.516336] schedule+0x92/0x1c0 [ 321.519690] schedule_timeout+0x43e/0xe10 [ 321.523862] ? usleep_range+0x130/0x130 [ 321.527833] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 321.532947] ? prepare_to_swait+0xcc/0x100 [ 321.537180] ? call_timer_fn+0x670/0x670 [ 321.541240] rcu_gp_kthread+0xbf4/0x1ec0 [ 321.545315] ? force_qs_rnp+0x4d0/0x4d0 [ 321.549289] kthread+0x319/0x430 [ 321.552646] ? force_qs_rnp+0x4d0/0x4d0 [ 321.556621] ? kthread_create_on_node+0xd0/0xd0 [ 321.561281] ret_from_fork+0x24/0x30