Warning: Permanently added '10.128.0.16' (ED25519) to the list of known hosts. 2025/07/17 16:57:59 ignoring optional flag "sandboxArg"="0" 2025/07/17 16:58:00 parsed 1 programs [ 64.890894][ T5793] cgroup: Unknown subsys name 'net' [ 65.023085][ T5793] cgroup: Unknown subsys name 'rlimit' [ 66.381408][ T5793] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 68.117088][ T5807] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.126395][ T5807] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.134251][ T5807] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.146023][ T5807] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.153872][ T5807] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.161919][ T5807] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.563113][ T5819] chnl_net:caif_netlink_parms(): no params data found [ 68.623695][ T5819] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.630978][ T5819] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.638620][ T5819] bridge_slave_0: entered allmulticast mode [ 68.645942][ T5819] bridge_slave_0: entered promiscuous mode [ 68.659277][ T5819] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.666509][ T5819] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.673621][ T5819] bridge_slave_1: entered allmulticast mode [ 68.680969][ T5819] bridge_slave_1: entered promiscuous mode [ 68.711458][ T5819] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.723371][ T5819] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.757112][ T5819] team0: Port device team_slave_0 added [ 68.765659][ T5819] team0: Port device team_slave_1 added [ 68.795871][ T5819] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.802856][ T5819] 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. [ 68.829096][ T5819] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.843035][ T5819] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.850413][ T5819] 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. [ 68.876494][ T5819] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.919719][ T5819] hsr_slave_0: entered promiscuous mode [ 68.931090][ T5819] hsr_slave_1: entered promiscuous mode [ 69.078540][ T5819] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.089933][ T5819] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.102039][ T5819] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.111403][ T5819] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.147398][ T5819] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.154775][ T5819] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.162889][ T5819] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.170040][ T5819] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.231020][ T5819] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.248362][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.260668][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.273729][ T5819] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.293317][ T59] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.300502][ T59] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.314745][ T59] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.321955][ T59] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.500817][ T5819] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.544204][ T5819] veth0_vlan: entered promiscuous mode [ 69.569134][ T5819] veth1_vlan: entered promiscuous mode [ 69.605418][ T5819] veth0_macvtap: entered promiscuous mode [ 69.615114][ T5819] veth1_macvtap: entered promiscuous mode [ 69.640557][ T5819] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.653062][ T5819] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.665074][ T5819] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.674359][ T5819] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.683097][ T5819] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.691950][ T5819] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.831376][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.315110][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.324105][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.350206][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.358397][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.711982][ T1278] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.718665][ T1278] ieee802154 phy1 wpan1: encryption failed: -22 2025/07/17 16:58:09 executed programs: 0 [ 72.110034][ T5807] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.118543][ T5807] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 72.129157][ T5807] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 72.138483][ T5807] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 72.147726][ T5807] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 72.155102][ T5807] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 72.281420][ T5893] chnl_net:caif_netlink_parms(): no params data found [ 72.333752][ T5893] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.341149][ T5893] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.348407][ T5893] bridge_slave_0: entered allmulticast mode [ 72.355141][ T5893] bridge_slave_0: entered promiscuous mode [ 72.363406][ T5893] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.370793][ T5893] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.378932][ T5893] bridge_slave_1: entered allmulticast mode [ 72.385968][ T5893] bridge_slave_1: entered promiscuous mode [ 72.411962][ T5893] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.423368][ T5893] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.452445][ T5893] team0: Port device team_slave_0 added [ 72.460206][ T5893] team0: Port device team_slave_1 added [ 72.483543][ T5893] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.491276][ T5893] 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. [ 72.518200][ T5893] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.530559][ T5893] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.537899][ T5893] 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. [ 72.564262][ T5893] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.601647][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.627345][ T5893] hsr_slave_0: entered promiscuous mode [ 72.633944][ T5893] hsr_slave_1: entered promiscuous mode [ 72.640436][ T5893] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.648417][ T5893] Cannot create hsr debugfs directory [ 74.187191][ T5807] Bluetooth: hci0: command tx timeout [ 74.987559][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.037470][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.883248][ T12] hsr_slave_0: left promiscuous mode [ 75.890026][ T12] hsr_slave_1: left promiscuous mode [ 75.896470][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 75.903917][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 75.912580][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 75.920177][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 75.927968][ T12] bridge_slave_1: left allmulticast mode [ 75.933641][ T12] bridge_slave_1: left promiscuous mode [ 75.940107][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.950862][ T12] bridge_slave_0: left allmulticast mode [ 75.957827][ T12] bridge_slave_0: left promiscuous mode [ 75.963560][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.984229][ T12] veth1_macvtap: left promiscuous mode [ 75.990613][ T12] veth0_macvtap: left promiscuous mode [ 75.997156][ T12] veth1_vlan: left promiscuous mode [ 76.002605][ T12] veth0_vlan: left promiscuous mode [ 76.259276][ T5807] Bluetooth: hci0: command tx timeout [ 76.344626][ T12] team0 (unregistering): Port device team_slave_1 removed [ 76.375448][ T12] team0 (unregistering): Port device team_slave_0 removed [ 76.403321][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 76.434401][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.715261][ T12] bond0 (unregistering): Released all slaves [ 76.822897][ T5893] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.833648][ T5893] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.853161][ T5893] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.865016][ T5893] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.986405][ T5893] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.018709][ T5893] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.034941][ T59] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.042184][ T59] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.070187][ T2991] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.077413][ T2991] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.395510][ T5893] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.488454][ T5893] veth0_vlan: entered promiscuous mode [ 77.503871][ T5893] veth1_vlan: entered promiscuous mode [ 77.551334][ T5893] veth0_macvtap: entered promiscuous mode [ 77.565625][ T5893] veth1_macvtap: entered promiscuous mode [ 77.603599][ T5893] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.619535][ T5893] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.631270][ T5893] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.640277][ T5893] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.649125][ T5893] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.658041][ T5893] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/07/17 16:58:14 executed programs: 2 [ 77.715586][ T2991] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.726734][ T2991] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.746954][ T2991] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.755224][ T2991] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.338468][ T5807] Bluetooth: hci0: command tx timeout [ 78.670016][ T12] [ 78.672402][ T12] ============================================ [ 78.678552][ T12] WARNING: possible recursive locking detected [ 78.684707][ T12] 6.6.98-syzkaller #0 Not tainted [ 78.689712][ T12] -------------------------------------------- [ 78.695841][ T12] kworker/u4:1/12 is trying to acquire lock: [ 78.701801][ T12] ffff8880b8e295a8 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x15a/0x780 [ 78.710417][ T12] [ 78.710417][ T12] but task is already holding lock: [ 78.717848][ T12] ffff8880b8e295a8 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x15a/0x780 [ 78.726474][ T12] [ 78.726474][ T12] other info that might help us debug this: [ 78.734512][ T12] Possible unsafe locking scenario: [ 78.734512][ T12] [ 78.741945][ T12] CPU0 [ 78.745201][ T12] ---- [ 78.748456][ T12] lock(krc.lock); [ 78.752241][ T12] lock(krc.lock); [ 78.756022][ T12] [ 78.756022][ T12] *** DEADLOCK *** [ 78.756022][ T12] [ 78.764423][ T12] May be due to missing lock nesting notation [ 78.764423][ T12] [ 78.772714][ T12] 8 locks held by kworker/u4:1/12: [ 78.777803][ T12] #0: ffff888017873938 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x957/0x15b0 [ 78.788825][ T12] #1: ffffc90000117d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x957/0x15b0 [ 78.799326][ T12] #2: ffffffff8dfadc10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x136/0xb90 [ 78.808691][ T12] #3: ffffffff8dfbaa08 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_delete_nets+0xcc/0x360 [ 78.818335][ T12] #4: ffffffff8ce938b8 (sysctl_lock){+.+.}-{2:2}, at: drop_sysctl_table+0x173/0x4b0 [ 78.827813][ T12] #5: ffff8880b8e295a8 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x15a/0x780 [ 78.836851][ T12] #6: ffff8880b8e297d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270 [ 78.846150][ T12] #7: ffffffff8cd2fae0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run3+0xf4/0x400 [ 78.855450][ T12] [ 78.855450][ T12] stack backtrace: [ 78.861333][ T12] CPU: 0 PID: 12 Comm: kworker/u4:1 Not tainted 6.6.98-syzkaller #0 [ 78.869555][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 78.879604][ T12] Workqueue: netns cleanup_net [ 78.884375][ T12] Call Trace: [ 78.887642][ T12] [ 78.890651][ T12] dump_stack_lvl+0x16c/0x230 [ 78.895309][ T12] ? show_regs_print_info+0x20/0x20 [ 78.900489][ T12] ? print_deadlock_bug+0x435/0x5d0 [ 78.905668][ T12] __lock_acquire+0x5d40/0x7c80 [ 78.910502][ T12] ? stack_trace_snprint+0xf0/0xf0 [ 78.915592][ T12] ? __stack_depot_save+0x560/0x630 [ 78.920771][ T12] ? verify_lock_unused+0x140/0x140 [ 78.925957][ T12] ? kasan_save_stack+0x4d/0x60 [ 78.930786][ T12] ? kasan_save_stack+0x3e/0x60 [ 78.935612][ T12] ? __kasan_record_aux_stack+0xaf/0xc0 [ 78.941137][ T12] ? kvfree_call_rcu+0xee/0x780 [ 78.945969][ T12] ? trie_delete_elem+0x535/0x6a0 [ 