Warning: Permanently added '10.128.0.209' (ED25519) to the list of known hosts. 2025/05/30 20:58:31 ignoring optional flag "sandboxArg"="0" 2025/05/30 20:58:32 parsed 1 programs [ 58.824312][ T4175] cgroup: Unknown subsys name 'net' [ 58.992324][ T4175] cgroup: Unknown subsys name 'rlimit' [ 60.298560][ T4175] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 62.430708][ T4212] chnl_net:caif_netlink_parms(): no params data found [ 62.490586][ T4212] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.499426][ T4212] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.507618][ T4212] device bridge_slave_0 entered promiscuous mode [ 62.516483][ T4212] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.524939][ T4212] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.533072][ T4212] device bridge_slave_1 entered promiscuous mode [ 62.560853][ T4212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.573504][ T4212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.602422][ T4212] team0: Port device team_slave_0 added [ 62.610210][ T4212] team0: Port device team_slave_1 added [ 62.633958][ T4212] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.642014][ T4212] 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. [ 62.673075][ T4212] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.685808][ T4212] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.693911][ T4212] 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. [ 62.721378][ T4212] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.760769][ T4212] device hsr_slave_0 entered promiscuous mode [ 62.767802][ T4212] device hsr_slave_1 entered promiscuous mode [ 62.891409][ T4212] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.903303][ T4212] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.913653][ T4212] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.924088][ T4212] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.951293][ T4212] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.958481][ T4212] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.966222][ T4212] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.973319][ T4212] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.025340][ T4212] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.038913][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.049372][ T1401] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.058852][ T1401] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.067048][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 63.080216][ T4212] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.099664][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.108102][ T155] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.115142][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.123372][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.133385][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.140461][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.157983][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.167395][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.181830][ T4212] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.192504][ T4212] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.205360][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.213941][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.222602][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.231387][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.334313][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.341837][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.354280][ T4212] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.370524][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.386985][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.395065][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.403965][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.411940][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.422072][ T4212] device veth0_vlan entered promiscuous mode [ 63.434372][ T4212] device veth1_vlan entered promiscuous mode [ 63.454682][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.463880][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.476124][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.491309][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.502922][ T4212] device veth0_macvtap entered promiscuous mode [ 63.513132][ T4212] device veth1_macvtap entered promiscuous mode [ 63.537287][ T4212] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.544800][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.554148][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.562645][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.571769][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.582973][ T4212] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.590950][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.599545][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.610631][ T4212] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.619635][ T4212] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.628612][ T4212] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.637912][ T4212] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.706221][ T4212] syz-executor (4212) used greatest stack depth: 20320 bytes left [ 63.959809][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.971254][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.983010][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.004351][ T1401] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.012334][ T1401] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.021131][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/05/30 20:58:41 executed programs: 0 [ 65.578031][ T4266] chnl_net:caif_netlink_parms(): no params data found [ 65.634500][ T4266] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.641632][ T4266] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.649748][ T4266] device bridge_slave_0 entered promiscuous mode [ 65.659244][ T4266] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.666354][ T4266] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.674986][ T4266] device bridge_slave_1 entered promiscuous mode [ 65.700520][ T4266] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.714192][ T4266] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.745445][ T4266] team0: Port device team_slave_0 added [ 65.753187][ T4266] team0: Port device team_slave_1 added [ 65.776653][ T4266] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.783729][ T4266] 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. [ 65.809934][ T4266] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.822440][ T4266] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.831740][ T4266] 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. [ 65.857827][ T4266] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.891723][ T4266] device hsr_slave_0 entered promiscuous mode [ 65.898590][ T4266] device hsr_slave_1 entered promiscuous mode [ 65.905193][ T4266] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.913070][ T4266] Cannot create hsr debugfs directory [ 65.941168][ T144] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.497614][ T23] Bluetooth: hci0: command 0x0409 tx timeout [ 68.573191][ T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.630800][ T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.682399][ T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.466461][ T4266] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.478133][ T4266] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.487158][ T4266] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.495822][ T4266] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.557483][ T4266] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.570729][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.576884][ T23] Bluetooth: hci0: command 0x041b tx timeout [ 69.581701][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.593888][ T4266] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.620586][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.629399][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.638168][ T145] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.645216][ T145] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.653676][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.676001][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.684848][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.693488][ T145] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.700712][ T145] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.708426][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.717470][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.727409][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.736423][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.761266][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.771604][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.780753][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.792325][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.800928][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.812326][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.821791][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.850596][ T4266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.940035][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.948349][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.960368][ T4266] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.992553][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.001748][ T1401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.019923][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.029372][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.052073][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.060210][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.069190][ T4266] device veth0_vlan entered promiscuous mode [ 70.079759][ T4266] device veth1_vlan entered promiscuous mode [ 70.111259][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.120485][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.128625][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.138047][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.147745][ T4266] device veth0_macvtap entered promiscuous mode [ 70.155890][ T4266] device veth1_macvtap entered promiscuous mode [ 70.174904][ T4266] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.190233][ T4266] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.201636][ T4266] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.217907][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.225732][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.233862][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.242491][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.252058][ T4266] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.262600][ T4266] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.273452][ T4266] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.285526][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.294266][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.304582][ T4266] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.313732][ T4266] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.323448][ T4266] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.334264][ T4266] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.349181][ T144] device hsr_slave_0 left promiscuous mode [ 70.355569][ T144] device hsr_slave_1 left promiscuous mode [ 70.363270][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 70.370894][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 70.380034][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 70.387458][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 70.394946][ T144] device bridge_slave_1 left promiscuous mode [ 70.401672][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.413713][ T144] device bridge_slave_0 left promiscuous mode [ 70.420171][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.435038][ T144] device veth1_macvtap left promiscuous mode [ 70.441466][ T144] device veth0_macvtap left promiscuous mode [ 70.448017][ T144] device veth1_vlan left promiscuous mode [ 70.453843][ T144] device veth0_vlan left promiscuous mode [ 70.603226][ T144] team0 (unregistering): Port device team_slave_1 removed [ 70.615690][ T144] team0 (unregistering): Port device team_slave_0 removed [ 70.631169][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 70.643906][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 70.692859][ T144] bond0 (unregistering): Released all slaves [ 70.785898][ T4243] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.811102][ T4243] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.830484][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.830486][ T4243] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.845757][ T4243] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.854414][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.902179][ T4326] [ 70.904518][ T4326] ====================================================== [ 70.911512][ T4326] WARNING: possible circular locking dependency detected [ 70.918511][ T4326] 5.15.184-syzkaller #0 Not tainted [ 70.923698][ T4326] ------------------------------------------------------ [ 70.930689][ T4326] syz.0.16/4326 is trying to acquire lock: [ 70.936464][ T4326] ffff88802354cc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 70.947487][ T4326] [ 70.947487][ T4326] but task is already holding lock: [ 70.954822][ T4326] ffffffff8d4b2608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 70.964451][ T4326] [ 70.964451][ T4326] which lock already depends on the new lock. [ 70.964451][ T4326] [ 70.974830][ T4326] [ 70.974830][ T4326] the existing dependency chain (in reverse order) is: [ 70.983820][ T4326] [ 70.983820][ T4326] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 70.991785][ T4326] __mutex_lock_common+0x1eb/0x2390 [ 70.997484][ T4326] mutex_lock_nested+0x17/0x20 [ 71.002743][ T4326] rfkill_register+0x33/0x8a0 [ 71.007922][ T4326] hci_register_dev+0x452/0x970 [ 71.013276][ T4326] vhci_create_device+0x32c/0x5c0 [ 71.018815][ T4326] vhci_write+0x391/0x450 [ 71.023641][ T4326] vfs_write+0x712/0xd00 [ 71.028381][ T4326] ksys_write+0x14d/0x250 [ 71.033205][ T4326] do_syscall_64+0x4c/0xa0 [ 71.038117][ T4326] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.044512][ T4326] [ 71.044512][ T4326] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 71.052300][ T4326] __mutex_lock_common+0x1eb/0x2390 [ 71.057999][ T4326] mutex_lock_nested+0x17/0x20 [ 71.058699][ T1429] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.063280][ T4326] vhci_send_frame+0x88/0x100 [ 71.070409][ T1429] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.074678][ T4326] hci_send_frame+0x1a9/0x2e0 [ 71.086066][ T4326] hci_tx_work+0x9f9/0x1710 [ 71.091075][ T4326] process_one_work+0x863/0x1000 [ 71.096512][ T4326] worker_thread+0xaa8/0x12a0 [ 71.101686][ T4326] kthread+0x436/0x520 [ 71.106250][ T4326] ret_from_fork+0x1f/0x30 [ 71.111169][ T4326] [ 71.111169][ T4326] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 71.120354][ T4326] __flush_work+0xdd/0x1b0 [ 71.125269][ T4326] hci_dev_do_close+0x1e7/0x1030 [ 71.130715][ T4326] hci_unregister_dev+0x2d7/0x580 [ 71.136238][ T4326] vhci_release+0x73/0xc0 [ 71.141065][ T4326] __fput+0x234/0x930 [ 71.145546][ T4326] task_work_run+0x125/0x1a0 [ 71.150637][ T4326] do_exit+0x616/0x20a0 [ 71.155295][ T4326] do_group_exit+0x12e/0x300 [ 71.160395][ T4326] get_signal+0x6ca/0x12c0 [ 71.165312][ T4326] arch_do_signal_or_restart+0xc1/0x1300 [ 71.171442][ T4326] exit_to_user_mode_loop+0x9e/0x130 [ 71.177228][ T4326] exit_to_user_mode_prepare+0xb1/0x140 [ 71.183271][ T4326] syscall_exit_to_user_mode+0x16/0x40 [ 71.189233][ T4326] do_syscall_64+0x58/0xa0 [ 71.194150][ T4326] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.200540][ T4326] [ 71.200540][ T4326] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 71.208156][ T4326] __mutex_lock_common+0x1eb/0x2390 [ 71.213857][ T4326] mutex_lock_nested+0x17/0x20 [ 71.219143][ T4326] bg_scan_update+0x44/0x3b0 [ 71.224236][ T4326] process_one_work+0x863/0x1000 [ 71.229672][ T4326] worker_thread+0xaa8/0x12a0 [ 71.234852][ T4326] kthread+0x436/0x520 [ 71.239427][ T4326] ret_from_fork+0x1f/0x30 [ 71.244347][ T4326] [ 71.244347][ T4326] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 71.254130][ T4326] __lock_acquire+0x2c33/0x7c60 [ 71.259486][ T4326] lock_acquire+0x197/0x3f0 [ 71.264497][ T4326] __flush_work+0xdd/0x1b0 [ 71.269416][ T4326] __cancel_work_timer+0x3ac/0x520 [ 71.275033][ T4326] hci_request_cancel_all+0xcc/0x300 [ 71.280819][ T4326] hci_dev_do_close+0x4e/0x1030 [ 71.286168][ T4326] hci_rfkill_set_block+0x10a/0x190 [ 71.291861][ T4326] rfkill_set_block+0x1c6/0x420 [ 71.297210][ T4326] rfkill_fop_write+0x458/0x560 [ 71.302557][ T4326] vfs_write+0x300/0xd00 [ 71.307298][ T4326] ksys_write+0x14d/0x250 [ 71.312128][ T4326] do_syscall_64+0x4c/0xa0 [ 71.317046][ T4326] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.323444][ T4326] [ 71.323444][ T4326] other info that might help us debug this: [ 71.323444][ T4326] [ 71.333646][ T4326] Chain exists of: [ 71.333646][ T4326] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 71.333646][ T4326] [ 71.349449][ T4326] Possible unsafe locking scenario: [ 71.349449][ T4326] [ 71.356881][ T4326] CPU0 CPU1 [ 71.362245][ T4326] ---- ---- [ 71.367585][ T4326] lock(rfkill_global_mutex); [ 71.372322][ T4326] lock(&data->open_mutex); [ 71.379410][ T4326] lock(rfkill_global_mutex); [ 71.386677][ T4326] lock((work_completion)(&hdev->bg_scan_update)); [ 71.393248][ T4326] [ 71.393248][ T4326] *** DEADLOCK *** [ 71.393248][ T4326] [ 71.401364][ T4326] 1 lock held by syz.0.16/4326: [ 71.406274][ T4326] #0: ffffffff8d4b2608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 71.416339][ T4326] [ 71.416339][ T4326] stack backtrace: [ 71.422202][ T4326] CPU: 0 PID: 4326 Comm: syz.0.16 Not tainted 5.15.184-syzkaller #0 [ 71.430158][ T4326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.440208][ T4326] Call Trace: [ 71.443478][ T4326] [ 71.446390][ T4326] dump_stack_lvl+0x168/0x230 [ 71.451044][ T4326] ? load_image+0x3b0/0x3b0 [ 71.455525][ T4326] ? show_regs_print_info+0x20/0x20 [ 71.460702][ T4326] ? print_circular_bug+0x12b/0x1a0 [ 71.465882][ T4326] check_noncircular+0x274/0x310 [ 71.470810][ T4326] ? add_chain_block+0x940/0x940 [ 71.475721][ T4326] ? lockdep_lock+0xdc/0x1e0 [ 71.480305][ T4326] ? __lock_acquire+0x12d9/0x7c60 [ 71.485316][ T4326] ? lockdep_lock+0x1e0/0x1e0 [ 71.489972][ T4326] ? mark_lock+0x94/0x320 [ 71.494286][ T4326] ? _find_first_zero_bit+0xce/0xf0 [ 71.499466][ T4326] __lock_acquire+0x2c33/0x7c60 [ 71.504306][ T4326] ? verify_lock_unused+0x140/0x140 [ 71.509491][ T4326] ? verify_lock_unused+0x140/0x140 [ 71.514683][ T4326] lock_acquire+0x197/0x3f0 [ 71.519179][ T4326] ? __flush_work+0xc1/0x1b0 [ 71.523750][ T4326] ? __lock_acquire+0x7c60/0x7c60 [ 71.528775][ T4326] ? read_lock_is_recursive+0x10/0x10 [ 71.534126][ T4326] ? start_flush_work+0x776/0x820 [ 71.539139][ T4326] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 71.545018][ T4326] ? _raw_spin_unlock+0x40/0x40 [ 71.549950][ T4326] __flush_work+0xdd/0x1b0 [ 71.554349][ T4326] ? __flush_work+0xc1/0x1b0 [ 71.558916][ T4326] ? flush_work+0x20/0x20 [ 71.563222][ T4326] ? try_to_grab_pending+0xf3/0x7e0 [ 71.568397][ T4326] ? lockdep_hardirqs_off+0x70/0x100 [ 71.573663][ T4326] ? mark_lock+0x94/0x320 [ 71.577973][ T4326] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 71.583932][ T4326] ? lock_chain_count+0x20/0x20 [ 71.588765][ T4326] ? mark_lock+0x94/0x320 [ 71.593077][ T4326] ? __cancel_work_timer+0x331/0x520 [ 71.598337][ T4326] __cancel_work_timer+0x3ac/0x520 [ 71.603425][ T4326] ? cancel_work_sync+0x20/0x20 [ 71.608250][ T4326] ? __cancel_work+0x1f4/0x2d0 [ 71.612990][ T4326] ? lockdep_hardirqs_on+0x94/0x140 [ 71.618166][ T4326] ? __cancel_work+0x26f/0x2d0 [ 71.622905][ T4326] ? cancel_work+0x20/0x20 [ 71.627295][ T4326] ? lock_chain_count+0x20/0x20 [ 71.632144][ T4326] hci_request_cancel_all+0xcc/0x300 [ 71.637410][ T4326] hci_dev_do_close+0x4e/0x1030 [ 71.642239][ T4326] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 71.648111][ T4326] ? _raw_spin_unlock+0x40/0x40 [ 71.652943][ T4326] hci_rfkill_set_block+0x10a/0x190 [ 71.658122][ T4326] ? rcu_lock_release+0x20/0x20 [ 71.658926][ T4298] Bluetooth: hci0: command 0x040f tx timeout [ 71.662967][ T4326] rfkill_set_block+0x1c6/0x420 [ 71.673751][ T4326] rfkill_fop_write+0x458/0x560 [ 71.678583][ T4326] ? verify_lock_unused+0x140/0x140 [ 71.683787][ T4326] ? rfkill_fop_read+0x4b0/0x4b0 [ 71.688719][ T4326] ? common_file_perm+0x110/0x1c0 [ 71.693725][ T4326] ? fsnotify_perm+0x5d/0x560 [ 71.698383][ T4326] ? security_file_permission+0x75/0xa0 [ 71.703909][ T4326] ? rfkill_fop_read+0x4b0/0x4b0 [ 71.708823][ T4326] vfs_write+0x300/0xd00 [ 71.713048][ T4326] ? file_end_write+0x250/0x250 [ 71.717880][ T4326] ? __context_tracking_exit+0x4c/0x80 [ 71.723320][ T4326] ? __lock_acquire+0x7c60/0x7c60 [ 71.728322][ T4326] ? __fdget_pos+0x1e2/0x370 [ 71.732889][ T4326] ksys_write+0x14d/0x250 [ 71.737195][ T4326] ? __ia32_sys_read+0x80/0x80 [ 71.741936][ T4326] ? lockdep_hardirqs_on+0x94/0x140 [ 71.747116][ T4326] do_syscall_64+0x4c/0xa0 [ 71.751507][ T4326] ? clear_bhb_loop+0x30/0x80 [ 71.756160][ T4326] ? clear_bhb_loop+0x30/0x80 [ 71.760811][ T4326] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.766689][ T4326] RIP: 0033:0x7fbba8c4f969 [ 71.771096][ T4326] 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 [ 71.790680][ T4326] RSP: 002b:00007ffec57d0428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.799071][ T4326] RAX: ffffffffffffffda RBX: 00007fbba8e76fa0 RCX: 00007fbba8c4f969 [ 71.807125][ T4326] RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003 [ 71.815092][ T4326] RBP: 00007fbba8cd1ab1 R08: 0000000000000000 R09: 0000000000000000 [ 71.823038][ T4326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.830987][ T4326] R13: 00007fbba8e76fa0 R14: 00007fbba8e76fa0 R15: 0000000000000003 [ 71.838940][ T4326]