Warning: Permanently added '10.128.1.143' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:46 parsed 1 programs [ 49.529409][ T4023] cgroup: Unknown subsys name 'net' [ 49.780688][ T4023] cgroup: Unknown subsys name 'rlimit' [ 50.123553][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 59.915112][ T383] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.916858][ T383] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.919494][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.932183][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.933874][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.936256][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.386478][ T4049] chnl_net:caif_netlink_parms(): no params data found [ 60.428644][ T4049] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.430252][ T4049] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.432456][ T4049] device bridge_slave_0 entered promiscuous mode [ 60.436639][ T4049] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.437979][ T4049] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.440143][ T4049] device bridge_slave_1 entered promiscuous mode [ 60.463694][ T4049] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.469036][ T4049] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.485437][ T4049] team0: Port device team_slave_0 added [ 60.488361][ T4049] team0: Port device team_slave_1 added [ 60.500909][ T4049] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.502328][ T4049] 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. [ 60.507881][ T4049] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.513712][ T4049] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.515447][ T4049] 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. [ 60.520732][ T4049] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.576450][ T4049] device hsr_slave_0 entered promiscuous mode [ 60.614480][ T4049] device hsr_slave_1 entered promiscuous mode [ 60.733290][ T4049] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.826792][ T4049] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.867010][ T4049] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.928243][ T4049] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.118213][ T4049] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.125109][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.127802][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.133798][ T4049] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.166967][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.170860][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.173089][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.174641][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.177322][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.187125][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.189434][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.191438][ T383] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.192957][ T383] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.197275][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.202160][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.207678][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.210481][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.212852][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.220442][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.222724][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.272141][ T4049] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.275423][ T4049] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.278649][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.280797][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.283216][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.287531][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.295069][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.365151][ T4049] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.367469][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.369037][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.382075][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.389363][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.401678][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.403786][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.409210][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.411588][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.415971][ T4049] device veth0_vlan entered promiscuous mode [ 61.422391][ T4049] device veth1_vlan entered promiscuous mode [ 61.441859][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.443843][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.447437][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.449943][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.454363][ T4049] device veth0_macvtap entered promiscuous mode [ 61.459244][ T4049] device veth1_macvtap entered promiscuous mode [ 61.472237][ T4049] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.473863][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.477293][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.479320][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.481595][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.487514][ T4049] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.490405][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.492701][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.500108][ T4049] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.501966][ T4049] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.503626][ T4049] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.506731][ T4049] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:02 executed programs: 0 [ 62.953201][ T136] ODEBUG: Out of memory. ODEBUG disabled [ 63.037580][ T4102] chnl_net:caif_netlink_parms(): no params data found [ 63.062804][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.081850][ T4102] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.083291][ T4102] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.086941][ T4102] device bridge_slave_0 