Warning: Permanently added '10.128.0.45' (ED25519) to the list of known hosts. 2025/08/09 14:04:56 ignoring optional flag "sandboxArg"="0" 2025/08/09 14:04:57 parsed 1 programs [ 54.724825][ T4188] cgroup: Unknown subsys name 'net' [ 54.868464][ T4188] cgroup: Unknown subsys name 'rlimit' [ 56.044060][ T4188] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 57.885958][ T4220] syz-executor (4220) used greatest stack depth: 21088 bytes left [ 58.142064][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.163547][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.184883][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.200829][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.209572][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.220235][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.108195][ T4246] chnl_net:caif_netlink_parms(): no params data found [ 59.176777][ T4246] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.184592][ T4246] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.192814][ T4246] device bridge_slave_0 entered promiscuous mode [ 59.201864][ T4246] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.209058][ T4246] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.217727][ T4246] device bridge_slave_1 entered promiscuous mode [ 59.237340][ T4246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.248069][ T4246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.272549][ T4246] team0: Port device team_slave_0 added [ 59.282789][ T4246] team0: Port device team_slave_1 added [ 59.321719][ T4246] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.328914][ T4246] 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. [ 59.357091][ T4246] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.376703][ T4246] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.384207][ T4246] 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. [ 59.410962][ T4246] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.497381][ T4246] device hsr_slave_0 entered promiscuous mode [ 59.509132][ T4246] device hsr_slave_1 entered promiscuous mode [ 59.583626][ T4246] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.593055][ T4246] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.602182][ T4246] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.610798][ T4246] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.632088][ T4246] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.639324][ T4246] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.647129][ T4246] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.654226][ T4246] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.687975][ T4246] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.701404][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.711296][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.720083][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.727909][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.739784][ T4246] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.749976][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.759163][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.766359][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.786097][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.794864][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.801933][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.812008][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.821974][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.833912][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.850189][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.858499][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.868838][ T4246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.959308][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.968030][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.997898][ T4246] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.013865][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.037612][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.046921][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.055280][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.080233][ T4246] device veth0_vlan entered promiscuous mode [ 60.089897][ T4246] device veth1_vlan entered promiscuous mode [ 60.107029][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.116810][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.126841][ T4246] device veth0_macvtap entered promiscuous mode [ 60.137890][ T4246] device veth1_macvtap entered promiscuous mode [ 60.175109][ T4246] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.182564][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.190854][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.198994][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.207702][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.235243][ T4246] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.244465][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.253146][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.264971][ T4246] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.274359][ T4246] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.283141][ T4246] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.292328][ T4246] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.428727][ T4246] syz-executor (4246) used greatest stack depth: 20800 bytes left 2025/08/09 14:05:04 executed programs: 0 [ 61.583244][ T4300] chnl_net:caif_netlink_parms(): no params data found [ 61.650197][ T4300] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.659998][ T4300] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.669881][ T4300] device bridge_slave_0 entered promiscuous mode [ 61.680196][ T4300] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.689019][ T4300] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.698930][ T4300] device bridge_slave_1 entered promiscuous mode [ 61.729319][ T4300] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.742650][ T4300] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.776930][ T4300] team0: Port device team_slave_0 added [ 61.789607][ T4300] team0: Port device team_slave_1 added [ 61.817317][ T4300] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.824381][ T4300] 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. [ 61.853751][ T4300] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.871106][ T4300] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.879202][ T4300] 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. [ 61.908116][ T4300] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.950903][ T4300] device hsr_slave_0 entered promiscuous mode [ 61.960351][ T4300] device hsr_slave_1 entered promiscuous mode [ 61.967434][ T4300] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.978278][ T4300] Cannot create hsr debugfs directory [ 62.077243][ T4300] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.514538][ T4269] Bluetooth: hci0: command 0x0409 tx timeout [ 65.130316][ T4300] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.361542][ T4300] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.429781][ T4300] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.526377][ T4300] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.545855][ T4300] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.554512][ T4300] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.562743][ T4300] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.594224][ T4267] Bluetooth: hci0: command 0x041b tx timeout [ 65.621677][ T4300] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.633024][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.641443][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.660988][ T4300] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.671185][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.680294][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.689399][ T4245] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.696501][ T4245] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.706089][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.716287][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.725457][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.734154][ T4245] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.741223][ T4245] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.765510][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.777422][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.788628][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.797930][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.807610][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.829133][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.839204][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.849769][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.858504][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.876528][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.885873][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.896696][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.930862][ T144] device hsr_slave_0 left promiscuous mode [ 65.939549][ T144] device hsr_slave_1 left promiscuous mode [ 65.947077][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 65.955105][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 65.963393][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 65.971036][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 65.979093][ T144] device bridge_slave_1 left promiscuous mode [ 65.986353][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.998745][ T144] device bridge_slave_0 left promiscuous mode [ 66.005260][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.022828][ T144] device veth1_macvtap left promiscuous mode [ 66.030130][ T144] device veth0_macvtap left promiscuous mode [ 66.037225][ T144] device veth1_vlan left promiscuous mode [ 66.043182][ T144] device veth0_vlan left promiscuous mode [ 66.156452][ T144] team0 (unregistering): Port device team_slave_1 removed [ 66.170702][ T144] team0 (unregistering): Port device team_slave_0 removed [ 