Warning: Permanently added '10.128.1.49' (ED25519) to the list of known hosts. 1970/01/01 00:00:37 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:38 parsed 1 programs [ 40.936724][ T4030] cgroup: Unknown subsys name 'net' [ 41.214499][ T4030] cgroup: Unknown subsys name 'rlimit' [ 41.535741][ T4030] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 43.386596][ T4051] chnl_net:caif_netlink_parms(): no params data found [ 43.427768][ T4051] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.429485][ T4051] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.431748][ T4051] device bridge_slave_0 entered promiscuous mode [ 43.435621][ T4051] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.437163][ T4051] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.439803][ T4051] device bridge_slave_1 entered promiscuous mode [ 43.459138][ T4051] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.462715][ T4051] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.477868][ T4051] team0: Port device team_slave_0 added [ 43.483750][ T4051] team0: Port device team_slave_1 added [ 43.496535][ T4051] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.498465][ T4051] 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. [ 43.503700][ T4051] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.507381][ T4051] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.508925][ T4051] 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. [ 43.514547][ T4051] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.590970][ T4051] device hsr_slave_0 entered promiscuous mode [ 43.628494][ T4051] device hsr_slave_1 entered promiscuous mode [ 43.760701][ T4051] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.813213][ T4051] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.862148][ T4051] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.900579][ T4051] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.959273][ T4051] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.961032][ T4051] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.962934][ T4051] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.964463][ T4051] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.033315][ T4051] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.040600][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.044223][ T1726] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.046618][ T1726] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.049659][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 44.056433][ T4051] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.072014][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.074001][ T1726] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.075680][ T1726] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.077613][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.081933][ T1726] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.083458][ T1726] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.090279][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.092690][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.101181][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.108769][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.114593][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.121130][ T4051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.196783][ T4051] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.201014][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.202723][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.217003][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.233802][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.236516][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.239401][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.243881][ T4051] device veth0_vlan entered promiscuous mode [ 44.252441][ T4051] device veth1_vlan entered promiscuous mode [ 44.272278][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.274615][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.276945][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.282239][ T4051] device veth0_macvtap entered promiscuous mode [ 44.286106][ T4051] device veth1_macvtap entered promiscuous mode [ 44.297103][ T4051] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.299982][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.302838][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.307690][ T4051] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.310952][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.315114][ T4051] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.317069][ T4051] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.319554][ T4051] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.321363][ T4051] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.157494][ T398] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.160250][ T398] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.162815][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.186400][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.188408][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.190678][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 45.492581][ T148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:45 executed programs: 0 [ 46.020841][ T4106] chnl_net:caif_netlink_parms(): no params data found [ 46.055198][ T4106] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.056795][ T4106] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.060174][ T4106] device bridge_slave_0 entered promiscuous mode [ 46.063590][ T4106] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.065312][ T4106] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.067567][ T4106] device bridge_slave_1 entered promiscuous mode [ 46.082982][ T4106] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.086935][ T4106] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.103102][ T4106] team0: Port device team_slave_0 added [ 46.106073][ T4106] team0: Port