Warning: Permanently added '10.128.1.96' (ED25519) to the list of known hosts. 2025/08/02 10:37:09 ignoring optional flag "sandboxArg"="0" 2025/08/02 10:37:11 parsed 1 programs [ 71.674311][ T4190] cgroup: Unknown subsys name 'net' [ 71.808243][ T4190] cgroup: Unknown subsys name 'rlimit' [ 73.353995][ T4190] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 76.270468][ T4235] chnl_net:caif_netlink_parms(): no params data found [ 76.337208][ T4235] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.345303][ T4235] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.354009][ T4235] device bridge_slave_0 entered promiscuous mode [ 76.364623][ T4235] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.371867][ T4235] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.380013][ T4235] device bridge_slave_1 entered promiscuous mode [ 76.413489][ T4235] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.425955][ T4235] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.458829][ T4235] team0: Port device team_slave_0 added [ 76.467108][ T4235] team0: Port device team_slave_1 added [ 76.495162][ T4235] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.502315][ T4235] 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. [ 76.530086][ T4235] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.543153][ T4235] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.550118][ T4235] 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. [ 76.576117][ T4235] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.614317][ T4235] device hsr_slave_0 entered promiscuous mode [ 76.621155][ T4235] device hsr_slave_1 entered promiscuous mode [ 76.747063][ T4235] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.758112][ T4235] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.767054][ T4235] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.776568][ T4235] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.840611][ T4235] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.855373][ T4235] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.867203][ T4235] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.874365][ T4235] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.951171][ T4235] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.966222][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.976456][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.985136][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.998427][ T4235] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.009777][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.018432][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.025668][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.042210][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.051761][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.058850][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.072740][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.084797][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.094055][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.107754][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.116915][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.128309][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.137920][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.148570][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.250006][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.258458][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.287380][ T4235] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.318402][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.335022][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.354481][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 77.362931][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.373286][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.381059][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.391116][ T4235] device veth0_vlan entered promiscuous mode [ 77.417868][ T4235] device veth1_vlan entered promiscuous mode [ 77.437126][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.445722][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.454155][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 77.464778][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.476118][ T4235] device veth0_macvtap entered promiscuous mode [ 77.487138][ T4235] device veth1_macvtap entered promiscuous mode [ 77.514920][ T4235] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.522582][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.530664][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 77.538980][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.548044][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.560173][ T4235] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.570536][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.580337][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.590973][ T4235] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.601285][ T4235] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.610110][ T4235] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.620398][ T4235] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.267418][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.281721][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.311620][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.326098][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.335406][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.346200][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/08/02 