Warning: Permanently added '10.128.1.88' (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 [ 47.428917][ T4024] cgroup: Unknown subsys name 'net' [ 47.672329][ T4024] cgroup: Unknown subsys name 'rlimit' [ 48.073158][ T4024] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 54.673976][ T4039] chnl_net:caif_netlink_parms(): no params data found [ 54.715955][ T4039] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.717613][ T4039] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.719895][ T4039] device bridge_slave_0 entered promiscuous mode [ 54.724454][ T4039] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.726105][ T4039] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.728108][ T4039] device bridge_slave_1 entered promiscuous mode [ 54.752512][ T4039] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.756370][ T4039] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.771686][ T4039] team0: Port device team_slave_0 added [ 54.774588][ T4039] team0: Port device team_slave_1 added [ 54.787857][ T4039] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.789431][ T4039] 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. [ 54.794690][ T4039] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.802521][ T4039] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.804042][ T4039] 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. [ 54.809492][ T4039] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.867261][ T4039] device hsr_slave_0 entered promiscuous mode [ 54.905280][ T4039] device hsr_slave_1 entered promiscuous mode [ 55.034307][ T4039] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.088002][ T4039] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.130935][ T4039] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.177151][ T4039] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.245915][ T4039] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.247470][ T4039] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.249351][ T4039] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.250758][ T4039] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.294173][ T4039] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.303117][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.307376][ T342] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.309933][ T342] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.312469][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.322732][ T4039] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.329248][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.331288][ T1695] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.332704][ T1695] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.338172][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.340271][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.341763][ T342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.356080][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.358216][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.370311][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.377209][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.382446][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.387492][ T4039] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.485949][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.487535][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.492663][ T4039] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.508116][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.523256][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.526336][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.528494][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.532942][ T4039] device veth0_vlan entered promiscuous mode [ 55.541797][ T4039] device veth1_vlan entered promiscuous mode [ 55.560186][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.562561][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.564706][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.571328][ T4039] device veth0_macvtap entered promiscuous mode [ 55.576506][ T4039] device veth1_macvtap entered promiscuous mode [ 55.588150][ T4039] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.589887][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.592590][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.599627][ T4039] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.601317][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.608014][ T4039] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.609861][ T4039] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.611636][ T4039] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.613484][ T4039] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.882677][ T342] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.884568][ T342] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.889173][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.909145][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.910860][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.913238][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.879039][ T280] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:57 executed programs: 0 [ 58.124192][ T4106] chnl_net:caif_netlink_parms(): no params data found [ 58.159892][ T4106] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.161540][ T4106] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.163891][ T4106] device bridge_slave_0 entered promiscuous mode [ 58.168907][ T4106] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.170400][ T4106] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.172619][ T4106] device bridge_slave_1 entered promiscuous mode [ 58.189137][ T4106] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.193000][ T4106] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.209214][ T4106] team0: Port device team_slave_0 added [ 58.212213][ T4106] team0: Port device team_slave_1 added [ 58.224659][ T4106] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.226270][ 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. [ 58.231428][ T4106] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.235607][ T4106] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.236967][ 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. [ 58.242257][ T4106] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.297091][ T4106] device hsr_slave_0 entered promiscuous mode [ 58.345274][ T4106] device hsr_slave_1 entered promiscuous mode [ 58.385054][ T4106] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.387020][ T4106] Cannot create hsr debugfs directory [ 59.232499][ T280] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.095582][ T4029] Bluetooth: hci0: command 0x0409 tx timeout [ 61.211355][ T280] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.254237][ T280] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.165271][ T4029] Bluetooth: hci0: command 0x041b tx timeout [ 62.194762][ T4106] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.247489][ T4106] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.287424][ T4106] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.327505][ T4106] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.418267][ T4106] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.461287][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.463458][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.467924][ T4106] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.472140][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.474429][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.476554][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.477965][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.480163][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.484738][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.487280][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.489429][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.490825][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.498843][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.503598][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.510632][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.513138][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.516958][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.521988][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.524440][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.529790][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.532019][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.537178][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.539552][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.544796][ T4106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.616244][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.617978][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.624107][ T4106] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.638491][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.641050][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.676508][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.678710][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.681129][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.683238][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.687772][ T4106] device veth0_vlan entered promiscuous mode [ 62.694669][ T4106] device veth1_vlan entered promiscuous mode [ 62.709508][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.711769][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.713978][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.717037][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.722141][ T4106] device veth0_macvtap entered promiscuous mode [ 62.727422][ T4106] device veth1_macvtap entered promiscuous mode [ 62.738337][ T4106] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.740694][ T4106] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.743863][ T4106] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.748563][ T4106] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.750668][ T4106] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.753529][ T4106] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.756201][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.758450][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.760449][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.762749][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.765773][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.768117][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.773015][ T4106] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.774783][ T4106] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.777180][ T4106] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.778913][ T4106] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.814646][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.816623][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.820205][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.833274][ T1695] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.836474][ T1695] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.863794][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.062661][ T4158] [ 63.063254][ T4158] ====================================================== [ 63.064763][ T4158] WARNING: possible circular locking dependency detected [ 63.066261][ T4158] 5.15.173-syzkaller #0 Not tainted [ 63.067393][ T4158] ------------------------------------------------------ [ 63.068813][ T4158] syz.0.16/4158 is trying to acquire lock: [ 63.070007][ T4158] ffff0000d5138c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 63.072319][ T4158] [ 63.072319][ T4158] but task is already holding lock: [ 63.073830][ T4158] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 