Warning: Permanently added '10.128.0.252' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 48.453525][ T4024] cgroup: Unknown subsys name 'net' [ 48.730073][ T4024] cgroup: Unknown subsys name 'rlimit' [ 49.054348][ T4024] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 51.340815][ T4054] chnl_net:caif_netlink_parms(): no params data found [ 51.381876][ T4054] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.384355][ T4054] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.386924][ T4054] device bridge_slave_0 entered promiscuous mode [ 51.394397][ T4054] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.396080][ T4054] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.398466][ T4054] device bridge_slave_1 entered promiscuous mode [ 51.415662][ T4054] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.419969][ T4054] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.436765][ T4054] team0: Port device team_slave_0 added [ 51.440075][ T4054] team0: Port device team_slave_1 added [ 51.458131][ T4054] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.459791][ T4054] 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. [ 51.467276][ T4054] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.471581][ T4054] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.473309][ T4054] 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. [ 51.479127][ T4054] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.555536][ T4054] device hsr_slave_0 entered promiscuous mode [ 51.593633][ T4054] device hsr_slave_1 entered promiscuous mode [ 51.763518][ T4054] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.817713][ T4054] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.867237][ T4054] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.917013][ T4054] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.001152][ T4054] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.002939][ T4054] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.005271][ T4054] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.007035][ T4054] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.059669][ T4054] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.070405][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.076101][ T153] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.079478][ T153] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.082398][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.091665][ T4054] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.098288][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.101035][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.102721][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.124286][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.126842][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.128533][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.131771][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.135123][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.140196][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.151331][ T4054] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 52.153962][ T4054] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 52.158179][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.160976][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.165245][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.236413][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.238225][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.245412][ T4054] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.259381][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.272259][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.275572][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.278040][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.282367][ T4054] device veth0_vlan entered promiscuous mode [ 52.290621][ T4054] device veth1_vlan entered promiscuous mode [ 52.306837][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.309315][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.311827][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.317787][ T4054] device veth0_macvtap entered promiscuous mode [ 52.322165][ T4054] device veth1_macvtap entered promiscuous mode [ 52.335258][ T4054] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.337224][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.339740][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.344881][ T4054] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.346639][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.349115][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.355886][ T4054] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.358037][ T4054] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.359833][ T4054] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.361835][ T4054] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.517507][ T1628] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.519635][ T1628] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.522271][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.553184][ T1628] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.556413][ T1628] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.559177][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 53.226451][ T1865] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.591046][ T1865] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.180197][ T1865] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.243035][ T1865] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:58 executed programs: 0 [ 58.840268][ T4128] chnl_net:caif_netlink_parms(): no params data found [ 58.876419][ T4128] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.878159][ T4128] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.880567][ T4128] device bridge_slave_0 entered promiscuous mode [ 58.890213][ T4128] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.892117][ T4128] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.894771][ T4128] device bridge_slave_1 entered promiscuous mode [ 58.911879][ T4128] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.917537][ T4128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.937425][ T4128] team0: Port device team_slave_0 added [ 58.940567][ T4128] team0: Port device team_slave_1 added [ 58.955253][ T4128] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.957048][ T4128] 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. [ 58.962844][ T4128] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.966993][ T4128] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.968548][ T4128] 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. [ 58.975019][ T4128] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.035453][ T4128] device hsr_slave_0 entered promiscuous mode [ 59.116035][ T4128] device hsr_slave_1 entered promiscuous mode [ 59.163538][ T4128] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.165584][ T4128] Cannot create hsr debugfs directory [ 59.654733][ T4128] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.705689][ T4128] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.746597][ T4128] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.795488][ T4128] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.837890][ T4128] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.839711][ T4128] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.841518][ T4128] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.843209][ T4128] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.885423][ T4128] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.887675][ T1628] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.890086][ T1628] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.896939][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.910587][ T4128] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.914464][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.916834][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.921511][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.924500][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.926788][ T1628] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.928444][ T1628] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.936601][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.939096][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.941505][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.943312][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.990529][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.995016][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.001521][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.005145][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.008079][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.012466][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.016457][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.029328][ T4128] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.031673][ T4128] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.037421][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.040143][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.042648][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.051024][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.053920][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.171061][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.172953][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.181984][ T4128] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.198155][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.200863][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.216892][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.219199][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.221934][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.225776][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.229811][ T4128] device veth0_vlan entered promiscuous mode [ 60.236571][ T4128] device veth1_vlan entered promiscuous mode [ 60.276768][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.279219][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.281509][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.287659][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.292184][ T4128] device veth0_macvtap entered promiscuous mode [ 60.298266][ T4128] device veth1_macvtap entered promiscuous mode [ 60.310984][ T4128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.314052][ T4128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.317118][ T4128] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.318828][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.321085][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.325706][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.328505][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.334409][ T4128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 60.336871][ T4128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.339969][ T4128] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.342247][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.346808][ T1628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.352011][ T4128] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.355734][ T4128] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.358308][ T4128] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.360359][ T4128] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.421154][ T1628] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.423200][ T1628] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.427546][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.454442][ T1628] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.456316][ T1628] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.459052][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.639631][ T4219] [ 60.640297][ T4219] ====================================================== [ 60.641938][ T4219] WARNING: possible circular locking dependency detected [ 60.643521][ T4219] 5.15.173-syzkaller #0 Not tainted [ 60.644679][ T4219] ------------------------------------------------------ [ 60.646254][ T4219] syz.0.15/4219 is trying to acquire lock: [ 60.647595][ T4219] ffff0000d6e14c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 