Warning: Permanently added '10.128.0.226' (ED25519) to the list of known hosts. 2025/08/17 20:44:52 ignoring optional flag "sandboxArg"="0" 2025/08/17 20:44:53 parsed 1 programs [ 62.134480][ T4189] cgroup: Unknown subsys name 'net' [ 62.274728][ T4189] cgroup: Unknown subsys name 'rlimit' [ 63.778826][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 67.110414][ T4236] chnl_net:caif_netlink_parms(): no params data found [ 67.164906][ T4236] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.172562][ T4236] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.180740][ T4236] device bridge_slave_0 entered promiscuous mode [ 67.191023][ T4236] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.198422][ T4236] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.206625][ T4236] device bridge_slave_1 entered promiscuous mode [ 67.244787][ T4236] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.256229][ T4236] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.369871][ T4236] team0: Port device team_slave_0 added [ 67.382821][ T4236] team0: Port device team_slave_1 added [ 67.404780][ T4236] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.411933][ 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. [ 67.438113][ T4236] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.450712][ T4236] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.457911][ 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. [ 67.484012][ T4236] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.516514][ T4236] device hsr_slave_0 entered promiscuous mode [ 67.523752][ T4236] device hsr_slave_1 entered promiscuous mode [ 67.634855][ T4236] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.645623][ T4236] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.655775][ T4236] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.665506][ T4236] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.713613][ T4236] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.720942][ T4236] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.729038][ T4236] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.736105][ T4236] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.798371][ T4236] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.814370][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.824727][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.833898][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.864354][ T4236] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.876531][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.885529][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.892686][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.924387][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.934196][ T805] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.941338][ T805] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.953097][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.965197][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.974870][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.984054][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.996230][ T1431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.005713][ T1431] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.038690][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.047242][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.061081][ T4236] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.072307][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.080965][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.090716][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.210780][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.219390][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.246085][ T4236] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.262713][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.271785][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.311423][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.321082][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.329955][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.338332][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.349384][ T4236] device veth0_vlan entered promiscuous mode [ 68.363984][ T4236] device veth1_vlan entered promiscuous mode [ 68.386365][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.394641][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.403781][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.413150][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.425619][ T4236] device veth0_macvtap entered promiscuous mode [ 68.436492][ T4236] device veth1_macvtap entered promiscuous mode [ 68.456168][ T4236] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.465267][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.473832][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.482453][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.492109][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.508056][ T4236] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.520223][ T4236] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.529359][ T4236] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.539565][ T4236] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.548955][ T4236] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.560584][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.570123][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.204567][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.226685][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.255670][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.275959][ T805] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.285921][ T805] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.296520][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/08/17 20:45:03 executed programs: 0 [ 69.931397][ T154] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.004786][ T4295] chnl_net:caif_netlink_parms(): no params data found [ 70.053068][ T4295] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.060387][ T4295] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.068738][ T4295] device bridge_slave_0 entered promiscuous mode [ 70.076748][ T4295] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.084048][ T4295] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.092005][ T4295] device bridge_slave_1 entered promiscuous mode [ 70.118319][ T4295] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.130630][ T4295] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.154154][ T4295] team0: Port device team_slave_0 added [ 70.162459][ T4295] team0: Port device team_slave_1 added [ 70.181724][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.189335][ T4295] 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. [ 70.215409][ T4295] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.228081][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.235057][ T4295] 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. [ 70.261406][ T4295] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.292685][ T4295] device hsr_slave_0 entered promiscuous mode [ 70.299536][ T4295] device hsr_slave_1 entered promiscuous mode [ 70.306469][ T4295] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.315089][ T4295] Cannot create hsr debugfs directory [ 71.302318][ T1427] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.308946][ T1427] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.938662][ T4254] Bluetooth: hci0: command 0x0409 tx timeout [ 72.674888][ T154] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.195264][ T154] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.265568][ T154] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.017924][ T4254] Bluetooth: hci0: command 0x041b tx timeout [ 74.066297][ T4295] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.075755][ T4295] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.084951][ T4295] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.094879][ T4295] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.169299][ T4295] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.183516][ T1431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.191967][ T1431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.220585][ T4295] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.231185][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.239887][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.249264][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.256350][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.269237][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.277397][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.286283][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.295889][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.303010][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.330907][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.342815][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.354373][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.365264][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.375155][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.401912][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.410818][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.428184][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.437977][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.446417][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.455402][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.466564][ T4295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.580529][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.589453][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.603962][ T4295] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.644060][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.654219][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.675560][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.685938][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.701133][ T4295] device veth0_vlan entered promiscuous mode [ 74.719535][ T154] device hsr_slave_0 left promiscuous mode [ 74.727001][ T154] device hsr_slave_1 left promiscuous mode [ 74.734540][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 74.742256][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 74.752744][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 74.760553][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 74.770852][ T154] device bridge_slave_1 left promiscuous mode [ 74.778121][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.796364][ T154] device bridge_slave_0 left promiscuous mode [ 74.802791][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.826379][ T154] device veth1_macvtap left promiscuous mode [ 74.832983][ T154] device veth0_macvtap left promiscuous mode [ 74.839925][ T154] device veth1_vlan left promiscuous mode [ 74.846071][ T154] device veth0_vlan left promiscuous mode [ 75.122429][ T154] team0 (unregistering): Port device team_slave_1 removed [ 75.135635][ T154] team0 (unregistering): Port device team_slave_0 removed [ 75.149693][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 75.166980][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 75.225408][ T154] bond0 (unregistering): Released all slaves [ 75.304403][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.312288][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.324703][ T4295] device veth1_vlan entered promiscuous mode [ 75.345928][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.355839][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.366731][ T4295] device veth0_macvtap entered promiscuous mode [ 75.379338][ T4295] device veth1_macvtap entered promiscuous mode [ 75.397090][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.405489][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.415145][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.425847][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.435015][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.446004][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.455957][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.465468][ T805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.481539][ T4295] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.490809][ T4295] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.499655][ T4295] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.508407][ T4295] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.583137][ T4355] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.601808][ T4355] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.632616][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.640927][ T805] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.649545][ T805] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.660002][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.785505][ T4356] [ 75.787890][ T4356] ====================================================== [ 75.794929][ T4356] WARNING: possible circular locking dependency detected [ 75.801981][ T4356] 5.15.189-syzkaller #0 Not tainted [ 75.807198][ T4356] ------------------------------------------------------ [ 75.814232][ T4356] syz.0.17/4356 is trying to acquire lock: [ 75.820046][ T4356] ffff8880787ecc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 75.831216][ T4356] [ 75.831216][ T4356] but task is already holding lock: [ 75.838592][ T4356] ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 75.848272][ T4356] [ 75.848272][ T4356] which lock already depends on the new lock. [ 75.848272][ T4356] [ 75.858681][ T4356] [ 75.858681][ T4356] the existing dependency chain (in reverse order) is: [ 75.867820][ T4356] [ 75.867820][ T4356] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 75.875846][ T4356] __mutex_lock_common+0x1eb/0x2390 [ 75.881600][ T4356] mutex_lock_nested+0x17/0x20 [ 75.886905][ T4356] rfkill_register+0x33/0x8a0 [ 75.892125][ T4356] hci_register_dev+0x452/0x970 [ 75.897559][ T4356] vhci_create_device+0x32c/0x5c0 [ 75.903133][ T4356] vhci_write+0x391/0x450 [ 75.908006][ T4356] vfs_write+0x712/0xd00 [ 75.912784][ T4356] ksys_write+0x14d/0x250 [ 75.917644][ T4356] do_syscall_64+0x4c/0xa0 [ 75.922732][ T4356] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.929189][ T4356] [ 75.929189][ T4356] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 75.937035][ T4356] __mutex_lock_common+0x1eb/0x2390 [ 75.942787][ T4356] mutex_lock_nested+0x17/0x20 [ 75.948110][ T4356] vhci_send_frame+0x88/0x100 [ 75.953338][ T4356] hci_send_frame+0x1a9/0x2e0 [ 75.958682][ T4356] hci_tx_work+0x9f9/0x1710 [ 75.963759][ T4356] process_one_work+0x863/0x1000 [ 75.969252][ T4356] worker_thread+0xaa8/0x12a0 [ 75.974472][ T4356] kthread+0x436/0x520 [ 75.979081][ T4356] ret_from_fork+0x1f/0x30 [ 75.984034][ T4356] [ 75.984034][ T4356] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 75.993271][ T4356] __flush_work+0xdd/0x1b0 [ 75.998242][ T4356] hci_dev_do_close+0x1e7/0x1030 [ 76.003729][ T4356] hci_unregister_dev+0x2d7/0x580 [ 76.009389][ T4356] vhci_release+0x73/0xc0 [ 76.014261][ T4356] __fput+0x234/0x930 [ 76.018783][ T4356] task_work_run+0x125/0x1a0 [ 76.023924][ T4356] do_exit+0x61e/0x20a0 [ 76.028726][ T4356] do_group_exit+0x12e/0x300 [ 76.033879][ T4356] get_signal+0x6ca/0x12c0 [ 76.038880][ T4356] arch_do_signal_or_restart+0xc1/0x1300 [ 76.045091][ T4356] exit_to_user_mode_loop+0x9e/0x130 [ 76.050936][ T4356] exit_to_user_mode_prepare+0xb1/0x140 [ 76.057033][ T4356] syscall_exit_to_user_mode+0x16/0x40 [ 76.063043][ T4356] do_syscall_64+0x58/0xa0 [ 76.068013][ T4356] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.074478][ T4356] [ 76.074478][ T4356] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 76.082145][ T4356] __mutex_lock_common+0x1eb/0x2390 [ 76.087883][ T4356] mutex_lock_nested+0x17/0x20 [ 76.093190][ T4356] bg_scan_update+0x44/0x3b0 [ 76.098469][ T4356] process_one_work+0x863/0x1000 [ 76.103971][ T4356] worker_thread+0xaa8/0x12a0 [ 76.109197][ T4356] kthread+0x436/0x520 [ 76.113805][ T4356] ret_from_fork+0x1f/0x30 [ 76.118756][ T4356] [ 76.118756][ T4356] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 76.128591][ T4356] __lock_acquire+0x2c33/0x7c60 [ 76.133980][ T4356] lock_acquire+0x197/0x3f0 [ 76.139140][ T4356] __flush_work+0xdd/0x1b0 [ 76.144091][ T4356] __cancel_work_timer+0x3ac/0x520 [ 76.149758][ T4356] hci_request_cancel_all+0xcc/0x300 [ 76.155576][ T4356] hci_dev_do_close+0x4e/0x1030 [ 76.160949][ T4356] hci_rfkill_set_block+0x10a/0x190 [ 76.166669][ T4356] rfkill_set_block+0x1c6/0x420 [ 76.172048][ T4356] rfkill_fop_write+0x458/0x560 [ 76.177441][ T4356] vfs_write+0x300/0xd00 [ 76.182223][ T4356] ksys_write+0x14d/0x250 [ 76.187099][ T4356] do_syscall_64+0x4c/0xa0 [ 76.192049][ T4356] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.198477][ T4356] [ 76.198477][ T4356] other info that might help us debug this: [ 76.198477][ T4356] [ 76.208701][ T4356] Chain exists of: [ 76.208701][ T4356] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 76.208701][ T4356] [ 76.224522][ T4356] Possible unsafe locking scenario: [ 76.224522][ T4356] [ 76.232043][ T4356] CPU0 CPU1 [ 76.237418][ T4356] ---- ---- [ 76.242787][ T4356] lock(rfkill_global_mutex); [ 76.247644][ T4356] lock(&data->open_mutex); [ 76.254757][ T4356] lock(rfkill_global_mutex); [ 76.262039][ T4356] lock((work_completion)(&hdev->bg_scan_update)); [ 76.268733][ T4356] [ 76.268733][ T4356] *** DEADLOCK *** [ 76.268733][ T4356] [ 76.276877][ T4356] 1 lock held by syz.0.17/4356: [ 76.281749][ T4356] #0: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 76.291939][ T4356] [ 76.291939][ T4356] stack backtrace: [ 76.297860][ T4356] CPU: 0 PID: 4356 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 76.305844][ T4356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 76.315914][ T4356] Call Trace: [ 76.319200][ T4356] [ 76.322130][ T4356] dump_stack_lvl+0x168/0x230 [ 76.326821][ T4356] ? load_image+0x3b0/0x3b0 [ 76.331326][ T4356] ? show_regs_print_info+0x20/0x20 [ 76.336532][ T4356] ? print_circular_bug+0x12b/0x1a0 [ 76.341738][ T4356] check_noncircular+0x274/0x310 [ 76.346675][ T4356] ? add_chain_block+0x940/0x940 [ 76.351618][ T4356] ? lockdep_lock+0xdc/0x1e0 [ 76.356244][ T4356] ? __lock_acquire+0x12d9/0x7c60 [ 76.361359][ T4356] ? lockdep_lock+0x1e0/0x1e0 [ 76.366040][ T4356] ? mark_lock+0x94/0x320 [ 76.370374][ T4356] __lock_acquire+0x2c33/0x7c60 [ 76.375246][ T4356] ? verify_lock_unused+0x140/0x140 [ 76.380458][ T4356] ? verify_lock_unused+0x140/0x140 [ 76.385934][ T4356] lock_acquire+0x197/0x3f0 [ 76.390441][ T4356] ? __flush_work+0xc1/0x1b0 [ 76.395031][ T4356] ? __lock_acquire+0x7c60/0x7c60 [ 76.400059][ T4356] ? read_lock_is_recursive+0x10/0x10 [ 76.405436][ T4356] ? start_flush_work+0x776/0x820 [ 76.410469][ T4356] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 76.416388][ T4356] ? _raw_spin_unlock+0x40/0x40 [ 76.421265][ T4356] __flush_work+0xdd/0x1b0 [ 76.425725][ T4356] ? __flush_work+0xc1/0x1b0 [ 76.430338][ T4356] ? flush_work+0x20/0x20 [ 76.434711][ T4356] ? try_to_grab_pending+0xf3/0x7e0 [ 76.439915][ T4356] ? lockdep_hardirqs_off+0x70/0x100 [ 76.445210][ T4356] ? mark_lock+0x94/0x320 [ 76.449553][ T4356] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 76.455542][ T4356] ? lock_chain_count+0x20/0x20 [ 76.460397][ T4356] ? mark_lock+0x94/0x320 [ 76.464732][ T4356] ? __cancel_work_timer+0x331/0x520 [ 76.470022][ T4356] __cancel_work_timer+0x3ac/0x520 [ 76.475161][ T4356] ? cancel_work_sync+0x20/0x20 [ 76.480013][ T4356] ? __cancel_work+0x1f4/0x2d0 [ 76.484783][ T4356] ? lockdep_hardirqs_on+0x94/0x140 [ 76.489989][ T4356] ? __cancel_work+0x26f/0x2d0 [ 76.494760][ T4356] ? cancel_work+0x20/0x20 [ 76.499182][ T4356] ? lock_chain_count+0x20/0x20 [ 76.504038][ T4356] hci_request_cancel_all+0xcc/0x300 [ 76.509328][ T4356] hci_dev_do_close+0x4e/0x1030 [ 76.514185][ T4356] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 76.520094][ T4356] ? _raw_spin_unlock+0x40/0x40 [ 76.524955][ T4356] hci_rfkill_set_block+0x10a/0x190 [ 76.530180][ T4356] ? rcu_lock_release+0x20/0x20 [ 76.535039][ T4356] rfkill_set_block+0x1c6/0x420 [ 76.539908][ T4356] rfkill_fop_write+0x458/0x560 [ 76.544793][ T4356] ? verify_lock_unused+0x140/0x140 [ 76.550013][ T4356] ? rfkill_fop_read+0x4b0/0x4b0 [ 76.554965][ T4356] ? common_file_perm+0x150/0x1c0 [ 76.560003][ T4356] ? fsnotify_perm+0x5d/0x560 [ 76.564687][ T4356] ? security_file_permission+0x75/0xa0 [ 76.570247][ T4356] ? rfkill_fop_read+0x4b0/0x4b0 [ 76.575197][ T4356] vfs_write+0x300/0xd00 [ 76.579445][ T4356] ? file_end_write+0x250/0x250 [ 76.584328][ T4356] ? __context_tracking_exit+0x4c/0x80 [ 76.589794][ T4356] ? __lock_acquire+0x7c60/0x7c60 [ 76.594828][ T4356] ? __fdget_pos+0x1e2/0x370 [ 76.599434][ T4356] ksys_write+0x14d/0x250 [ 76.603787][ T4356] ? __ia32_sys_read+0x80/0x80 [ 76.608565][ T4356] ? lockdep_hardirqs_on+0x94/0x140 [ 76.613777][ T4356] do_syscall_64+0x4c/0xa0 [ 76.618202][ T4356] ? clear_bhb_loop+0x30/0x80 [ 76.622880][ T4356] ? clear_bhb_loop+0x30/0x80 [ 76.627689][ T4356] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.633629][ T4356] RIP: 0033:0x7f1b0f055be9 [ 76.638054][ T4356] 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 [ 76.657662][ T4356] RSP: 002b:00007ffef459e928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.666076][ T4356] RAX: ffffffffffffffda RBX: 00007f1b0f27cfa0 RCX: 00007f1b0f055be9 [ 76.674054][ T4356] RDX: 0000000000000008 RSI: 0000200000000100 RDI: 0000000000000003 [ 76.682128][ T4356] RBP: 00007f1b0f0d8e19 R08: 0000000000000000 R09: 0000000000000000 [ 76.690104][ T4356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.698080][ T4356] R13: 00007f1b0f27cfa0 R14: 00007f1b0f27cfa0 R15: 0000000000000003 [ 76.706064][ T4356] [ 76.740934][ T4254] Bluetooth: hci0: command 0x040f tx timeout