78.950993][ T12] ? bpf_prog_2c29ac5cdc6b1842+0x42/0x46 [ 78.956614][ T12] ? bpf_trace_run3+0x1e7/0x400 [ 78.961447][ T12] ? __bpf_trace_timer_start+0x14a/0x1b0 [ 78.967061][ T12] ? enqueue_timer+0x398/0x530 [ 78.971806][ T12] ? __mod_timer+0x977/0xdb0 [ 78.976381][ T12] ? queue_delayed_work_on+0x12a/0x1e0 [ 78.981816][ T12] ? kvfree_call_rcu+0x541/0x780 [ 78.986730][ T12] ? drop_sysctl_table+0x356/0x4b0 [ 78.991820][ T12] ? unregister_sysctl_table+0x41/0x60 [ 78.997279][ T12] ? inetdev_event+0x760/0x15c0 [ 79.002121][ T12] ? notifier_call_chain+0x197/0x390 [ 79.007383][ T12] ? unregister_netdevice_many_notify+0xf36/0x1810 [ 79.013863][ T12] ? ip_tunnel_delete_nets+0x31c/0x360 [ 79.019301][ T12] ? cleanup_net+0x77f/0xb90 [ 79.023878][ T12] ? process_scheduled_works+0xa45/0x15b0 [ 79.029582][ T12] ? worker_thread+0xa55/0xfc0 [ 79.034327][ T12] ? ret_from_fork+0x48/0x80 [ 79.038911][ T12] ? ret_from_fork_asm+0x11/0x20 [ 79.043856][ T12] lock_acquire+0x197/0x410 [ 79.048355][ T12] ? kvfree_call_rcu+0x15a/0x780 [ 79.053285][ T12] ? read_lock_is_recursive+0x20/0x20 [ 79.058654][ T12] ? __phys_addr+0xba/0x170 [ 79.063152][ T12] _raw_spin_lock+0x2e/0x40 [ 79.067644][ T12] ? kvfree_call_rcu+0x15a/0x780 [ 79.072585][ T12] kvfree_call_rcu+0x15a/0x780 [ 79.077362][ T12] ? call_rcu+0x930/0x930 [ 79.081684][ T12] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 79.087567][ T12] ? _raw_spin_unlock+0x40/0x40 [ 79.092404][ T12] trie_delete_elem+0x535/0x6a0 [ 79.097243][ T12] bpf_prog_2c29ac5cdc6b1842+0x42/0x46 [ 79.102691][ T12] bpf_trace_run3+0x1e7/0x400 [ 79.107344][ T12] ? bpf_trace_run3+0xf4/0x400 [ 79.112102][ T12] ? bpf_trace_run2+0x3c0/0x3c0 [ 79.116957][ T12] ? __bpf_trace_timer_start+0x133/0x1b0 [ 79.122628][ T12] __bpf_trace_timer_start+0x14a/0x1b0 [ 79.128080][ T12] ? __bpf_trace_timer_class+0x100/0x100 [ 79.133706][ T12] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 79.139585][ T12] ? _raw_spin_unlock+0x40/0x40 [ 79.144433][ T12] ? _raw_spin_lock_irqsave+0xb4/0xf0 [ 79.150394][ T12] ? _raw_spin_lock+0x40/0x40 [ 79.155055][ T12] enqueue_timer+0x398/0x530 [ 79.159626][ T12] __mod_timer+0x977/0xdb0 [ 79.164027][ T12] queue_delayed_work_on+0x12a/0x1e0 [ 79.169293][ T12] ? delayed_work_timer_fn+0x80/0x80 [ 79.174557][ T12] ? llist_del_first+0x10e/0x170 [ 79.179506][ T12] ? llist_add_batch+0x1e0/0x1e0 [ 79.184444][ T12] kvfree_call_rcu+0x541/0x780 [ 79.189208][ T12] ? call_rcu+0x930/0x930 [ 79.193525][ T12] drop_sysctl_table+0x356/0x4b0 [ 79.198446][ T12] ? insert_header+0x1220/0x1220 [ 79.203365][ T12] ? do_raw_spin_lock+0x121/0x2c0 [ 79.208393][ T12] ? __rwlock_init+0x150/0x150 [ 79.213142][ T12] unregister_sysctl_table+0x41/0x60 [ 79.218413][ T12] inetdev_event+0x760/0x15c0 [ 79.223076][ T12] ? netdevice_event+0x890/0x890 [ 79.227993][ T12] ? rdma_roce_rescan_device+0x30/0x30 [ 79.233432][ T12] ? devinet_exit_net+0x220/0x220 [ 79.238441][ T12] notifier_call_chain+0x197/0x390 [ 79.243534][ T12] unregister_netdevice_many_notify+0xf36/0x1810 [ 79.249853][ T12] ? unregister_netdevice_many+0x20/0x20 [ 79.255469][ T12] ? unregister_netdevice_queue+0x1ae/0x360 [ 79.261340][ T12] ? list_netdevice+0x730/0x730 [ 79.266175][ T12] ? net_generic+0x1e/0x240 [ 79.270658][ T12] ip_tunnel_delete_nets+0x31c/0x360 [ 79.275926][ T12] ? ip_tunnel_bind_dev+0x7f0/0x7f0 [ 79.281105][ T12] ? cleanup_net+0x6f4/0xb90 [ 79.285671][ T12] ? __kmem_cache_free+0xba/0x1f0 [ 79.290680][ T12] ? ipgre_tap_init_net+0x30/0x30 [ 79.295691][ T12] cleanup_net+0x77f/0xb90 [ 79.300090][ T12] ? ops_free_list+0x3b0/0x3b0 [ 79.304835][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 79.310018][ T12] ? process_scheduled_works+0x957/0x15b0 [ 79.315720][ T12] ? process_scheduled_works+0x957/0x15b0 [ 79.321417][ T12] process_scheduled_works+0xa45/0x15b0 [ 79.326947][ T12] ? assign_work+0x400/0x400 [ 79.331523][ T12] ? assign_work+0x39e/0x400 [ 79.336094][ T12] worker_thread+0xa55/0xfc0 [ 79.340673][ T12] kthread+0x2fa/0x390 [ 79.344721][ T12] ? pr_cont_work+0x560/0x560 [ 79.349390][ T12] ? kthread_blkcg+0xd0/0xd0 [ 79.353959][ T12] ret_from_fork+0x48/0x80 [ 79.358358][ T12] ? kthread_blkcg+0xd0/0xd0 [ 79.362925][ T12] ret_from_fork_asm+0x11/0x20 [ 79.367693][ T12]