device team_slave_1 added [ 46.123264][ T4106] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.124799][ T4106] 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. [ 46.130753][ T4106] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.134221][ T4106] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.135755][ T4106] 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. [ 46.141425][ T4106] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.200195][ T4106] device hsr_slave_0 entered promiscuous mode [ 46.248529][ T4106] device hsr_slave_1 entered promiscuous mode [ 46.308325][ T4106] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 46.310296][ T4106] Cannot create hsr debugfs directory [ 47.949097][ T4048] Bluetooth: hci0: command 0x0409 tx timeout [ 48.206039][ T148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.796636][ T148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.836671][ T148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.018360][ T4050] Bluetooth: hci0: command 0x041b tx timeout [ 50.718189][ T4106] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.743601][ T4106] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.780307][ T4106] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.822617][ T4106] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.916252][ T4106] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.924306][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.926533][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.932336][ T4106] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.937117][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.940003][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.942516][ T398] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.944080][ T398] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.951399][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.953610][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.956023][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.958936][ T398] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.960490][ T398] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.962527][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.967480][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.972966][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.975805][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.979668][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.984405][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.986959][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.991927][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.994030][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.000866][ T4106] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.004034][ T4106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.045989][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.048816][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.117527][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.119412][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.127849][ T4106] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.140805][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.143295][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.156616][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.161600][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.163968][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.166262][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.170611][ T4106] device veth0_vlan entered promiscuous mode [ 51.176334][ T4106] device veth1_vlan entered promiscuous mode [ 51.191495][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.193837][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.196033][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.199239][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.203230][ T4106] device veth0_macvtap entered promiscuous mode [ 51.207101][ T4106] device veth1_macvtap entered promiscuous mode [ 51.218000][ T4106] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 51.221086][ T4106] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 51.224464][ T4106] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.226670][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.230058][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.232377][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.234870][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.239149][ T4106] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 51.241365][ T4106] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 51.244341][ T4106] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.246021][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.251074][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.256623][ T4106] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.258763][ T4106] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.260598][ T4106] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.262384][ T4106] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.305938][ T398] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.307803][ T398] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.320189][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.352900][ T1726] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.354740][ T1726] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.357264][ T1726] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.502664][ T4160] [ 51.503296][ T4160] ====================================================== [ 51.504824][ T4160] WARNING: possible circular locking dependency detected [ 51.506265][ T4160] 5.15.173-syzkaller #0 Not tainted [ 51.507305][ T4160] ------------------------------------------------------ [ 51.508921][ T4160] syz.0.15/4160 is trying to acquire lock: [ 51.510156][ T4160] ffff0000d4090c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 51.512608][ T4160] [ 51.512608][ T4160] but task is already holding lock: [ 51.514208][ T4160] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 51.516348][ T4160] [ 51.516348][ T4160] which lock already depends on the new lock. [ 51.516348][ T4160] [ 51.518643][ T4160] [ 51.518643][ T4160] the existing dependency chain (in reverse order) is: [ 51.520682][ T4160] [ 51.520682][ T4160] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 51.522324][ T4160] __mutex_lock_common+0x194/0x2154 [ 51.523461][ T4160] mutex_lock_nested+0xa4/0xf8 [ 51.524573][ T4160] rfkill_register+0x44/0x7a4 [ 51.525566][ T4160] hci_register_dev+0x3e0/0x880 [ 51.526715][ T4160] vhci_create_device+0x2c4/0x568 [ 51.527871][ T4160] vhci_write+0x318/0x3b8 [ 51.528842][ T4160] vfs_write+0x884/0xb44 [ 51.529892][ T4160] ksys_write+0x15c/0x26c [ 51.530922][ T4160] __arm64_sys_write+0x7c/0x90 [ 51.532189][ T4160] invoke_syscall+0x98/0x2b8 [ 51.533378][ T4160] el0_svc_common+0x138/0x258 [ 51.534457][ T4160] do_el0_svc+0x58/0x14c [ 51.535577][ T4160] el0_svc+0x7c/0x1f0 [ 51.536467][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 51.537634][ T4160] el0t_64_sync+0x1a0/0x1a4 [ 51.538590][ T4160] [ 51.538590][ T4160] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 51.540466][ T4160] __mutex_lock_common+0x194/0x2154 [ 51.541742][ T4160] mutex_lock_nested+0xa4/0xf8 [ 51.542842][ T4160] vhci_send_frame+0x8c/0x10c [ 51.544082][ T4160] hci_send_frame+0x194/0x2f0 [ 51.545215][ T4160] hci_tx_work+0x9ac/0x16cc [ 51.546206][ T4160] process_one_work+0x790/0x11b8 [ 51.547355][ T4160] worker_thread+0x910/0x1034 [ 51.548413][ T4160] kthread+0x37c/0x45c [ 51.549333][ T4160] ret_from_fork+0x10/0x20 [ 51.550442][ T4160] [ 51.550442][ T4160] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 51.552386][ T4160] __flush_work+0xf8/0x1c0 [ 51.553318][ T4160] flush_work+0x24/0x38 [ 51.554305][ T4160] hci_dev_do_close+0x16c/0x1060 [ 51.555468][ T4160] hci_unregister_dev+0x248/0x4d4 [ 51.556609][ T4160] vhci_release+0x74/0xc4 [ 51.557680][ T4160] __fput+0x1c4/0x800 [ 51.558664][ T4160] ____fput+0x20/0x30 [ 51.559663][ T4160] task_work_run+0x130/0x1e4 [ 51.560713][ T4160] do_exit+0x670/0x20bc [ 51.561693][ T4160] do_group_exit+0x110/0x268 [ 51.562842][ T4160] get_signal+0x634/0x1550 [ 51.563847][ T4160] do_notify_resume+0x3d0/0x32b8 [ 51.564964][ T4160] el0_svc+0xfc/0x1f0 [ 51.565935][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 51.567151][ T4160] el0t_64_sync+0x1a0/0x1a4 [ 51.568235][ T4160] [ 51.568235][ T4160] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 51.569884][ T4160] __mutex_lock_common+0x194/0x2154 [ 51.571072][ T4160] mutex_lock_nested+0xa4/0xf8 [ 51.572169][ T4160] bg_scan_update+0x9c/0x470 [ 51.573287][ T4160] process_one_work+0x790/0x11b8 [ 51.574480][ T4160] worker_thread+0x910/0x1034 [ 51.575632][ T4160] kthread+0x37c/0x45c [ 51.576584][ T4160] ret_from_fork+0x10/0x20 [ 51.577822][ T4160] [ 51.577822][ T4160] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 51.579927][ T4160] __lock_acquire+0x32d4/0x7638 [ 51.581217][ T4160] lock_acquire+0x240/0x77c [ 51.582337][ T4160] __flush_work+0xf8/0x1c0 [ 51.583452][ T4160] __cancel_work_timer+0x3ec/0x548 [ 51.584692][ T4160] cancel_work_sync+0x24/0x38 [ 51.585881][ T4160] hci_request_cancel_all+0xcc/0x2d0 [ 51.587156][ T4160] hci_dev_do_close+0x54/0x1060 [ 51.588392][ T4160] hci_rfkill_set_block+0xdc/0x1d0 [ 51.589703][ T4160] rfkill_set_block+0x18c/0x37c [ 51.590789][ T4160] rfkill_fop_write+0x594/0x750 [ 51.591978][ T4160] vfs_write+0x280/0xb44 [ 51.593023][ T4160] ksys_write+0x15c/0x26c [ 51.594022][ T4160] __arm64_sys_write+0x7c/0x90 [ 51.595172][ T4160] invoke_syscall+0x98/0x2b8 [ 51.596285][ T4160] el0_svc_common+0x138/0x258 [ 51.597404][ T4160] do_el0_svc+0x58/0x14c [ 51.598355][ T4160] el0_svc+0x7c/0x1f0 [ 51.599270][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 51.600523][ T4160] el0t_64_sync+0x1a0/0x1a4 [ 51.601557][ T4160] [ 51.601557][ T4160] other info that might help us debug this: [ 51.601557][ T4160] [ 51.603738][ T4160] Chain exists of: [ 51.603738][ T4160] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 51.603738][ T4160] [ 51.607325][ T4160] Possible unsafe locking scenario: [ 51.607325][ T4160] [ 51.608987][ T4160] CPU0 CPU1 [ 51.610156][ T4160] ---- ---- [ 51.611288][ T4160] lock(rfkill_global_mutex); [ 51.612256][ T4160] lock(&data->open_mutex); [ 51.613818][ T4160] lock(rfkill_global_mutex); [ 51.615539][ T4160] lock((work_completion)(&hdev->bg_scan_update)); [ 51.617010][ T4160] [ 51.617010][ T4160] *** DEADLOCK *** [ 51.617010][ T4160] [ 51.618797][ T4160] 1 lock held by syz.0.15/4160: [ 51.619750][ T4160] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 51.621783][ T4160] [ 51.621783][ T4160] stack backtrace: [ 51.622996][ T4160] CPU: 1 PID: 4160 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 51.624603][ T4160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 51.626638][ T4160] Call trace: [ 51.627265][ T4160] dump_backtrace+0x0/0x530 [ 51.628188][ T4160] show_stack+0x2c/0x3c [ 51.628997][ T4160] dump_stack_lvl+0x108/0x170 [ 51.629938][ T4160] dump_stack+0x1c/0x58 [ 51.630763][ T4160] print_circular_bug+0x150/0x1b8 [ 51.631740][ T4160] check_noncircular+0x2cc/0x378 [ 51.632741][ T4160] __lock_acquire+0x32d4/0x7638 [ 51.633714][ T4160] lock_acquire+0x240/0x77c [ 51.634609][ T4160] __flush_work+0xf8/0x1c0 [ 51.635468][ T4160] __cancel_work_timer+0x3ec/0x548 [ 51.636497][ T4160] cancel_work_sync+0x24/0x38 [ 51.637493][ T4160] hci_request_cancel_all+0xcc/0x2d0 [ 51.638498][ T4160] hci_dev_do_close+0x54/0x1060 [ 51.639464][ T4160] hci_rfkill_set_block+0xdc/0x1d0 [ 51.640500][ T4160] rfkill_set_block+0x18c/0x37c [ 51.641461][ T4160] rfkill_fop_write+0x594/0x750 [ 51.642469][ T4160] vfs_write+0x280/0xb44 [ 51.643301][ T4160] ksys_write+0x15c/0x26c [ 51.644126][ T4160] __arm64_sys_write+0x7c/0x90 [ 51.645093][ T4160] invoke_syscall+0x98/0x2b8 [ 51.646071][ T4160] el0_svc_common+0x138/0x258 [ 51.647048][ T4160] do_el0_svc+0x58/0x14c [ 51.647925][ T4160] el0_svc+0x7c/0x1f0 [ 51.648767][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 51.649804][ T4160] el0t_64_sync+0x1a0/0x1a4