Warning: Permanently added '10.128.0.157' (ED25519) to the list of known hosts. 1970/01/01 00:00:40 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:41 parsed 1 programs [ 43.744831][ T4022] cgroup: Unknown subsys name 'net' [ 44.042968][ T4022] cgroup: Unknown subsys name 'rlimit' [ 44.407556][ T4022] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 46.068526][ T4036] chnl_net:caif_netlink_parms(): no params data found [ 46.108872][ T4036] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.110357][ T4036] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.112588][ T4036] device bridge_slave_0 entered promiscuous mode [ 46.117654][ T4036] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.119313][ T4036] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.121456][ T4036] device bridge_slave_1 entered promiscuous mode [ 46.136282][ T4036] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.140011][ T4036] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.157423][ T4036] team0: Port device team_slave_0 added [ 46.166312][ T4036] team0: Port device team_slave_1 added [ 46.178953][ T4036] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.180393][ T4036] 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. [ 46.185426][ T4036] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.189452][ T4036] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.190878][ T4036] 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. [ 46.196173][ T4036] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.258842][ T4036] device hsr_slave_0 entered promiscuous mode [ 46.306888][ T4036] device hsr_slave_1 entered promiscuous mode [ 46.432350][ T4036] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.482427][ T4036] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.522994][ T4036] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.568616][ T4036] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.626899][ T4036] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.628535][ T4036] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.630521][ T4036] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.632157][ T4036] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.673538][ T4036] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.682395][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.686904][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.691464][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.694007][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.703902][ T4036] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.710313][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.712461][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.714013][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.720412][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.722733][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.724412][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.738999][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.741483][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.745995][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.752991][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.763188][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.767291][ T4036] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.835942][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.839376][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.850688][ T4036] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.863365][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.878335][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.880936][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.883169][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.919099][ T4036] device veth0_vlan entered promiscuous mode [ 46.925577][ T4036] device veth1_vlan entered promiscuous mode [ 46.940435][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.942840][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.945148][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.952281][ T4036] device veth0_macvtap entered promiscuous mode [ 46.956451][ T4036] device veth1_macvtap entered promiscuous mode [ 46.970322][ T4036] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.972137][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.974899][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.983029][ T4036] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.984933][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.991878][ T4036] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.993694][ T4036] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.995576][ T4036] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.999272][ T4036] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.378449][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.380258][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.382652][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 47.415019][ T531] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.416875][ T531] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.420149][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 48.372983][ T294] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:48 executed programs: 0 [ 49.022775][ T4101] chnl_net:caif_netlink_parms(): no params data found [ 49.056421][ T4101] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.058533][ T4101] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.060727][ T4101] device bridge_slave_0 entered promiscuous mode [ 49.064394][ T4101] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.066059][ T4101] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.068655][ T4101] device bridge_slave_1 entered promiscuous mode [ 49.083600][ T4101] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.087661][ T4101] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.103371][ T4101] team0: Port device team_slave_0 added [ 49.106301][ T4101] team0: Port