10:37:20 executed programs: 0 [ 79.389025][ T4294] chnl_net:caif_netlink_parms(): no params data found [ 79.455391][ T4294] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.462816][ T4294] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.470909][ T4294] device bridge_slave_0 entered promiscuous mode [ 79.479177][ T4294] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.486509][ T4294] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.494942][ T4294] device bridge_slave_1 entered promiscuous mode [ 79.518749][ T4294] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.533478][ T4294] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.557405][ T4294] team0: Port device team_slave_0 added [ 79.565829][ T4294] team0: Port device team_slave_1 added [ 79.593706][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.600700][ T4294] 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. [ 79.626773][ T4294] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.645729][ T3019] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.660587][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.667872][ T4294] 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. [ 79.693957][ T4294] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.725744][ T4294] device hsr_slave_0 entered promiscuous mode [ 79.733400][ T4294] device hsr_slave_1 entered promiscuous mode [ 79.740358][ T4294] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 79.748560][ T4294] Cannot create hsr debugfs directory [ 81.322347][ T4253] Bluetooth: hci0: command 0x0409 tx timeout [ 82.679277][ T3019] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.747058][ T3019] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.799373][ T3019] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.401801][ T4257] Bluetooth: hci0: command 0x041b tx timeout [ 83.624251][ T4294] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.634318][ T4294] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.644128][ T4294] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.671717][ T4294] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.745529][ T4294] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.760067][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.768090][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.778969][ T4294] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.794738][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.805175][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.814161][ T1239] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.821231][ T1239] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.829954][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 83.854841][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.863930][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.872576][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.879662][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.890139][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.927202][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.937963][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.947729][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.957226][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.968590][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.979272][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.010770][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 84.019320][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 84.031223][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 84.040695][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.068416][ T4294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.168879][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 84.177249][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 84.189839][ T4294] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.225111][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 84.234383][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 84.254914][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 84.264194][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 84.273303][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 84.283227][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 84.299434][ T4294] device veth0_vlan entered promiscuous mode [ 84.314762][ T4294] device veth1_vlan entered promiscuous mode [ 84.342472][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 84.350631][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 84.360437][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 84.369242][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 84.379456][ T4294] device veth0_macvtap entered promiscuous mode [ 84.389976][ T4294] device veth1_macvtap entered promiscuous mode [ 84.409692][ T4294] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 84.422143][ T4294] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 84.434220][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.446403][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 84.454697][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 84.463541][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 84.472298][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 84.484644][ T4294] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 84.495461][ T4294] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 