Warning: Permanently added '10.128.0.183' (ED25519) to the list of known hosts. 2026/05/30 17:05:52 parsed 1 programs [ 58.074386][ T4200] cgroup: Unknown subsys name 'net' [ 58.210680][ T4200] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 59.705740][ T4200] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 62.108302][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.127497][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.154206][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.172862][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.182154][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.190751][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.152956][ T9] ODEBUG: Out of memory. ODEBUG disabled [ 63.163075][ T4255] chnl_net:caif_netlink_parms(): no params data found [ 63.229560][ T4255] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.238664][ T4255] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.247732][ T4255] device bridge_slave_0 entered promiscuous mode [ 63.272744][ T4255] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.281304][ T4255] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.289304][ T4255] device bridge_slave_1 entered promiscuous mode [ 63.334659][ T4255] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.349690][ T4255] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.398190][ T4255] team0: Port device team_slave_0 added [ 63.406338][ T4255] team0: Port device team_slave_1 added [ 63.428570][ T4255] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.435610][ T4255] 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. [ 63.461682][ T4255] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.473494][ T4255] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.480506][ T4255] 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. [ 63.506640][ T4255] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.533696][ T4255] device hsr_slave_0 entered promiscuous mode [ 63.540411][ T4255] device hsr_slave_1 entered promiscuous mode [ 63.621178][ T4255] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.631274][ T4255] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.639895][ T4255] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.649201][ T4255] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.670945][ T4255] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.678173][ T4255] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.686043][ T4255] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.693122][ T4255] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.730176][ T4255] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.743437][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.752620][ T469] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.761363][ T469] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.769483][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 63.781878][ T4255] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.792960][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.801413][ T469] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.808505][ T469] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.826107][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.834535][ T469] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.841648][ T469] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.852968][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.861689][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.889352][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.901067][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.912066][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.922909][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.029591][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.038631][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.050240][ T4255] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.084981][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.102794][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.112596][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.120478][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.132238][ T4255] device veth0_vlan entered promiscuous mode [ 64.156478][ T4255] device veth1_vlan entered promiscuous mode [ 64.176193][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.185205][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.196126][ T4255] device veth0_macvtap entered promiscuous mode [ 64.222177][ T4255] device veth1_macvtap entered promiscuous mode [ 64.241934][ T4255] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.250743][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.259302][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.267786][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.276641][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.288110][ T4255] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.296987][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.306169][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.336262][ T4255] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.345552][ T4255] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.354266][ T4255] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.363425][ T4255] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/05/30 