Warning: Permanently added '10.128.0.166' (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 [ 44.155716][ T4030] cgroup: Unknown subsys name 'net' [ 44.402719][ T4030] cgroup: Unknown subsys name 'rlimit' [ 44.723684][ T4030] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 53.380180][ T4067] chnl_net:caif_netlink_parms(): no params data found [ 53.417518][ T4067] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.419559][ T4067] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.422081][ T4067] device bridge_slave_0 entered promiscuous mode [ 53.426285][ T4067] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.428470][ T4067] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.431167][ T4067] device bridge_slave_1 entered promiscuous mode [ 53.445508][ T4067] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.449931][ T4067] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.464691][ T4067] team0: Port device team_slave_0 added [ 53.468186][ T4067] team0: Port device team_slave_1 added [ 53.480476][ T4067] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.482391][ T4067] 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. [ 53.489441][ T4067] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.493788][ T4067] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.495665][ T4067] 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. [ 53.503065][ T4067] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.589187][ T4067] device hsr_slave_0 entered promiscuous mode [ 53.627380][ T4067] device hsr_slave_1 entered promiscuous mode [ 53.739917][ T4067] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.769041][ T4067] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.830988][ T4067] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.907992][ T4067] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.963321][ T4067] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.965508][ T4067] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.967910][ T4067] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.969808][ T4067] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.008970][ T4067] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.016180][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.022762][ T358] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.026043][ T358] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.031114][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.038478][ T4067] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.043821][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.046623][ T358] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.048587][ T358] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.060965][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.063515][ T358] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.065464][ T358] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.078517][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.081716][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.092968][ T4067] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.095852][ T4067] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.100724][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.103377][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.106661][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.114057][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.187443][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.189615][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.195440][ T4067] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.209945][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.224015][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.226731][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.230737][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.235521][ T4067] device veth0_vlan entered promiscuous mode [ 54.244150][ T4067] device veth1_vlan entered promiscuous mode [ 54.260935][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.263538][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.266435][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.272915][ T4067] device veth0_macvtap entered promiscuous mode [ 54.279786][ T4067] device veth1_macvtap entered promiscuous mode [ 54.291986][ T4067] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.294248][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.299661][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.306360][ T4067] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.309141][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.314370][ T4067] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.316788][ T4067] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.321068][ T4067] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.323400][ T4067] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.952102][ T358] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.954305][ T358] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.957256][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.983657][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.985944][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.989679][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 55.308664][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.332401][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.711977][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.754144][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:00 executed programs: 0 [ 60.625164][ T4160] chnl_net:caif_netlink_parms(): no params data found [ 60.716954][ T4160] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.720659][ T4160] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.723303][ T4160] device bridge_slave_0 entered promiscuous mode [ 60.735397][ T4160] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.737761][ T4160] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.740217][ T4160] device bridge_slave_1 entered promiscuous mode [ 60.770798][ T4160] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.775356][ T4160] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.809372][ T4160] team0: Port device team_slave_0 added [ 60.812429][ T4160] team0: Port device team_slave_1 added [ 60.844763][ T4160] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.846606][ T4160] 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. [ 60.865323][ T4160] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.870222][ T4160] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.872137][ T4160] 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. [ 60.882033][ T4160] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.959003][ T4160] device hsr_slave_0 entered promiscuous mode [ 60.997339][ T4160] device hsr_slave_1 entered promiscuous mode [ 61.037057][ T4160] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.039411][ T4160] Cannot create hsr debugfs directory [ 61.652255][ T4160] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.679321][ T4160] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.739326][ T4160] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.779218][ T4160] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.904976][ T4160] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.912196][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.915353][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.950761][ T4160] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.957219][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.959860][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.962276][ T605] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.964125][ T605] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.966561][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.971839][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.974932][ T605] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.976999][ T605] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.988167][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.991232][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.994158][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.997572][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.001043][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.003802][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.023936][ T4160] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.026694][ T4160] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.031357][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.037591][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.041239][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.044056][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.047079][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.049788][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.052314][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.143021][ T4160] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.148306][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.150393][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.160096][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.162825][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.177565][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.180380][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.183497][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.186698][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.192526][ T4160] device veth0_vlan entered promiscuous mode [ 62.199125][ T4160] device veth1_vlan entered promiscuous mode [ 62.213463][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.216056][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.219166][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.222309][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.227766][ T4160] device veth0_macvtap entered promiscuous mode [ 62.232457][ T4160] device veth1_macvtap entered promiscuous mode [ 62.241870][ T4160] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.244803][ T4160] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.249521][ T4160] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.251538][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.254000][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.256612][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.261253][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.265860][ T4160] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.269474][ T4160] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.273187][ T4160] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.275846][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.281305][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.289203][ T4160] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.291688][ T4160] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.294091][ T4160] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.296650][ T4160] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.342111][ T358] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.344323][ T358] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.347201][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.365508][ T358] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.370555][ T358] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.373582][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.529958][ T4137] Bluetooth: hci0: command 0x0409 tx timeout [ 62.564294][ T4261] [ 62.565000][ T4261] ====================================================== [ 62.566929][ T4261] WARNING: possible circular locking dependency detected [ 62.568861][ T4261] 5.15.185-syzkaller #0 Not tainted [ 62.570282][ T4261] ------------------------------------------------------ [ 62.572353][ T4261] syz.0.16/4261 is trying to acquire lock: [ 62.573911][ T4261] ffff0000d4d34c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 62.576922][ T4261] [ 62.576922][ T4261] but task is already holding lock: [ 62.578972][ T4261] ffff800016507d48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 62.581648][ T4261] [ 62.581648][ T4261] which lock already depends on the new lock. [ 62.581648][ T4261] [ 62.584499][ T4261] [ 62.584499][ T4261] the existing dependency chain (in reverse order) is: [ 62.586932][ T4261] [ 62.586932][ T4261] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 62.589144][ T4261] __mutex_lock_common+0x194/0x1edc [ 62.590692][ T4261] mutex_lock_nested+0xac/0x11c [ 62.592170][ T4261] rfkill_register+0x44/0x77c [ 62.593566][ T4261] hci_register_dev+0x3d8/0x854 [ 62.595019][ T4261] vhci_create_device+0x2bc/0x564 [ 62.596511][ T4261] vhci_write+0x30c/0x3ac [ 62.597813][ T4261] vfs_write+0x7c8/0xa2c [ 62.599094][ T4261] ksys_write+0x120/0x210 [ 62.600391][ T4261] __arm64_sys_write+0x7c/0x90 [ 62.601831][ T4261] invoke_syscall+0x98/0x2b8 [ 62.603219][ T4261] el0_svc_common+0x138/0x258 [ 62.604686][ T4261] do_el0_svc+0x58/0x14c [ 62.606045][ T4261] el0_svc+0x78/0x1e0 [ 62.607349][ T4261] el0t_64_sync_handler+0xcc/0xe4 [ 62.608969][ T4261] el0t_64_sync+0x1a0/0x1a4 [ 62.610428][ T4261] [ 62.610428][ T4261] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 62.612683][ T4261] __mutex_lock_common+0x194/0x1edc [ 62.614412][ T4261] mutex_lock_nested+0xac/0x11c [ 62.616038][ T4261] vhci_send_frame+0x88/0x118 [ 62.617509][ T4261] hci_send_frame+0x194/0x2f0 [ 62.618991][ T4261] hci_tx_work+0x7e4/0x1394 [ 62.620413][ T4261] process_one_work+0x79c/0x1140 [ 62.621995][ T4261] worker_thread+0x8f4/0x101c [ 62.623498][ T4261] kthread+0x374/0x454 [ 62.624827][ T4261] ret_from_fork+0x10/0x20 [ 62.626276][ T4261] [ 62.626276][ T4261] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 62.628934][ T4261] __flush_work+0xf4/0x1bc [ 62.630368][ T4261] flush_work+0x24/0x38 [ 62.631706][ T4261] hci_dev_do_close+0x164/0x105c [ 62.633254][ T4261] hci_unregister_dev+0x23c/0x4c0 [ 62.634823][ T4261] vhci_release+0x74/0xc4 [ 62.636217][ T4261] __fput+0x1c0/0x7f8 [ 62.637514][ T4261] ____fput+0x20/0x30 [ 62.638881][ T4261] task_work_run+0x12c/0x1e0 [ 62.640392][ T4261] do_exit+0x67c/0x1f58 [ 62.641692][ T4261] do_group_exit+0x100/0x268 [ 62.643140][ T4261] get_signal+0x73c/0x1340 [ 62.644575][ T4261] do_notify_resume+0x35c/0x3128 [ 62.646123][ T4261] el0_svc+0xf0/0x1e0 [ 62.647419][ T4261] el0t_64_sync_handler+0xcc/0xe4 [ 62.649087][ T4261] el0t_64_sync+0x1a0/0x1a4 [ 62.650491][ T4261] [ 62.650491][ T4261] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 62.652606][ T4261] __mutex_lock_common+0x194/0x1edc [ 62.654188][ T4261] mutex_lock_nested+0xac/0x11c [ 62.655760][ T4261] bg_scan_update+0x48/0x3d0 [ 62.657244][ T4261] process_one_work+0x79c/0x1140 [ 62.658829][ T4261] worker_thread+0x8f4/0x101c [ 62.660352][ T4261] kthread+0x374/0x454 [ 62.661648][ T4261] ret_from_fork+0x10/0x20 [ 62.663093][ T4261] [ 62.663093][ T4261] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 62.665972][ T4261] __lock_acquire+0x2928/0x651c [ 62.667553][ T4261] lock_acquire+0x1f4/0x620 [ 62.669088][ T4261] __flush_work+0xf4/0x1bc [ 62.670568][ T4261] __cancel_work_timer+0x2ec/0x448 [ 62.672346][ T4261] cancel_work_sync+0x24/0x38 [ 62.673870][ T4261] hci_request_cancel_all+0xbc/0x2d0 [ 62.675551][ T4261] hci_dev_do_close+0x54/0x105c [ 62.677155][ T4261] hci_rfkill_set_block+0xdc/0x1d0 [ 62.678691][ T4261] rfkill_set_block+0x18c/0x374 [ 62.680291][ T4261] rfkill_fop_write+0x4a4/0x5cc [ 62.681833][ T4261] vfs_write+0x280/0xa2c [ 62.683237][ T4261] ksys_write+0x120/0x210 [ 62.684712][ T4261] __arm64_sys_write+0x7c/0x90 [ 62.686257][ T4261] invoke_syscall+0x98/0x2b8 [ 62.687710][ T4261] el0_svc_common+0x138/0x258 [ 62.689195][ T4261] do_el0_svc+0x58/0x14c [ 62.690553][ T4261] el0_svc+0x78/0x1e0 [ 62.691833][ T4261] el0t_64_sync_handler+0xcc/0xe4 [ 62.693422][ T4261] el0t_64_sync+0x1a0/0x1a4 [ 62.694869][ T4261] [ 62.694869][ T4261] other info that might help us debug this: [ 62.694869][ T4261] [ 62.697668][ T4261] Chain exists of: [ 62.697668][ T4261] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 62.697668][ T4261] [ 62.702042][ T4261] Possible unsafe locking scenario: [ 62.702042][ T4261] [ 62.704093][ T4261] CPU0 CPU1 [ 62.705563][ T4261] ---- ---- [ 62.706991][ T4261] lock(rfkill_global_mutex); [ 62.708332][ T4261] lock(&data->open_mutex); [ 62.710281][ T4261] lock(rfkill_global_mutex); [ 62.712302][ T4261] lock((work_completion)(&hdev->bg_scan_update)); [ 62.714065][ T4261] [ 62.714065][ T4261] *** DEADLOCK *** [ 62.714065][ T4261] [ 62.716271][ T4261] 1 lock held by syz.0.16/4261: [ 62.717551][ T4261] #0: ffff800016507d48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 62.720322][ T4261] [ 62.720322][ T4261] stack backtrace: [ 62.721964][ T4261] CPU: 0 PID: 4261 Comm: syz.0.16 Not tainted 5.15.185-syzkaller #0 [ 62.724186][ T4261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 62.726989][ T4261] Call trace: [ 62.727925][ T4261] dump_backtrace+0x0/0x43c [ 62.729163][ T4261] show_stack+0x2c/0x3c [ 62.730304][ T4261] __dump_stack+0x30/0x40 [ 62.731489][ T4261] dump_stack_lvl+0xf8/0x160 [ 62.732759][ T4261] dump_stack+0x1c/0x5c [ 62.733879][ T4261] print_circular_bug+0x148/0x1b0 [ 62.735278][ T4261] check_noncircular+0x240/0x2d4 [ 62.736669][ T4261] __lock_acquire+0x2928/0x651c [ 62.738013][ T4261] lock_acquire+0x1f4/0x620 [ 62.739251][ T4261] __flush_work+0xf4/0x1bc [ 62.740416][ T4261] __cancel_work_timer+0x2ec/0x448 [ 62.741832][ T4261] cancel_work_sync+0x24/0x38 [ 62.743144][ T4261] hci_request_cancel_all+0xbc/0x2d0 [ 62.744610][ T4261] hci_dev_do_close+0x54/0x105c [ 62.745971][ T4261] hci_rfkill_set_block+0xdc/0x1d0 [ 62.747388][ T4261] rfkill_set_block+0x18c/0x374 [ 62.748684][ T4261] rfkill_fop_write+0x4a4/0x5cc [ 62.750056][ T4261] vfs_write+0x280/0xa2c [ 62.751187][ T4261] ksys_write+0x120/0x210 [ 62.752371][ T4261] __arm64_sys_write+0x7c/0x90 [ 62.753701][ T4261] invoke_syscall+0x98/0x2b8 [ 62.755035][ T4261] el0_svc_common+0x138/0x258 [ 62.756281][ T4261] do_el0_svc+0x58/0x14c [ 62.757480][ T4261] el0_svc+0x78/0x1e0 [ 62.758540][ T4261] el0t_64_sync_handler+0xcc/0xe4 [ 62.759975][ T4261] el0t_64_sync+0x1a0/0x1a4