Warning: Permanently added '10.128.0.199' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:47 parsed 1 programs [ 49.666908][ T4023] cgroup: Unknown subsys name 'net' [ 49.911184][ T4023] cgroup: Unknown subsys name 'rlimit' [ 50.238614][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 58.826626][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.828442][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.833024][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.849618][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.851231][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.853392][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.967023][ T4073] chnl_net:caif_netlink_parms(): no params data found [ 60.008329][ T4073] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.009908][ T4073] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.012140][ T4073] device bridge_slave_0 entered promiscuous mode [ 60.017446][ T4073] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.019006][ T4073] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.021123][ T4073] device bridge_slave_1 entered promiscuous mode [ 60.038943][ T4073] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.042922][ T4073] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.059456][ T4073] team0: Port device team_slave_0 added [ 60.062518][ T4073] team0: Port device team_slave_1 added [ 60.077963][ T4073] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.079461][ T4073] 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. [ 60.085009][ T4073] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.089300][ T4073] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.090807][ T4073] 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. [ 60.097566][ T4073] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.159003][ T4073] device hsr_slave_0 entered promiscuous mode [ 60.217142][ T4073] device hsr_slave_1 entered promiscuous mode [ 60.347994][ T4073] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.429245][ T4073] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.467936][ T4073] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.508354][ T4073] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.573329][ T4073] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.575042][ T4073] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.577091][ T4073] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.578702][ T4073] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.622740][ T4073] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.631034][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.634054][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.636632][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.639105][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.649166][ T4073] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.654756][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.658177][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.659775][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.664780][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.669088][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.670563][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.683335][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.688149][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.693416][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.700682][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.706458][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.711276][ T4073] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.790745][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.792516][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.799568][ T4073] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.812738][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.825978][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.828607][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.830720][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.834810][ T4073] device veth0_vlan entered promiscuous mode [ 60.843816][ T4073] device veth1_vlan entered promiscuous mode [ 60.863458][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.866276][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.868581][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.872826][ T4073] device veth0_macvtap entered promiscuous mode [ 60.877785][ T4073] device veth1_macvtap entered promiscuous mode [ 60.889478][ T4073] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.891279][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.894240][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.903074][ T4073] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.906773][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.912031][ T4073] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.913971][ T4073] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.917285][ T4073] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.919120][ T4073] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:01 executed programs: 0 [ 61.430005][ T4120] chnl_net:caif_netlink_parms(): no params data found [ 61.466677][ T4120] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.468217][ T4120] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.470329][ T4120] device bridge_slave_0 entered promiscuous mode [ 61.473604][ T4120] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.475155][ T4120] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.478134][ T4120] device bridge_slave_1 entered promiscuous mode [ 61.493775][ T4120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.497833][ T4120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.512840][ T4120] team0: Port device team_slave_0 added [ 61.516469][ T4120] team0: Port device team_slave_1 added [ 61.529634][ T4120] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.530944][ T4120] 