17:06:01 executed programs: 0 [ 65.706580][ T4307] chnl_net:caif_netlink_parms(): no params data found [ 65.766538][ T4307] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.773724][ T4307] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.782279][ T4307] device bridge_slave_0 entered promiscuous mode [ 65.791168][ T4307] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.799265][ T4307] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.807775][ T4307] device bridge_slave_1 entered promiscuous mode [ 65.832077][ T4307] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.843743][ T4307] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.868734][ T4307] team0: Port device team_slave_0 added [ 65.877224][ T4307] team0: Port device team_slave_1 added [ 65.898884][ T4307] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.906833][ T4307] 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. [ 65.933433][ T4307] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.947904][ T4307] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.954885][ T4307] 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. [ 65.981800][ T4307] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.030129][ T4307] device hsr_slave_0 entered promiscuous mode [ 66.037149][ T4307] device hsr_slave_1 entered promiscuous mode [ 66.043800][ T4307] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.052348][ T4307] Cannot create hsr debugfs directory [ 66.144536][ T4307] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.585766][ T4319] Bluetooth: hci0: command 0x0409 tx timeout [ 69.010385][ T4307] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.180354][ T4307] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.250729][ T4307] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.353868][ T4307] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.362838][ T4307] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.383793][ T4307] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.392920][ T4307] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.450176][ T4307] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.468563][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.476823][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.486947][ T4307] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.496070][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.504763][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.513806][ T469] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.520900][ T469] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.529192][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.546506][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.555480][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.564172][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.571289][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.594118][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.606480][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.618272][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.627354][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.636983][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.658069][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.667017][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.678045][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 69.684728][ T4307] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.695392][ T4307] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.707166][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.715964][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.724268][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.733019][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.743124][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.843063][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.850668][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.866330][ T9] device hsr_slave_0 left promiscuous mode [ 69.872803][ T9] device hsr_slave_1 left promiscuous mode [ 69.879551][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 69.887149][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 69.896048][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 69.903462][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 69.911224][ T9] device bridge_slave_1 left promiscuous mode [ 69.918183][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.930033][ T9] device bridge_slave_0 left promiscuous mode [ 69.936670][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.952914][ T9] device veth1_macvtap left promiscuous mode [ 69.959220][ T9] device veth0_macvtap left promiscuous mode [ 69.965619][ T9] device veth1_vlan left promiscuous mode [ 69.971535][ T9] device veth0_vlan left promiscuous mode [ 70.099170][ T9] team0 (unregistering): Port device team_slave_1 removed [ 70.112550][ T9] team0 (unregistering): Port device team_slave_0 removed [ 70.127184][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 70.139880][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 70.190527][ T9] bond0 (unregistering): Released all slaves [ 70.230932][ T4307] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.248114][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.256747][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.273407][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.281866][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.290899][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.298880][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.309981][ T4307] device veth0_vlan entered promiscuous mode [ 70.324254][ T4307] device veth1_vlan entered promiscuous mode [ 70.348016][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.357754][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.366382][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.374752][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.385704][ T4307] device veth0_macvtap entered promiscuous mode [ 70.394166][ T4307] device veth1_macvtap entered promiscuous mode [ 70.409007][ T4307] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.416435][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.424520][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.433428][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.442220][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.466020][ T4307] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.483045][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.491643][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.501842][ T4307] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.511366][ T4307] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.520203][ T4307] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.529000][ T4307] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.595762][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.603630][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.613185][ T469] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.638442][ T4328] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.646670][ T4328] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.654557][ T4328] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.751756][ T4329] [ 70.754150][ T4329] ====================================================== [ 70.761190][ T4329] WARNING: possible circular locking dependency detected [ 70.768233][ T4329] syzkaller #0 Not tainted [ 70.772668][ T4329] ------------------------------------------------------ [ 70.779699][ T4329] syz.0.17/4329 is trying to acquire lock: [ 70.785518][ T4329] ffff88802a428c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xfa/0x210 [ 70.796598][ T4329] [ 70.796598][ T4329] but task is already holding lock: [ 70.803979][ T4329] ffffffff8d6c65a8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x18b/0x560 [ 70.813681][ T4329] [ 70.813681][ T4329] which lock already depends on the new lock. [ 70.813681][ T4329] [ 70.824201][ T4329] [ 70.824201][ T4329] the existing dependency chain (in reverse order) is: [ 70.833238][ T4329] [ 70.833238][ T4329] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 70.841265][ T4329] __mutex_lock_common+0x1e3/0x2400 [ 70.847026][ T4329] mutex_lock_nested+0x17/0x20 [ 70.852350][ T4329] rfkill_register+0x33/0x980 [ 70.857583][ T4329] hci_register_dev+0x452/0x970 [ 70.862983][ T4329] vhci_create_device+0x32c/0x5c0 [ 70.868551][ T4329] vhci_write+0x391/0x450 [ 70.873433][ T4329] vfs_write+0x745/0xd60 [ 70.878265][ T4329] ksys_write+0x152/0x260 [ 70.883151][ T4329] do_syscall_64+0x4c/0xa0 [ 70.888117][ T4329] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.894554][ T4329] [ 70.894554][ T4329] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 70.902397][ T4329] __mutex_lock_common+0x1e3/0x2400 [ 70.908153][ T4329] mutex_lock_nested+0x17/0x20 [ 70.913468][ T4329] vhci_send_frame+0x88/0x100 [ 70.918690][ T4329] hci_send_frame+0x1a9/0x2e0 [ 70.923919][ T4329] hci_tx_work+0x9f9/0x1710 [ 70.928970][ T4329] process_one_work+0x85f/0x1010 [ 70.934455][ T4329] worker_thread+0xaa6/0x1290 [ 70.939677][ T4329] kthread+0x436/0x520 [ 70.944293][ T4329] ret_from_fork+0x1f/0x30 [ 70.949263][ T4329] [ 70.949263][ T4329] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 70.958502][ T4329] __flush_work+0x116/0x210 [ 70.963560][ T4329] hci_dev_do_close+0x1e7/0x1030 [ 70.969053][ T4329] hci_unregister_dev+0x2d7/0x580 [ 70.974627][ T4329] vhci_release+0x73/0xc0 [ 70.979498][ T4329] __fput+0x234/0x930 [ 70.984032][ T4329] task_work_run+0x125/0x1a0 [ 70.989171][ T4329] do_exit+0x626/0x20c0 [ 70.993872][ T4329] do_group_exit+0x12e/0x300 [ 70.999006][ T4329] get_signal+0x6d6/0x12d0 [ 71.003971][ T4329] arch_do_signal_or_restart+0xe7/0x12c0 [ 71.010231][ T4329] exit_to_user_mode_loop+0x9e/0x130 [ 71.016054][ T4329] exit_to_user_mode_prepare+0xee/0x180 [ 71.022140][ T4329] syscall_exit_to_user_mode+0x16/0x40 [ 71.028151][ T4329] do_syscall_64+0x58/0xa0 [ 71.033114][ T4329] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.039545][ T4329] [ 71.039545][ T4329] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 71.047219][ T4329] __mutex_lock_common+0x1e3/0x2400 [ 71.052974][ T4329] mutex_lock_nested+0x17/0x20 [ 71.058293][ T4329] bg_scan_update+0x44/0x3b0 [ 71.063428][ T4329] process_one_work+0x85f/0x1010 [ 71.068903][ T4329] worker_thread+0xaa6/0x1290 [ 71.074220][ T4329] kthread+0x436/0x520 [ 71.078832][ T4329] ret_from_fork+0x1f/0x30 [ 71.083785][ T4329] [ 71.083785][ T4329] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 71.093628][ T4329] __lock_acquire+0x2c42/0x7d10 [ 71.099041][ T4329] lock_acquire+0x19e/0x400 [ 71.104090][ T4329] __flush_work+0x116/0x210 [ 71.109140][ T4329] __cancel_work_timer+0x3f4/0x560 [ 71.114802][ T4329] hci_request_cancel_all+0xcc/0x300 [ 71.120645][ T4329] hci_dev_do_close+0x4e/0x1030 [ 71.126048][ T4329] hci_rfkill_set_block+0x10a/0x190 [ 71.131971][ T4329] rfkill_set_block+0x1c9/0x3d0 [ 71.137363][ T4329] rfkill_fop_write+0x452/0x560 [ 71.142928][ T4329] vfs_write+0x30b/0xd60 [ 71.147726][ T4329] ksys_write+0x152/0x260 [ 71.152604][ T4329] do_syscall_64+0x4c/0xa0 [ 71.157561][ T4329] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.163999][ T4329] [ 71.163999][ T4329] other info that might help us debug this: [ 71.163999][ T4329] [ 71.174250][ T4329] Chain exists of: [ 71.174250][ T4329] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 71.174250][ T4329] [ 71.190010][ T4329] Possible unsafe locking scenario: [ 71.190010][ T4329] [ 71.197483][ T4329] CPU0 CPU1 [ 71.202872][ T4329] ---- ---- [ 71.208384][ T4329] lock(rfkill_global_mutex); [ 71.213179][ T4329] lock(&data->open_mutex); [ 71.220324][ T4329] lock(rfkill_global_mutex); [ 71.227637][ T4329] lock((work_completion)(&hdev->bg_scan_update)); [ 71.234253][ T4329] [ 71.234253][ T4329] *** DEADLOCK *** [ 71.234253][ T4329] [ 71.242414][ T4329] 1 lock held by syz.0.17/4329: [ 71.247285][ T4329] #0: ffffffff8d6c65a8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x18b/0x560 [ 71.257428][ T4329] [ 71.257428][ T4329] stack backtrace: [ 71.263339][ T4329] CPU: 0 PID: 4329 Comm: syz.0.17 Not tainted syzkaller #0 [ 71.270563][ T4329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 71.280645][ T4329] Call Trace: [ 71.283954][ T4329] [ 71.286908][ T4329] dump_stack_lvl+0x188/0x250 [ 71.291613][ T4329] ? load_image+0x400/0x400 [ 71.296141][ T4329] ? show_regs_print_info+0x20/0x20 [ 71.301375][ T4329] ? print_circular_bug+0x12b/0x1a0 [ 71.306608][ T4329] check_noncircular+0x296/0x330 [ 71.311575][ T4329] ? look_up_lock_class+0x71/0x110 [ 71.316719][ T4329] ? add_chain_block+0x940/0x940 [ 71.321692][ T4329] ? lockdep_lock+0xf1/0x1f0 [ 71.326323][ T4329] ? __lock_acquire+0x12e8/0x7d10 [ 71.331389][ T4329] ? mark_lock+0x94/0x320 [ 71.335750][ T4329] __lock_acquire+0x2c42/0x7d10 [ 71.340683][ T4329] ? verify_lock_unused+0x140/0x140 [ 71.345922][ T4329] ? mark_lock+0x94/0x320 [ 71.350293][ T4329] lock_acquire+0x19e/0x400 [ 71.354828][ T4329] ? __flush_work+0xfa/0x210 [ 71.359451][ T4329] ? __lock_acquire+0x7d10/0x7d10 [ 71.364514][ T4329] ? read_lock_is_recursive+0x10/0x10 [ 71.369925][ T4329] ? start_flush_work+0x776/0x820 [ 71.374984][ T4329] __flush_work+0x116/0x210 [ 71.379514][ T4329] ? __flush_work+0xfa/0x210 [ 71.384139][ T4329] ? flush_work+0x20/0x20 [ 71.388505][ T4329] ? try_to_grab_pending+0xfa/0x7f0 [ 71.393735][ T4329] ? mark_lock+0x94/0x320 [ 71.398096][ T4329] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 71.404111][ T4329] ? lock_chain_count+0x20/0x20 [ 71.408995][ T4329] ? mark_lock+0x94/0x320 [ 71.413395][ T4329] ? __cancel_work_timer+0x36a/0x560 [ 71.418710][ T4329] __cancel_work_timer+0x3f4/0x560 [ 71.423853][ T4329] ? cancel_work_sync+0x20/0x20 [ 71.426884][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.428726][ T4329] ? __cancel_work+0x1f9/0x2e0 [ 71.435042][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.439727][ T4329] ? lockdep_hardirqs_on+0x94/0x140 [ 71.451152][ T4329] ? __cancel_work+0x27b/0x2e0 [ 71.455947][ T4329] ? cancel_work+0x20/0x20 [ 71.460386][ T4329] ? lock_chain_count+0x20/0x20 [ 71.465269][ T4329] hci_request_cancel_all+0xcc/0x300 [ 71.470591][ T4329] hci_dev_do_close+0x4e/0x1030 [ 71.475476][ T4329] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 71.481404][ T4329] ? _raw_spin_unlock+0x40/0x40 [ 71.486293][ T4329] hci_rfkill_set_block+0x10a/0x190 [ 71.491528][ T4329] ? rcu_lock_release+0x20/0x20 [ 71.496415][ T4329] rfkill_set_block+0x1c9/0x3d0 [ 71.501300][ T4329] rfkill_fop_write+0x452/0x560 [ 71.506183][ T4329] ? rfkill_fop_read+0x520/0x520 [ 71.511159][ T4329] ? common_file_perm+0xc0/0x1c0 [ 71.516136][ T4329] ? fsnotify_perm+0x5d/0x560 [ 71.520852][ T4329] ? security_file_permission+0x75/0xa0 [ 71.526437][ T4329] ? rfkill_fop_read+0x520/0x520 [ 71.531412][ T4329] vfs_write+0x30b/0xd60 [ 71.535690][ T4329] ? file_end_write+0x250/0x250 [ 71.540574][ T4329] ? __context_tracking_exit+0x4c/0x80 [ 71.546065][ T4329] ? __lock_acquire+0x7d10/0x7d10 [ 71.551128][ T4329] ? __fdget_pos+0x1e2/0x370 [ 71.555755][ T4329] ksys_write+0x152/0x260 [ 71.560115][ T4329] ? __ia32_sys_read+0x80/0x80 [ 71.564914][ T4329] ? lockdep_hardirqs_on+0x94/0x140 [ 71.570146][ T4329] do_syscall_64+0x4c/0xa0 [ 71.574602][ T4329] ? clear_bhb_loop+0x30/0x80 [ 71.579311][ T4329] ? clear_bhb_loop+0x30/0x80 [ 71.584021][ T4329] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.589954][ T4329] RIP: 0033:0x7fdf0b080e59 [ 71.594412][ T4329] 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 [ 71.614043][ T4329] RSP: 002b:00007ffccb0f3d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.622494][ T4329] RAX: ffffffffffffffda RBX: 00007fdf0b2f9fa0 RCX: 00007fdf0b080e59 [ 71.630496][ T4329] RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003 [ 71.638492][ T4329] RBP: 00007fdf0b116d6f R08: 0000000000000000 R09: 0000000000000000 [ 71.646491][ T4329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.654490][ T4329] R13: 00007fdf0b2f9fac R14: 00007fdf0b2f9fa0 R15: 00007fdf0b2f9fa0 [ 71.662501][ T4329]