Warning: Permanently added '10.128.1.128' (ED25519) to the list of known hosts. 1970/01/01 00:00:42 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:44 parsed 1 programs [ 46.784399][ T4033] cgroup: Unknown subsys name 'net' [ 47.047133][ T4033] cgroup: Unknown subsys name 'rlimit' [ 47.405564][ T4033] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.005692][ T4091] chnl_net:caif_netlink_parms(): no params data found [ 56.046716][ T4091] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.048851][ T4091] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.051640][ T4091] device bridge_slave_0 entered promiscuous mode [ 56.056143][ T4091] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.058187][ T4091] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.061059][ T4091] device bridge_slave_1 entered promiscuous mode [ 56.078870][ T4091] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.083739][ T4091] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.108710][ T4091] team0: Port device team_slave_0 added [ 56.112464][ T4091] team0: Port device team_slave_1 added [ 56.128079][ T4091] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.130413][ T4091] 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. [ 56.137502][ T4091] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.142653][ T4091] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.144620][ T4091] 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. [ 56.152063][ T4091] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.234146][ T4091] device hsr_slave_0 entered promiscuous mode [ 56.271906][ T4091] device hsr_slave_1 entered promiscuous mode [ 56.402325][ T4091] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.453514][ T4091] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.502865][ T4091] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.542350][ T4091] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.604051][ T4091] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.606317][ T4091] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.608907][ T4091] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.611058][ T4091] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.654831][ T4091] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.667960][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.672693][ T312] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.675711][ T312] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.685454][ T4091] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.693200][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.696315][ T312] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.698405][ T312] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.709012][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.714335][ T312] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.716389][ T312] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.725459][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.728502][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.744396][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.747880][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.752619][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.755592][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.763901][ T4091] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.766826][ T4091] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.772351][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.775457][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.778223][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.782222][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.785005][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.787859][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.858703][ T1787] ODEBUG: Out of memory. ODEBUG disabled [ 56.869629][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.872286][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.879389][ T4091] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.891896][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.894938][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.907603][ T4091] device veth0_vlan entered promiscuous mode [ 56.910216][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.913134][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.916178][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.918936][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.927645][ T4091] device veth1_vlan entered promiscuous mode [ 56.941398][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.944224][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.946863][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.949683][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.957715][ T4091] device veth0_macvtap entered promiscuous mode [ 56.962732][ T4091] device veth1_macvtap entered promiscuous mode [ 56.972670][ T4091] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.974982][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.977744][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 56.986830][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.989725][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.995048][ T4091] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.997222][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.000332][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.005257][ T4091] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.007590][ T4091] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.009823][ T4091] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.013385][ T4091] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.381473][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.383710][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.386509][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.404427][ T312] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.406766][ T312] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.409309][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:57 executed programs: 0 [ 57.835376][ T4133] chnl_net:caif_netlink_parms(): no params data found [ 57.867116][ T4133] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.869303][ T4133] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.874796][ T4133] device bridge_slave_0 entered promiscuous mode [ 57.878523][ T4133] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.881510][ T4133] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.884167][ T4133] device bridge_slave_1 entered promiscuous mode [ 57.902083][ T4133] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.906622][ T4133] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.921725][ T4133] team0: Port device team_slave_0 added [ 57.924860][ T4133] team0: Port device team_slave_1 added [ 57.937198][ T4133] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.939079][ T4133] 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. [ 57.946341][ T4133] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.950774][ T4133] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.952645][ T4133] 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. [ 57.959585][ T4133] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.022347][ T4133] device hsr_slave_0 entered promiscuous mode [ 58.070512][ T4133] device hsr_slave_1 entered promiscuous mode [ 58.110205][ T4133] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.112907][ T4133] Cannot create hsr debugfs directory [ 58.196671][ T4133] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.800632][ T4108] Bluetooth: hci0: command 0x0409 tx timeout [ 60.626656][ T4133] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.880436][ T4108] Bluetooth: hci0: command 0x041b tx timeout [ 62.474534][ T4133] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.528800][ T4133] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.745701][ T4133] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.792035][ T4133] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.822305][ T4133] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.862852][ T4133] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.953929][ T4133] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.961563][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.964330][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.968978][ T4133] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.980495][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.983406][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.986184][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.988191][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.991022][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.994074][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.996681][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.998669][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.002038][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.006848][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.009746][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.017940][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.023124][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.025915][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.033928][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.038227][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.044020][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.046836][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.051849][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.054576][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.058928][ T4133] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.385766][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.388036][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.394381][ T4133] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.405953][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.408766][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.421887][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.426024][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.431357][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.433730][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.436550][ T4133] device veth0_vlan entered promiscuous mode [ 63.443550][ T4133] device veth1_vlan entered promiscuous mode [ 63.458092][ T4133] device veth0_macvtap entered promiscuous mode [ 63.462514][ T4133] device veth1_macvtap entered promiscuous mode [ 63.469009][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.472686][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.475780][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.479128][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.482490][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.485911][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.493379][ T4133] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.496550][ T4133] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.501002][ T4133] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.503228][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.506204][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.512790][ T4133] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.515633][ T4133] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.519108][ T4133] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.522166][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.524962][ T312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.529813][ T4133] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.532571][ T4133] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.534982][ T4133] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.537317][ T4133] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.579264][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.586923][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.615535][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.620790][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.623037][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.625549][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.809182][ T4153] [ 63.809948][ T4153] ====================================================== [ 63.811956][ T4153] WARNING: possible circular locking dependency detected [ 63.813919][ T4153] 5.15.186-syzkaller #0 Not tainted [ 63.815374][ T4153] ------------------------------------------------------ [ 63.817323][ T4153] syz.0.16/4153 is trying to acquire