Warning: Permanently added '10.128.1.80' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:44 parsed 1 programs [ 47.435833][ T4023] cgroup: Unknown subsys name 'net' [ 47.713607][ T4023] cgroup: Unknown subsys name 'rlimit' [ 48.050295][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 58.049587][ T400] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.051330][ T400] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.053564][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.075346][ T400] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.077108][ T400] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.079930][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.781243][ T4074] chnl_net:caif_netlink_parms(): no params data found [ 58.824077][ T4074] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.825673][ T4074] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.828791][ T4074] device bridge_slave_0 entered promiscuous mode [ 58.832602][ T4074] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.834097][ T4074] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.836391][ T4074] device bridge_slave_1 entered promiscuous mode [ 58.854632][ T4074] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.860072][ T4074] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.876432][ T4074] team0: Port device team_slave_0 added [ 58.881189][ T4074] team0: Port device team_slave_1 added [ 58.894154][ T4074] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.895702][ T4074] 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. [ 58.902477][ T4074] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.906446][ T4074] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.908297][ T4074] 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. [ 58.913722][ T4074] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.970268][ T4074] device hsr_slave_0 entered promiscuous mode [ 59.008359][ T4074] device hsr_slave_1 entered promiscuous mode [ 59.137490][ T4074] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.181860][ T4074] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.230550][ T4074] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.270404][ T4074] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.383987][ T4074] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.391656][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.394460][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.403022][ T4074] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.407430][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.410580][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.412728][ T400] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.414381][ T400] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.416711][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.431760][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.434042][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.436227][ T400] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.437681][ T400] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.444471][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.464084][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.466667][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.469614][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.471909][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.475359][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.477714][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.482959][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.485266][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.487439][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.492923][ T4074] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.495355][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.576818][ T4074] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.581316][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.582990][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.597188][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.614502][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.617262][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.619649][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.623553][ T4074] device veth0_vlan entered promiscuous mode [ 59.630820][ T4074] device veth1_vlan entered promiscuous mode [ 59.647696][ T4074] device veth0_macvtap entered promiscuous mode [ 59.652536][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.654648][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.657010][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.659868][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.663873][ T4074] device veth1_macvtap entered promiscuous mode [ 59.676663][ T4074] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.678913][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.681431][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.686667][ T4074] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.689244][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.691603][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.696363][ T4074] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.698792][ T4074] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.700700][ T4074] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.702548][ T4074] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.073794][ T148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.785436][ T148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.894567][ T148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.946816][ T148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:05 executed programs: 0 [ 65.452736][ T4120] chnl_net:caif_netlink_parms(): no params data found [ 65.523785][ T4120] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.525365][ T4120] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.527442][ T4120] device bridge_slave_0 entered promiscuous mode [ 65.532852][ T4120] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.534471][ T4120] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.536596][ T4120] device bridge_slave_1 entered promiscuous mode [ 65.552812][ T4120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.556634][ T4120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.579252][ T4120] team0: Port device team_slave_0 added [ 65.582261][ T4120] team0: Port device team_slave_1 added [ 65.609257][ T4120] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.610776][ 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. [ 65.616024][ T4120] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.629477][ T4120] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.630849][ 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. [ 65.636248][ T4120] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.742777][ T4120] device hsr_slave_0 entered promiscuous mode [ 65.798863][ T4120] device hsr_slave_1 entered promiscuous mode [ 65.858094][ T4120] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.859894][ T4120] Cannot create hsr debugfs directory [ 66.476130][ T4120] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.511002][ T4120] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.560501][ T4120] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.600814][ T4120] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.732886][ T4120] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.739956][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.742145][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.746173][ T4120] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.791725][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.794025][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.796022][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.797666][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.801372][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.803959][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.806077][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.807531][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.812031][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.814442][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.831212][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.833319][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.836260][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.842004][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.844387][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.846624][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.852111][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.856904][ T4120] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.860335][ T4120] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.874288][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.876493][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.884197][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.987652][ T4120] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.993294][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.995035][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.009982][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.012371][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.025266][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.027408][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.030593][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.033383][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.037067][ T4120] device veth0_vlan entered promiscuous mode [ 67.044561][ T4120] device veth1_vlan entered promiscuous mode [ 67.065447][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.067546][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.070887][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.073513][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.077652][ T4120] device veth0_macvtap entered promiscuous mode [ 67.083746][ T4120] device veth1_macvtap entered promiscuous mode [ 67.097840][ T4120] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.101254][ T4120] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.104348][ T4120] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.105987][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.108947][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.111401][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.114081][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.119207][ T4120] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.121417][ T4120] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.124138][ T4120] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.127152][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.130260][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.134454][ T4120] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.136180][ T4120] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.139609][ T4120] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.141576][ T4120] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.195981][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.197731][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.201160][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.226608][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.228500][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.230839][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.389136][ T4130] Bluetooth: hci0: command 0x0409 tx timeout [ 67.425871][ T4213] [ 67.426443][ T4213] ====================================================== [ 67.427858][ T4213] WARNING: possible circular locking dependency detected [ 67.429278][ T4213] 5.15.171-syzkaller #0 Not tainted [ 67.430362][ T4213] ------------------------------------------------------ [ 67.431817][ T4213] syz.0.15/4213 is trying to acquire lock: [ 67.432947][ T4213] ffff0000d66bcc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 67.435166][ T4213] [ 67.435166][ T4213] but