Warning: Permanently added '10.128.1.155' (ED25519) to the list of known hosts. 2025/12/31 14:53:20 parsed 1 programs [ 57.765803][ T4188] cgroup: Unknown subsys name 'net' [ 57.897378][ T4188] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 59.385120][ T4188] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 61.662814][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.670785][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.700763][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.727323][ T1444] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.735386][ T1444] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.744463][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.717521][ T4236] chnl_net:caif_netlink_parms(): no params data found [ 62.777856][ T4236] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.786776][ T4236] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.795106][ T4236] device bridge_slave_0 entered promiscuous mode [ 62.805364][ T4236] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.813266][ T4236] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.820934][ T4236] device bridge_slave_1 entered promiscuous mode [ 62.844151][ T4236] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.857403][ T4236] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.882072][ T4236] team0: Port device team_slave_0 added [ 62.889979][ T4236] team0: Port device team_slave_1 added [ 62.915618][ T4236] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.922799][ T4236] 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. [ 62.948741][ T4236] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.961734][ T4236] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.968739][ T4236] 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. [ 62.994838][ T4236] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.031100][ T4236] device hsr_slave_0 entered promiscuous mode [ 63.038067][ T4236] device hsr_slave_1 entered promiscuous mode [ 63.240438][ T4236] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.250322][ T4236] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.258978][ T4236] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.267641][ T4236] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.289421][ T4236] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.296584][ T4236] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.304384][ T4236] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.311427][ T4236] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.350155][ T4236] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.363564][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.372418][ T1444] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.381251][ T1444] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.389366][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 63.401735][ T4236] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.412400][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.421069][ T1444] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.428153][ T1444] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.438772][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.447234][ T1444] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.454311][ T1444] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.471921][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.481115][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.498801][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.508936][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.521132][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.531888][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.637215][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.645978][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.658403][ T4236] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.690790][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.709859][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.719947][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.729411][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.737780][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.764786][ T4236] device veth0_vlan entered promiscuous mode [ 63.777011][ T4236] device veth1_vlan entered promiscuous mode [ 63.793747][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.801766][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.810429][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.819189][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.830597][ T4236] device veth0_macvtap entered promiscuous mode [ 63.841718][ T4236] device veth1_macvtap entered promiscuous mode [ 63.870414][ T4236] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.879049][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.888179][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.896725][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.905206][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.917463][ T4236] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.925818][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.934504][ T1444] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.960825][ T4236] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.969739][ T4236] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.979915][ T4236] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.988771][ T4236] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.101156][ T4236] syz-executor (4236) used greatest stack depth: 20200 bytes left 2025/12/31 14:53:30 executed programs: 0 [ 65.438494][ T4290] chnl_net:caif_netlink_parms(): no params data found [ 65.501481][ T4290] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.510318][ T4290] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.521423][ T4290] device bridge_slave_0 entered promiscuous mode [ 65.530369][ T4290] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.540005][ T4290] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.548270][ T4290] device bridge_slave_1 entered promiscuous mode [ 65.581215][ T4290] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.593317][ T4290] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.624183][ T4290] team0: Port device team_slave_0 added [ 65.633538][ T4290] team0: Port device team_slave_1 added [ 65.658940][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.665998][ T4290] 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. [ 65.692513][ T4290] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.705086][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.712040][ T4290] 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. [ 65.738306][ T4290] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.768155][ T4290] device hsr_slave_0 entered promiscuous mode [ 65.775253][ T4290] device hsr_slave_1 entered promiscuous mode [ 65.781683][ T4290] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.789637][ T4290] Cannot create hsr debugfs directory [ 65.884398][ T4290] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.333191][ T4299] Bluetooth: hci0: command 0x0409 tx timeout [ 69.248100][ T4290] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.296664][ T4290] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.348601][ T4290] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.422347][ T4264] Bluetooth: hci0: command 0x041b tx timeout [ 69.441913][ T4290] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.451666][ T4290] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.460371][ T4290] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.468869][ T4290] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.527684][ T4290] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.538684][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.546801][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.557563][ T4290] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.580392][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.589665][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.598462][ T156] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.605568][ T156] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.615162][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.637931][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.646556][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.657235][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.664342][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.684330][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.693287][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.704025][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.714720][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.723624][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.746867][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.755487][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.764078][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.773110][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.783796][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.792155][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.803598][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.909431][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.917067][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.928595][ T4290] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.958085][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.967154][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.995425][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.003863][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.012660][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.020225][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.029446][ T4290] device veth0_vlan entered promiscuous mode [ 70.040368][ T4290] device veth1_vlan entered promiscuous mode [ 70.056983][ T145] device hsr_slave_0 left promiscuous mode [ 70.064278][ T145] device hsr_slave_1 left promiscuous mode [ 70.071058][ T145] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 70.078872][ T145] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 70.088212][ T145] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 70.095659][ T145] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 70.103710][ T145] device bridge_slave_1 left promiscuous mode [ 70.110529][ T145] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.124503][ T145] device bridge_slave_0 left promiscuous mode [ 70.130668][ T145] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.147012][ T145] device veth1_macvtap left promiscuous mode [ 70.153540][ T145] device veth0_macvtap left promiscuous mode [ 70.159567][ T145] device veth1_vlan left promiscuous mode [ 70.165658][ T145] device veth0_vlan left promiscuous mode [ 70.303456][ T145] team0 (unregistering): Port device