lock: [ 63.818894][ T4153] ffff0000dbdacc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 63.821934][ T4153] [ 63.821934][ T4153] but task is already holding lock: [ 63.823954][ T4153] ffff800016509cc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.826616][ T4153] [ 63.826616][ T4153] which lock already depends on the new lock. [ 63.826616][ T4153] [ 63.829532][ T4153] [ 63.829532][ T4153] the existing dependency chain (in reverse order) is: [ 63.831942][ T4153] [ 63.831942][ T4153] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 63.834149][ T4153] __mutex_lock_common+0x194/0x1edc [ 63.835736][ T4153] mutex_lock_nested+0xac/0x11c [ 63.837194][ T4153] rfkill_register+0x44/0x77c [ 63.838577][ T4153] hci_register_dev+0x3d8/0x854 [ 63.839985][ T4153] vhci_create_device+0x2bc/0x564 [ 63.841502][ T4153] vhci_write+0x30c/0x3ac [ 63.842824][ T4153] vfs_write+0x7c8/0xa2c [ 63.844133][ T4153] ksys_write+0x120/0x210 [ 63.845400][ T4153] __arm64_sys_write+0x7c/0x90 [ 63.846849][ T4153] invoke_syscall+0x98/0x2b8 [ 63.848242][ T4153] el0_svc_common+0x138/0x258 [ 63.849810][ T4153] do_el0_svc+0x58/0x14c [ 63.851095][ T4153] el0_svc+0x78/0x1e0 [ 63.852339][ T4153] el0t_64_sync_handler+0xcc/0xe4 [ 63.853885][ T4153] el0t_64_sync+0x1a0/0x1a4 [ 63.855262][ T4153] [ 63.855262][ T4153] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 63.857498][ T4153] __mutex_lock_common+0x194/0x1edc [ 63.859063][ T4153] mutex_lock_nested+0xac/0x11c [ 63.860585][ T4153] vhci_send_frame+0x88/0x118 [ 63.862064][ T4153] hci_send_frame+0x194/0x2f0 [ 63.863537][ T4153] hci_tx_work+0x7e4/0x1394 [ 63.864889][ T4153] process_one_work+0x79c/0x1140 [ 63.866385][ T4153] worker_thread+0x8f4/0x101c [ 63.867846][ T4153] kthread+0x374/0x454 [ 63.869071][ T4153] ret_from_fork+0x10/0x20 [ 63.870467][ T4153] [ 63.870467][ T4153] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 63.873052][ T4153] __flush_work+0xf4/0x1bc [ 63.874499][ T4153] flush_work+0x24/0x38 [ 63.875894][ T4153] hci_dev_do_close+0x164/0x105c [ 63.877516][ T4153] hci_unregister_dev+0x23c/0x4c0 [ 63.878996][ T4153] vhci_release+0x74/0xc4 [ 63.880342][ T4153] __fput+0x1c0/0x7f8 [ 63.881639][ T4153] ____fput+0x20/0x30 [ 63.882888][ T4153] task_work_run+0x12c/0x1e0 [ 63.884330][ T4153] do_exit+0x684/0x1f58 [ 63.885603][ T4153] do_group_exit+0x100/0x268 [ 63.886988][ T4153] get_signal+0x73c/0x1340 [ 63.888458][ T4153] do_notify_resume+0x35c/0x3128 [ 63.890038][ T4153] el0_svc+0xf0/0x1e0 [ 63.891325][ T4153] el0t_64_sync_handler+0xcc/0xe4 [ 63.892944][ T4153] el0t_64_sync+0x1a0/0x1a4 [ 63.894388][ T4153] [ 63.894388][ T4153] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 63.896626][ T4153] __mutex_lock_common+0x194/0x1edc [ 63.898285][ T4153] mutex_lock_nested+0xac/0x11c [ 63.899774][ T4153] bg_scan_update+0x48/0x3d0 [ 63.901184][ T4153] process_one_work+0x79c/0x1140 [ 63.902636][ T4153] worker_thread+0x8f4/0x101c [ 63.904036][ T4153] kthread+0x374/0x454 [ 63.905305][ T4153] ret_from_fork+0x10/0x20 [ 63.906749][ T4153] [ 63.906749][ T4153] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 63.909568][ T4153] __lock_acquire+0x2928/0x651c [ 63.911103][ T4153] lock_acquire+0x1f4/0x620 [ 63.912484][ T4153] __flush_work+0xf4/0x1bc [ 63.913867][ T4153] __cancel_work_timer+0x2ec/0x448 [ 63.915447][ T4153] cancel_work_sync+0x24/0x38 [ 63.916920][ T4153] hci_request_cancel_all+0xbc/0x2d0 [ 63.918514][ T4153] hci_dev_do_close+0x54/0x105c [ 63.920005][ T4153] hci_rfkill_set_block+0xdc/0x1d0 [ 63.921579][ T4153] rfkill_set_block+0x18c/0x374 [ 63.923024][ T4153] rfkill_fop_write+0x4a4/0x5cc [ 63.924544][ T4153] vfs_write+0x280/0xa2c [ 63.925850][ T4153] ksys_write+0x120/0x210 [ 63.927126][ T4153] __arm64_sys_write+0x7c/0x90 [ 63.928571][ T4153] invoke_syscall+0x98/0x2b8 [ 63.929903][ T4153] el0_svc_common+0x138/0x258 [ 63.931372][ T4153] do_el0_svc+0x58/0x14c [ 63.932649][ T4153] el0_svc+0x78/0x1e0 [ 63.933930][ T4153] el0t_64_sync_handler+0xcc/0xe4 [ 63.935512][ T4153] el0t_64_sync+0x1a0/0x1a4 [ 63.936871][ T4153] [ 63.936871][ T4153] other info that might help us debug this: [ 63.936871][ T4153] [ 63.939677][ T4153] Chain exists of: [ 63.939677][ T4153] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 63.939677][ T4153] [ 63.944018][ T4153] Possible unsafe locking scenario: [ 63.944018][ T4153] [ 63.946038][ T4153] CPU0 CPU1 [ 63.947567][ T4153] ---- ---- [ 63.949019][ T4153] lock(rfkill_global_mutex); [ 63.950417][ T4153] lock(&data->open_mutex); [ 63.952441][ T4153] lock(rfkill_global_mutex); [ 63.954520][ T4153] lock((work_completion)(&hdev->bg_scan_update)); [ 63.956382][ T4153] [ 63.956382][ T4153] *** DEADLOCK *** [ 63.956382][ T4153] [ 63.958600][ T4153] 1 lock held by syz.0.16/4153: [ 63.959916][ T4153] #0: ffff800016509cc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.960559][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 63.962770][ T4153] [ 63.962770][ T4153] stack backtrace: [ 63.962777][ T4153] CPU: 1 PID: 4153 Comm: syz.0.16 Not tainted 5.15.186-syzkaller #0 [ 63.968178][ T4153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 63.971021][ T4153] Call trace: [ 63.971956][ T4153] dump_backtrace+0x0/0x43c [ 63.973205][ T4153] show_stack+0x2c/0x3c [ 63.974360][ T4153] __dump_stack+0x30/0x40 [ 63.975600][ T4153] dump_stack_lvl+0xf8/0x160 [ 63.976975][ T4153] dump_stack+0x1c/0x5c [ 63.978122][ T4153] print_circular_bug+0x148/0x1b0 [ 63.979502][ T4153] check_noncircular+0x240/0x2d4 [ 63.980887][ T4153] __lock_acquire+0x2928/0x651c [ 63.982234][ T4153] lock_acquire+0x1f4/0x620 [ 63.983472][ T4153] __flush_work+0xf4/0x1bc [ 63.984685][ T4153] __cancel_work_timer+0x2ec/0x448 [ 63.986136][ T4153] cancel_work_sync+0x24/0x38 [ 63.987489][ T4153] hci_request_cancel_all+0xbc/0x2d0 [ 63.989083][ T4153] hci_dev_do_close+0x54/0x105c [ 63.990546][ T4153] hci_rfkill_set_block+0xdc/0x1d0 [ 63.992260][ T4153] rfkill_set_block+0x18c/0x374 [ 63.993571][ T4153] rfkill_fop_write+0x4a4/0x5cc [ 63.994984][ T4153] vfs_write+0x280/0xa2c [ 63.996304][ T4153] ksys_write+0x120/0x210 [ 63.997502][ T4153] __arm64_sys_write+0x7c/0x90 [ 63.998868][ T4153] invoke_syscall+0x98/0x2b8 [ 64.000154][ T4153] el0_svc_common+0x138/0x258 [ 64.001557][ T4153] do_el0_svc+0x58/0x14c [ 64.002709][ T4153] el0_svc+0x78/0x1e0 [ 64.003783][ T4153] el0t_64_sync_handler+0xcc/0xe4 [ 64.005153][ T4153] el0t_64_sync+0x1a0/0x1a4