device team_slave_1 added [ 49.118924][ T4101] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.120458][ T4101] 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. [ 49.125729][ T4101] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.129821][ T4101] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.131231][ T4101] 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. [ 49.136605][ T4101] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.208678][ T4101] device hsr_slave_0 entered promiscuous mode [ 49.246960][ T4101] device hsr_slave_1 entered promiscuous mode [ 49.296768][ T4101] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 49.298535][ T4101] Cannot create hsr debugfs directory [ 50.997485][ T4027] Bluetooth: hci0: command 0x0409 tx timeout [ 51.007410][ T294] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.322253][ T294] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.377214][ T294] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.066695][ T4027] Bluetooth: hci0: command 0x041b tx timeout [ 53.305947][ T4101] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.368557][ T4101] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.408515][ T4101] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.458504][ T4101] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.544827][ T4101] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.554952][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.557242][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.562138][ T4101] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.566475][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.569793][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.571837][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.573403][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.575456][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.626280][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.628773][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.630937][ T531] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.632549][ T531] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.634462][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.643336][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.648440][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.651169][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.653545][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.661001][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.663372][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.669492][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.671936][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.678383][ T4101] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.681168][ T4101] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.683377][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.685773][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.760445][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.762004][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.768287][ T4101] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.782036][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 53.784311][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.798120][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 53.800397][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.802777][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.805095][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.810624][ T4101] device veth0_vlan entered promiscuous mode [ 53.816899][ T4101] device veth1_vlan entered promiscuous mode [ 53.831856][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.834084][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.836170][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 53.839262][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.843461][ T4101] device veth0_macvtap entered promiscuous mode [ 53.848218][ T4101] device veth1_macvtap entered promiscuous mode [ 53.859019][ T4101] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 53.861177][ T4101] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 53.864186][ T4101] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.865895][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.869513][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 53.871778][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.874082][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.880699][ T4101] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 53.882726][ T4101] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 53.885626][ T4101] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.888611][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.891147][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.895276][ T4101] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.897872][ T4101] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.899831][ T4101] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.901612][ T4101] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.971144][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.972997][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.975828][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.994486][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.996405][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.000776][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 54.184004][ T4149] [ 54.184642][ T4149] ====================================================== [ 54.186214][ T4149] WARNING: possible circular locking dependency detected [ 54.187688][ T4149] 5.15.173-syzkaller #0 Not tainted [ 54.188811][ T4149] ------------------------------------------------------ [ 54.190410][ T4149] syz.0.15/4149 is trying to acquire lock: [ 54.191685][ T4149] ffff0000db924c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 54.194111][ T4149] [ 54.194111][ T4149] but task is already holding lock: [ 54.195722][ T4149] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 54.197851][ T4149] [ 54.197851][ T4149] which lock already depends on the new lock. [ 54.197851][ T4149] [ 54.200067][ T4149] [ 54.200067][ T4149] the existing dependency chain (in reverse order) is: [ 54.201867][ T4149] [ 54.201867][ T4149] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 54.203686][ T4149] __mutex_lock_common+0x194/0x2154 [ 54.204996][ T4149] mutex_lock_nested+0xa4/0xf8 [ 54.206492][ T4149] rfkill_register+0x44/0x7a4 [ 54.207648][ T4149] hci_register_dev+0x3e0/0x880 [ 54.208913][ T4149] vhci_create_device+0x2c4/0x568 [ 54.210174][ T4149] vhci_write+0x318/0x3b8 [ 54.211170][ T4149] vfs_write+0x884/0xb44 [ 54.212405][ T4149] ksys_write+0x15c/0x26c [ 54.213521][ T4149] __arm64_sys_write+0x7c/0x90 [ 54.214664][ T4149] invoke_syscall+0x98/0x2b8 [ 54.215822][ T4149] el0_svc_common+0x138/0x258 [ 54.216958][ T4149] do_el0_svc+0x58/0x14c [ 54.218016][ T4149] el0_svc+0x7c/0x1f0 [ 54.218928][ T4149] el0t_64_sync_handler+0x84/0xe4 [ 54.220101][ T4149] el0t_64_sync+0x1a0/0x1a4 [ 54.221158][ T4149] [ 54.221158][ T4149] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 54.222839][ T4149] __mutex_lock_common+0x194/0x2154 [ 54.224071][ T4149] mutex_lock_nested+0xa4/0xf8 [ 54.225246][ T4149] vhci_send_frame+0x8c/0x10c [ 54.226377][ T4149] hci_send_frame+0x194/0x2f0 [ 54.227449][ T4149] hci_tx_work+0x9ac/0x16cc [ 54.228505][ T4149] process_one_work+0x790/0x11b8 [ 54.229590][ T4149] worker_thread+0x910/0x1034 [ 54.230669][ T4149] kthread+0x37c/0x45c [ 54.231668][ T4149] ret_from_fork+0x10/0x20 [ 54.232727][ T4149] [ 54.232727][ T4149] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 54.234669][ T4149] __flush_work+0xf8/0x1c0 [ 54.235781][ T4149] flush_work+0x24/0x38 [ 54.236806][ T4149] hci_dev_do_close+0x16c/0x1060 [ 54.238195][ T4149] hci_unregister_dev+0x248/0x4d4 [ 54.239395][ T4149] vhci_release+0x74/0xc4 [ 54.240437][ T4149] __fput+0x1c4/0x800 [ 54.241634][ T4149] ____fput+0x20/0x30 [ 54.242585][ T4149] task_work_run+0x130/0x1e4 [ 54.243657][ T4149] do_exit+0x670/0x20bc [ 54.244552][ T4149] do_group_exit+0x110/0x268 [ 54.245600][ T4149] get_signal+0x634/0x1550 [ 54.246633][ T4149] do_notify_resume+0x3d0/0x32b8 [ 54.247776][ T4149] el0_svc+0xfc/0x1f0 [ 54.248699][ T4149] el0t_64_sync_handler+0x84/0xe4 [ 54.249838][ T4149] el0t_64_sync+0x1a0/0x1a4 [ 54.250879][ T4149] [ 54.250879][ T4149] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 54.252590][ T4149] __mutex_lock_common+0x194/0x2154 [ 54.253818][ T4149] mutex_lock_nested+0xa4/0xf8 [ 54.254927][ T4149] bg_scan_update+0x9c/0x470 [ 54.256063][ T4149] process_one_work+0x790/0x11b8 [ 54.257240][ T4149] worker_thread+0x910/0x1034 [ 54.258349][ T4149] kthread+0x37c/0x45c [ 54.259325][ T4149] ret_from_fork+0x10/0x20 [ 54.260350][ T4149] [ 54.260350][ T4149] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 54.262393][ T4149] __lock_acquire+0x32d4/0x7638 [ 54.263597][ T4149] lock_acquire+0x240/0x77c [ 54.264633][ T4149] __flush_work+0xf8/0x1c0 [ 54.265735][ T4149] __cancel_work_timer+0x3ec/0x548 [ 54.266959][ T4149] cancel_work_sync+0x24/0x38 [ 54.267980][ T4149] hci_request_cancel_all+0xcc/0x2d0 [ 54.269290][ T4149] hci_dev_do_close+0x54/0x1060 [ 54.270496][ T4149] hci_rfkill_set_block+0xdc/0x1d0 [ 54.271656][ T4149] rfkill_set_block+0x18c/0x37c [ 54.272777][ T4149] rfkill_fop_write+0x594/0x750 [ 54.273989][ T4149] vfs_write+0x280/0xb44 [ 54.274993][ T4149] ksys_write+0x15c/0x26c [ 54.276023][ T4149] __arm64_sys_write+0x7c/0x90 [ 54.277136][ T4149] invoke_syscall+0x98/0x2b8 [ 54.278191][ T4149] el0_svc_common+0x138/0x258 [ 54.279310][ T4149] do_el0_svc+0x58/0x14c [ 54.280321][ T4149] el0_svc+0x7c/0x1f0 [ 54.281243][ T4149] el0t_64_sync_handler+0x84/0xe4 [ 54.282393][ T4149] el0t_64_sync+0x1a0/0x1a4 [ 54.283529][ T4149] [ 54.283529][ T4149] other info that might help us debug this: [ 54.283529][ T4149] [ 54.285755][ T4149] Chain exists of: [ 54.285755][ T4149] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 54.285755][ T4149] [ 54.289063][ T4149] Possible unsafe locking scenario: [ 54.289063][ T4149] [ 54.290623][ T4149] CPU0 CPU1 [ 54.291766][ T4149] ---- ---- [ 54.292789][ T4149] lock(rfkill_global_mutex); [ 54.293759][ T4149] lock(&data->open_mutex); [ 54.295232][ T4149] lock(rfkill_global_mutex); [ 54.296730][ T4149] lock((work_completion)(&hdev->bg_scan_update)); [ 54.298054][ T4149] [ 54.298054][ T4149] *** DEADLOCK *** [ 54.298054][ T4149] [ 54.299677][ T4149] 1 lock held by syz.0.15/4149: [ 54.300768][ T4149] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 54.302907][ T4149] [ 54.302907][ T4149] stack backtrace: [ 54.304086][ T4149] CPU: 1 PID: 4149 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 54.305696][ T4149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.307759][ T4149] Call trace: [ 54.308434][ T4149] dump_backtrace+0x0/0x530 [ 54.309313][ T4149] show_stack+0x2c/0x3c [ 54.310200][ T4149] dump_stack_lvl+0x108/0x170 [ 54.311128][ T4149] dump_stack+0x1c/0x58 [ 54.311993][ T4149] print_circular_bug+0x150/0x1b8 [ 54.313098][ T4149] check_noncircular+0x2cc/0x378 [ 54.314264][ T4149] __lock_acquire+0x32d4/0x7638 [ 54.315400][ T4149] lock_acquire+0x240/0x77c [ 54.316329][ T4149] __flush_work+0xf8/0x1c0 [ 54.317259][ T4149] __cancel_work_timer+0x3ec/0x548 [ 54.318253][ T4149] cancel_work_sync+0x24/0x38 [ 54.319167][ T4149] hci_request_cancel_all+0xcc/0x2d0 [ 54.320300][ T4149] hci_dev_do_close+0x54/0x1060 [ 54.321183][ T4149] hci_rfkill_set_block+0xdc/0x1d0 [ 54.322294][ T4149] rfkill_set_block+0x18c/0x37c [ 54.323301][ T4149] rfkill_fop_write+0x594/0x750 [ 54.324319][ T4149] vfs_write+0x280/0xb44 [ 54.325233][ T4149] ksys_write+0x15c/0x26c [ 54.326076][ T4149] __arm64_sys_write+0x7c/0x90 [ 54.327054][ T4149] invoke_syscall+0x98/0x2b8 [ 54.328035][ T4149] el0_svc_common+0x138/0x258 [ 54.329012][ T4149] do_el0_svc+0x58/0x14c [ 54.329886][ T4149] el0_svc+0x7c/0x1f0 [ 54.330674][ T4149] el0t_64_sync_handler+0x84/0xe4 [ 54.331689][ T4149] el0t_64_sync+0x1a0/0x1a4