team_slave_1 removed [ 70.315820][ T145] team0 (unregistering): Port device team_slave_0 removed [ 70.328115][ T145] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 70.340598][ T145] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 70.389436][ T145] bond0 (unregistering): Released all slaves [ 70.477562][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.485628][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.493699][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.501998][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.512988][ T4290] device veth0_macvtap entered promiscuous mode [ 70.521236][ T4290] device veth1_macvtap entered promiscuous mode [ 70.539164][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.547740][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.556613][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.565283][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.573864][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.585820][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.594898][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.604464][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.616649][ T4290] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.626337][ T4290] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.635059][ T4290] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.644121][ T4290] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.701838][ T4307] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.713915][ T4307] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.728006][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.728647][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.737512][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.766503][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.870004][ T4312] [ 70.872382][ T4312] ====================================================== [ 70.879408][ T4312] WARNING: possible circular locking dependency detected [ 70.886434][ T4312] syzkaller #0 Not tainted [ 70.890856][ T4312] ------------------------------------------------------ [ 70.897880][ T4312] syz.0.17/4312 is trying to acquire lock: [ 70.903696][ T4312] ffff888024ff8c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 70.914770][ T4312] [ 70.914770][ T4312] but task is already holding lock: [ 70.922148][ T4312] ffffffff8d4ba7e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 70.931832][ T4312] [ 70.931832][ T4312] which lock already depends on the new lock. [ 70.931832][ T4312] [ 70.942248][ T4312] [ 70.942248][ T4312] the existing dependency chain (in reverse order) is: [ 70.951270][ T4312] [ 70.951270][ T4312] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 70.959287][ T4312] __mutex_lock_common+0x1eb/0x2390 [ 70.965032][ T4312] mutex_lock_nested+0x17/0x20 [ 70.970342][ T4312] rfkill_register+0x33/0x8a0 [ 70.975559][ T4312] hci_register_dev+0x452/0x970 [ 70.980944][ T4312] vhci_create_device+0x32c/0x5c0 [ 70.986514][ T4312] vhci_write+0x391/0x450 [ 70.991386][ T4312] vfs_write+0x712/0xd00 [ 70.996172][ T4312] ksys_write+0x14d/0x250 [ 71.001042][ T4312] do_syscall_64+0x4c/0xa0 [ 71.005995][ T4312] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.012428][ T4312] [ 71.012428][ T4312] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 71.020268][ T4312] __mutex_lock_common+0x1eb/0x2390 [ 71.026012][ T4312] mutex_lock_nested+0x17/0x20 [ 71.031320][ T4312] vhci_send_frame+0x88/0x100 [ 71.036536][ T4312] hci_send_frame+0x1a9/0x2e0 [ 71.041746][ T4312] hci_tx_work+0x9f9/0x1710 [ 71.046794][ T4312] process_one_work+0x863/0x1000 [ 71.052272][ T4312] worker_thread+0xaa8/0x12a0 [ 71.057486][ T4312] kthread+0x436/0x520 [ 71.062100][ T4312] ret_from_fork+0x1f/0x30 [ 71.067051][ T4312] [ 71.067051][ T4312] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 71.076281][ T4312] __flush_work+0xdd/0x1b0 [ 71.081236][ T4312] hci_dev_do_close+0x1e7/0x1030 [ 71.086711][ T4312] hci_unregister_dev+0x2d7/0x580 [ 71.092271][ T4312] vhci_release+0x73/0xc0 [ 71.097134][ T4312] __fput+0x234/0x930 [ 71.101655][ T4312] task_work_run+0x125/0x1a0 [ 71.106781][ T4312] do_exit+0x61e/0x20a0 [ 71.111476][ T4312] do_group_exit+0x12e/0x300 [ 71.116609][ T4312] get_signal+0x6ca/0x12c0 [ 71.121567][ T4312] arch_do_signal_or_restart+0xc1/0x1300 [ 71.127738][ T4312] exit_to_user_mode_loop+0x9e/0x130 [ 71.133562][ T4312] exit_to_user_mode_prepare+0xee/0x180 [ 71.139645][ T4312] syscall_exit_to_user_mode+0x16/0x40 [ 71.145642][ T4312] do_syscall_64+0x58/0xa0 [ 71.150600][ T4312] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.157036][ T4312] [ 71.157036][ T4312] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 71.164706][ T4312] __mutex_lock_common+0x1eb/0x2390 [ 71.170452][ T4312] mutex_lock_nested+0x17/0x20 [ 71.175761][ T4312] bg_scan_update+0x44/0x3b0 [ 71.180895][ T4312] process_one_work+0x863/0x1000 [ 71.186370][ T4312] worker_thread+0xaa8/0x12a0 [ 71.191589][ T4312] kthread+0x436/0x520 [ 71.196195][ T4312] ret_from_fork+0x1f/0x30 [ 71.201150][ T4312] [ 71.201150][ T4312] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 71.210990][ T4312] __lock_acquire+0x2c33/0x7c60 [ 71.216387][ T4312] lock_acquire+0x197/0x3f0 [ 71.221429][ T4312] __flush_work+0xdd/0x1b0 [ 71.226381][ T4312] __cancel_work_timer+0x3ac/0x520 [ 71.232031][ T4312] hci_request_cancel_all+0xcc/0x300 [ 71.237854][ T4312] hci_dev_do_close+0x4e/0x1030 [ 71.243247][ T4312] hci_rfkill_set_block+0x10a/0x190 [ 