Warning: Permanently added '10.128.1.209' (ED25519) to the list of known hosts. [ 77.030227][ T5762] cgroup: Unknown subsys name 'net' [ 77.194566][ T5762] cgroup: Unknown subsys name 'rlimit' [ 77.338139][ T5764] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 77.346881][ T5764] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 77.354466][ T5764] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 77.362895][ T5764] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 77.370726][ T5764] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 77.378344][ T5764] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 77.501388][ T5763] chnl_net:caif_netlink_parms(): no params data found [ 77.568116][ T5763] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.575561][ T5763] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.582891][ T5763] bridge_slave_0: entered allmulticast mode [ 77.589862][ T5763] bridge_slave_0: entered promiscuous mode [ 77.599933][ T5763] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.607298][ T5763] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.614406][ T5763] bridge_slave_1: entered allmulticast mode [ 77.622184][ T5763] bridge_slave_1: entered promiscuous mode [ 77.650549][ T5763] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.662397][ T5763] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.694454][ T5763] team0: Port device team_slave_0 added [ 77.702895][ T5763] team0: Port device team_slave_1 added [ 77.729373][ T5763] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.737463][ T5763] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 77.764308][ T5763] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.776949][ T5763] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.783905][ T5763] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 77.809876][ T5763] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.852900][ T5763] hsr_slave_0: entered promiscuous mode [ 77.859748][ T5763] hsr_slave_1: entered promiscuous mode [ 78.004391][ T5763] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.017170][ T5763] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.028622][ T5763] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.039523][ T5763] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.071947][ T5763] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.079515][ T5763] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.087376][ T5763] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.094479][ T5763] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.149020][ T5763] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.169306][ T1137] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.178890][ T1137] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.195053][ T5763] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.209639][ T34] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.216807][ T34] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.230677][ T1137] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.237854][ T1137] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.304703][ T5763] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.348212][ T5763] veth0_vlan: entered promiscuous mode [ 78.360410][ T5763] veth1_vlan: