Warning: Permanently added '10.128.10.46' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 48.024139][ T4023] cgroup: Unknown subsys name 'net' [ 48.322601][ T4023] cgroup: Unknown subsys name 'rlimit' [ 48.679546][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 59.281899][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.283697][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.286112][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.300678][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.302384][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.304745][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.053368][ T4080] chnl_net:caif_netlink_parms(): no params data found [ 60.093087][ T4080] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.094801][ T4080] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.098705][ T4080] device bridge_slave_0 entered promiscuous mode [ 60.102780][ T4080] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.104500][ T4080] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.107351][ T4080] device bridge_slave_1 entered promiscuous mode [ 60.124915][ T4080] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.129065][ T4080] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.154608][ T4080] team0: Port device team_slave_0 added [ 60.158154][ T4080] team0: Port device team_slave_1 added [ 60.171412][ T4080] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.172907][ T4080] 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. [ 60.178582][ T4080] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.183102][ T4080] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.184595][ T4080] 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. [ 60.190890][ T4080] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.258851][ T4080] device hsr_slave_0 entered promiscuous mode [ 60.298225][ T4080] device hsr_slave_1 entered promiscuous mode [ 60.427568][ T4080] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.469840][ T4080] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.529459][ T4080] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.571433][ T4080] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.663892][ T4080] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.674665][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.681315][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.686048][ T4080] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.691816][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.698230][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.700809][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.702469][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.704985][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.719662][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.722338][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.724736][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.726208][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.729219][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.731763][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.743755][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.746342][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.749461][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.759300][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.761723][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.767835][ T4080] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.837177][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.839196][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.846300][ T4080] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.862764][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.875097][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.878831][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.881002][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.884638][ T4080] device veth0_vlan entered promiscuous mode [ 60.893225][ T4080] device veth1_vlan entered promiscuous mode [ 60.916196][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.923479][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.925978][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.931875][ T4080] device veth0_macvtap entered promiscuous mode [ 60.938799][ T4080] device veth1_macvtap entered promiscuous mode [ 60.956002][ T4080] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.961190][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.970124][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.974608][ T4080] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.979121][ T4080] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.981233][ T4080] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.983015][ T4080] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.984975][ T4080] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.991790][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:01 executed programs: 0 [ 61.323703][ T4112] chnl_net:caif_netlink_parms(): no params data found [ 61.367639][ T4112] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.369281][ T4112] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.371420][ T4112] device bridge_slave_0 entered promiscuous mode [ 61.375101][ T4112] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.377509][ T4112] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.379623][ T4112] device bridge_slave_1 entered promiscuous mode [ 61.396406][ T4112] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.401656][ T4112] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.418303][ T4112] team0: Port device team_slave_0 added [ 61.421833][ T4112] team0: Port device team_slave_1 added [ 61.434523][ T4112] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.436008][ T4112] 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. [ 61.441903][ T4112] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.445792][ T4112] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.447539][ T4112] 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. [ 61.452871][ T4112] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.518756][ T4112] device hsr_slave_0 entered promiscuous mode [ 61.566980][ T4112] device hsr_slave_1 entered promiscuous mode [ 61.616804][ T4112] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.618732][ T4112] Cannot create hsr debugfs directory [ 61.706023][ T4112] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.317166][ T4061] Bluetooth: hci0: command 0x0409 tx timeout [ 64.203978][ T4112] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.386674][ T1533] Bluetooth: hci0: command 0x041b tx timeout [ 66.744503][ T4112] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.800619][ T4112] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.988557][ T4112] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.019300][ T4112] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.070459][ T4112] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.129293][ T4112] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.231789][ T4112] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.466681][ T4058] Bluetooth: hci0: command 0x040f tx timeout [ 67.490646][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.493093][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.498286][ T4112] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.502522][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.504946][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.507207][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.508777][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.511195][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.515891][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.520357][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.522672][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.524274][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.531238][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.536390][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.544796][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.551267][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.553698][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.558304][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.560717][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.568922][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.571348][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.574690][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.577374][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.581971][ T4112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.655715][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.658752][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.665185][ T4112] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.684574][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.687681][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.692615][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.695191][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.700757][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.702939][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.706931][ T4112] device veth0_vlan entered promiscuous mode [ 67.712862][ T4112] device veth1_vlan entered promiscuous mode [ 67.727307][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.729752][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.732092][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.734376][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.740229][ T4112] device veth0_macvtap entered promiscuous mode [ 67.744729][ T4112] device veth1_macvtap entered promiscuous mode [ 67.755094][ T4112] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.757608][ T4112] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.760662][ T4112] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.762241][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.764434][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.768416][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.770754][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.774573][ T4112] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.777909][ T4112] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.780761][ T4112] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.810157][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.812673][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.817825][ T4112] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.819742][ T4112] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.821586][ T4112] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.823379][ T4112] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.864767][ T397] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.870011][ T397] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.873251][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.882144][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.883967][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.886375][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.959874][ T4127] [ 67.960435][ T4127] ====================================================== [ 67.961926][ T4127] WARNING: possible circular locking dependency detected [ 67.963420][ T4127] 5.15.173-syzkaller #0 Not tainted [ 67.964588][ T4127] ------------------------------------------------------ [ 67.966136][ T4127] syz.0.15/4127 is trying to acquire lock: [ 67.967345][ T4127] ffff0000d4b70c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 67.969814][ T4127] [ 67.969814][ T4127] but task is already holding lock: [ 67.971518][ T4127] ffff800016e77268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.973573][ T4127] [ 67.973573][ T4127] which lock already depends on the new lock. [ 67.973573][ T4127] [ 67.975732][ T4127] [ 67.975732][ T4127] the existing dependency chain (in reverse order) is: [ 67.977723][ T4127] [ 67.977723][ T4127] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.979400][ T4127] __mutex_lock_common+0x194/0x2154 [ 67.980669][ T4127] mutex_lock_nested+0xa4/0xf8 [ 67.981861][ T4127] rfkill_register+0x44/0x7a4 [ 67.982914][ T4127] hci_register_dev+0x3e0/0x880 [ 67.984029][ T4127] vhci_create_device+0x2c4/0x568 [ 67.985226][ T4127] vhci_write+0x318/0x3b8 [ 67.986230][ T4127] vfs_write+0x884/0xb44 [ 67.987232][ T4127] ksys_write+0x15c/0x26c [ 67.988285][ T4127] __arm64_sys_write+0x7c/0x90 [ 67.989467][ T4127] invoke_syscall+0x98/0x2b8 [ 67.990660][ T4127] el0_svc_common+0x138/0x258 [ 67.991832][ T4127] do_el0_svc+0x58/0x14c [ 67.992895][ T4127] el0_svc+0x7c/0x1f0 [ 67.993896][ T4127] el0t_64_sync_handler+0x84/0xe4 [ 67.995200][ T4127] el0t_64_sync+0x1a0/0x1a4 [ 67.996250][ T4127] [ 67.996250][ T4127] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.997961][ T4127] __mutex_lock_common+0x194/0x2154 [ 67.999193][ T4127] mutex_lock_nested+0xa4/0xf8 [ 68.000357][ T4127] vhci_send_frame+0x8c/0x10c [ 68.001493][ T4127] hci_send_frame+0x194/0x2f0 [ 68.002675][ T4127] hci_tx_work+0x9ac/0x16cc [ 68.003851][ T4127] process_one_work+0x790/0x11b8 [ 68.005077][ T4127] worker_thread+0x910/0x1034 [ 68.006238][ T4127] kthread+0x37c/0x45c [ 68.007226][ T4127] ret_from_fork+0x10/0x20 [ 68.008339][ T4127] [ 68.008339][ T4127] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 68.010338][ T4127] __flush_work+0xf8/0x1c0 [ 68.011379][ T4127] flush_work+0x24/0x38 [ 68.012542][ T4127] hci_dev_do_close+0x16c/0x1060 [ 68.013707][ T4127] hci_unregister_dev+0x248/0x4d4 [ 68.014952][ T4127] vhci_release+0x74/0xc4 [ 68.015926][ T4127] __fput+0x1c4/0x800 [ 68.016874][ T4127] ____fput+0x20/0x30 [ 68.017828][ T4127] task_work_run+0x130/0x1e4 [ 68.019012][ T4127] do_exit+0x670/0x20bc [ 68.020141][ T4127] do_group_exit+0x110/0x268 [ 68.021127][ T4127] get_signal+0x634/0x1550 [ 68.022264][ T4127] do_notify_resume+0x3d0/0x32b8 [ 68.023455][ T4127] el0_svc+0xfc/0x1f0 [ 68.024428][ T4127] el0t_64_sync_handler+0x84/0xe4 [ 68.025695][ T4127] el0t_64_sync+0x1a0/0x1a4 [ 68.026866][ T4127] [ 68.026866][ T4127] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 68.028580][ T4127] __mutex_lock_common+0x194/0x2154 [ 68.029940][ T4127] mutex_lock_nested+0xa4/0xf8 [ 68.031115][ T4127] bg_scan_update+0x9c/0x470 [ 68.032242][ T4127] process_one_work+0x790/0x11b8 [ 68.033387][ T4127] worker_thread+0x910/0x1034 [ 68.034477][ T4127] kthread+0x37c/0x45c [ 68.035556][ T4127] ret_from_fork+0x10/0x20 [ 68.036629][ T4127] [ 68.036629][ T4127] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 68.039089][ T4127] __lock_acquire+0x32d4/0x7638 [ 68.040238][ T4127] lock_acquire+0x240/0x77c [ 68.041317][ T4127] __flush_work+0xf8/0x1c0 [ 68.042383][ T4127] __cancel_work_timer+0x3ec/0x548 [ 68.043575][ T4127] cancel_work_sync+0x24/0x38 [ 68.044681][ T4127] hci_request_cancel_all+0xcc/0x2d0 [ 68.045938][ T4127] hci_dev_do_close+0x54/0x1060 [ 68.047136][ T4127] hci_rfkill_set_block+0xdc/0x1d0 [ 68.048391][ T4127] rfkill_set_block+0x18c/0x37c [ 68.049521][ T4127] rfkill_fop_write+0x594/0x750 [ 68.050672][ T4127] vfs_write+0x280/0xb44 [ 68.051784][ T4127] ksys_write+0x15c/0x26c [ 68.052850][ T4127] __arm64_sys_write+0x7c/0x90 [ 68.053950][ T4127] invoke_syscall+0x98/0x2b8 [ 68.055102][ T4127] el0_svc_common+0x138/0x258 [ 68.056236][ T4127] do_el0_svc+0x58/0x14c [ 68.057212][ T4127] el0_svc+0x7c/0x1f0 [ 68.058144][ T4127] el0t_64_sync_handler+0x84/0xe4 [ 68.059312][ T4127] el0t_64_sync+0x1a0/0x1a4 [ 68.060479][ T4127] [ 68.060479][ T4127] other info that might help us debug this: [ 68.060479][ T4127] [ 68.062704][ T4127] Chain exists of: [ 68.062704][ T4127] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 68.062704][ T4127] [ 68.065970][ T4127] Possible unsafe locking scenario: [ 68.065970][ T4127] [ 68.067511][ T4127] CPU0 CPU1 [ 68.068700][ T4127] ---- ---- [ 68.069789][ T4127] lock(rfkill_global_mutex); [ 68.070762][ T4127] lock(&data->open_mutex); [ 68.072368][ T4127] lock(rfkill_global_mutex); [ 68.073985][ T4127] lock((work_completion)(&hdev->bg_scan_update)); [ 68.075453][ T4127] [ 68.075453][ T4127] *** DEADLOCK *** [ 68.075453][ T4127] [ 68.077220][ T4127] 1 lock held by syz.0.15/4127: [ 68.078260][ T4127] #0: ffff800016e77268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.080410][ T4127] [ 68.080410][ T4127] stack backtrace: [ 68.081817][ T4127] CPU: 1 PID: 4127 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 68.083529][ T4127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 68.085640][ T4127] Call trace: [ 68.086335][ T4127] dump_backtrace+0x0/0x530 [ 68.087382][ T4127] show_stack+0x2c/0x3c [ 68.088383][ T4127] dump_stack_lvl+0x108/0x170 [ 68.089400][ T4127] dump_stack+0x1c/0x58 [ 68.090384][ T4127] print_circular_bug+0x150/0x1b8 [ 68.091572][ T4127] check_noncircular+0x2cc/0x378 [ 68.092614][ T4127] __lock_acquire+0x32d4/0x7638 [ 68.093708][ T4127] lock_acquire+0x240/0x77c [ 68.094664][ T4127] __flush_work+0xf8/0x1c0 [ 68.095702][ T4127] __cancel_work_timer+0x3ec/0x548 [ 68.096840][ T4127] cancel_work_sync+0x24/0x38 [ 68.097900][ T4127] hci_request_cancel_all+0xcc/0x2d0 [ 68.099108][ T4127] hci_dev_do_close+0x54/0x1060 [ 68.100098][ T4127] hci_rfkill_set_block+0xdc/0x1d0 [ 68.101234][ T4127] rfkill_set_block+0x18c/0x37c [ 68.102344][ T4127] rfkill_fop_write+0x594/0x750 [ 68.103488][ T4127] vfs_write+0x280/0xb44 [ 68.104463][ T4127] ksys_write+0x15c/0x26c [ 68.105363][ T4127] __arm64_sys_write+0x7c/0x90 [ 68.106433][ T4127] invoke_syscall+0x98/0x2b8 [ 68.107572][ T4127] el0_svc_common+0x138/0x258 [ 68.108590][ T4127] do_el0_svc+0x58/0x14c [ 68.109522][ T4127] el0_svc+0x7c/0x1f0 [ 68.110411][ T4127] el0t_64_sync_handler+0x84/0xe4 [ 68.111464][ T4127] el0t_64_sync+0x1a0/0x1a4