71.248982][ T4312] rfkill_set_block+0x1c6/0x420 [ 71.254364][ T4312] rfkill_fop_write+0x458/0x560 [ 71.259756][ T4312] vfs_write+0x300/0xd00 [ 71.264535][ T4312] ksys_write+0x14d/0x250 [ 71.269402][ T4312] do_syscall_64+0x4c/0xa0 [ 71.274357][ T4312] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.280786][ T4312] [ 71.280786][ T4312] other info that might help us debug this: [ 71.280786][ T4312] [ 71.291028][ T4312] Chain exists of: [ 71.291028][ T4312] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 71.291028][ T4312] [ 71.306779][ T4312] Possible unsafe locking scenario: [ 71.306779][ T4312] [ 71.314243][ T4312] CPU0 CPU1 [ 71.319619][ T4312] ---- ---- [ 71.324993][ T4312] lock(rfkill_global_mutex); [ 71.329772][ T4312] lock(&data->open_mutex); [ 71.336895][ T4312] lock(rfkill_global_mutex); [ 71.344194][ T4312] lock((work_completion)(&hdev->bg_scan_update)); [ 71.350797][ T4312] [ 71.350797][ T4312] *** DEADLOCK *** [ 71.350797][ T4312] [ 71.358949][ T4312] 1 lock held by syz.0.17/4312: [ 71.363814][ T4312] #0: ffffffff8d4ba7e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 71.373946][ T4312] [ 71.373946][ T4312] stack backtrace: [ 71.374066][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.379835][ T4312] CPU: 1 PID: 4312 Comm: syz.0.17 Not tainted syzkaller #0 [ 71.386379][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.393259][ T4312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 71.393274][ T4312] Call Trace: [ 71.393280][ T4312] [ 71.393287][ T4312] dump_stack_lvl+0x168/0x230 [ 71.420466][ T4312] ? load_image+0x3b0/0x3b0 [ 71.425002][ T4312] ? show_regs_print_info+0x20/0x20 [ 71.430221][ T4312] ? print_circular_bug+0x12b/0x1a0 [ 71.435437][ T4312] check_noncircular+0x274/0x310 [ 71.440401][ T4312] ? add_chain_block+0x940/0x940 [ 71.445350][ T4312] ? lockdep_lock+0xdc/0x1e0 [ 71.449964][ T4312] ? __lock_acquire+0x12d9/0x7c60 [ 71.455007][ T4312] ? lockdep_lock+0x1e0/0x1e0 [ 71.459703][ T4312] ? mark_lock+0x94/0x320 [ 71.464054][ T4312] ? _find_first_zero_bit+0xce/0xf0 [ 71.469277][ T4312] __lock_acquire+0x2c33/0x7c60 [ 71.474155][ T4312] ? verify_lock_unused+0x140/0x140 [ 71.479377][ T4312] ? verify_lock_unused+0x140/0x140 [ 71.484607][ T4312] lock_acquire+0x197/0x3f0 [ 71.489136][ T4312] ? __flush_work+0xc1/0x1b0 [ 71.493743][ T4312] ? __lock_acquire+0x7c60/0x7c60 [ 71.498793][ T4312] ? read_lock_is_recursive+0x10/0x10 [ 71.504182][ T4312] ? start_flush_work+0x776/0x820 [ 71.509227][ T4312] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 71.515138][ T4312] ? _raw_spin_unlock+0x40/0x40 [ 71.520012][ T4312] __flush_work+0xdd/0x1b0 [ 71.524451][ T4312] ? __flush_work+0xc1/0x1b0 [ 71.524982][ T4299] Bluetooth: hci0: command 0x040f tx timeout [ 71.529056][ T4312] ? flush_work+0x20/0x20 [ 71.539354][ T4312] ? try_to_grab_pending+0xf3/0x7e0 [ 71.544569][ T4312] ? lockdep_hardirqs_off+0x70/0x100 [ 71.549879][ T4312] ? mark_lock+0x94/0x320 [ 71.554237][ T4312] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 71.560242][ T4312] ? lock_chain_count+0x20/0x20 [ 71.565109][ T4312] ? mark_lock+0x94/0x320 [ 71.569460][ T4312] ? __cancel_work_timer+0x331/0x520 [ 71.574761][ T4312] __cancel_work_timer+0x3ac/0x520 [ 71.579897][ T4312] ? cancel_work_sync+0x20/0x20 [ 71.584767][ T4312] ? __cancel_work+0x1f4/0x2d0 [ 71.589554][ T4312] ? lockdep_hardirqs_on+0x94/0x140 [ 71.594777][ T4312] ? __cancel_work+0x26f/0x2d0 [ 71.599558][ T4312] ? cancel_work+0x20/0x20 [ 71.603990][ T4312] ? lock_chain_count+0x20/0x20 [ 71.608864][ T4312] hci_request_cancel_all+0xcc/0x300 [ 71.614178][ T4312] hci_dev_do_close+0x4e/0x1030 [ 71.619055][ T4312] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 71.624972][ T4312] ? _raw_spin_unlock+0x40/0x40 [ 71.629850][ T4312] hci_rfkill_set_block+0x10a/0x190 [ 71.635068][ T4312] ? rcu_lock_release+0x20/0x20 [ 71.639938][ T4312] rfkill_set_block+0x1c6/0x420 [ 71.644815][ T4312] rfkill_fop_write+0x458/0x560 [ 71.649682][ T4312] ? verify_lock_unused+0x140/0x140 [ 71.654898][ T4312] ? rfkill_fop_read+0x4b0/0x4b0 [ 71.659850][ T4312] ? common_file_perm+0xc0/0x1c0 [ 71.664806][ T4312] ? fsnotify_perm+0x5d/0x560 [ 71.669505][ T4312] ? security_file_permission+0x75/0xa0 [ 71.675067][ T4312] ? rfkill_fop_read+0x4b0/0x4b0 [ 71.680027][ T4312] vfs_write+0x300/0xd00 [ 71.684291][ T4312] ? file_end_write+0x250/0x250 [ 71.689152][ T4312] ? __context_tracking_exit+0x4c/0x80 [ 71.694634][ T4312] ? __lock_acquire+0x7c60/0x7c60 [ 71.699686][ T4312] ? __fdget_pos+0x1e2/0x370 [ 71.704290][ T4312] ksys_write+0x14d/0x250 [ 71.708638][ T4312] ? __ia32_sys_read+0x80/0x80 [ 71.713419][ T4312] ? lockdep_hardirqs_on+0x94/0x140 [ 71.718642][ T4312] do_syscall_64+0x4c/0xa0 [ 71.723075][ T4312] ? clear_bhb_loop+0x30/0x80 [ 71.727773][ T4312] ? clear_bhb_loop+0x30/0x80 [ 71.732470][ T4312] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.738378][ T4312] RIP: 0033:0x7f621e058749 [ 71.742809][ T4312] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 71.762429][ T4312] RSP: 002b:00007ffc6dcd36d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.770868][ T4312] RAX: ffffffffffffffda RBX: 00007f621e2aefa0 RCX: 00007f621e058749 [ 71.778859][ T4312] RDX: 0000000000000008 RSI: 0000200000000000 RDI: 0000000000000003 [ 71.786851][ T4312] RBP: 00007f621e0dcf91 R08: 0000000000000000 R09: 0000000000000000 [ 71.794843][ T4312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.802833][ T4312] R13: 00007f621e2aefa0 R14: 00007f621e2aefa0 R15: 0000000000000003 [ 71.810832][ T4312]