no interfaces have a carrier [ 31.288497][ T3852] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.303456][ T3852] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.102' (ED25519) to the list of known hosts. 2026/05/16 18:34:07 parsed 1 programs syzkaller login: [ 55.571630][ T4198] cgroup: Unknown subsys name 'net' [ 55.727706][ T4198] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 57.147992][ T4198] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 60.090850][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.104068][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.124504][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.139422][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.147783][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.156021][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.368311][ T154] ODEBUG: Out of memory. ODEBUG disabled [ 60.391648][ T4260] chnl_net:caif_netlink_parms(): no params data found [ 60.457009][ T4260] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.464791][ T4260] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.473421][ T4260] device bridge_slave_0 entered promiscuous mode [ 60.496867][ T4260] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.504111][ T4260] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.512439][ T4260] device bridge_slave_1 entered promiscuous mode [ 60.540821][ T4260] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.552443][ T4260] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.602145][ T4260] team0: Port device team_slave_0 added [ 60.613432][ T4260] team0: Port device team_slave_1 added [ 60.637709][ T4260] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.644755][ T4260] 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. [ 60.670927][ T4260] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.685695][ T4260] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.692706][ T4260] 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. [ 60.718662][ T4260] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.757566][ T4260] device hsr_slave_0 entered promiscuous mode [ 60.768395][ T4260] device hsr_slave_1 entered promiscuous mode [ 60.863978][ T4260] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.874338][ T4260] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.882950][ T4260] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.891754][ T4260] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.910393][ T4260] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.917636][ T4260] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.925230][ T4260] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.932335][ T4260] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.973612][ T4260] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.986858][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.995529][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.003643][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.016245][ T4260] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.028198][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.036802][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.043881][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.054810][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.063528][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.072088][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.079121][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.089781][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.100874][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.113347][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.122501][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.131382][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.141596][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.150054][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.164811][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.173712][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.183444][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.193256][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.203909][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.310641][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.318274][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.330755][ T4260] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.363464][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.372533][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.390547][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.398935][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.409033][ T4260] device veth0_vlan entered promiscuous mode [ 61.435039][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.443738][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.454135][ T4260] device veth1_vlan entered promiscuous mode [ 61.471054][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.479483][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.487582][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.497094][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.509424][ T4260] device veth0_macvtap entered promiscuous mode [ 61.539773][ T4260] device veth1_macvtap entered promiscuous mode [ 61.553918][ T4260] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.562040][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.569967][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.578044][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.587110][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.598067][ T4260] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.608971][ T4260] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.618030][ T4260] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.627152][ T4260] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.636049][ T4260] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.647849][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.656892][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/05/16 18:34:16 executed programs: 0 [ 62.618367][ T4309] chnl_net:caif_netlink_parms(): no params data found [ 62.674121][ T4309] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.682725][ T4309] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.690683][ T4309] device bridge_slave_0 entered promiscuous mode [ 62.700170][ T4309] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.709933][ T4309] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.719056][ T4309] device bridge_slave_1 entered promiscuous mode [ 62.747799][ T4309] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.759813][ T4309] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.789771][ T4309] team0: Port device team_slave_0 added [ 62.799089][ T4309] team0: Port device team_slave_1 added [ 62.819550][ T4309] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.826610][ T4309] 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. [ 62.852615][ T4309] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.865216][ T4309] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.872274][ T4309] 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. [ 62.898263][ T4309] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.933117][ T4309] device hsr_slave_0 entered promiscuous mode [ 62.939769][ T4309] device hsr_slave_1 entered promiscuous mode [ 62.946412][ T4309] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.954370][ T4309] Cannot create hsr debugfs directory [ 63.027288][ T4309] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.541953][ T4284] Bluetooth: hci0: command 0x0409 tx timeout [ 65.927500][ T4309] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.621736][ T4284] Bluetooth: hci0: command 0x041b tx timeout [ 66.886056][ T4309] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.946893][ T4309] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.086323][ T4309] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.096813][ T4309] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.115373][ T4309] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.125013][ T4309] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.175798][ T4309] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.188958][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.196995][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.215059][ T4309] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.224162][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.233505][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.242376][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.249521][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.257639][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.272390][ T154] device hsr_slave_0 left promiscuous mode [ 67.278873][ T154] device hsr_slave_1 left promiscuous mode [ 67.286060][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 67.293769][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 67.302118][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 67.309503][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 67.317181][ T154] device bridge_slave_1 left promiscuous mode [ 67.323475][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.335484][ T154] device bridge_slave_0 left promiscuous mode [ 67.342155][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.358321][ T154] device veth1_macvtap left promiscuous mode [ 67.365152][ T154] device veth0_macvtap left promiscuous mode [ 67.371180][ T154] device veth1_vlan left promiscuous mode [ 67.377306][ T154] device veth0_vlan left promiscuous mode [ 67.502882][ T154] team0 (unregistering): Port device team_slave_1 removed [ 67.516586][ T154] team0 (unregistering): Port device team_slave_0 removed [ 67.528063][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 67.541121][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 67.592830][ T154] bond0 (unregistering): Released all slaves [ 67.638627][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.647364][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.655800][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.662891][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.670655][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.680020][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.697176][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.706838][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.716641][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.726786][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.742368][ T4309] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.753902][ T4309] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.766479][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.774818][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.784019][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.792525][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.800739][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.809158][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.903423][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.910863][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.924212][ T4309] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.938629][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.947355][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.969207][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.977804][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.986997][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.995448][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.004231][ T4309] device veth0_vlan entered promiscuous mode [ 68.023437][ T4309] device veth1_vlan entered promiscuous mode [ 68.046018][ T4323] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.054607][ T4323] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.063865][ T4323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.072561][ T4323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.083864][ T4309] device veth0_macvtap entered promiscuous mode [ 68.093790][ T4309] device veth1_macvtap entered promiscuous mode [ 68.110927][ T4309] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.118984][ T4323] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.129105][ T4323] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.137425][ T4323] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.147381][ T4323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.158751][ T4309] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.167516][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.177176][ T1265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.188065][ T4309] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.197934][ T4309] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.207232][ T4309] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.216375][ T4309] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.275720][ T1265] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.288734][ T1265] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.305971][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.318659][ T1265] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.328582][ T1265] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.336581][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.379840][ T4328] INFO: trying to register non-static key. [ 68.385672][ T4328] The code is fine but needs lockdep annotation, or maybe [ 68.392792][ T4328] you didn't initialize this object before use? [ 68.399036][ T4328] turning off the locking correctness validator. [ 68.405380][ T4328] CPU: 1 PID: 4328 Comm: syz.0.17 Not tainted syzkaller #0 [ 68.412656][ T4328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 68.422754][ T4328] Call Trace: [ 68.426052][ T4328] [ 68.428989][ T4328] dump_stack_lvl+0x188/0x250 [ 68.433696][ T4328] ? show_regs_print_info+0x20/0x20 [ 68.438917][ T4328] ? load_image+0x400/0x400 [ 68.443433][ T4328] ? cpumask_next+0xb3/0xd0 [ 68.447941][ T4328] ? __is_module_percpu_address+0x2a7/0x410 [ 68.453865][ T4328] ? is_kernel_percpu_address+0x143/0x160 [ 68.459604][ T4328] assign_lock_key+0x1ec/0x200 [ 68.464378][ T4328] ? SOFTIRQ_verbose+0x10/0x10 [ 68.469153][ T4328] register_lock_class+0x21d/0x890 [ 68.474271][ T4328] ? __lock_acquire+0x13bc/0x7d10 [ 68.479307][ T4328] ? is_dynamic_key+0x1f0/0x1f0 [ 68.484172][ T4328] __lock_acquire+0x16f/0x7d10 [ 68.488955][ T4328] ? mark_lock+0x94/0x320 [ 68.493303][ T4328] ? __lock_acquire+0x12e8/0x7d10 [ 68.498339][ T4328] ? verify_lock_unused+0x140/0x140 [ 68.503551][ T4328] ? verify_lock_unused+0x140/0x140 [ 68.508779][ T4328] ? __might_sleep+0xf0/0xf0 [ 68.513373][ T4328] lock_acquire+0x19e/0x400 [ 68.517893][ T4328] ? gsmld_write+0x57/0x120 [ 68.522425][ T4328] ? read_lock_is_recursive+0x10/0x10 [ 68.527812][ T4328] ? _copy_from_iter+0x5cb/0x1170 [ 68.532850][ T4328] ? _raw_spin_lock_irqsave+0x8b/0x100 [ 68.538334][ T4328] ? lockdep_hardirqs_off+0x70/0x100 [ 68.543646][ T4328] _raw_spin_lock_irqsave+0xb0/0x100 [ 68.548934][ T4328] ? gsmld_write+0x57/0x120 [ 68.553445][ T4328] ? _raw_spin_lock+0x40/0x40 [ 68.558133][ T4328] ? __virt_addr_valid+0x3c6/0x470 [ 68.563260][ T4328] gsmld_write+0x57/0x120 [ 68.567609][ T4328] file_tty_write+0x557/0x910 [ 68.572301][ T4328] ? gsmld_read+0x10/0x10 [ 68.576635][ T4328] do_iter_readv_writev+0x47e/0x5f0 [ 68.581846][ T4328] ? aa_path_link+0x880/0x880 [ 68.586537][ T4328] ? generic_file_rw_checks+0x280/0x280 [ 68.592093][ T4328] ? common_file_perm+0x171/0x1c0 [ 68.597131][ T4328] ? fsnotify_perm+0x5d/0x560 [ 68.601825][ T4328] ? security_file_permission+0x75/0xa0 [ 68.607391][ T4328] do_iter_write+0x205/0x7b0 [ 68.611997][ T4328] ? import_iovec+0x6f/0xa0 [ 68.616516][ T4328] do_writev+0x281/0x480 [ 68.620775][ T4328] ? do_readv+0x460/0x460 [ 68.625135][ T4328] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 68.631138][ T4328] ? lock_chain_count+0x20/0x20 [ 68.636012][ T4328] ? vtime_user_exit+0x2c8/0x3e0 [ 68.640997][ T4328] ? lockdep_hardirqs_on+0x94/0x140 [ 68.646220][ T4328] do_syscall_64+0x4c/0xa0 [ 68.650646][ T4328] ? clear_bhb_loop+0x30/0x80 [ 68.655337][ T4328] ? clear_bhb_loop+0x30/0x80 [ 68.660026][ T4328] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.665928][ T4328] RIP: 0033:0x7f1137e9be59 [ 68.670354][ T4328] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 68.689982][ T4328] RSP: 002b:00007ffda87a2498 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 68.698420][ T4328] RAX: ffffffffffffffda RBX: 00007f1138114fa0 RCX: 00007f1137e9be59 [ 68.706399][ T4328] RDX: 0000000000000001 RSI: 0000200000000340 RDI: 0000000000000003 [ 68.714375][ T4328] RBP: 00007f1137f31d6f R08: 0000000000000000 R09: 0000000000000000 [ 68.722353][ T4328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.730418][ T4328] R13: 00007f1138114fac R14: 00007f1138114fa0 R15: 00007f1138114fa0 [ 68.733380][ T13] Bluetooth: hci0: command 0x040f tx timeout [ 68.738406][ T4328] [ 68.754306][ T4328] [U] ø