entered promiscuous mode [ 78.392472][ T5763] veth0_macvtap: entered promiscuous mode [ 78.403100][ T5763] veth1_macvtap: entered promiscuous mode [ 78.424433][ T5763] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.441624][ T5763] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.453464][ T5763] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.463872][ T5763] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.472900][ T5763] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.481877][ T5763] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 183.635711][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 183.642925][ C1] rcu: 0-...!: (0 ticks this GP) idle=5f6c/1/0x4000000000000000 softirq=10584/10584 fqs=0 [ 183.653501][ C1] rcu: (detected by 1, t=10502 jiffies, g=8685, q=51 ncpus=2) [ 183.661085][ C1] Sending NMI from CPU 1 to CPUs 0: [ 183.666339][ C0] NMI backtrace for cpu 0 [ 183.666358][ C0] CPU: 0 PID: 1137 Comm: kworker/u4:7 Not tainted syzkaller #0 [ 183.666372][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 183.666383][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 183.666436][ C0] RIP: 0010:advance_sched+0x7dc/0xc80 [ 183.666459][ C0] Code: 39 fe 4c 8b 6c 24 18 0f 8e be 00 00 00 e8 1c 42 ef f8 4c 8b 64 24 38 4c 8b 3c 24 e9 51 01 00 00 e8 09 42 ef f8 4c 8b 64 24 38 42 01 00 00 e8 fa 41 ef f8 4c 8b 6c 24 18 e9 96 00 00 00 e8 7b [ 183.666471][ C0] RSP: 0018:ffffc90000007c70 EFLAGS: 00000006 [ 183.666483][ C0] RAX: ffffffff88964eb7 RBX: 188feb3f78000000 RCX: ffff888023afbc00 [ 183.666494][ C0] RDX: 0000000000010000 RSI: 0000000004000000 RDI: 0000000000000000 [ 183.666503][ C0] RBP: ffff888024c51940 R08: 0000000000000003 R09: 0000000000000004 [ 183.666512][ C0] R10: dffffc0000000000 R11: fffff52000000f7c R12: ffff88802f90e340 [ 183.666523][ C0] R13: ffff88802f90e000 R14: ffff888024c51808 R15: ffff888024c50000 [ 183.666534][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 183.666546][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 183.666556][ C0] CR2: 0000200000000600 CR3: 000000007e193000 CR4: 00000000003506f0 [ 183.666568][ C0] Call Trace: [ 183.666574][ C0] [ 183.666602][ C0] __hrtimer_run_queues+0x51e/0xc40 [ 183.666623][ C0] ? taprio_dequeue_from_txq+0x8f0/0x8f0 [ 183.666648][ C0] ? hrtimer_interrupt+0x9c0/0x9c0 [ 183.666663][ C0] ? ktime_get_update_offsets_now+0x3d2/0x3f0 [ 183.666685][ C0] hrtimer_interrupt+0x3c9/0x9c0 [ 183.666713][ C0] __sysvec_apic_timer_interrupt+0xfb/0x3b0 [ 183.666733][ C0] sysvec_apic_timer_interrupt+0x9f/0xc0 [ 183.666752][ C0] [ 183.666756][ C0] [ 183.666761][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 183.666780][ C0] RIP: 0010:___slab_alloc+0xc24/0x1300 [ 183.666806][ C0] Code: f7 44 24 68 00 02 00 00 75 0d f7 44 24 10 00 02 00 00 74 16 fb eb 13 e8 6a 09 8b 08 f7 44 24 10 00 02 00 00 74 04 eb ec f3 90 <41> 8b 84 24 08 13 00 00 89 44 24 10 a8 01 75 ee e9 eb fd ff ff 4d [ 183.666817][ C0] RSP: 0018:ffffc9000499f440 EFLAGS: 00000206 [ 183.666829][ C0] RAX: 088d5a1d88fb8000 RBX: 0000000000000002 RCX: 088d5a1d88fb8000 [ 183.666839][ C0] RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6f80 [ 183.666849][ C0] RBP: 00000000ffffffff R08: ffffffff90d9450f R09: 1ffffffff21b28a1 [ 183.666859][ C0] R10: dffffc0000000000 R11: fffffbfff21b28a2 R12: ffff888023afbc00 [ 183.666870][ C0] R13: ffffffff81dc26e2 R14: 0000000000000001 R15: ffff888023afcf10 [ 183.666881][ C0] ? __kmem_cache_alloc_node+0x1a2/0x260 [ 183.666910][ C0] ? ___neigh_create+0x6d2/0x2440 [ 183.666935][ C0] __kmem_cache_alloc_node+0x1a2/0x260 [ 183.666957][ C0] ? ___neigh_create+0x6d2/0x2440 [ 183.666979][ C0] ? ___neigh_create+0x6d2/0x2440 [ 183.666998][ C0] __kmalloc+0xa4/0x240 [ 183.667020][ C0] ___neigh_create+0x6d2/0x2440 [ 183.667045][ C0] ? __ipv6_neigh_lookup_noref+0x5b9/0x7d0 [ 183.667071][ C0] ip6_finish_output2+0x159e/0x1650 [ 183.667095][ C0] ? ip6_finish_output2+0x661/0x1650 [ 183.667116][ C0] ? ip6_mtu+0x7d/0x3f0 [ 183.667137][ C0] ? nf_hook+0x370/0x370 [ 183.667157][ C0] ? ip6_finish_output+0x57b/0x820 [ 183.667179][ C0] ndisc_send_skb+0xbed/0x14b0 [ 183.667196][ C0] ? ndisc_alloc_skb+0x18c/0x450 [ 183.667217][ C0] ? ndisc_send_skb+0x1f2/0x14b0 [ 183.667237][ C0] ? ndisc_mc_map+0x680/0x680 [ 183.667253][ C0] ? skb_dst+0xd0/0xd0 [ 183.667267][ C0] ? __asan_memcpy+0x40/0x70 [ 183.667296][ C0] ndisc_send_ns+0xcc/0x150 [ 183.667313][ C0] ? ndisc_ns_create+0x640/0x640 [ 183.667334][ C0] addrconf_dad_work+0xa25/0x14e0 [ 183.667361][ C0] ? ipv6_get_saddr_eval+0xee0/0xee0 [ 183.667384][ C0] ? read_lock_is_recursive+0x20/0x20 [ 183.667403][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 183.667420][ C0] ? process_scheduled_works+0x957/0x15b0 [ 183.667439][ C0] ? process_scheduled_works+0x957/0x15b0 [ 183.667456][ C0] process_scheduled_works+0xa45/0x15b0 [ 183.667486][ C0] ? assign_work+0x400/0x400 [ 183.667506][ C0] ? assign_work+0x39e/0x400 [ 183.667525][ C0] worker_thread+0xa55/0xfc0 [ 183.667543][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 183.667560][ C0] ? _raw_spin_unlock+0x40/0x40 [ 183.667575][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 183.667601][ C0] kthread+0x2fa/0x390 [ 183.667614][ C0] ? pr_cont_work+0x560/0x560 [ 183.667631][ C0] ? kthread_blkcg+0xd0/0xd0 [ 183.667644][ C0] ret_from_fork+0x48/0x80 [ 183.667660][ C0] ? kthread_blkcg+0xd0/0xd0 [ 183.667674][ C0] ret_from_fork_asm+0x11/0x20 [ 183.667700][ C0] [ 183.667706][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.372 msecs [ 183.668329][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g8685 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 184.141107][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=2530 [ 184.148953][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g8685 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 184.160313][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 184.170305][ C1] rcu: RCU grace-period kthread stack dump: [ 184.176221][ C1] task:rcu_preempt state:I stack:26920 pid:17 ppid:2 flags:0x00004000 [ 184.185468][ C1] Call Trace: [ 184.188779][ C1] [ 184.191745][ C1] __schedule+0x14d2/0x44d0 [ 184.196311][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 184.202234][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 184.207557][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 184.213480][ C1] ? asan.module_dtor+0x20/0x20 [ 184.218378][ C1] ? enqueue_timer+0x225/0x530 [ 184.223186][ C1] ? __mod_timer+0x984/0xdb0 [ 184.227828][ C1] schedule+0xbd/0x170 [ 184.231958][ C1] schedule_timeout+0x160/0x280 [ 184.236837][ C1] ? console_conditional_schedule+0x40/0x40 [ 184.242760][ C1] ? update_process_times+0x1b0/0x1b0 [ 184.248175][ C1] ? prepare_to_swait_event+0x339/0x360 [ 184.253776][ C1] rcu_gp_fqs_loop+0x302/0x1560 [ 184.258672][ C1] ? rcu_gp_init+0x110e/0x1510 [ 184.263480][ C1] ? rcu_gp_kthread+0x380/0x380 [ 184.268364][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 184.274379][ C1] ? rcu_gp_init+0x1510/0x1510 [ 184.279185][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 184.284080][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 184.289307][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 184.294535][ C1] rcu_gp_kthread+0x99/0x380 [ 184.299161][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 184.304323][ C1] ? __kthread_parkme+0x7a/0x1c0 [ 184.309294][ C1] ? __kthread_parkme+0x162/0x1c0 [ 184.314370][ C1] kthread+0x2fa/0x390 [ 184.318464][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 184.323642][ C1] ? kthread_blkcg+0xd0/0xd0 [ 184.328278][ C1] ret_from_fork+0x48/0x80 [ 184.332742][ C1] ? kthread_blkcg+0xd0/0xd0 [ 184.337375][ C1] ret_from_fork_asm+0x11/0x20 [ 184.342213][ C1] [ 184.345290][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 184.351646][ C1] Sending NMI from CPU 1 to CPUs 0: [ 184.356880][ C0] NMI backtrace for cpu 0 [ 184.356888][ C0] CPU: 0 PID: 1137 Comm: kworker/u4:7 Not tainted syzkaller #0 [ 184.356902][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 184.356912][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 184.356939][ C0] RIP: 0010:__lock_acquire+0x1393/0x7c80 [ 184.356958][ C0] Code: cd 03 00 00 48 b8 eb 83 b5 80 46 86 c8 61 49 0f af c4 48 c1 e8 2d 48 8d 1c c5 40 44 90 90 48 89 d8 48 c1 e8 03 48 89 44 24 38 <42> 80 3c 00 00 74 12 48 89 df e8 be ec 75 00 49 b8 00 00 00 00 00 [ 184.356970][ C0] RSP: 0018:ffffc900000078c0 EFLAGS: 00000806 [ 184.356991][ C0] RAX: 1ffffffff219df21 RBX: ffffffff90cef908 RCX: ffffffff81671184 [ 184.357002][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90d945e8 [ 184.357010][ C0] RBP: ffffc90000007b08 R08: dffffc0000000000 R09: 1ffffffff21b28bd [ 184.357020][ C0] R10: dffffc0000000000 R11: fffffbfff21b28be R12: 729065b65936bf87 [ 184.357031][ C0] R13: ffff888023afbc00 R14: 000000005936bf87 R15: ffff888023afc7c8 [ 184.357041][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 184.357052][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 184.357061][ C0] CR2: 0000200000000600 CR3: 000000007e193000 CR4: 00000000003506f0 [ 184.357074][ C0] Call Trace: [ 184.357080][ C0] [ 184.357092][ C0] ? verify_lock_unused+0x140/0x140 [ 184.357110][ C0] ? verify_lock_unused+0x140/0x140 [ 184.357214][ C0] ? debug_objects_fill_pool+0x73/0x6b0 [ 184.357244][ C0] lock_acquire+0x197/0x410 [ 184.357262][ C0] ? advance_sched+0xc5/0xc80 [ 184.357285][ C0] ? read_lock_is_recursive+0x20/0x20 [ 184.357300][ C0] ? __hrtimer_run_queues+0x426/0xc40 [ 184.357315][ C0] ? __lock_acquire+0x7c80/0x7c80 [ 184.357331][ C0] _raw_spin_lock+0x2e/0x40 [ 184.357347][ C0] ? advance_sched+0xc5/0xc80 [ 184.357364][ C0] advance_sched+0xc5/0xc80 [ 184.357383][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 184.357399][ C0] ? _raw_spin_unlock+0x40/0x40 [ 184.357414][ C0] ? debug_object_deactivate+0x67/0x350 [ 184.357435][ C0] __hrtimer_run_queues+0x51e/0xc40 [ 