66.185714][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 66.199959][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 66.246113][ T144] bond0 (unregistering): Released all slaves [ 66.339178][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.347762][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.360613][ T4300] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.384927][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.400491][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.423025][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.431786][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.441140][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.449008][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.457858][ T4300] device veth0_vlan entered promiscuous mode [ 66.472688][ T4300] device veth1_vlan entered promiscuous mode [ 66.491928][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.500627][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.509159][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.518210][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.528940][ T4300] device veth0_macvtap entered promiscuous mode [ 66.540397][ T4300] device veth1_macvtap entered promiscuous mode [ 66.558260][ T4300] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.567035][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.575783][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.583594][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.592250][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.603502][ T4300] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.611578][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.620593][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.637772][ T4300] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.646891][ T4300] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.656021][ T4300] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.665823][ T4300] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.738257][ T4245] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.752459][ T4245] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.771245][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.788396][ T534] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.797479][ T534] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.809841][ T4245] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.865931][ T4318] input: syz0 as /devices/virtual/input/input5 [ 66.996396][ T7] [ 66.998773][ T7] ====================================================== [ 67.005960][ T7] WARNING: possible circular locking dependency detected [ 67.012991][ T7] 5.15.189-syzkaller #0 Not tainted [ 67.018194][ T7] ------------------------------------------------------ [ 67.025212][ T7] kworker/0:0/7 is trying to acquire lock: [ 67.031135][ T7] ffff8880225a0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 67.042572][ T7] [ 67.042572][ T7] but task is already holding lock: [ 67.049937][ T7] ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 [ 67.059092][ T7] [ 67.059092][ T7] which lock already depends on the new lock. [ 67.059092][ T7] [ 67.069752][ T7] [ 67.069752][ T7] the existing dependency chain (in reverse order) is: [ 67.078789][ T7] [ 67.078789][ T7] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.086809][ T7] __mutex_lock_common+0x1eb/0x2390 [ 67.092653][ T7] mutex_lock_nested+0x17/0x20 [ 67.098186][ T7] rfkill_register+0x33/0x8a0 [ 67.103396][ T7] hci_register_dev+0x452/0x970 [ 67.108902][ T7] vhci_create_device+0x32c/0x5c0 [ 67.114481][ T7] vhci_write+0x391/0x450 [ 67.119339][ T7] vfs_write+0x712/0xd00 [ 67.124104][ T7] ksys_write+0x14d/0x250 [ 67.128976][ T7] do_syscall_64+0x4c/0xa0 [ 67.134011][ T7] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.140442][ T7] [ 67.140442][ T7] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.148360][ T7] __mutex_lock_common+0x1eb/0x2390 [ 67.154096][ T7] mutex_lock_nested+0x17/0x20 [ 67.159482][ T7] vhci_send_frame+0x88/0x100 [ 67.165128][ T7] hci_send_frame+0x1a9/0x2e0 [ 67.170430][ T7] hci_tx_work+0x9f9/0x1710 [ 67.175472][ T7] process_one_work+0x863/0x1000 [ 67.181049][ T7] worker_thread+0xaa8/0x12a0 [ 67.186601][ T7] kthread+0x436/0x520 [ 67.191327][ T7] ret_from_fork+0x1f/0x30 [ 67.196280][ T7] [ 67.196280][ T7] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.205508][ T7] __flush_work+0xdd/0x1b0 [ 67.210553][ T7] hci_dev_do_close+0x1e7/0x1030 [ 67.216203][ T7] hci_unregister_dev+0x2d7/0x580 [ 67.221957][ T7] vhci_release+0x73/0xc0 [ 67.226837][ T7] __fput+0x234/0x930 [ 67.231448][ T7] task_work_run+0x125/0x1a0 [ 67.236662][ T7] do_exit+0x61e/0x20a0 [ 67.241352][ T7] do_group_exit+0x12e/0x300 [ 67.246557][ T7] get_signal+0x6ca/0x12c0 [ 67.251597][ T7] arch_do_signal_or_restart+0xc1/0x1300 [ 67.257764][ T7] exit_to_user_mode_loop+0x9e/0x130 [ 67.263912][ T7] exit_to_user_mode_prepare+0xb1/0x140 [ 67.270008][ T7] syscall_exit_to_user_mode+0x16/0x40 [ 67.276009][ T7] do_syscall_64+0x58/0xa0 [ 67.280974][ T7] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.287432][ T7] [ 67.287432][ T7] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.295084][ T7] __mutex_lock_common+0x1eb/0x2390 [ 67.300922][ T7] mutex_lock_nested+0x17/0x20 [ 67.306228][ T7] bg_scan_update+0x44/0x3b0 [ 67.311498][ T7] process_one_work+0x863/0x1000 [ 67.317088][ T7] worker_thread+0xaa8/0x12a0 [ 67.322310][ T7] kthread+0x436/0x520 [ 67.326970][ T7] ret_from_fork+0x1f/0x30 [ 67.332025][ T7] [ 67.332025][ T7] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 67.341938][ T7] __lock_acquire+0x2c33/0x7c60 [ 67.347318][ T7] lock_acquire+0x197/0x3f0 [ 67.352421][ T7] __flush_work+0xdd/0x1b0 [ 67.357348][ T7] __cancel_work_timer+0x3ac/0x520 [ 67.362972][ T7] hci_request_cancel_all+0xcc/0x300 [ 67.368776][ T7] hci_dev_do_close+0x4e/0x1030 [ 67.374143][ T7] hci_rfkill_set_block+0x10a/0x190 [ 67.379854][ T7] rfkill_set_block+0x1c6/0x420 [ 67.385269][ T7] rfkill_epo+0x75/0x170 [ 67.390023][ T7] rfkill_op_handler+0x76/0x220 [ 67.395570][ T7] process_one_work+0x863/0x1000 [ 67.401113][ T7] worker_thread+0xaa8/0x12a0 [ 67.406312][ T7] kthread+0x436/0x520 [ 67.410895][ T7] ret_from_fork+0x1f/0x30 [ 67.415913][ T7] [ 67.415913][ T7] other info that might help us debug this: [ 67.415913][ T7] [ 67.426216][ T7] Chain exists of: [ 67.426216][ T7] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.426216][ T7] [ 67.442017][ T7] Possible unsafe locking scenario: [ 67.442017][ T7] [ 67.449453][ T7] CPU0 CPU1 [ 67.454811][ T7] ---- ---- [ 67.460166][ T7] lock(rfkill_global_mutex); [ 67.464919][ T7] lock(&data->open_mutex); [ 67.472203][ T7] lock(rfkill_global_mutex); [ 67.479475][ T7] lock((work_completion)(&hdev->bg_scan_update)); [ 67.486145][ T7] [ 67.486145][ T7] *** DEADLOCK *** [ 67.486145][ T7] [ 67.494394][ T7] 3 locks held by kworker/0:0/7: [ 67.499316][ T7] #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 67.509658][ T7] #1: ffffc90000cc7d00 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 67.520010][ T7] #2: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 [ 67.529488][ T7] [ 67.529488][ T7] stack backtrace: [ 67.535367][ T7] CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 5.15.189-syzkaller #0 [ 67.543686][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 67.553734][ T7] Workqueue: events rfkill_op_handler [ 67.559192][ T7] Call Trace: [ 67.562466][ T7] [ 67.565396][ T7] dump_stack_lvl+0x168/0x230 [ 67.570069][ T7] ? load_image+0x3b0/0x3b0 [ 67.574562][ T7] ? show_regs_print_info+0x20/0x20 [ 67.579843][ T7] ? print_circular_bug+0x12b/0x1a0 [ 67.585040][ T7] check_noncircular+0x274/0x310 [ 67.589976][ T7] ? add_chain_block+0x940/0x940 [ 67.594904][ T7] ? lockdep_lock+0xdc/0x1e0 [ 67.599495][ T7] ? __lock_acquire+0x12d9/0x7c60 [ 67.604522][ T7] ? lockdep_lock+0x1e0/0x1e0 [ 67.609568][ T7] ? mark_lock+0x94/0x320 [ 67.613905][ T7] __lock_acquire+0x2c33/0x7c60 [ 67.618937][ T7] ? verify_lock_unused+0x140/0x140 [ 67.624131][ T7] ? verify_lock_unused+0x140/0x140 [ 67.629340][ T7] ? ret_from_fork+0x1e/0x30 [ 67.633948][ T7] lock_acquire+0x197/0x3f0 [ 67.638541][ T7] ? __flush_work+0xc1/0x1b0 [ 67.643126][ T7] ? __lock_acquire+0x7c60/0x7c60 [ 67.648348][ T7] ? read_lock_is_recursive+0x10/0x10 [ 67.653830][ T7] ? start_flush_work+0x776/0x820 [ 67.658852][ T7] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 67.664743][ T7] __flush_work+0xdd/0x1b0 [ 67.669156][ T7] ? __flush_work+0xc1/0x1b0 [ 67.673735][ T7] ? flush_work+0x20/0x20 [ 67.678058][ T7] ? try_to_grab_pending+0xf3/0x7e0 [ 67.683250][ T7] ? lockdep_hardirqs_off+0x70/0x100 [ 67.688529][ T7] ? mark_lock+0x94/0x320 [ 67.692939][ T7] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 67.698913][ T7] ? lock_chain_count+0x20/0x20 [ 67.703766][ T7] ? lockdep_hardirqs_off+0x70/0x100 [ 67.709046][ T7] ? mark_lock+0x94/0x320 [ 67.713368][ T7] ? __cancel_work_timer+0x331/0x520 [ 67.718646][ T7] __cancel_work_timer+0x3ac/0x520 [ 67.723752][ T7] ? cancel_work_sync+0x20/0x20 [ 67.728616][ T7] ? __cancel_work+0x1f4/0x2d0 [ 67.733554][ T7] ? lockdep_hardirqs_on+0x94/0x140 [ 67.738843][ T7] ? __cancel_work+0x26f/0x2d0 [ 67.743871][ T7] ? cancel_work+0x20/0x20 [ 67.748377][ T7] hci_request_cancel_all+0xcc/0x300 [ 67.753661][ T7] hci_dev_do_close+0x4e/0x1030 [ 67.758539][ T7] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 67.764452][ T7] ? _raw_spin_unlock+0x40/0x40 [ 67.769299][ T7] ? kobject_uevent_env+0x371/0x890 [ 67.774584][ T7] hci_rfkill_set_block+0x10a/0x190 [ 67.779820][ T7] ? rcu_lock_release+0x20/0x20 [ 67.784906][ T7] rfkill_set_block+0x1c6/0x420 [ 67.789764][ T7] rfkill_epo+0x75/0x170 [ 67.794178][ T7] rfkill_op_handler+0x76/0x220 [ 67.799124][ T7] process_one_work+0x863/0x1000 [ 67.804058][ T7] ? worker_detach_from_pool+0x240/0x240 [ 67.809683][ T7] ? lockdep_hardirqs_off+0x70/0x100 [ 67.814974][ T7] ? _raw_spin_lock_irq+0xab/0xe0 [ 67.820084][ T7] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 67.825450][ T7] ? wq_worker_running+0x97/0x170 [ 67.830467][ T7] worker_thread+0xaa8/0x12a0 [ 67.835146][ T7] kthread+0x436/0x520 [ 67.839379][ T7] ? rcu_lock_release+0x20/0x20 [ 67.844252][ T7] ? kthread_blkcg+0xd0/0xd0 [ 67.848832][ T7] ret_from_fork+0x1f/0x30 [ 67.853247][ T7]