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. [ 61.537006][ T4120] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.540999][ T4120] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.542397][ T4120] 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. [ 61.547756][ T4120] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.617687][ T4120] device hsr_slave_0 entered promiscuous mode [ 61.655763][ T4120] device hsr_slave_1 entered promiscuous mode [ 61.715662][ T4120] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.717440][ T4120] Cannot create hsr debugfs directory [ 61.804681][ T4120] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.395926][ T4095] Bluetooth: hci1: command 0x0409 tx timeout [ 64.535777][ T4120] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.475524][ T4095] Bluetooth: hci1: command 0x041b tx timeout [ 66.682093][ T4120] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.758096][ T4120] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.979914][ T4120] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.027332][ T4120] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.077844][ T4120] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.137798][ T4120] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.231627][ T4120] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.242153][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.244125][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.251586][ T4120] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.260163][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.262359][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.264377][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.265891][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.274965][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.278132][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.280200][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.282386][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.284020][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.286763][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.298738][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.301331][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.304295][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.307041][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.309295][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.311616][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.318006][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.328858][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.334930][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.337927][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.349615][ T4120] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.555580][ T4097] Bluetooth: hci1: command 0x040f tx timeout [ 67.680612][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.682354][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.689937][ T4120] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.704195][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.706962][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.721598][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.724195][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.727487][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.737856][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.740521][ T4120] device veth0_vlan entered promiscuous mode [ 67.747119][ T4120] device veth1_vlan entered promiscuous mode [ 67.760758][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.763000][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.765020][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.768578][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.772483][ T4120] device veth0_macvtap entered promiscuous mode [ 67.777479][ T4120] device veth1_macvtap entered promiscuous mode [ 67.788890][ T4120] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.791127][ T4120] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.794003][ T4120] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.796625][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.798715][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.800663][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.802831][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.806669][ T4120] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.808810][ T4120] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.811561][ T4120] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.814469][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.816877][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.820484][ T4120] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.822442][ T4120] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.824238][ T4120] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.826304][ T4120] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.867944][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.869565][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.871933][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.891010][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.892837][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.895144][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.008987][ T4132] [ 68.009680][ T4132] ====================================================== [ 68.011156][ T4132] WARNING: possible circular locking dependency detected [ 68.012630][ T4132] 5.15.172-syzkaller #0 Not tainted [ 68.013716][ T4132] ------------------------------------------------------ [ 68.015353][ T4132] syz.0.15/4132 is trying to acquire lock: [ 68.016596][ T4132] ffff0000dbd60c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 68.018936][ T4132] [ 68.018936][ T4132] but task is already holding lock: [ 68.020528][ T4132] ffff800016e77228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.022541][ T4132] [ 68.022541][ T4132] which lock already depends on the new lock. [ 68.022541][ T4132] [ 68.024743][ T4132] [ 68.024743][ T4132] the existing dependency chain (in reverse order) is: [ 68.026691][ T4132] [ 68.026691][ T4132] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 68.028371][ T4132] __mutex_lock_common+0x194/0x2154 [ 68.029624][ T4132] mutex_lock_nested+0xa4/0xf8 [ 68.030772][ T4132] rfkill_register+0x44/0x7a4 [ 68.031885][ T4132] hci_register_dev+0x3e0/0x880 [ 68.033015][ T4132] vhci_create_device+0x2c4/0x568 [ 68.034157][ T4132] vhci_write+0x318/0x3b8 [ 68.035163][ T4132] vfs_write+0x884/0xb44 [ 68.036186][ T4132] ksys_write+0x15c/0x26c [ 68.037199][ T4132] __arm64_sys_write+0x7c/0x90 [ 68.038423][ T4132] invoke_syscall+0x98/0x2b8 [ 68.039444][ T4132] el0_svc_common+0x138/0x258 [ 68.040572][ T4132] do_el0_svc+0x58/0x14c [ 68.041603][ T4132] el0_svc+0x7c/0x1f0 [ 68.042589][ T4132] el0t_64_sync_handler+0x84/0xe4 [ 68.043705][ T4132] el0t_64_sync+0x1a0/0x1a4 [ 68.044702][ T4132] [ 68.044702][ T4132] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 68.046282][ T4132] __mutex_lock_common+0x194/0x2154 [ 68.047560][ T4132] mutex_lock_nested+0xa4/0xf8 [ 68.048581][ T4132] vhci_send_frame+0x8c/0x10c [ 68.049702][ T4132] hci_send_frame+0x194/0x2f0 [ 68.050652][ T4132] hci_tx_work+0x9ac/0x16cc [ 68.051690][ T4132] process_one_work+0x790/0x11b8 [ 68.052912][ T4132] worker_thread+0x910/0x1034 [ 68.053948][ T4132] kthread+0x37c/0x45c [ 68.054901][ T4132] ret_from_fork+0x10/0x20 [ 68.056023][ T4132] [ 68.056023][ T4132] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 68.058006][ T4132] __flush_work+0xf8/0x1c0 [ 68.059011][ T4132] flush_work+0x24/0x38 [ 68.059999][ T4132] hci_dev_do_close+0x16c/0x1060 [ 68.061127][ T4132] hci_unregister_dev+0x248/0x4d4 [ 68.062389][ T4132] vhci_release+0x74/0xc4 [ 68.063417][ T4132] __fput+0x1c4/0x800 [ 68.064394][ T4132] ____fput+0x20/0x30 [ 68.065345][ T4132] task_work_run+0x130/0x1e4 [ 68.066580][ T4132] do_exit+0x670/0x20bc [ 68.067634][ T4132] do_group_exit+0x110/0x268 [ 68.068722][ T4132] get_signal+0x634/0x1550 [ 68.069714][ T4132] do_notify_resume+0x3d0/0x32b8 [ 68.070833][ T4132] el0_svc+0xfc/0x1f0 [ 68.071763][ T4132] el0t_64_sync_handler+0x84/0xe4 [ 68.073004][ T4132] el0t_64_sync+0x1a0/0x1a4 [ 68.074143][ T4132] [ 68.074143][ T4132] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 68.075766][ T4132] __mutex_lock_common+0x194/0x2154 [ 68.076912][ T4132] mutex_lock_nested+0xa4/0xf8 [ 68.078055][ T4132] bg_scan_update+0x9c/0x470 [ 68.079088][ T4132] process_one_work+0x790/0x11b8 [ 68.080367][ T4132] worker_thread+0x910/0x1034 [ 68.081513][ T4132] kthread+0x37c/0x45c [ 68.082353][ T4132] ret_from_fork+0x10/0x20 [ 68.083470][ T4132] [ 68.083470][ T4132] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 68.085603][ T4132] __lock_acquire+0x32d4/0x7638 [ 68.086775][ T4132] lock_acquire+0x240/0x77c [ 68.087821][ T4132] __flush_work+0xf8/0x1c0 [ 68.088968][ T4132] __cancel_work_timer+0x3ec/0x548 [ 68.090148][ T4132] cancel_work_sync+0x24/0x38 [ 68.091347][ T4132] hci_request_cancel_all+0xcc/0x2d0 [ 68.092618][ T4132] hci_dev_do_close+0x54/0x1060 [ 68.093761][ T4132] hci_rfkill_set_block+0xdc/0x1d0 [ 68.094960][ T4132] rfkill_set_block+0x18c/0x37c [ 68.096183][ T4132] rfkill_fop_write+0x594/0x750 [ 68.097344][ T4132] vfs_write+0x280/0xb44 [ 68.098294][ T4132] ksys_write+0x15c/0x26c [ 68.099192][ T4132] __arm64_sys_write+0x7c/0x90 [ 68.100276][ T4132] invoke_syscall+0x98/0x2b8 [ 68.101290][ T4132] el0_svc_common+0x138/0x258 [ 68.102446][ T4132] do_el0_svc+0x58/0x14c [ 68.103492][ T4132] el0_svc+0x7c/0x1f0 [ 68.104415][ T4132] el0t_64_sync_handler+0x84/0xe4 [ 68.105673][ T4132] el0t_64_sync+0x1a0/0x1a4 [ 68.106703][ T4132] [ 68.106703][ T4132] other info that might help us debug this: [ 68.106703][ T4132] [ 68.108862][ T4132] Chain exists of: [ 68.108862][ T4132] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 68.108862][ T4132] [ 68.112333][ T4132] Possible unsafe locking scenario: [ 68.112333][ T4132] [ 68.113901][ T4132] CPU0 CPU1 [ 68.114929][ T4132] ---- ---- [ 68.116090][ T4132] lock(rfkill_global_mutex); [ 68.117010][ T4132] lock(&data->open_mutex); [ 68.118484][ T4132] lock(rfkill_global_mutex); [ 68.119882][ T4132] lock((work_completion)(&hdev->bg_scan_update)); [ 68.121222][ T4132] [ 68.121222][ T4132] *** DEADLOCK *** [ 68.121222][ T4132] [ 68.122939][ T4132] 1 lock held by syz.0.15/4132: [ 68.123997][ T4132] #0: ffff800016e77228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.126106][ T4132] [ 68.126106][ T4132] stack backtrace: [ 68.127351][ T4132] CPU: 0 PID: 4132 Comm: syz.0.15 Not tainted 5.15.172-syzkaller #0 [ 68.128919][ T4132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 68.131132][ T4132] Call trace: [ 68.131761][ T4132] dump_backtrace+0x0/0x530 [ 68.132695][ T4132] show_stack+0x2c/0x3c [ 68.133593][ T4132] dump_stack_lvl+0x108/0x170 [ 68.134541][ T4132] dump_stack+0x1c/0x58 [ 68.135392][ T4132] print_circular_bug+0x150/0x1b8 [ 68.136491][ T4132] check_noncircular+0x2cc/0x378 [ 68.137536][ T4132] __lock_acquire+0x32d4/0x7638 [ 68.138554][ T4132] lock_acquire+0x240/0x77c [ 68.139577][ T4132] __flush_work+0xf8/0x1c0 [ 68.140476][ T4132] __cancel_work_timer+0x3ec/0x548 [ 68.141526][ T4132] cancel_work_sync+0x24/0x38 [ 68.142483][ T4132] hci_request_cancel_all+0xcc/0x2d0 [ 68.143672][ T4132] hci_dev_do_close+0x54/0x1060 [ 68.144688][ T4132] hci_rfkill_set_block+0xdc/0x1d0 [ 68.145797][ T4132] rfkill_set_block+0x18c/0x37c [ 68.146836][ T4132] rfkill_fop_write+0x594/0x750 [ 68.147820][ T4132] vfs_write+0x280/0xb44 [ 68.148658][ T4132] ksys_write+0x15c/0x26c [ 68.149576][ T4132] __arm64_sys_write+0x7c/0x90 [ 68.150623][ T4132] invoke_syscall+0x98/0x2b8 [ 68.151524][ T4132] el0_svc_common+0x138/0x258 [ 68.152498][ T4132] do_el0_svc+0x58/0x14c [ 68.153390][ T4132] el0_svc+0x7c/0x1f0 [ 68.154178][ T4132] el0t_64_sync_handler+0x84/0xe4 [ 68.155403][ T4132] el0t_64_sync+0x1a0/0x1a4