entered promiscuous mode [ 63.089803][ T4102] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.091320][ T4102] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.093486][ T4102] device bridge_slave_1 entered promiscuous mode [ 63.110840][ T4102] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.116167][ T4102] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.132232][ T4102] team0: Port device team_slave_0 added [ 63.136926][ T4102] team0: Port device team_slave_1 added [ 63.148149][ T4102] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.149558][ T4102] 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. [ 63.155639][ T4102] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.159035][ T4102] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.160516][ T4102] 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. [ 63.167125][ T4102] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.226089][ T4102] device hsr_slave_0 entered promiscuous mode [ 63.264416][ T4102] device hsr_slave_1 entered promiscuous mode [ 63.304332][ T4102] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.306007][ T4102] Cannot create hsr debugfs directory [ 64.764701][ T4048] Bluetooth: hci1: command 0x0409 tx timeout [ 65.790833][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.691561][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.750633][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.844373][ T7] Bluetooth: hci1: command 0x041b tx timeout [ 67.659143][ T4102] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.696127][ T4102] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.745931][ T4102] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.785728][ T4102] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.877099][ T4102] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.882945][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.885248][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.889570][ T4102] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.893404][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.896365][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.898395][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.899822][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.901686][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.906405][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.908440][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.910445][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.911823][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.916308][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.920695][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.925579][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.928429][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.930738][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.935140][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.937606][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.941687][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.943625][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.948867][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.950942][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.955569][ T4102] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.015639][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.017328][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.022746][ T4102] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.033294][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.035856][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.046290][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.048269][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.050390][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.052273][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.056584][ T4102] device veth0_vlan entered promiscuous mode [ 68.061953][ T4102] device veth1_vlan entered promiscuous mode [ 68.077347][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.079326][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.081397][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.083515][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.087545][ T4102] device veth0_macvtap entered promiscuous mode [ 68.090976][ T4102] device veth1_macvtap entered promiscuous mode [ 68.099634][ T4102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 68.101797][ T4102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 68.105398][ T4102] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.107111][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.109237][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.111335][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.114677][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.118594][ T4102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 68.120746][ T4102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 68.123478][ T4102] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.128268][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.130487][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.135035][ T4102] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.136840][ T4102] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.138528][ T4102] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.140375][ T4102] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.174190][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.175857][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.177940][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.236218][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.237868][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.240065][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.302787][ T4153] [ 68.303420][ T4153] ====================================================== [ 68.304863][ T4153] WARNING: possible circular locking dependency detected [ 68.306298][ T4153] 5.15.171-syzkaller #0 Not tainted [ 68.307283][ T4153] ------------------------------------------------------ [ 68.308718][ T4153] syz.0.15/4153 is trying to acquire lock: [ 