Warning: Permanently added '10.128.0.114' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:46 parsed 1 programs [ 48.835379][ T4023] cgroup: Unknown subsys name 'net' [ 49.071615][ T4023] cgroup: Unknown subsys name 'rlimit' [ 49.451376][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.101381][ T382] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.103164][ T382] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.111997][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.136499][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.138264][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.140867][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.502900][ T4071] chnl_net:caif_netlink_parms(): no params data found [ 56.548231][ T4071] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.549977][ T4071] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.552214][ T4071] device bridge_slave_0 entered promiscuous mode [ 56.607531][ T4071] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.609309][ T4071] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.611686][ T4071] device bridge_slave_1 entered promiscuous mode [ 56.628381][ T4071] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.633593][ T4071] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.651222][ T4071] team0: Port device team_slave_0 added [ 56.654757][ T4071] team0: Port device team_slave_1 added [ 56.671787][ T4071] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.673332][ T4071] 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. [ 56.679391][ T4071] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.683761][ T4071] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.686833][ T4071] 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. [ 56.692414][ T4071] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.757645][ T4071] device hsr_slave_0 entered promiscuous mode [ 56.795626][ T4071] device hsr_slave_1 entered promiscuous mode [ 56.959561][ T4071] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.020559][ T4071] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.069057][ T4071] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.153471][ T4071] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.273527][ T4071] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.282158][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.284981][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.294338][ T4071] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.300076][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.302228][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.304786][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.306517][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.312586][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.327618][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.330141][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.332756][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.334356][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.339290][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.342860][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.348204][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.351208][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.353702][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.362386][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.366157][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.368682][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.370833][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.378422][ T4071] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.381588][ T4071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.384609][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.387000][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.466055][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.467800][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.472003][ T4071] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.490924][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 57.493628][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.509662][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 57.511945][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.514918][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.518378][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.522663][ T4071] device veth0_vlan entered promiscuous mode [ 57.531860][ T4071] device veth1_vlan entered promiscuous mode [ 57.548010][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.550436][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.552823][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.555700][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.560876][ T4071] device veth0_macvtap entered promiscuous mode [ 57.564989][ T4071] device veth1_macvtap entered promiscuous mode [ 57.578940][ T4071] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.582974][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.587092][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 57.590543][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.593007][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.599313][ T4071] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.602111][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.604535][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.611127][ T4071] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.613057][ T4071] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.615019][ T4071] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.617461][ T4071] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:58 executed programs: 0 [ 58.530496][ T4113] chnl_net:caif_netlink_parms(): no params data found [ 58.565962][ T4113] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.567608][ T4113] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.569853][ T4113] device bridge_slave_0 entered promiscuous mode [ 58.574140][ T4113] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.576132][ T4113] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.578537][ T4113] device bridge_slave_1 entered promiscuous mode [ 58.600842][ T4113] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.606414][ T4113] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.622879][ T4113] team0: Port device team_slave_0 added [ 58.626348][ T4113] team0: Port device team_slave_1 added [ 58.639974][ T4113] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.641433][ T4113] 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. [ 58.647198][ T4113] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.650790][ T4113] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.652133][ T4113] 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. [ 58.657689][ T4113] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.727150][ T4113] device hsr_slave_0 entered promiscuous mode [ 58.765461][ T4113] device hsr_slave_1 entered promiscuous mode [ 58.805565][ T4113] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.807508][ T4113] Cannot create hsr debugfs directory [ 58.893487][ T4113] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.436053][ T4028] Bluetooth: hci0: command 0x0409 tx timeout [ 61.362058][ T4113] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.525228][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 63.127591][ T4113] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.183615][ T4113] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.377492][ T4113] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.398613][ T4113] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.438348][ T4113] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.467306][ T4113] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.564769][ T4113] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.573642][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.576980][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.581779][ T4113] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.586777][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.589125][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.591321][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.592782][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.594793][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.600685][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.603269][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.605501][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.607054][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.612901][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.620934][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.659809][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.662942][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.668019][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.672903][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.675688][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.681399][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.683762][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.690107][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.692464][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.699169][ T4113] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.769804][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.771521][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.777721][ T4113] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.791931][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.794395][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.816390][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.818818][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.821354][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.823642][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.829921][ T4113] device veth0_vlan entered promiscuous mode [ 63.836961][ T4113] device veth1_vlan entered promiscuous mode [ 63.851242][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.853424][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.857116][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.859483][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.863840][ T4113] device veth0_macvtap entered promiscuous mode [ 63.868995][ T4113] device veth1_macvtap entered promiscuous mode [ 63.879632][ T4113] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.882079][ T4113] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.885966][ T4113] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.889541][ T4113] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.891813][ T4113] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.894898][ T4113] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.897702][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.900103][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.902206][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.904648][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.908980][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.911309][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.918681][ T4113] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.920804][ T4113] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.922594][ T4113] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.924393][ T4113] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.988434][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.994027][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.001991][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.008077][ T382] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.010512][ T382] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.014029][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.048548][ T4127] [ 64.049100][ T4127] ====================================================== [ 64.050556][ T4127] WARNING: possible circular locking dependency detected [ 64.052083][ T4127] 5.15.173-syzkaller #0 Not tainted [ 64.053184][ T4127] ------------------------------------------------------ [ 64.054623][ T4127] syz.0.15/4127 is trying to acquire lock: [ 64.055776][ T4127] ffff0000dc01cc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 64.058062][ T4127] [ 64.058062][ T4127] but task is already holding lock: [ 64.059767][ T4127] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.061867][ T4127] [ 64.061867][ T4127] which lock already depends on the new lock. [ 64.061867][ T4127] [ 64.064074][ T4127] [ 64.064074][ T4127] the existing dependency chain (in reverse order) is: [ 64.066058][ T4127] [ 64.066058][ T4127] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 64.067727][ T4127] __mutex_lock_common+0x194/0x2154 [ 64.069101][ T4127] mutex_lock_nested+0xa4/0xf8 [ 64.070254][ T4127] rfkill_register+0x44/0x7a4 [ 64.071345][ T4127] hci_register_dev+0x3e0/0x880 [ 64.072577][ T4127] vhci_create_device+0x2c4/0x568 [ 64.073900][ T4127] vhci_write+0x318/0x3b8 [ 64.074971][ T4127] vfs_write+0x884/0xb44 [ 64.076105][ T4127] ksys_write+0x15c/0x26c [ 64.077210][ T4127] __arm64_sys_write+0x7c/0x90 [ 64.078527][ T4127] invoke_syscall+0x98/0x2b8 [ 64.079690][ T4127] el0_svc_common+0x138/0x258 [ 64.080820][ T4127] do_el0_svc+0x58/0x14c [ 64.081959][ T4127] el0_svc+0x7c/0x1f0 [ 64.082877][ T4127] el0t_64_sync_handler+0x84/0xe4 [ 64.084049][ T4127] el0t_64_sync+0x1a0/0x1a4 [ 64.085073][ T4127] [ 64.085073][ T4127] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 64.086848][ T4127] __mutex_lock_common+0x194/0x2154 [ 64.087976][ T4127] mutex_lock_nested+0xa4/0xf8 [ 64.088992][ T4127] vhci_send_frame+0x8c/0x10c [ 64.090032][ T4127] hci_send_frame+0x194/0x2f0 [ 64.091118][ T4127] hci_tx_work+0x9ac/0x16cc [ 64.092176][ T4127] process_one_work+0x790/0x11b8 [ 64.093398][ T4127] worker_thread+0x910/0x1034 [ 64.094517][ T4127] kthread+0x37c/0x45c [ 64.095470][ T4127] ret_from_fork+0x10/0x20 [ 64.096626][ T4127] [ 64.096626][ T4127] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 64.098523][ T4127] __flush_work+0xf8/0x1c0 [ 64.099535][ T4127] flush_work+0x24/0x38 [ 64.100491][ T4127] hci_dev_do_close+0x16c/0x1060 [ 64.101733][ T4127] hci_unregister_dev+0x248/0x4d4 [ 64.102968][ T4127] vhci_release+0x74/0xc4 [ 64.103988][ T4127] __fput+0x1c4/0x800 [ 64.105013][ T4127] ____fput+0x20/0x30 [ 64.106118][ T4127] task_work_run+0x130/0x1e4 [ 64.107269][ T4127] do_exit+0x670/0x20bc [ 64.108222][ T4127] do_group_exit+0x110/0x268 [ 64.109150][ T4127] get_signal+0x634/0x1550 [ 64.110162][ T4127] do_notify_resume+0x3d0/0x32b8 [ 64.111347][ T4127] el0_svc+0xfc/0x1f0 [ 64.112234][ T4127] el0t_64_sync_handler+0x84/0xe4 [ 64.113539][ T4127] el0t_64_sync+0x1a0/0x1a4 [ 64.114619][ T4127] [ 64.114619][ T4127] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 64.116243][ T4127] __mutex_lock_common+0x194/0x2154 [ 64.117423][ T4127] mutex_lock_nested+0xa4/0xf8 [ 64.118637][ T4127] bg_scan_update+0x9c/0x470 [ 64.119751][ T4127] process_one_work+0x790/0x11b8 [ 64.120906][ T4127] worker_thread+0x910/0x1034 [ 64.122079][ T4127] kthread+0x37c/0x45c [ 64.123035][ T4127] ret_from_fork+0x10/0x20 [ 64.124138][ T4127] [ 64.124138][ T4127] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 64.126125][ T4127] __lock_acquire+0x32d4/0x7638 [ 64.127217][ T4127] lock_acquire+0x240/0x77c [ 64.128277][ T4127] __flush_work+0xf8/0x1c0 [ 64.129401][ T4127] __cancel_work_timer+0x3ec/0x548 [ 64.130585][ T4127] cancel_work_sync+0x24/0x38 [ 64.131704][ T4127] hci_request_cancel_all+0xcc/0x2d0 [ 64.132892][ T4127] hci_dev_do_close+0x54/0x1060 [ 64.134021][ T4127] hci_rfkill_set_block+0xdc/0x1d0 [ 64.135269][ T4127] rfkill_set_block+0x18c/0x37c [ 64.136439][ T4127] rfkill_fop_write+0x594/0x750 [ 64.137618][ T4127] vfs_write+0x280/0xb44 [ 64.138573][ T4127] ksys_write+0x15c/0x26c [ 64.139582][ T4127] __arm64_sys_write+0x7c/0x90 [ 64.140658][ T4127] invoke_syscall+0x98/0x2b8 [ 64.141722][ T4127] el0_svc_common+0x138/0x258 [ 64.142862][ T4127] do_el0_svc+0x58/0x14c [ 64.143958][ T4127] el0_svc+0x7c/0x1f0 [ 64.144948][ T4127] el0t_64_sync_handler+0x84/0xe4 [ 64.146116][ T4127] el0t_64_sync+0x1a0/0x1a4 [ 64.147238][ T4127] [ 64.147238][ T4127] other info that might help us debug this: [ 64.147238][ T4127] [ 64.149600][ T4127] Chain exists of: [ 64.149600][ T4127] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 64.149600][ T4127] [ 64.152950][ T4127] Possible unsafe locking scenario: [ 64.152950][ T4127] [ 64.154655][ T4127] CPU0 CPU1 [ 64.155706][ T4127] ---- ---- [ 64.156976][ T4127] lock(rfkill_global_mutex); [ 64.157996][ T4127] lock(&data->open_mutex); [ 64.159522][ T4127] lock(rfkill_global_mutex); [ 64.161002][ T4127] lock((work_completion)(&hdev->bg_scan_update)); [ 64.162409][ T4127] [ 64.162409][ T4127] *** DEADLOCK *** [ 64.162409][ T4127] [ 64.164019][ T4127] 1 lock held by syz.0.15/4127: [ 64.165079][ T4127] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.167334][ T4127] [ 64.167334][ T4127] stack backtrace: [ 64.168459][ T4127] CPU: 1 PID: 4127 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 64.170451][ T4127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 64.172799][ T4127] Call trace: [ 64.173428][ T4127] dump_backtrace+0x0/0x530 [ 64.174531][ T4127] show_stack+0x2c/0x3c [ 64.175460][ T4127] dump_stack_lvl+0x108/0x170 [ 64.176473][ T4127] dump_stack+0x1c/0x58 [ 64.177308][ T4127] print_circular_bug+0x150/0x1b8 [ 64.178335][ T4127] check_noncircular+0x2cc/0x378 [ 64.179282][ T4127] __lock_acquire+0x32d4/0x7638 [ 64.180249][ T4127] lock_acquire+0x240/0x77c [ 64.181258][ T4127] __flush_work+0xf8/0x1c0 [ 64.182207][ T4127] __cancel_work_timer+0x3ec/0x548 [ 64.183193][ T4127] cancel_work_sync+0x24/0x38 [ 64.184128][ T4127] hci_request_cancel_all+0xcc/0x2d0 [ 64.185300][ T4127] hci_dev_do_close+0x54/0x1060 [ 64.186289][ T4127] hci_rfkill_set_block+0xdc/0x1d0 [ 64.187476][ T4127] rfkill_set_block+0x18c/0x37c [ 64.188670][ T4127] rfkill_fop_write+0x594/0x750 [ 64.189849][ T4127] vfs_write+0x280/0xb44 [ 64.190780][ T4127] ksys_write+0x15c/0x26c [ 64.191697][ T4127] __arm64_sys_write+0x7c/0x90 [ 64.192717][ T4127] invoke_syscall+0x98/0x2b8 [ 64.193676][ T4127] el0_svc_common+0x138/0x258 [ 64.194689][ T4127] do_el0_svc+0x58/0x14c [ 64.195607][ T4127] el0_svc+0x7c/0x1f0 [ 64.196422][ T4127] el0t_64_sync_handler+0x84/0xe4 [ 64.197462][ T4127] el0t_64_sync+0x1a0/0x1a4