63.075770][ T4158] [ 63.075770][ T4158] which lock already depends on the new lock. [ 63.075770][ T4158] [ 63.077806][ T4158] [ 63.077806][ T4158] the existing dependency chain (in reverse order) is: [ 63.079614][ T4158] [ 63.079614][ T4158] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 63.081467][ T4158] __mutex_lock_common+0x194/0x2154 [ 63.082653][ T4158] mutex_lock_nested+0xa4/0xf8 [ 63.083704][ T4158] rfkill_register+0x44/0x7a4 [ 63.084783][ T4158] hci_register_dev+0x3e0/0x880 [ 63.085991][ T4158] vhci_create_device+0x2c4/0x568 [ 63.087142][ T4158] vhci_write+0x318/0x3b8 [ 63.088163][ T4158] vfs_write+0x884/0xb44 [ 63.089160][ T4158] ksys_write+0x15c/0x26c [ 63.090205][ T4158] __arm64_sys_write+0x7c/0x90 [ 63.091387][ T4158] invoke_syscall+0x98/0x2b8 [ 63.092654][ T4158] el0_svc_common+0x138/0x258 [ 63.093718][ T4158] do_el0_svc+0x58/0x14c [ 63.094622][ T4158] el0_svc+0x7c/0x1f0 [ 63.095481][ T4158] el0t_64_sync_handler+0x84/0xe4 [ 63.096691][ T4158] el0t_64_sync+0x1a0/0x1a4 [ 63.097667][ T4158] [ 63.097667][ T4158] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 63.099263][ T4158] __mutex_lock_common+0x194/0x2154 [ 63.100357][ T4158] mutex_lock_nested+0xa4/0xf8 [ 63.101410][ T4158] vhci_send_frame+0x8c/0x10c [ 63.102523][ T4158] hci_send_frame+0x194/0x2f0 [ 63.103645][ T4158] hci_tx_work+0x9ac/0x16cc [ 63.104674][ T4158] process_one_work+0x790/0x11b8 [ 63.105843][ T4158] worker_thread+0x910/0x1034 [ 63.106957][ T4158] kthread+0x37c/0x45c [ 63.107911][ T4158] ret_from_fork+0x10/0x20 [ 63.108882][ T4158] [ 63.108882][ T4158] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 63.110890][ T4158] __flush_work+0xf8/0x1c0 [ 63.112014][ T4158] flush_work+0x24/0x38 [ 63.113004][ T4158] hci_dev_do_close+0x16c/0x1060 [ 63.114102][ T4158] hci_unregister_dev+0x248/0x4d4 [ 63.115199][ T4158] vhci_release+0x74/0xc4 [ 63.116195][ T4158] __fput+0x1c4/0x800 [ 63.117153][ T4158] ____fput+0x20/0x30 [ 63.118103][ T4158] task_work_run+0x130/0x1e4 [ 63.119140][ T4158] do_exit+0x670/0x20bc [ 63.120092][ T4158] do_group_exit+0x110/0x268 [ 63.121105][ T4158] get_signal+0x634/0x1550 [ 63.122129][ T4158] do_notify_resume+0x3d0/0x32b8 [ 63.123213][ T4158] el0_svc+0xfc/0x1f0 [ 63.124182][ T4158] el0t_64_sync_handler+0x84/0xe4 [ 63.125256][ T4158] el0t_64_sync+0x1a0/0x1a4 [ 63.126330][ T4158] [ 63.126330][ T4158] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 63.127903][ T4158] __mutex_lock_common+0x194/0x2154 [ 63.129025][ T4158] mutex_lock_nested+0xa4/0xf8 [ 63.130120][ T4158] bg_scan_update+0x9c/0x470 [ 63.131070][ T4158] process_one_work+0x790/0x11b8 [ 63.132236][ T4158] worker_thread+0x910/0x1034 [ 63.133377][ T4158] kthread+0x37c/0x45c [ 63.134414][ T4158] ret_from_fork+0x10/0x20 [ 63.135521][ T4158] [ 63.135521][ T4158] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 63.137530][ T4158] __lock_acquire+0x32d4/0x7638 [ 63.138652][ T4158] lock_acquire+0x240/0x77c [ 63.139731][ T4158] __flush_work+0xf8/0x1c0 [ 63.140845][ T4158] __cancel_work_timer+0x3ec/0x548 [ 63.142154][ T4158] cancel_work_sync+0x24/0x38 [ 63.143284][ T4158] hci_request_cancel_all+0xcc/0x2d0 [ 63.144517][ T4158] hci_dev_do_close+0x54/0x1060 [ 63.145642][ T4158] hci_rfkill_set_block+0xdc/0x1d0 [ 63.146791][ T4158] rfkill_set_block+0x18c/0x37c [ 63.147985][ T4158] rfkill_fop_write+0x594/0x750 [ 63.149027][ T4158] vfs_write+0x280/0xb44 [ 63.149971][ T4158] ksys_write+0x15c/0x26c [ 63.150985][ T4158] __arm64_sys_write+0x7c/0x90 [ 63.152191][ T4158] invoke_syscall+0x98/0x2b8 [ 63.153270][ T4158] el0_svc_common+0x138/0x258 [ 63.154452][ T4158] do_el0_svc+0x58/0x14c [ 63.155450][ T4158] el0_svc+0x7c/0x1f0 [ 63.156428][ T4158] el0t_64_sync_handler+0x84/0xe4 [ 63.157544][ T4158] el0t_64_sync+0x1a0/0x1a4 [ 63.158616][ T4158] [ 63.158616][ T4158] other info that might help us debug this: [ 63.158616][ T4158] [ 63.160884][ T4158] Chain exists of: [ 63.160884][ T4158] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 63.160884][ T4158] [ 63.164085][ T4158] Possible unsafe locking scenario: [ 63.164085][ T4158] [ 63.165595][ T4158] CPU0 CPU1 [ 63.166821][ T4158] ---- ---- [ 63.167907][ T4158] lock(rfkill_global_mutex); [ 63.168962][ T4158] lock(&data->open_mutex); [ 63.170484][ T4158] lock(rfkill_global_mutex); [ 63.171998][ T4158] lock((work_completion)(&hdev->bg_scan_update)); [ 63.173346][ T4158] [ 63.173346][ T4158] *** DEADLOCK *** [ 63.173346][ T4158] [ 63.175053][ T4158] 1 lock held by syz.0.16/4158: [ 63.176039][ T4158] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 63.178077][ T4158] [ 63.178077][ T4158] stack backtrace: [ 63.179364][ T4158] CPU: 1 PID: 4158 Comm: syz.0.16 Not tainted 5.15.173-syzkaller #0 [ 63.181056][ T4158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.183058][ T4158] Call trace: [ 63.183708][ T4158] dump_backtrace+0x0/0x530 [ 63.184666][ T4158] show_stack+0x2c/0x3c [ 63.185556][ T4158] dump_stack_lvl+0x108/0x170 [ 63.186547][ T4158] dump_stack+0x1c/0x58 [ 63.187446][ T4158] print_circular_bug+0x150/0x1b8 [ 63.188554][ T4158] check_noncircular+0x2cc/0x378 [ 63.189582][ T4158] __lock_acquire+0x32d4/0x7638 [ 63.190601][ T4158] lock_acquire+0x240/0x77c [ 63.191502][ T4158] __flush_work+0xf8/0x1c0 [ 63.192397][ T4158] __cancel_work_timer+0x3ec/0x548 [ 63.193520][ T4158] cancel_work_sync+0x24/0x38 [ 63.194538][ T4158] hci_request_cancel_all+0xcc/0x2d0 [ 63.195671][ T4158] hci_dev_do_close+0x54/0x1060 [ 63.196585][ T4158] hci_rfkill_set_block+0xdc/0x1d0 [ 63.197620][ T4158] rfkill_set_block+0x18c/0x37c [ 63.198665][ T4158] rfkill_fop_write+0x594/0x750 [ 63.199666][ T4158] vfs_write+0x280/0xb44 [ 63.200510][ T4158] ksys_write+0x15c/0x26c [ 63.201473][ T4158] __arm64_sys_write+0x7c/0x90 [ 63.202467][ T4158] invoke_syscall+0x98/0x2b8 [ 63.203439][ T4158] el0_svc_common+0x138/0x258 [ 63.204376][ T4158] do_el0_svc+0x58/0x14c [ 63.205280][ T4158] el0_svc+0x7c/0x1f0 [ 63.206124][ T4158] el0t_64_sync_handler+0x84/0xe4 [ 63.207137][ T4158] el0t_64_sync+0x1a0/0x1a4