task is already holding lock: [ 67.436830][ T4213] ffff800016e86ee8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.439116][ T4213] [ 67.439116][ T4213] which lock already depends on the new lock. [ 67.439116][ T4213] [ 67.441435][ T4213] [ 67.441435][ T4213] the existing dependency chain (in reverse order) is: [ 67.443292][ T4213] [ 67.443292][ T4213] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.445051][ T4213] __mutex_lock_common+0x194/0x2154 [ 67.446253][ T4213] mutex_lock_nested+0xa4/0xf8 [ 67.447415][ T4213] rfkill_register+0x44/0x7a4 [ 67.448505][ T4213] hci_register_dev+0x3e0/0x880 [ 67.449716][ T4213] vhci_create_device+0x2c4/0x568 [ 67.450967][ T4213] vhci_write+0x318/0x3b8 [ 67.451961][ T4213] vfs_write+0x884/0xb44 [ 67.453029][ T4213] ksys_write+0x15c/0x26c [ 67.454032][ T4213] __arm64_sys_write+0x7c/0x90 [ 67.455159][ T4213] invoke_syscall+0x98/0x2b8 [ 67.456332][ T4213] el0_svc_common+0x138/0x258 [ 67.457469][ T4213] do_el0_svc+0x58/0x14c [ 67.458563][ T4213] el0_svc+0x7c/0x1f0 [ 67.459594][ T4213] el0t_64_sync_handler+0x84/0xe4 [ 67.460804][ T4213] el0t_64_sync+0x1a0/0x1a4 [ 67.461892][ T4213] [ 67.461892][ T4213] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.463512][ T4213] __mutex_lock_common+0x194/0x2154 [ 67.464749][ T4213] mutex_lock_nested+0xa4/0xf8 [ 67.465867][ T4213] vhci_send_frame+0x8c/0x10c [ 67.467003][ T4213] hci_send_frame+0x194/0x2f0 [ 67.468125][ T4213] hci_tx_work+0x9ac/0x16cc [ 67.469234][ T4213] process_one_work+0x790/0x11b8 [ 67.470502][ T4213] worker_thread+0x910/0x1034 [ 67.471572][ T4213] kthread+0x37c/0x45c [ 67.472509][ T4213] ret_from_fork+0x10/0x20 [ 67.473921][ T4213] [ 67.473921][ T4213] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.475871][ T4213] __flush_work+0xf8/0x1c0 [ 67.476943][ T4213] flush_work+0x24/0x38 [ 67.477969][ T4213] hci_dev_do_close+0x16c/0x1060 [ 67.479146][ T4213] hci_unregister_dev+0x248/0x4d4 [ 67.480331][ T4213] vhci_release+0x74/0xc4 [ 67.481332][ T4213] __fput+0x1c4/0x800 [ 67.482310][ T4213] ____fput+0x20/0x30 [ 67.483224][ T4213] task_work_run+0x130/0x1e4 [ 67.484380][ T4213] do_exit+0x670/0x20bc [ 67.485399][ T4213] do_group_exit+0x110/0x268 [ 67.486461][ T4213] get_signal+0x634/0x1550 [ 67.487546][ T4213] do_notify_resume+0x3d0/0x32b8 [ 67.488752][ T4213] el0_svc+0xfc/0x1f0 [ 67.489698][ T4213] el0t_64_sync_handler+0x84/0xe4 [ 67.490798][ T4213] el0t_64_sync+0x1a0/0x1a4 [ 67.491912][ T4213] [ 67.491912][ T4213] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.493666][ T4213] __mutex_lock_common+0x194/0x2154 [ 67.494923][ T4213] mutex_lock_nested+0xa4/0xf8 [ 67.496169][ T4213] bg_scan_update+0x9c/0x470 [ 67.497340][ T4213] process_one_work+0x790/0x11b8 [ 67.498466][ T4213] worker_thread+0x910/0x1034 [ 67.499583][ T4213] kthread+0x37c/0x45c [ 67.500473][ T4213] ret_from_fork+0x10/0x20 [ 67.501536][ T4213] [ 67.501536][ T4213] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 67.503580][ T4213] __lock_acquire+0x32d4/0x7638 [ 67.504805][ T4213] lock_acquire+0x240/0x77c [ 67.505979][ T4213] __flush_work+0xf8/0x1c0 [ 67.506979][ T4213] __cancel_work_timer+0x3ec/0x548 [ 67.508091][ T4213] cancel_work_sync+0x24/0x38 [ 67.509160][ T4213] hci_request_cancel_all+0xcc/0x2d0 [ 67.510444][ T4213] hci_dev_do_close+0x54/0x1060 [ 67.511488][ T4213] hci_rfkill_set_block+0xdc/0x1d0 [ 67.512645][ T4213] rfkill_set_block+0x18c/0x37c [ 67.513765][ T4213] rfkill_fop_write+0x594/0x750 [ 67.514898][ T4213] vfs_write+0x280/0xb44 [ 67.515910][ T4213] ksys_write+0x15c/0x26c [ 67.516993][ T4213] __arm64_sys_write+0x7c/0x90 [ 67.518177][ T4213] invoke_syscall+0x98/0x2b8 [ 67.519217][ T4213] el0_svc_common+0x138/0x258 [ 67.520404][ T4213] do_el0_svc+0x58/0x14c [ 67.521462][ T4213] el0_svc+0x7c/0x1f0 [ 67.522344][ T4213] el0t_64_sync_handler+0x84/0xe4 [ 67.523570][ T4213] el0t_64_sync+0x1a0/0x1a4 [ 67.524614][ T4213] [ 67.524614][ T4213] other info that might help us debug this: [ 67.524614][ T4213] [ 67.526918][ T4213] Chain exists of: [ 67.526918][ T4213] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.526918][ T4213] [ 67.530071][ T4213] Possible unsafe locking scenario: [ 67.530071][ T4213] [ 67.531301][ T4213] CPU0 CPU1 [ 67.532186][ T4213] ---- ---- [ 67.533083][ T4213] lock(rfkill_global_mutex); [ 67.533880][ T4213] lock(&data->open_mutex); [ 67.535258][ T4213] lock(rfkill_global_mutex); [ 67.536878][ T4213] lock((work_completion)(&hdev->bg_scan_update)); [ 67.538232][ T4213] [ 67.538232][ T4213] *** DEADLOCK *** [ 67.538232][ T4213] [ 67.539974][ T4213] 1 lock held by syz.0.15/4213: [ 67.540980][ T4213] #0: ffff800016e86ee8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.543089][ T4213] [ 67.543089][ T4213] stack backtrace: [ 67.544336][ T4213] CPU: 1 PID: 4213 Comm: syz.0.15 Not tainted 5.15.171-syzkaller #0 [ 67.545992][ T4213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 67.548010][ T4213] Call trace: [ 67.548719][ T4213] dump_backtrace+0x0/0x530 [ 67.549716][ T4213] show_stack+0x2c/0x3c [ 67.550675][ T4213] dump_stack_lvl+0x108/0x170 [ 67.551713][ T4213] dump_stack+0x1c/0x58 [ 67.552626][ T4213] print_circular_bug+0x150/0x1b8 [ 67.553743][ T4213] check_noncircular+0x2cc/0x378 [ 67.554960][ T4213] __lock_acquire+0x32d4/0x7638 [ 67.556060][ T4213] lock_acquire+0x240/0x77c [ 67.557038][ T4213] __flush_work+0xf8/0x1c0 [ 67.558007][ T4213] __cancel_work_timer+0x3ec/0x548 [ 67.559044][ T4213] cancel_work_sync+0x24/0x38 [ 67.560106][ T4213] hci_request_cancel_all+0xcc/0x2d0 [ 67.561170][ T4213] hci_dev_do_close+0x54/0x1060 [ 67.562162][ T4213] hci_rfkill_set_block+0xdc/0x1d0 [ 67.563312][ T4213] rfkill_set_block+0x18c/0x37c [ 67.564363][ T4213] rfkill_fop_write+0x594/0x750 [ 67.565404][ T4213] vfs_write+0x280/0xb44 [ 67.566279][ T4213] ksys_write+0x15c/0x26c [ 67.567159][ T4213] __arm64_sys_write+0x7c/0x90 [ 67.568202][ T4213] invoke_syscall+0x98/0x2b8 [ 67.569222][ T4213] el0_svc_common+0x138/0x258 [ 67.570265][ T4213] do_el0_svc+0x58/0x14c [ 67.571165][ T4213] el0_svc+0x7c/0x1f0 [ 67.572082][ T4213] el0t_64_sync_handler+0x84/0xe4 [ 67.573188][ T4213] el0t_64_sync+0x1a0/0x1a4