84.506602][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.519700][ T3019] device hsr_slave_0 left promiscuous mode [ 84.526714][ T3019] device hsr_slave_1 left promiscuous mode [ 84.534032][ T3019] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 84.542403][ T3019] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 84.550523][ T3019] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 84.558342][ T3019] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 84.566444][ T3019] device bridge_slave_1 left promiscuous mode [ 84.574009][ T3019] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.587834][ T3019] device bridge_slave_0 left promiscuous mode [ 84.594162][ T3019] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.616744][ T3019] device veth1_macvtap left promiscuous mode [ 84.623256][ T3019] device veth0_macvtap left promiscuous mode [ 84.629307][ T3019] device veth1_vlan left promiscuous mode [ 84.635347][ T3019] device veth0_vlan left promiscuous mode [ 84.806828][ T3019] team0 (unregistering): Port device team_slave_1 removed [ 84.824289][ T3019] team0 (unregistering): Port device team_slave_0 removed [ 84.839060][ T3019] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 84.856734][ T3019] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 84.920208][ T3019] bond0 (unregistering): Released all slaves [ 84.966330][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 84.975592][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 84.988136][ T4294] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.997717][ T4294] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.006892][ T4294] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.016046][ T4294] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.091097][ T1239] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.105159][ T1239] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.137415][ T1239] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 85.146600][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.156777][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.166476][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 85.215043][ T4359] [ 85.217424][ T4359] ====================================================== [ 85.224455][ T4359] WARNING: possible circular locking dependency detected [ 85.231499][ T4359] 5.15.189-syzkaller #0 Not tainted [ 85.236709][ T4359] ------------------------------------------------------ [ 85.243726][ T4359] syz.0.17/4359 is trying to acquire lock: [ 85.249551][ T4359] ffff8880246e8c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 85.260613][ T4359] [ 85.260613][ T4359] but task is already holding lock: [ 85.267973][ T4359] ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 85.277639][ T4359] [ 85.277639][ T4359] which lock already depends on the new lock. [ 85.277639][ T4359] [ 85.288034][ T4359] [ 85.288034][ T4359] the existing dependency chain (in reverse order) is: [ 85.297056][ T4359] [ 85.297056][ T4359] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 85.305061][ T4359] __mutex_lock_common+0x1eb/0x2390 [ 85.310782][ T4359] mutex_lock_nested+0x17/0x20 [ 85.316067][ T4359] rfkill_register+0x33/0x8a0 [ 85.321305][ T4359] hci_register_dev+0x452/0x970 [ 85.326693][ T4359] vhci_create_device+0x32c/0x5c0 [ 85.332238][ T4359] vhci_write+0x391/0x450 [ 85.337086][ T4359] vfs_write+0x712/0xd00 [ 85.341874][ T4359] ksys_write+0x14d/0x250 [ 85.346729][ T4359] do_syscall_64+0x4c/0xa0 [ 85.351667][ T4359] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.358087][ T4359] [ 85.358087][ T4359] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 85.365907][ T4359] __mutex_lock_common+0x1eb/0x2390 [ 85.371635][ T4359] mutex_lock_nested+0x17/0x20 [ 85.376919][ T4359] vhci_send_frame+0x88/0x100 [ 85.382119][ T4359] hci_send_frame+0x1a9/0x2e0 [ 85.387315][ T4359] hci_tx_work+0x9f9/0x1710 [ 85.392333][ T4359] process_one_work+0x863/0x1000 [ 85.397783][ T4359] worker_thread+0xaa8/0x12a0 [ 85.402975][ T4359] kthread+0x436/0x520 [ 85.407553][ T4359] ret_from_fork+0x1f/0x30 [ 85.412490][ T4359] [ 85.412490][ T4359] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 85.421750][ T4359] __flush_work+0xdd/0x1b0 [ 85.426687][ T4359] hci_dev_do_close+0x1e7/0x1030 [ 85.432139][ T4359] hci_unregister_dev+0x2d7/0x580 [ 85.437694][ T4359] vhci_release+0x73/0xc0 [ 85.442553][ T4359] __fput+0x234/0x930 [ 85.447047][ T4359] task_work_run+0x125/0x1a0 [ 85.452148][ T4359] do_exit+0x61e/0x20a0 [ 85.456837][ T4359] do_group_exit+0x12e/0x300 [ 85.461943][ T4359] get_signal+0x6ca/0x12c0 [ 85.466890][ T4359] arch_do_signal_or_restart+0xc1/0x1300 [ 85.473038][ T4359] exit_to_user_mode_loop+0x9e/0x130 [ 85.478865][ T4359] exit_to_user_mode_prepare+0xb1/0x140 [ 85.484926][ T4359] syscall_exit_to_user_mode+0x16/0x40 [ 85.490902][ T4359] do_syscall_64+0x58/0xa0 [ 85.495844][ T4359] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.502258][ T4359] [ 85.502258][ T4359] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 85.509894][ T4359] __mutex_lock_common+0x1eb/0x2390 [ 85.512281][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 85.515607][ T4359] mutex_lock_nested+0x17/0x20 [ 85.526878][ T4359] bg_scan_update+0x44/0x3b0 [ 85.531996][ T4359] process_one_work+0x863/0x1000 [ 85.537473][ T4359] worker_thread+0xaa8/0x12a0 [ 85.542668][ T4359] kthread+0x436/0x520 [ 85.547252][ T4359] ret_from_fork+0x1f/0x30 [ 85.552208][ T4359] [ 85.552208][ T4359] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 85.562028][ T4359] __lock_acquire+0x2c33/0x7c60 [ 85.567411][ T4359] lock_acquire+0x197/0x3f0 [ 85.572459][ T4359] __flush_work+0xdd/0x1b0 [ 85.577390][ T4359] __cancel_work_timer+0x3ac/0x520 [ 85.583024][ T4359] hci_request_cancel_all+0xcc/0x300 [ 85.588835][ T4359] hci_dev_do_close+0x4e/0x1030 [ 85.594199][ T4359] hci_rfkill_set_block+0x10a/0x190 [ 85.599916][ T4359] rfkill_set_block+0x1c6/0x420 [ 85.605286][ T4359] rfkill_fop_write+0x458/0x560 [ 85.610672][ T4359] vfs_write+0x300/0xd00 [ 85.615452][ T4359] ksys_write+0x14d/0x250 [ 85.620300][ T4359] do_syscall_64+0x4c/0xa0 [ 85.625235][ T4359] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.631646][ T4359] [ 85.631646][ T4359] other info that might help us debug this: [ 85.631646][ T4359] [ 85.641863][ T4359] Chain exists of: [ 85.641863][ T4359] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 85.641863][ T4359] [ 85.657581][ T4359] Possible unsafe locking scenario: [ 85.657581][ T4359] [ 85.665030][ T4359] CPU0 CPU1 [ 85.670403][ T4359] ---- ---- [ 85.675777][ T4359] lock(rfkill_global_mutex); [ 85.680536][ T4359] lock(&data->open_mutex); [ 85.687635][ T4359] lock(rfkill_global_mutex); [ 85.694911][ T4359] lock((work_completion)(&hdev->bg_scan_update)); [ 85.701496][ T4359] [ 85.701496][ T4359] *** DEADLOCK *** [ 85.701496][ T4359] [ 85.709637][ T4359] 1 lock held by syz.0.17/4359: [ 85.714479][ T4359] #0: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 85.724575][ T4359] [ 85.724575][ T4359] stack backtrace: [ 85.730466][ T4359] CPU: 1 PID: 4359 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 85.738438][ T4359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 85.748513][ T4359] Call Trace: [ 85.751787][ T4359] [ 85.754713][ T4359] dump_stack_lvl+0x168/0x230 [ 85.759386][ T4359] ? load_image+0x3b0/0x3b0 [ 85.763889][ T4359] ? show_regs_print_info+0x20/0x20 [ 85.769091][ T4359] ? print_circular_bug+0x12b/0x1a0 [ 85.774287][ T4359] check_noncircular+0x274/0x310 [ 85.779223][ T4359] ? add_chain_block+0x940/0x940 [ 85.784153][ T4359] ? lockdep_lock+0xdc/0x1e0 [ 85.788764][ T4359] ? __lock_acquire+0x12d9/0x7c60 [ 85.793781][ T4359] ? lockdep_lock+0x1e0/0x1e0 [ 85.798475][ T4359] ? mark_lock+0x94/0x320 [ 85.802802][ T4359] ? _find_first_zero_bit+0xce/0xf0 [ 85.808013][ T4359] __lock_acquire+0x2c33/0x7c60 [ 85.812869][ T4359] ? verify_lock_unused+0x140/0x140 [ 85.818072][ T4359] ? verify_lock_unused+0x140/0x140 [ 85.823297][ T4359] lock_acquire+0x197/0x3f0 [ 85.827814][ T4359] ? __flush_work+0xc1/0x1b0 [ 85.832399][ T4359] ? __lock_acquire+0x7c60/0x7c60 [ 85.837422][ T4359] ? read_lock_is_recursive+0x10/0x10 [ 85.842812][ T4359] ? start_flush_work+0x776/0x820 [ 85.847832][ T4359] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 85.853725][ T4359] ? _raw_spin_unlock+0x40/0x40 [ 85.858571][ T4359] __flush_work+0xdd/0x1b0 [ 85.862983][ T4359] ? __flush_work+0xc1/0x1b0 [ 85.867569][ T4359] ? flush_work+0x20/0x20 [ 85.871988][ T4359] ? try_to_grab_pending+0xf3/0x7e0 [ 85.877178][ T4359] ? lockdep_hardirqs_off+0x70/0x100 [ 85.882587][ T4359] ? mark_lock+0x94/0x320 [ 85.886929][ T4359] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 85.892922][ T4359] ? lock_chain_count+0x20/0x20 [ 85.897777][ T4359] ? mark_lock+0x94/0x320 [ 85.902130][ T4359] ? __cancel_work_timer+0x331/0x520 [ 85.907426][ T4359] __cancel_work_timer+0x3ac/0x520 [ 85.912549][ T4359] ? cancel_work_sync+0x20/0x20 [ 85.917417][ T4359] ? __cancel_work+0x1f4/0x2d0 [ 85.922209][ T4359] ? lockdep_hardirqs_on+0x94/0x140 [ 85.927406][ T4359] ? __cancel_work+0x26f/0x2d0 [ 85.932186][ T4359] ? cancel_work+0x20/0x20 [ 85.936676][ T4359] ? lock_chain_count+0x20/0x20 [ 85.941535][ T4359] hci_request_cancel_all+0xcc/0x300 [ 85.946824][ T4359] hci_dev_do_close+0x4e/0x1030 [ 85.951674][ T4359] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 85.957566][ T4359] ? _raw_spin_unlock+0x40/0x40 [ 85.962421][ T4359] hci_rfkill_set_block+0x10a/0x190 [ 85.967641][ T4359] ? rcu_lock_release+0x20/0x20 [ 85.972497][ T4359] rfkill_set_block+0x1c6/0x420 [ 85.977349][ T4359] rfkill_fop_write+0x458/0x560 [ 85.982195][ T4359] ? verify_lock_unused+0x140/0x140 [ 85.987482][ T4359] ? rfkill_fop_read+0x4b0/0x4b0 [ 85.992430][ T4359] ? common_file_perm+0x150/0x1c0 [ 85.997460][ T4359] ? fsnotify_perm+0x5d/0x560 [ 86.002134][ T4359] ? security_file_permission+0x75/0xa0 [ 86.007695][ T4359] ? rfkill_fop_read+0x4b0/0x4b0 [ 86.012634][ T4359] vfs_write+0x300/0xd00 [ 86.016889][ T4359] ? file_end_write+0x250/0x250 [ 86.021741][ T4359] ? __context_tracking_exit+0x4c/0x80 [ 86.027219][ T4359] ? __lock_acquire+0x7c60/0x7c60 [ 86.032240][ T4359] ? __fdget_pos+0x1e2/0x370 [ 86.036835][ T4359] ksys_write+0x14d/0x250 [ 86.041158][ T4359] ? __ia32_sys_read+0x80/0x80 [ 86.045917][ T4359] ? lockdep_hardirqs_on+0x94/0x140 [ 86.051119][ T4359] do_syscall_64+0x4c/0xa0 [ 86.055531][ T4359] ? clear_bhb_loop+0x30/0x80 [ 86.060205][ T4359] ? clear_bhb_loop+0x30/0x80 [ 86.064884][ T4359] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.070817][ T4359] RIP: 0033:0x7fb29aba0b69 [ 86.075234][ T4359] 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 [ 86.094836][ T4359] RSP: 002b:00007ffe4fdbdba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.103274][ T4359] RAX: ffffffffffffffda RBX: 00007fb29adc7fa0 RCX: 00007fb29aba0b69 [ 86.111244][ T4359] RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003 [ 86.119213][ T4359] RBP: 00007fb29ac23df1 R08: 0000000000000000 R09: 0000000000000000 [ 86.127187][ T4359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.135156][ T4359] R13: 00007fb29adc7fa0 R14: 00007fb29adc7fa0 R15: 0000000000000003 [ 86.143237][ T4359]