Warning: Permanently added '10.128.0.201' (ED25519) to the list of known hosts. 2026/03/19 21:44:25 parsed 1 programs [ 53.235867][ T4188] cgroup: Unknown subsys name 'net' [ 53.375208][ T4188] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 54.644603][ T4188] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 55.858695][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.868732][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.878438][ T1216] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.895412][ T1216] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.903497][ T1216] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.911461][ T1216] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.118180][ T4231] chnl_net:caif_netlink_parms(): no params data found [ 57.176744][ T4231] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.184434][ T4231] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.192812][ T4231] device bridge_slave_0 entered promiscuous mode [ 57.202624][ T4231] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.209734][ T4231] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.218062][ T4231] device bridge_slave_1 entered promiscuous mode [ 57.242219][ T4231] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.253775][ T4231] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.282078][ T4231] team0: Port device team_slave_0 added [ 57.289810][ T4231] team0: Port device team_slave_1 added [ 57.310595][ T4231] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.317540][ T4231] 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. [ 57.343481][ T4231] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.356626][ T4231] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.363643][ T4231] 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. [ 57.389649][ T4231] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.426318][ T4231] device hsr_slave_0 entered promiscuous mode [ 57.433201][ T4231] device hsr_slave_1 entered promiscuous mode [ 57.567191][ T4231] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.578790][ T4231] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.588386][ T4231] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.598803][ T4231] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.625516][ T4231] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.632733][ T4231] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.640646][ T4231] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.647715][ T4231] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.702172][ T4231] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.717733][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.733188][ T553] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.747855][ T553] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.760091][ T4231] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.776905][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.785935][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.793012][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.802029][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.810638][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.817678][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.843696][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.853733][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.862658][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.873574][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.892827][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.901727][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.913385][ T4231] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.005026][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.017140][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.034322][ T4231] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.053361][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.062509][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.087892][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.099316][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.108206][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.116304][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.129448][ T4231] device veth0_vlan entered promiscuous mode [ 58.149257][ T4231] device veth1_vlan entered promiscuous mode [ 58.172647][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.181350][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.189230][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.198933][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.208717][ T4231] device veth0_macvtap entered promiscuous mode [ 58.219240][ T4231] device veth1_macvtap entered promiscuous mode [ 58.232320][ T4231] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.239692][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.248488][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.256530][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.265043][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.288588][ T4231] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.295885][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.304513][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.316295][ T4231] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.326199][ T4231] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.335469][ T4231] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.344203][ T4231] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/03/19 21:44:33 executed programs: 0 [ 59.686810][ T4286] chnl_net:caif_netlink_parms(): no params data found [ 59.748547][ T4286] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.757631][ T4286] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.767288][ T4286] device bridge_slave_0 entered promiscuous mode [ 59.777055][ T4286] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.786120][ T4286] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.795532][ T4286] device bridge_slave_1 entered promiscuous mode [ 59.823814][ T4286] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.836486][ T4286] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.867677][ T4286] team0: Port device team_slave_0 added [ 59.877640][ T4286] team0: Port device team_slave_1 added [ 59.900196][ T4286] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.908693][ T4286] 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. [ 59.938125][ T4286] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.955465][ T4286] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.962787][ T4286] 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. [ 59.988863][ T4286] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.021800][ T4286] device hsr_slave_0 entered promiscuous mode [ 60.028820][ T4286] device hsr_slave_1 entered promiscuous mode [ 60.035749][ T4286] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.044080][ T4286] Cannot create hsr debugfs directory [ 60.134903][ T4286] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.630987][ T1325] Bluetooth: hci0: command 0x0409 tx timeout [ 63.016558][ T4286] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.145093][ T4286] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.206015][ T4286] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.304209][ T4286] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.314047][ T4286] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.335766][ T4286] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.344348][ T4286] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.403261][ T4286] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.416104][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.424198][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.447108][ T4286] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.456042][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.465170][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.475864][ T553] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.482939][ T553] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.493414][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.503267][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.512261][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.520642][ T553] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.527677][ T553] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.544581][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.555036][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.566570][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.575092][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.583865][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.603355][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.612538][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.623212][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.633520][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.657875][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.666501][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.677531][ T4286] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.721059][ T4304] Bluetooth: hci0: command 0x041b tx timeout [ 63.773667][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.782094][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.793236][ T4286] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.809375][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.817979][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.836111][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.844377][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.864876][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.872708][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.880286][ T4286] device veth0_vlan entered promiscuous mode [ 63.892333][ T4286] device veth1_vlan entered promiscuous mode [ 63.907446][ T1216] device hsr_slave_0 left promiscuous mode [ 63.914014][ T1216] device hsr_slave_1 left promiscuous mode [ 63.921461][ T1216] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 63.928863][ T1216] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 63.937222][ T1216] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 63.944843][ T1216] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 63.953865][ T1216] device bridge_slave_1 left promiscuous mode [ 63.960661][ T1216] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.973945][ T1216] device bridge_slave_0 left promiscuous mode [ 63.980083][ T1216] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.997399][ T1216] device veth1_macvtap left promiscuous mode [ 64.003982][ T1216] device veth0_macvtap left promiscuous mode [ 64.010000][ T1216] device veth1_vlan left promiscuous mode [ 64.016775][ T1216] device veth0_vlan left promiscuous mode [ 64.150062][ T1216] team0 (unregistering): Port device team_slave_1 removed [ 64.164263][ T1216] team0 (unregistering): Port device team_slave_0 removed [ 64.176566][ T1216] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 64.189286][ T1216] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 64.237055][ T1216] bond0 (unregistering): Released all slaves [ 64.293468][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.301598][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.309511][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.318171][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.328069][ T4286] device veth0_macvtap entered promiscuous mode [ 64.343222][ T4286] device veth1_macvtap entered promiscuous mode [ 64.362034][ T4286] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.369446][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.379771][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.387938][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.397217][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.409711][ T4286] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.417760][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.427028][ T553] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.443035][ T4286] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.452176][ T4286] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.461203][ T4286] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.469887][ T4286] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.529800][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.539653][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.557938][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.568462][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.577528][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.585124][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.660262][ T146] [ 64.662624][ T146] ===================================== [ 64.668174][ T146] WARNING: bad unlock balance detected! [ 64.673731][ T146] syzkaller #0 Not tainted [ 64.678135][ T146] ------------------------------------- [ 64.683664][ T146] kworker/u5:0/146 is trying to release lock (&chan->lock) at: [ 64.691215][ T146] [] l2cap_recv_frame+0xd0c/0x88d0 [ 64.697911][ T146] but there are no more locks to release! [ 64.703605][ T146] [ 64.703605][ T146] other info that might help us debug this: [ 64.711643][ T146] 2 locks held by kworker/u5:0/146: [ 64.716822][ T146] #0: ffff8880776b2938 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work+0x761/0x1010 [ 64.727164][ T146] #1: ffffc9000172fd00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010 [ 64.738535][ T146] [ 64.738535][ T146] stack backtrace: [ 64.744415][ T146] CPU: 1 PID: 146 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 64.751852][ T146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 64.761895][ T146] Workqueue: hci0 hci_rx_work [ 64.766564][ T146] Call Trace: [ 64.769821][ T146] [ 64.772732][ T146] dump_stack_lvl+0x188/0x250 [ 64.777390][ T146] ? show_regs_print_info+0x20/0x20 [ 64.782569][ T146] ? l2cap_recv_frame+0xd0c/0x88d0 [ 64.787663][ T146] lock_release+0x538/0x8a0 [ 64.792149][ T146] ? l2cap_recv_frame+0xd0c/0x88d0 [ 64.797242][ T146] ? __lock_acquire+0x7d10/0x7d10 [ 64.802249][ T146] ? lock_chain_count+0x20/0x20 [ 64.807080][ T146] ? lockdep_hardirqs_on_prepare+0x770/0x770 [ 64.813039][ T146] __mutex_unlock_slowpath+0xc8/0x6c0 [ 64.818392][ T146] ? __local_bh_enable_ip+0x136/0x1c0 [ 64.823775][ T146] ? mutex_unlock+0x10/0x10 [ 64.828261][ T146] ? l2cap_sock_recv_cb+0x18b/0x1e0 [ 64.833444][ T146] ? l2cap_sock_recv_cb+0x18b/0x1e0 [ 64.838621][ T146] l2cap_recv_frame+0xd0c/0x88d0 [ 64.843543][ T146] ? __lock_acquire+0x7d10/0x7d10 [ 64.848550][ T146] ? l2cap_recv_frag+0x290/0x290 [ 64.853468][ T146] ? __mutex_unlock_slowpath+0x1b0/0x6c0 [ 64.859079][ T146] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 64.864953][ T146] ? mutex_unlock+0x10/0x10 [ 64.869433][ T146] ? l2cap_recv_acldata+0x633/0x17c0 [ 64.874701][ T146] hci_rx_work+0x4a4/0xa10 [ 64.879102][ T146] process_one_work+0x85f/0x1010 [ 64.884021][ T146] ? worker_detach_from_pool+0x240/0x240 [ 64.889725][ T146] ? lockdep_hardirqs_off+0x70/0x100 [ 64.895006][ T146] ? _raw_spin_lock_irq+0xb7/0xf0 [ 64.900017][ T146] ? _raw_spin_lock_irqsave+0x100/0x100 [ 64.905553][ T146] ? wq_worker_running+0x97/0x170 [ 64.910564][ T146] worker_thread+0xaa6/0x1290 [ 64.915238][ T146] kthread+0x436/0x520 [ 64.919289][ T146] ? rcu_lock_release+0x20/0x20 [ 64.924126][ T146] ? kthread_blkcg+0xd0/0xd0 [ 64.928703][ T146] ret_from_fork+0x1f/0x30 [ 64.933120][ T146]