68.309821][ T4153] ffff0000d65a4c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 68.312117][ T4153] [ 68.312117][ T4153] but task is already holding lock: [ 68.313636][ T4153] ffff800016e86ee8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.315568][ T4153] [ 68.315568][ T4153] which lock already depends on the new lock. [ 68.315568][ T4153] [ 68.317666][ T4153] [ 68.317666][ T4153] the existing dependency chain (in reverse order) is: [ 68.319611][ T4153] [ 68.319611][ T4153] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 68.321176][ T4153] __mutex_lock_common+0x194/0x2154 [ 68.322407][ T4153] mutex_lock_nested+0xa4/0xf8 [ 68.323527][ T4153] rfkill_register+0x44/0x7a4 [ 68.324536][ T4153] hci_register_dev+0x3e0/0x880 [ 68.325632][ T4153] vhci_create_device+0x2c4/0x568 [ 68.326757][ T4153] vhci_write+0x318/0x3b8 [ 68.327808][ T4153] vfs_write+0x884/0xb44 [ 68.328721][ T4153] ksys_write+0x15c/0x26c [ 68.329618][ T4153] __arm64_sys_write+0x7c/0x90 [ 68.330664][ T4153] invoke_syscall+0x98/0x2b8 [ 68.331701][ T4153] el0_svc_common+0x138/0x258 [ 68.332680][ T4153] do_el0_svc+0x58/0x14c [ 68.333695][ T4153] el0_svc+0x7c/0x1f0 [ 68.334628][ T4153] el0t_64_sync_handler+0x84/0xe4 [ 68.335808][ T4153] el0t_64_sync+0x1a0/0x1a4 [ 68.336849][ T4153] [ 68.336849][ T4153] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 68.338414][ T4153] __mutex_lock_common+0x194/0x2154 [ 68.339613][ T4153] mutex_lock_nested+0xa4/0xf8 [ 68.340785][ T4153] vhci_send_frame+0x8c/0x10c [ 68.341727][ T4153] hci_send_frame+0x194/0x2f0 [ 68.342919][ T4153] hci_tx_work+0x9ac/0x16cc [ 68.343912][ T4153] process_one_work+0x790/0x11b8 [ 68.345024][ T4153] worker_thread+0x910/0x1034 [ 68.346166][ T4153] kthread+0x37c/0x45c [ 68.347034][ T4153] ret_from_fork+0x10/0x20 [ 68.348069][ T4153] [ 68.348069][ T4153] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 68.349915][ T4153] __flush_work+0xf8/0x1c0 [ 68.350915][ T4153] flush_work+0x24/0x38 [ 68.351885][ T4153] hci_dev_do_close+0x16c/0x1060 [ 68.353001][ T4153] hci_unregister_dev+0x248/0x4d4 [ 68.354128][ T4153] vhci_release+0x74/0xc4 [ 68.355051][ T4153] __fput+0x1c4/0x800 [ 68.355901][ T4153] ____fput+0x20/0x30 [ 68.356764][ T4153] task_work_run+0x130/0x1e4 [ 68.357747][ T4153] do_exit+0x670/0x20bc [ 68.358653][ T4153] do_group_exit+0x110/0x268 [ 68.359587][ T4153] get_signal+0x634/0x1550 [ 68.360572][ T4153] do_notify_resume+0x3d0/0x32b8 [ 68.361683][ T4153] el0_svc+0xfc/0x1f0 [ 68.362548][ T4153] el0t_64_sync_handler+0x84/0xe4 [ 68.363635][ T4153] el0t_64_sync+0x1a0/0x1a4 [ 68.364738][ T4153] [ 68.364738][ T4153] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 68.366418][ T4153] __mutex_lock_common+0x194/0x2154 [ 68.367570][ T4153] mutex_lock_nested+0xa4/0xf8 [ 68.368620][ T4153] bg_scan_update+0x9c/0x470 [ 68.369612][ T4153] process_one_work+0x790/0x11b8 [ 68.370643][ T4153] worker_thread+0x910/0x1034 [ 68.371750][ T4153] kthread+0x37c/0x45c [ 68.372605][ T4153] ret_from_fork+0x10/0x20 [ 68.373745][ T4153] [ 68.373745][ T4153] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 68.375705][ T4153] __lock_acquire+0x32d4/0x7638 [ 68.376850][ T4153] lock_acquire+0x240/0x77c [ 68.377865][ T4153] __flush_work+0xf8/0x1c0 [ 68.378840][ T4153] __cancel_work_timer+0x3ec/0x548 [ 68.380013][ T4153] cancel_work_sync+0x24/0x38 [ 68.381047][ T4153] hci_request_cancel_all+0xcc/0x2d0 [ 68.382239][ T4153] hci_dev_do_close+0x54/0x1060 [ 68.383429][ T4153] hci_rfkill_set_block+0xdc/0x1d0 [ 68.384636][ T4153] rfkill_set_block+0x18c/0x37c [ 68.385706][ T4153] rfkill_fop_write+0x594/0x750 [ 68.386763][ T4153] vfs_write+0x280/0xb44 [ 68.387840][ T4153] ksys_write+0x15c/0x26c [ 68.388874][ T4153] __arm64_sys_write+0x7c/0x90 [ 68.390029][ T4153] invoke_syscall+0x98/0x2b8 [ 68.391031][ T4153] el0_svc_common+0x138/0x258 [ 68.392076][ T4153] do_el0_svc+0x58/0x14c [ 68.393083][ T4153] el0_svc+0x7c/0x1f0 [ 68.393948][ T4153] el0t_64_sync_handler+0x84/0xe4 [ 68.395039][ T4153] el0t_64_sync+0x1a0/0x1a4 [ 68.396013][ T4153] [ 68.396013][ T4153] other info that might help us debug this: [ 68.396013][ T4153] [ 68.397951][ T4153] Chain exists of: [ 68.397951][ T4153] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 68.397951][ T4153] [ 68.401117][ T4153] Possible unsafe locking scenario: [ 68.401117][ T4153] [ 68.402608][ T4153] CPU0 CPU1 [ 68.403632][ T4153] ---- ---- [ 68.404606][ T4153] lock(rfkill_global_mutex); [ 68.405629][ T4153] lock(&data->open_mutex); [ 68.407160][ T4153] lock(rfkill_global_mutex); [ 68.408651][ T4153] lock((work_completion)(&hdev->bg_scan_update)); [ 68.409876][ T4153] [ 68.409876][ T4153] *** DEADLOCK *** [ 68.409876][ T4153] [ 68.411557][ T4153] 1 lock held by syz.0.15/4153: [ 68.412615][ T4153] #0: ffff800016e86ee8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.414778][ T4153] [ 68.414778][ T4153] stack backtrace: [ 68.415907][ T4153] CPU: 0 PID: 4153 Comm: syz.0.15 Not tainted 5.15.171-syzkaller #0 [ 68.417552][ T4153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 68.419571][ T4153] Call trace: [ 68.420179][ T4153] dump_backtrace+0x0/0x530 [ 68.421065][ T4153] show_stack+0x2c/0x3c [ 68.421942][ T4153] dump_stack_lvl+0x108/0x170 [ 68.422860][ T4153] dump_stack+0x1c/0x58 [ 68.423700][ T4153] print_circular_bug+0x150/0x1b8 [ 68.424710][ T4153] check_noncircular+0x2cc/0x378 [ 68.425696][ T4153] __lock_acquire+0x32d4/0x7638 [ 68.426667][ T4153] lock_acquire+0x240/0x77c [ 68.427556][ T4153] __flush_work+0xf8/0x1c0 [ 68.428572][ T4153] __cancel_work_timer+0x3ec/0x548 [ 68.429600][ T4153] cancel_work_sync+0x24/0x38 [ 68.430554][ T4153] hci_request_cancel_all+0xcc/0x2d0 [ 68.431544][ T4153] hci_dev_do_close+0x54/0x1060 [ 68.432507][ T4153] hci_rfkill_set_block+0xdc/0x1d0 [ 68.433632][ T4153] rfkill_set_block+0x18c/0x37c [ 68.434597][ T4153] rfkill_fop_write+0x594/0x750 [ 68.435615][ T4153] vfs_write+0x280/0xb44 [ 68.436625][ T4153] ksys_write+0x15c/0x26c [ 68.437596][ T4153] __arm64_sys_write+0x7c/0x90 [ 68.438520][ T4153] invoke_syscall+0x98/0x2b8 [ 68.439530][ T4153] el0_svc_common+0x138/0x258 [ 68.440532][ T4153] do_el0_svc+0x58/0x14c [ 68.441343][ T4153] el0_svc+0x7c/0x1f0 [ 68.442107][ T4153] el0t_64_sync_handler+0x84/0xe4 [ 68.443102][ T4153] el0t_64_sync+0x1a0/0x1a4