60.650138][ T4219] [ 60.650138][ T4219] but task is already holding lock: [ 60.651800][ T4219] ffff800016e77268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 60.653971][ T4219] [ 60.653971][ T4219] which lock already depends on the new lock. [ 60.653971][ T4219] [ 60.656363][ T4219] [ 60.656363][ T4219] the existing dependency chain (in reverse order) is: [ 60.658466][ T4219] [ 60.658466][ T4219] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 60.660374][ T4219] __mutex_lock_common+0x194/0x2154 [ 60.661620][ T4219] mutex_lock_nested+0xa4/0xf8 [ 60.662916][ T4219] rfkill_register+0x44/0x7a4 [ 60.664083][ T4219] hci_register_dev+0x3e0/0x880 [ 60.665189][ T4219] vhci_create_device+0x2c4/0x568 [ 60.666406][ T4219] vhci_write+0x318/0x3b8 [ 60.667421][ T4219] vfs_write+0x884/0xb44 [ 60.668551][ T4219] ksys_write+0x15c/0x26c [ 60.669725][ T4219] __arm64_sys_write+0x7c/0x90 [ 60.670947][ T4219] invoke_syscall+0x98/0x2b8 [ 60.672048][ T4219] el0_svc_common+0x138/0x258 [ 60.673157][ T4219] do_el0_svc+0x58/0x14c [ 60.674143][ T4219] el0_svc+0x7c/0x1f0 [ 60.675282][ T4219] el0t_64_sync_handler+0x84/0xe4 [ 60.676546][ T4219] el0t_64_sync+0x1a0/0x1a4 [ 60.677693][ T4219] [ 60.677693][ T4219] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 60.679537][ T4219] __mutex_lock_common+0x194/0x2154 [ 60.680880][ T4219] mutex_lock_nested+0xa4/0xf8 [ 60.682036][ T4219] vhci_send_frame+0x8c/0x10c [ 60.683161][ T4219] hci_send_frame+0x194/0x2f0 [ 60.684350][ T4219] hci_tx_work+0x9ac/0x16cc [ 60.685477][ T4219] process_one_work+0x790/0x11b8 [ 60.686670][ T4219] worker_thread+0x910/0x1034 [ 60.687839][ T4219] kthread+0x37c/0x45c [ 60.688957][ T4219] ret_from_fork+0x10/0x20 [ 60.690019][ T4219] [ 60.690019][ T4219] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 60.691996][ T4219] __flush_work+0xf8/0x1c0 [ 60.693126][ T4219] flush_work+0x24/0x38 [ 60.694214][ T4219] hci_dev_do_close+0x16c/0x1060 [ 60.695411][ T4219] hci_unregister_dev+0x248/0x4d4 [ 60.696652][ T4219] vhci_release+0x74/0xc4 [ 60.697780][ T4219] __fput+0x1c4/0x800 [ 60.698747][ T4219] ____fput+0x20/0x30 [ 60.699803][ T4219] task_work_run+0x130/0x1e4 [ 60.700943][ T4219] do_exit+0x670/0x20bc [ 60.701920][ T4219] do_group_exit+0x110/0x268 [ 60.703047][ T4219] get_signal+0x634/0x1550 [ 60.704120][ T4219] do_notify_resume+0x3d0/0x32b8 [ 60.705460][ T4219] el0_svc+0xfc/0x1f0 [ 60.706493][ T4219] el0t_64_sync_handler+0x84/0xe4 [ 60.707782][ T4219] el0t_64_sync+0x1a0/0x1a4 [ 60.708913][ T4219] [ 60.708913][ T4219] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 60.710739][ T4219] __mutex_lock_common+0x194/0x2154 [ 60.712068][ T4219] mutex_lock_nested+0xa4/0xf8 [ 60.713315][ T4219] bg_scan_update+0x9c/0x470 [ 60.714504][ T4219] process_one_work+0x790/0x11b8 [ 60.715687][ T4219] worker_thread+0x910/0x1034 [ 60.716845][ T4219] kthread+0x37c/0x45c [ 60.717901][ T4219] ret_from_fork+0x10/0x20 [ 60.719085][ T4219] [ 60.719085][ T4219] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 60.721450][ T4219] __lock_acquire+0x32d4/0x7638 [ 60.722693][ T4219] lock_acquire+0x240/0x77c [ 60.723833][ T4219] __flush_work+0xf8/0x1c0 [ 60.724993][ T4219] __cancel_work_timer+0x3ec/0x548 [ 60.726286][ T4219] cancel_work_sync+0x24/0x38 [ 60.727552][ T4219] hci_request_cancel_all+0xcc/0x2d0 [ 60.728945][ T4219] hci_dev_do_close+0x54/0x1060 [ 60.730267][ T4219] hci_rfkill_set_block+0xdc/0x1d0 [ 60.731704][ T4219] rfkill_set_block+0x18c/0x37c [ 60.732984][ T4219] rfkill_fop_write+0x594/0x750 [ 60.734234][ T4219] vfs_write+0x280/0xb44 [ 60.735490][ T4219] ksys_write+0x15c/0x26c [ 60.736603][ T4219] __arm64_sys_write+0x7c/0x90 [ 60.737862][ T4219] invoke_syscall+0x98/0x2b8 [ 60.739126][ T4219] el0_svc_common+0x138/0x258 [ 60.740277][ T4219] do_el0_svc+0x58/0x14c [ 60.741341][ T4219] el0_svc+0x7c/0x1f0 [ 60.742494][ T4219] el0t_64_sync_handler+0x84/0xe4 [ 60.743785][ T4219] el0t_64_sync+0x1a0/0x1a4 [ 60.744903][ T4219] [ 60.744903][ T4219] other info that might help us debug this: [ 60.744903][ T4219] [ 60.747227][ T4219] Chain exists of: [ 60.747227][ T4219] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 60.747227][ T4219] [ 60.750897][ T4219] Possible unsafe locking scenario: [ 60.750897][ T4219] [ 60.752591][ T4219] CPU0 CPU1 [ 60.753860][ T4219] ---- ---- [ 60.755021][ T4219] lock(rfkill_global_mutex); [ 60.756168][ T4219] lock(&data->open_mutex); [ 60.757802][ T4219] lock(rfkill_global_mutex); [ 60.759531][ T4219] lock((work_completion)(&hdev->bg_scan_update)); [ 60.761126][ T4219] [ 60.761126][ T4219] *** DEADLOCK *** [ 60.761126][ T4219] [ 60.762966][ T4219] 1 lock held by syz.0.15/4219: [ 60.764100][ T4219] #0: ffff800016e77268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 60.766279][ T4219] [ 60.766279][ T4219] stack backtrace: [ 60.767628][ T4219] CPU: 1 PID: 4219 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 60.769506][ T4219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 60.771791][ T4219] Call trace: [ 60.772585][ T4219] dump_backtrace+0x0/0x530 [ 60.773706][ T4219] show_stack+0x2c/0x3c [ 60.774751][ T4219] dump_stack_lvl+0x108/0x170 [ 60.775804][ T4219] dump_stack+0x1c/0x58 [ 60.776748][ T4219] print_circular_bug+0x150/0x1b8 [ 60.778040][ T4219] check_noncircular+0x2cc/0x378 [ 60.779279][ T4219] __lock_acquire+0x32d4/0x7638 [ 60.780403][ T4219] lock_acquire+0x240/0x77c [ 60.781472][ T4219] __flush_work+0xf8/0x1c0 [ 60.782510][ T4219] __cancel_work_timer+0x3ec/0x548 [ 60.783625][ T4060] Bluetooth: hci0: command 0x0409 tx timeout [ 60.783626][ T4219] cancel_work_sync+0x24/0x38 [ 60.783641][ T4219] hci_request_cancel_all+0xcc/0x2d0 [ 60.787328][ T4219] hci_dev_do_close+0x54/0x1060 [ 60.788523][ T4219] hci_rfkill_set_block+0xdc/0x1d0 [ 60.789708][ T4219] rfkill_set_block+0x18c/0x37c [ 60.790923][ T4219] rfkill_fop_write+0x594/0x750 [ 60.792024][ T4219] vfs_write+0x280/0xb44 [ 60.792968][ T4219] ksys_write+0x15c/0x26c [ 60.793966][ T4219] __arm64_sys_write+0x7c/0x90 [ 60.795090][ T4219] invoke_syscall+0x98/0x2b8 [ 60.796099][ T4219] el0_svc_common+0x138/0x258 [ 60.797139][ T4219] do_el0_svc+0x58/0x14c [ 60.798075][ T4219] el0_svc+0x7c/0x1f0 [ 60.798968][ T4219] el0t_64_sync_handler+0x84/0xe4 [ 60.800111][ T4219] el0t_64_sync+0x1a0/0x1a4