184.357452][ C0] ? taprio_dequeue_from_txq+0x8f0/0x8f0 [ 184.357475][ C0] ? hrtimer_interrupt+0x9c0/0x9c0 [ 184.357488][ C0] ? ktime_get_update_offsets_now+0x3d2/0x3f0 [ 184.357508][ C0] hrtimer_interrupt+0x3c9/0x9c0 [ 184.357532][ C0] __sysvec_apic_timer_interrupt+0xfb/0x3b0 [ 184.357551][ C0] sysvec_apic_timer_interrupt+0x9f/0xc0 [ 184.357569][ C0] [ 184.357573][ C0] [ 184.357578][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 184.357596][ C0] RIP: 0010:___slab_alloc+0xc24/0x1300 [ 184.357618][ C0] Code: f7 44 24 68 00 02 00 00 75 0d f7 44 24 10 00 02 00 00 74 16 fb eb 13 e8 6a 09 8b 08 f7 44 24 10 00 02 00 00 74 04 eb ec f3 90 <41> 8b 84 24 08 13 00 00 89 44 24 10 a8 01 75 ee e9 eb fd ff ff 4d [ 184.357629][ C0] RSP: 0018:ffffc9000499f440 EFLAGS: 00000206 [ 184.357641][ C0] RAX: 088d5a1d88fb8000 RBX: 0000000000000002 RCX: 088d5a1d88fb8000 [ 184.357651][ C0] RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6f80 [ 184.357661][ C0] RBP: 00000000ffffffff R08: ffffffff90d9450f R09: 1ffffffff21b28a1 [ 184.357671][ C0] R10: dffffc0000000000 R11: fffffbfff21b28a2 R12: ffff888023afbc00 [ 184.357681][ C0] R13: ffffffff81dc26e2 R14: 0000000000000001 R15: ffff888023afcf10 [ 184.357691][ C0] ? __kmem_cache_alloc_node+0x1a2/0x260 [ 184.357718][ C0] ? ___neigh_create+0x6d2/0x2440 [ 184.357741][ C0] __kmem_cache_alloc_node+0x1a2/0x260 [ 184.357760][ C0] ? ___neigh_create+0x6d2/0x2440 [ 184.357780][ C0] ? ___neigh_create+0x6d2/0x2440 [ 184.357798][ C0] __kmalloc+0xa4/0x240 [ 184.357818][ C0] ___neigh_create+0x6d2/0x2440 [ 184.357859][ C0] ? __ipv6_neigh_lookup_noref+0x5b9/0x7d0 [ 184.357901][ C0] ip6_finish_output2+0x159e/0x1650 [ 184.357926][ C0] ? ip6_finish_output2+0x661/0x1650 [ 184.357949][ C0] ? ip6_mtu+0x7d/0x3f0 [ 184.357972][ C0] ? nf_hook+0x370/0x370 [ 184.357994][ C0] ? ip6_finish_output+0x57b/0x820 [ 184.358018][ C0] ndisc_send_skb+0xbed/0x14b0 [ 184.358036][ C0] ? ndisc_alloc_skb+0x18c/0x450 [ 184.358054][ C0] ? ndisc_send_skb+0x1f2/0x14b0 [ 184.358075][ C0] ? ndisc_mc_map+0x680/0x680 [ 184.358093][ C0] ? skb_dst+0xd0/0xd0 [ 184.358108][ C0] ? __asan_memcpy+0x40/0x70 [ 184.358139][ C0] ndisc_send_ns+0xcc/0x150 [ 184.358158][ C0] ? ndisc_ns_create+0x640/0x640 [ 184.358180][ C0] addrconf_dad_work+0xa25/0x14e0 [ 184.358210][ C0] ? ipv6_get_saddr_eval+0xee0/0xee0 [ 184.358235][ C0] ? read_lock_is_recursive+0x20/0x20 [ 184.358255][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 184.358274][ C0] ? process_scheduled_works+0x957/0x15b0 [ 184.358294][ C0] ? process_scheduled_works+0x957/0x15b0 [ 184.358313][ C0] process_scheduled_works+0xa45/0x15b0 [ 184.358345][ C0] ? assign_work+0x400/0x400 [ 184.358367][ C0] ? assign_work+0x39e/0x400 [ 184.358387][ C0] worker_thread+0xa55/0xfc0 [ 184.358407][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 184.358426][ C0] ? _raw_spin_unlock+0x40/0x40 [ 184.358443][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 184.358470][ C0] kthread+0x2fa/0x390 [ 184.358484][ C0] ? pr_cont_work+0x560/0x560 [ 184.358503][ C0] ? kthread_blkcg+0xd0/0xd0 [ 184.358517][ C0] ret_from_fork+0x48/0x80 [ 184.358535][ C0] ? kthread_blkcg+0xd0/0xd0 [ 184.358550][ C0] ret_from_fork_asm+0x11/0x20 [ 184.358579][ C0] [ 184.358585][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.705 msecs